leg site hole core section top interval depth(cm) top of core depth(cm) top of section(m) sample midpoint depth(m) describer rock name piece numbers texture data structure data alteration data other information data vesicle data phenocryst data groundmass mineral data replacement mineral data comments unknown code 52 418 A 15 1 20.0 320.00 320.20 320.64 SEDIMENT 52 418 A 15 1 20.0 320.00 320.20 320.64 PLAG-OL MODERATELY PHYRIC BASALT PCE 1A (20-43), 1B (43-49), 1C (50-57), 1D (58-61), 1E (62-64) MODERATELY PHYRIC, VERY FINE-GRAINED, GLASSY SELVAGES IN PCES 1C-E CARBONATE VEINS, SULFIDE VEINLETS, CALCITE VEIN ON TOP OF PCE 1A YOUNGER THAN BASALT MOD BASALT CONTACT AT 20CM comments : VESICLES WITH CALCITE AND SMEC, FILLED WITH SMEC IN PCES 1B-C, SMEC RIMS ON YOUNGER CARBONATE PLAG 3 TO 0.7 | OL comments : MICROPHENOS PYRITE comments : DISSEMINATED SMEC 52 418 A 15 1 65.0 320.00 320.65 321.30 PLAG-OL MODERATELY PHYRIC BASALT PCE 1F (65-72), 1G (73-77), 1H (78-83), 1I (91-102), 1J (102-116), 1K1 (117-121), 1K (122-124), 1L (125-130) MODERATELY PHYRIC, VERY FINE-GRAINED VEINLETS WITH CARBONATE + SMEC AND SULFIDE, CALCITE VEIN WITH SMEC IN PCE 1K EXTENSIVELY comments : VESICLES FILLED WITH CARBONATE AND SMEC PLAG <5 | OL comments : COMPLETELY ALTERED MICROPHENOS PYRITE comments : DISSEMINATED GRAINS | PLAG TO 0.8 SMEC 52 418 A 15 1 132.0 320.00 321.32 321.48 PLAG-OL MODERATELY PHYRIC BASALT PCE 2 (132-137), 3 (139-148) MODERATELY PHYRIC, VERY FINE-GRAINED, GLASSY SELVAGE ON BOTTOM OF PCE 3 BRECCIATED CARBONATE VEIN WITH SMEC ON TOP OF PCE 3 EXTENSIVELY PLAG comments : GLOMEROCRYSTS SMEC 52 418 A 15 2 0.0 320.00 321.50 321.60 SWANSON, D. PLAG-OL MODERATELY PHYRIC BASALT PCE 1 (3-10) MODERATELY PHYRIC, GLASSY SLIGHTLY LLOW MARGIN WITH GLASS 52 418 A 15 2 14.0 320.00 321.64 321.66 SWANSON, D. SEDIMENTLIMESTONE PCE 2 (14-16) IN CONTACT WITH GLASSY MARGIN 52 418 A 15 2 20.0 320.00 321.70 323.00 SWANSON, D. PLAG-OL MODERATELY PHYRIC BASALT PCE 3 (20-26), 4 (30-35), 5A (39-49), 5B (50-58), 5C (58-63), 6 (66-71), 7 (74-77), 8 (81-92), 9 (95-97), 10A (100-109), 10B (110-118), 10C (119-125), 11 (128-133), 12 (136-139), 13 (141-150) MODERATELY PHYRIC, FRESH GLASS IN PCES 8 AND 10 SMEC VEIN IN PCE 3, SMEC AND PYRITE VEINS IN PCES 6-7, CALCITE AND SMEC VEINS (2CM WIDE AT 56-63CM, PCE 8, 1CM WIDE IN PCE 10), CALCITE VEINS (TOP OF PCE 4, PCE 11-12, PCE 13 BELOW 144CM), PYRITE VEINS AND SEGREGATIONS MOD PCE 4, PCE 5A-B, PCE 8-10B | EXTENSIVELY PCE 3, PCE 5C-8, PCE 10C-12 PCE 9 CONTAINS CALCITE-CEMENTED BRECCIA IN SCIENTIFIC HALF AND FRESH BASALT IN ARCHIVE HALF, CALCITE-CEMENTED BRECCIA ABOVE 144CM IN PCE 13, BRECCIA CLASTS ARE BASALT AND MATRIX CONTAINS CALCITE, IRON OXIDE, GREEN SMEC, PYRITE, PRISMATIC XTLS OF ZEOLITE <1 <1 SMEC comments : ALSO FILLED WITH CALCITE, CALCITE FILLED VUG IN PCE 11 OL <1 <1 comments : ALTERED TO SMEC | PLAG 4-5 TO 2 comments : GLOMEROCRYSTS TO 6MM PLAG | CPX 0 SMEC | CALCITE comments : CALCITE PATCHES AT 45-50CM 52 418 A 15 3 0.0 320.00 323.00 324.47 RICOU, L. PLAG-PYX MODERATELY PHYRIC BASALTPILLOW BASALT PCE 1A1 (1-3), 1A (3-17), 1B (19-29), 2A (31-40), 2B (40-53), 2C (54-59), 2D (60-68), 2E (68-78), 2F (78-81), 3A (84-86), 3B (86-91), 4A (93-110), 4B (110-118), 4C (119-121), 4D (122-147) MODERATELY PHYRIC, GNDMASS FINE TO MEDIUM GRAINED QUENCH TEXTURE, GLASSY MARGINS ALTERED TO SMEC, HYALOCLASTIC BRECCIAS PCE 3B PILLOW BASALT MOD INTERPILLOW GENERALLY GLASS BRECCIA CEMENTED BY LARGE SPARRITIC CALCITE, LOCALLY INTERPILLOW IS A FINE YELLOW CEMENTED SILT IN PCE 3B comments : ABUNDANT, AMOEBOID FILLED WITH SMEC AND CALCITE AND QUARTZ, SOME ROUNDED WITH CALCITE OR SMEC, VUG 2X6CM AMOEBOID FILLED WITH QUARTZ COMBINE <10 comments : PLAG+PYX, GLOMEROCRYSTS UP TO 6MM, NUMBER OFPHENOS CHANGE FROM ONE PILLOW (PLAG 8%, PYX 2%)TO ANOTHER (PLAG 3%, PYX 7%) PYX TO 6 comments : LOCALLY MOTTLED WITH SOME PYRITE 52 418 A 15 4 0.0 320.00 324.50 324.76 PLAG-OL MODERATELY PHYRIC BASALT PCE 1A (3-9), 1B (9-13), 1C (14-26) PLAG-OL MODERATELY PHYRIC VEINS AND VEINLETS WITH CALCITE AND SMEC AND PYRITE EXTENSIVELY PLAG 3 TO 0.7 | OL comments : MICROPHENOS COMPLETELY ALTERED 52 418 A 15 4 27.0 320.00 324.77 324.93 PLAG SPARSELY PHYRIC BASALT PCE 2A (27-30), 2B (31-33), 2C (34-39), 2D (40-43) PLAG SPARSELY PHYRIC CALCITE-PYRITE VEINLETS EXTENSIVELY BRECCIA OF CARBONATE AND SMEC IN PCE 2D, POSSIBLY SOME SEDIMENTARY comments : UNKNOWN LIGHT BLUE MINERALS 52 418 A 15 4 46.0 320.00 324.96 325.09 PLAG SPARSELY PHYRIC BASALT PCE 3 (46-59) PLAG SPARSELY PHYRIC, TWO PILLOW MARGINS WITH ALTERED GLASS SMEC AND CALCITE VEINLETS EXTENSIVELY BRECCIA IN BETWEEN PILLOW MARGINS WITH CARBONATE AND SMEC CARB 52 418 A 15 4 62.0 320.00 325.12 325.46 PLAG MODERATELY PHYRIC BASALT PCE 4A (62-71), 4B (71-82), 5 (84-96) PLAG MODERATELY PHYRIC VEINLETS WITH SOME SMEC AND CARBONATE AND PYRITE EXTENSIVELY CARB,SMEC PLAG 5-7 TO 0.7 comments : IN CLOTS AND LATHS | OL comments : VERY FEW PHENOS | PYX 0 comments : BLUEISH MINERALS OBSERVED 52 418 A 16 1 3.0 329.50 329.53 329.58 SWANSON, D. BASALTIC PILLOW BRECCIA PCE 1A (3-6), 1B (7-8) PRIMARY QUENCH TEXTURE PRESERVED IN SOME CLASTS EXTENSIVELY comments : CALCITE AND SMEC AND IRON OXIDE MAIN MINS 52 418 A 16 1 12.0 329.50 329.62 330.75 SWANSON, D. PLAG MODERATELY PHYRIC BASALTMASSIVE PCE 2A (12-48), 2B (49-59), 2C (60-79), 2D (80-90), 2E (90-116), 2F (117-126) PLAG MODERATELY PHYRIC, FINE-GRAINED TO MEDIUM- GRAINED (20CM), GNDMASS HOLOCRYSTALLINE VEINS WITH CALCITE AND SMEC EXTENSIVELY OXIDATION HALOES AROUND VEINS IN PCES 2C-F SINGLE COOLING UNIT 1-2 CALCITE | TO 1 2-4 comments : INCREASING VESICULARITY AFTER 40CM, SCATTERED VESICLES THROUGHOUT SECTION BUT RARE BELOW 60CM PLAG <5 TO 2 | OL <1 comments : ALTERED PLAG comments : ELONGATE comments : PYRITE SCATTERED THROUGHOUT 52 418 A 16 2 0.0 329.50 331.00 332.05 RICOU, L. PLAG MODERATELY PHYRIC BASALT PCE 1A (2-34), 1B (34-55), 1C (56-92), 1D (92-105) PLAG MODERATELY PHYRIC, GNDMASS INTERGRANULAR TO QUENCH VEINS WITH ABUNDANT CALCITE AND SMEC AND PYRITE EXTENSIVELY OXIDATION ALONG VEIN BORDERS UP TO O.5CM THICK, DARK GREEN SMEC UP TO 1CM FROM VEIN PCE 1 CONTINUOUS WITH LOWER PART OF CORE 16-1 1 5-10 CALCITE,SMEC ROUND PLAG 1-8 comments : MOSTLY ANHEDRAL, COLORED LIGHT BLUE IN SECTIONDUE TO ALTERATION, CORES UNALTERED | PYX <1 | OL <1 PLAG | PYX | OP.MINS | PYRITE | SMEC GLASS comments : MOTTLED BETWEEN 40 AND 80CM SMEC GLASS 52 418 A 16 2 108.0 329.50 332.08 332.12 SWANSON, D. BASALTIC BRECCIA PCE 2 (108-112) EXTENSIVELY PIECES OF GLASS AND OF YELLOW GREEN ALTERATION MADE OF SMALL PIECES OF GLASS IN SPARRITIC CALCITE MATRIX, SILTY BRECCIA INVADED BY CALCITE LATER ON 52 418 A 16 3 0.0 329.50 332.50 333.53 SWANSON, D. PLAG-CPX-OL MODERATELY PHYRIC BASALT PCE 1A (3-26), 1B (27-41), 1C (42-55), 1D (56-70), 1E (70-83), 1F (84-103) PLAG-CPX-OL MODERATELY PHYRIC, FINE TO MEDIUM GRAINED VEINS FILLED WITH CALCITE AND SMEC AND PYRITE EXTENSIVELY VEINS BELOW 45CM HAVE OXIDIZED HALOES SINGLE COOLING UNIT TO 1 3-4 comments : FORM IN CLUSTERS WHERE THEY TAKE UP 10-20% OF 2-4CM DIAMETER AREAS PLAG <5 comments : IN GLOMEROCRYSTS | CPX <1 <1 comments : FRESH | OL <1 <1 comments : ALTERED TO SMEC SMEC OL 52 418 A 17 1 0.0 332.50 332.50 333.04 RICOU, L. PLAG-PYX-OL MODERATELY PHYRIC BASALT PCE 1A (4-11), 1B (11-28), 2A (31-45), 2B (46-54) PLAG-PYX-OL MODERATELY PHYRIC, FINE TO VERY FINE GRAINED, GLASSY LOCALLY VEINS WITH SMEC AND CALCITE EXTENSIVELY OXIDATION ON VEINS 0.5-1.5 3-5 CALCITE,SMEC COMBINE 5 5-8 | PLAG+PYX, COMPOSITE PHENOS BUT A FEW SEPARATE XTLS | OL <1 comments : RARE 52 418 A 17 1 56.0 332.50 333.06 333.94 RICOU, L. PLAG-PYX MODERATELY PHYRIC BASALT PCE 3A (56-102), 3B (102-144) PLAG-PYX MODERATELY PHYRIC, FINE-GRAINED UPPER 10CM, GNDMASS FINE TO MEDIUM-GRAINED VEINS WITH CALCITE AND SMECTITES EXTENSIVELY BREAK BETWEEN PCES 2A AND 3, NEW FLOW IN PCE 3 O.5 <1 CALCITE,SMEC ROUND PLAG <5 0.5 | PYX <1 comments : IN UPPER PART PLAG | PYX | PYRITE 52 418 A 17 2 0.0 332.50 334.00 335.37 PERTSEV, N. PLAG-PYX MODERATELY PHYRIC BASALTMASSIVE PCE 1A (2-42), 1B (42-53), 1C (53-72), 1D (72-90), 1F (90-110), 1G (110-118), 2A (122-131), 2B (131-137) PLAG-PYX MODERATELY PHYRIC VEINS OF CALCITE AND SMEC THROUGHOUT, GREEN SMEC VEINS ARE BROKEN AND CEMENTED WITH CALCITE, CALCITE VEINS WITH GREEN SMEC CONVERTED TO BROWN SMEC EXTENSIVELY GNDMASS MODERATELY ALTERED 2-3 CALCITE,SMEC ROUND comments : SMEC IS GREEN PLAG 5 3-4 comments : RATHER FRESH BUT LOCALLY ALTERED FROM THE MARGINS | PYX <1 <1 PLAG comments : FRESH MICROLITES 52 418 A 17 3 0.0 332.50 335.50 336.99 BYERLY, G. PLAG-OL MODERATELY PHYRIC BASALT PCE 1A (2-22), 1B (22-44), 1C (45-51), 1D (52-59), 1E (60-82), 1F (82-90), 1F1 (90-94), 1G (95-106), 1H (107-120), 1I (121-144), 1I1 (137-149) PLAG-OL MODERATELY PHYRIC, GNDMASS COARSENS TO BOTTOM VEINS UP TO 2CM WIDE FILLED WITH CARBONATE + SMEC + PYRITE (3,30,45,50,60,85,95,115,120CM) FRESH <1 2 SMEC comments : OR CARBONATE FILLING PLAG 5-7 TO 3 comments : SOMETIMES IN GLOMEROCRYSTS WITH OTHER PLAG comments : ALTERED TO BLUE-GREEN SMEC ON SURFACES AND MAYLOOK LIKE CPX IN CLOTS | OL <1 <1 comments : MICROPHENOS SERIATE WITH GNDMASS, PSEUDOMORPHED BYSMEC PLAG comments : DOMINATED BY NEEDLES QUITE FINE | PYRITE comments : SINGLE GRAINS | CPX comments : TOWARDS BOTTOM AS DISCRETE EUHEDRAL GRAINS SMEC OL,PLAG 52 418 A 17 4 0.0 332.50 337.00 338.48 BYERLY, G. PLAG-OL MODERATELY PHYRIC BASALT PCE 1A (2-6), 1B (7-15), 1C (16-27), 2A (29-32), 2B (32-37), 3A (41-61), 3B (62-75), 3C (76-98), 4A (102-113), 4B (113-135), 4C (137-148) PLAG-OL MODERATELY PHYRIC, FINE GNDMASS COMPLEX VEINS OF CARBONATE + SMEC + PYRITE (5,15,85, 90CM), SMEC OXIDIZED SEVERAL VARIETIES, QUARTZ IN VEINS (60,90CM) FRESH SINGLE COOLING UNIT 1 2 CARBONATE comments : SOME FILLED WITH SMEC PLAG 5-10 TO 3 comments : GLOMEROCRYSTS LOOK LIKE PLAG-CPX CLOTS BUT ISPROBABLY ALTERATION OF CLEAVAGE SURFACES | OL <1 TO 1 comments : ALTERED TO SMEC PLAG comments : NEEDLES IN UNEVEN DISTRIBUTION WHICH GIVES A MOTTLED APPEARANCE | PYRITE comments : DISSEMINATED GRAINS SMEC OL,PLAG 52 418 A 18 1 0.0 339.00 339.00 339.10 BYERLY, G. PYRITE NODULE PCE 1 (3-10) 518 GRAMS, MINOR SMEC ON SURFACE 52 418 A 18 1 14.0 339.00 339.14 340.47 BYERLY, G. PLAG-OL PHYRIC BASALT PCE 2A (14-20), 2B (21-30), 2C (30-42), 2D (43-54), 2E (55-73), 2F (73-86), 2G (87-104), 3A (107-121), 3B (122-132), 4 (135-147) PLAG-OL HIGHLY PHYRIC, FINE-GRAINED GNDMASS COMPLEX CARBONATE + SMEC VEIN AT 55CM FRESH 2-3 SMEC comments : FILLED WITH CARBONATE AT TOP OF SECTION PLAG 10-15 TO 3 comments : GLOMEROCRYSTS, BLACK TO GREEN-BLUE ALTERATIONON CLEAVAGE SURFACES APPEARS LIKE CPX PLAG comments : NEEDLES, UNEVEN DISTRIBUTION CAUSES MOTTLED APPEARANCE SMEC OL,PLAG 52 418 A 18 2 0.0 339.00 340.50 341.97 PERTSEV, N. PLAG-OL MODERATELY PHYRIC BASALT PCE 1A (1-7), 1B (8-20), 2A (24-39), 2B (40-57), 3A (61-73), 3B (72-92), 3C (92-104), 4 (106-115), 5 (118-147) PLAG-OL MODERATELY PHYRIC VEINS OF LIGHT BLUE SMEC WITH WHITE MARGINS OF MONT, IN PCE 1B 8MM THICK VEIN OF MONT WITH ROUND INCLUSIONS OF CALCITE AND DARK MARGINS EXTENSIVELYcomments: GNDMASS MODERATELY ALTERED TO 2 4 SMEC,CALCITE comments : LIGHT GREEN SMEC AND CALCITE MORE SELDOM PLAG 5 3-4 | OL <1 <1 comments : ALTERED TO SMEC PLAG comments : FRESH MICROLITES SMEC PLAG,OL | MONT 52 418 A 18 3 0.0 339.00 342.00 343.31 PLAG-OL MODERATELY PHYRIC BASALT PCE 1A (2-29), 1A1 (28-31), 1B (33-39), 1C (40-51), 2A (54-61), 2A1 (62-72), 2B (73-131) PLAG-OL MODERATELY PHYRIC, FINE-GRAINED GNDMASS SCATTERED VEINS OR VEINLETS FILLED WITH CARBONATE + SMEC + MINOR PYRITE FRESH 2-3 SMEC,CARB | <4 SMEC,CARB comments : PCES 1A-C PLAG 5-7 <0.6 comments : FRESH | OL <1 <1 comments : MICROPHENOS ALTERED TO SMEC SMEC | CARB 52 418 A 18 4 0.0 339.00 343.50 344.96 PLAG MODERATELY PHYRIC BASALT PCE 1A (2-46), 1B (47-57), 1C (58-79), 2 (93-96), 3A (100-107), 3B (105-115), 3C (116-146) PLAG MODERATELY PHYRIC, GNDMASS FINE-GRAINED VEINS COMMON IN LOWER PART OF SECTION FILLED WITH SMEC + CARBONATE + MINOR PYRITE FRESH PCES 1A-B | MODERATELY PCE 1C INCREASING ALTERATION DOWNWARD <1 2-3 SMEC,CARB PLAG 5-7 TO 0.7 | OL 0 SMEC | CARB | PYRITE 52 418 A 18 5 0.0 339.00 345.00 345.90 BYERLY, G. PLAG-OL MODERATELY PHYRIC BASALT PCE 1 (2-23), 2A (27-28), 2B (29-31), 2C (33-36), 2D (37-46), 2E (47-49), 2F (50-53), 3A (57-63), 3B (64-72), 3C (72-90) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-GRAINED EXTENSIVELYcomments: COMPLEX REPLACEMENT CREATING HIGHLY ALTERED VUGGY AREAS, GNDMASS HIGHLY ALTERED 1 SMEC,CARB,ZEOLITE comments : IN PCE 4, ALSO MINOR PYRITE AND OXIDATION, NOT ABLE TO ESTIMATE PERCENTAGE OF VESICLES IN PCES 1-3 DUE TO COMPLEX ALTERATION, LARGE VUGS UP TO 10MM IN DIAMETER (SOME HOLLOW) PLAG 7 <3 comments : MOST FRESH | OL <1 <1 comments : ALTERED TO SMEC SMEC OL | CARB | ZEOLITE 52 418 A 18 5 94.0 339.00 345.94 346.44 BYERLY, G. APHYRIC TO PLAG-OL MODERATELY PHYRIC BASALT PCE 4A (94-103), 4B (103-144) PCE 4A (95-100) IS APHYRIC BUT GRADES INTO MORE PHYRIC TO LOWER PART OF SECTION, LITHOLOGY SIMILAR TO UNALTERED MATERIAL IN PCES 1-3 MODERATELY RELATIONSHIP SIMILAR TO SEGREGATION VEINS AT SITE 417D PLAG comments : MICROPHENOS ALIGNED PARALLEL TO ORIENTATION OFVEIN AT 96CM 52 418 A 18 6 0.0 339.00 346.50 347.73 PLAG MODERATELY PHYRIC BASALT PCE 1 (2-20), 2A (22-44), 2B (45-58), 2C (60-74), 3A (77-82), 3B (82-94), 3C (95-101), 3D (102-111), 3E (112-123) PLAG MODERATELY PHYRIC, GNDMASS FINE-GRAINED VEINS AND VEINLETS SCATTERED THROUGHOUT FILLED WITH CARB+SMEC+PYRITE, BROWN STAINING ALONG VEINS MOD <1 SMEC,CARB,PYRITE comments : MINOR PYRITE PLAG 4-7 <3 comments : UNEVEN DISTRIBUTION, FRESH, CLOTS UP TO 5MM, SEETHIN SECTION DESCRIPTION FOR PCE 3E SMEC | CARB | PYRITE 52 418 A 19 1 0.0 348.00 348.00 349.49 PLAG MODERATELY PHYRIC BASALT PCE 1A (2-14), 1B (12-35), 1C (35-48), 1D (50-60), 1E (61-80), 1F (80-92), 1G (93-108), 1H (110-125), 2A (127-142), 2B (143-149) PLAG MODERATELY PHYRIC, FINE-GRAINED GNDMASS VEINS COMMON WITH CARB+SMEC FILLING, SOME PYRITE MINERALIZATION ALONG VEINS, IN PCE 1A VEINS WITH SMEC+CARB+ZEOLITE AND ZEOLITE PATCHES, 1-2CM VEIN ON TOP OF PCE 2A CONSISTING OF CARB+SMEC+ZEOLITE NEEDLES WITH BROWN STAINING AND MINOR SILICA EXTENSIVELY PCES 1A+ 1C-D + 1G-2B | FRESH REST OF SECTION <1 comments : RARE SMEC AND CARB FILLING PLAG 5-8 <3 comments : FRESH comments : PATCHY APPEARANCE SMEC | CARB | ZEOLITE 52 418 A 19 2 0.0 348.00 349.50 350.89 SWANSON, D. PLAG-OL MODERATELY PHYRIC BASALT PCE 1A (3-11), 1B (12-24), 1C (25-46), 1D (47-71), 1E (72-81), 1F (82-95), 1G (91-110), 2A (114-124), 2B (125-139) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-MEDIUM GRAINED, INTERGRANULAR NARROW VEINLETS CUT ENTIRE SECTION FILLED WITH SMEC + CALCITE MOD ENTIRE SECTION PART OF SINGLE COOLING UNIT, PCE 1A FITS ON BASE OF 19-1, PCE 2B FITS ON TOP OF 19-3 0 PLAG 5-10 <3 comments : AS SINGLE XTLS OR GLOMEROCRYSTS | OL <1 <1 comments : ALTERED TO SMEC PLAG comments : ELONGATE | PYRITE comments : DISSEMINATED THROUGHOUT SMEC OL | CALCITE | PYRITE 52 418 A 19 3 0.0 348.00 351.00 352.39 PLAG-OL MODERATELY PHYRIC BASALT PCE 1A (2-35), 1B (36-47), 1C (48-55), 1D (56-68), 1E (69-77), 1F (77-86), 1G (87-94), 1H (95-106), 1I (107-119), 1J (120-127), 1K (127-130), 1L (131-140) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-MEDIUM GRAINED VEINS CUT ENTIRE SECTION FILLED WITH SMEC + CARB + MINOR PYRITE, IN PCE 1A SOME ZEOLITE MODERATELY PCES 1A-C + 1F-G +1I+1L | FRESH REST OF SECTION <1 SMEC,CARB PLAG 5-8 TO 0.8 comments : FRESH | OL <1 <1 comments : ALTERED TO SMEC PYRITE comments : DISSEMINATED, GNDMASS HAS PATCHY APPEARANCE SMEC OL | CARB | ZEOLITE | PYRITE 52 418 A 19 4 0.0 348.00 352.50 353.91 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALTMASSIVE PCE 1A (2-16), 1B (17-18), 1C (17-28), 1D (27-30), 1E (30-37), 1F (37-46), 1G (47-54), 1H (54-63), 1I (64-85), 1J (85-102), 1K (102-122), 1L (120-128), 1M (129-141) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-MEDIUM GRAINED SPARSE VEINS FILLED WITH CALCITE+SMEC FRESH ONLY OL ALTERED <1 CALCITE PLAG 7-10 2-5 comments : EUHEDRAL, FRESH | OL <1 TO 2 comments : ALTERED TO DARK GREEN SMEC PLAG 20 1-2 comments : LATHS | OL 0.1-0.2 comments : XTLS SMEC OL | CALCITE 52 418 A 19 5 0.0 348.00 354.00 355.48 SWANSON, D. PLAG-OL MODERATELY PHYRIC BASALT PCE 1A (3-8), 1B (7-20), 1C (20-29), 1D (30-39), 1E (40-47), 1F (47-56), 1G (57-75), 1H (76-87), 1I (88-106), 1J (106-117), 1K (117-128), 1K1 (129-140), 1L (140-148) PLAG-OL-MODERATELY PHYRIC, GNDMASS FINE-MEDIUM GRAINED, INTERGRANULAR VEINS SCATTERED WITH CALCITE+SMEC+MINOR PYRITE MOD GRADES TO EXTENSIVELY NEAR PCE 1I | FRESH PCE 1J-1K1 ENTIRE SECTION IS CONTINUOUS AND ONE COOLING UNIT, CONNECTS WITH CORES 19-4 AND 19-6 0 PLAG 7-10 <3 comments : FRESH | OL <1 <1 comments : ALTERED TO SMEC PLAG comments : MICROLITES | CPX comments : BETWEEN PLAG MICROLITES SMEC OL | CALCITE 52 418 A 19 6 0.0 348.00 355.50 356.95 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALTMASSIVE PCE 1 (2-22), 2 (24-33), 3A (35-48), 3B (49-56), 3C (56-70), 3D (70-90), 3E (90-100), 3F (100-115), 3G (115-122), 3H (122-133), 3I (133-145) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-MEDIUM GRAINED SCATTERED VEINLETS FILLED WITH SMEC+CALCITE+MINOR PYRITE FRESH SMEC comments : PALE BLUE-GREEN CLAY PLAG 7-10 <3 comments : FRESH | OL <1 <1 comments : ALTERED TO SMEC PLAG TO 2 comments : LATHS | GLASS comments : ALTERED, MOTTLED APPEARANCE DUE TO LOCAL CONCENTRATION OF PHENOS SMEC OL | CALCITE | PYRITE 52 418 A 19 7 0.0 348.00 357.00 358.23 SWANSON, D. PLAG-OL MODERATELY PHYRIC BASALTMASSIVE PCE 1A (2-12), 1B (12-28), 1C (29-46), 1D (47-55), 2 (57-60), 3A (63-68), 3A1 (68-74), 3B (75-84), 3C (85-100), 3D (100-115), 3D1 (115-120), 3E (121-123) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-COARSE GRAINED, STARTING AT 50CM GRAIN SIZE INCREASES TO COARSE BY ABOUT 85CM, HOLOCRYSTALLINE INTERGRANULAR, HOLOCRYSTALLINE, PLAG-OL MODERATELY PHYRIC, GNDMASS COARSENS GRADUALLY DOWNWARD BY 85CM, FINE-GRAINED IN UPPER PART, TOP CONTINUOUS WITH CORE 19-6 VEINLETS FILLED WITH SMEC+CARB+MINOR PYRITE MOD 2-84 | EXTENSIVELY 85-123, BELOW 85CM LARGE AREAS ALTERED TO SMEC+ CALCITE NO RECOVERED COOLING BREAKS PLAG 5-8 3 comments : FRESH | OL <1 1 comments : ALTERED TO SMEC PYRITE comments : DISSEMINATED SMEC OL | PYRITE | CALCITE 52 418 A 20 1 0.0 357.00 357.00 358.43 SWANSON, D. PLAG-OL MODERATELY PHYRIC BASALT PCE 1A (3-39), 1B (40-56), 1C (57-72), 1D (72-85), 1D1 (82-86), 1E (87-93), 1F (93-109), 1G (110-135), 1H (136-143) PLAG-OL MODERATELY PHYRIC, MEDIUM TO COARSE-GRAINED, SAME LITHOLOGY AS CORE 19-7 BUT COARSER AND MORE DIFFICULT TO ESTIMATE PHENOS, GNDMASS HOLOCRYSTALLINE VEINS ARE SMEC LINED AND CALCITE FILLED SLIGHTLY 0 PLAG 5-10 <3 comments : FRESH | OL <1 <1 comments : ALTERED TO SMEC PLAG comments : ELONGATE MICROLITES OR MICROPHENOS SMEC OL | PYRITE | CALCITE 52 418 A 20 2 0.0 357.00 358.50 359.74 RICOU, L. PLAG-OL PHYRIC BASALT PCE 1A (2-18), 1B (18-40), 1C (40-72), 1D (72-106), 1E (102-109), 1F (109-124) PLAG-OL PHYRIC, GNDMASS FINE-GRAINED FEW VEINS FILLED WITH CARB, ZONE OF ALTERATION 2CM THICK ALONG VEIN IN PCE 1 MOD <1 CALCITE PLAG 10 <10 comments : ZONED, EUHEDRAL, FRESH | OL <1 0.5-2 comments : ALTERED TO BLUE SMEC PLAG comments : FINE-GRAINED LATHS | PYX comments : REPLACING GLASS OR OL SMEC GLASS OR OL 52 418 A 20 3 0.0 357.00 360.00 361.38 SWANSON, D. PLAG-OL MODERATELY PHYRIC BASALT PCE 1A (2-30), 1B (31-40), 1C (41-54), 1D (54-60), 2 (63-65), 3A (68-99), 3B (100-109), 3C (109-138) PLAG-OL MODERATELY PHYRIC, GNDMASS INTERGRANULAR AND HOLOCRYSTALLINE, MEDIUM TO COARSE-GRAINED SINGLE COOLING UNIT, SPARSE VEINS FILLED WITH CARB+SMEC SLIGHTLY SECTION FITS WITH NO GAP BETWEEN SECTIONS 2 AND 4 0 PLAG 5-10 <4 comments : FRESH | OL <1 <1.5 comments : ALTERED TO SMEC, IRREGULAR IN DISTRIBUTION comments : MINOR SMEC+PYRITE IN GNDMASS SMEC OL | PYRITE 52 418 A 20 4 0.0 357.00 361.50 362.88 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALTMASSIVE PCE 1A (2-33), 1B (33-78), 1C (77-94), 1D (94-109), 1E (107-115), 1F (115-138) PLAG-OL MODERATELY PHYRIC, INTERSERTAL, HOLOCRYSTALLINE, GNDMASS MEDIUM-GRAINED SPARSE VEINLETS FILLED WITH SMEC, PROMINENT VEINS IN PCE 1 FILLED WITH SMEC+PYRITE MODERATELY MAJOR ALTERATION IN PCE 1A ALONG VEIN WITH GREEN SMEC AND PYRITE AT OUTER LIMIT OF ALTERED ZONE BASE CONTINUOUS WITH UPPER PART OF CORE 20-5 <1 SMEC PLAG 7-10 <8 comments : FRESH, ZONE EUHEDRAL | OL 1 <5 comments : ALTERED TO SMEC + CALCITE PLAG | PYX | CLAY comments : MINOR SMEC+CALCITE SMEC OL comments : PALE BLUE OR DARK GREEN | CALCITE OL | CLAY OL 52 418 A 20 5 0.0 357.00 363.00 363.81 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALT PCE 1A (2-5), 1B (5-19), 1C (15-21), 1D (22-29), 2A (32-57), 2B (57-65), 3 (75-81) PLAG-OL MODERATELY PHYRIC, DECREASING IN GRAIN SIZE TO GLASSY MARGIN IN PCE 3, FINE-GRAINED GNDMASS SINGLE THICK CARB+SMEC VEIN OCCURS AT 66CM FRESH 1 SMEC PLAG 5-7 <4 comments : FRESH | OL <1 <2 comments : ALTERED TO SMEC comments : CARB IN PCE 3 SMEC OL,GLASS | CARB 52 418 A 20 5 83.0 357.00 363.83 364.43 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALT PCE 4 (83-89), 5A (92-107), 5B (109-116) | 5C (119-125), 5D (128-143) PLAG-OL MODERATELY PHYRIC, TOP GLASSY RIND OF LOWER FLOW OCCURS IN PCE 4 SPARSE VEINLETS FILLED WITH SMEC + CARB COMMON IN 85-145CM AND CAUSE ROCK TO BREAK UP FRESH <2 CARB,SMEC,PYRITE comments : MINOR PYRITE PLAG 5-7 <3 comments : FRESH | OL 1 <1 comments : ALTERED TO SMEC SMEC OL | CARB | PYRITE 52 418 A 20 6 0.0 357.00 364.50 365.97 BYERLY, G. PLAG-OL MODERATELY PHYRIC BASALT PCE 1A (2-24), 1B (25-36), 1C (37-42), 1D (43-57), 1E (59-70), 2A (74-88), 2B (89-97), 2C (97-104), 3A (107-120), 3B (121-140), 3C (140-147) PLAG-OL MODERATELY PHYRIC SINGLE COOLING UNIT, ABUNDANT VEINS FILLED WITH SMEC + CARB + PYRITE, PROMINENT VEIN IN PCE 1B ALSO HAS QUARTZ FRESH 1 SMEC,CARB comments : CARB MINOR PLAG 5-7 <3 comments : FRESH | OL <1 <2 comments : ALTERED TO SMEC, MICROPHENOS PLAG comments : NEEDLES IN UNEVEN DISTRIBUTION GIVES MOTTLED APPEARANCE, DISSEMINATED PYRITE SMEC OL | PYRITE 52 418 A 20 7 0.0 357.00 366.00 367.05 PERTSEV, N. PLAG-OL MODERATELY PHYRIC BASALT PCE 1A (2-17), 1B (17-29), 1C (30-41), 1D (43-53), 2A (56-67), 2B (68-78), 2C (80-91), 3 (94-105) PLAG-OL MODERATELY PHYRIC, GNDMASS HOLOCRYSTALLINE FINE TO MEDIUM-GRAINED VEINLETS <3MM WITH DARK GREEN SMEC MARGINS FRESH 2 <2SMEC,CARB comments : SMEC LIGHT GREEN PLAG 7 <5 comments : FRESH | OL 1 <3 comments : ALTERED TO LIGHT GREEN SMEC PLAG comments : FRESH MICROLITES SMEC OL | CALCITE 52 418 A 21 1 0.0 366.00 366.00 367.21 SWANSON, D. PLAG-OL MODERATELY PHYRIC BASALT PCE 1 (3-7), 2 (13-19), 3 (24-27), 4 (32-35), 41 (35-41), 5 (47-59), 6A (63-71), 6B (71-76), 6C (77-84), 6C1 (84-85), 7A (97-101), 7B (102-111), 8 (117-121) PLAG-OL MODERATELY PHYRIC, GNDMASS HOLOCRYSTALLINE FINE TO MEDIUM-GRAINED, PCE 6D COARSER THAN REST OF SECTION BUT GRADES INTO FINER-GRAINED PORTIONS HEAVILY-VEINED ESPECIALLY PCES 5-8, VEINS FILLED WITH CALCITE + SMEC + QUARTZ + ZEOLITE, NO COOLING UNIT BREAKS EXTENSIVELY PCES (4-41, 5-6C1, 7A-8), REST FRESH 1-2 0.25-1CALCITE,SMEC PLAG 5-8 <3 comments : FRESH | OL <1 <1 comments : ALTERED TO SMEC SMEC OL | CALCITE | ZEOLITE 52 418 A 22 1 0.0 367.00 367.00 368.50 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALTMASSIVE PCE 1 (2-8), 2A (12-15), 2B (15-25), 3 (27-30), 4 (33-42), 5 (45-54), 6 (55-58), 7A (60-66), 7B (66-74), 8 (75-77), 9A (79-83), 9B (82-86), 10A (88-96), 10B (96-106), 11A (107-118), 11B (119-133), 11C (133-140), 12 (142-150) PLAG-OL MODERATELY PHYRIC, GNDMASS HOLOCRYSTALLINE FINE-GRAINED VEINS COMMON, THICK FILLED WITH CALCITE, THIN FILLED WITH CALCITE+SMEC+PYRITE, CONTINUOUS WITH CORE 22-2 MOD <1 <1 CALCITE,SMEC ROUND PLAG 5 <5 comments : FRESH BUT STAINED GREEN NEAR FISSURES | OL <1 <1 comments : ALTERED TO SMEC PLAG comments : LATHS, ALSO DISSEMINATED PYRITE SMEC OL | CALCITE | PYRITE 52 418 A 22 2 0.0 367.00 368.50 369.08 BYERLY, G. PLAG-OL MODERATELY PHYRIC BASALT PCE 1A (2-8), 1B (9-16), 1C (17-21), 1D (22-29), 1E (30-36), 1F (37-46), 1G (47-58) PLAG-OL MODERATELY PHYRIC, GNDMASS HOLOCRYSTALLINE FINE-GRAINED SPARSE VEINS FILLED WITH SMEC+CARB+MINOR PYRITE FRESH ALTERATION CONFINED TO VEINS OF SMEC+CARB+PYRITE <1 1 SMEC,CARB PLAG 7 <4 comments : OFTEN IN GLOMEROCRYSTS, FRESH OR STAINED NEARCLEAVAGES | OL 1 <1 comments : ALTERED TO SMEC, MICROPHENOS PLAG comments : NEEDLES IN UNEVEN DISTRIBUTION GIVES MOTTLED APPEARANCE | OL comments : ALTERED SMEC OL | CARB | PYRITE 52 418 A 22 3 0.0 367.00 370.00 370.00 SWANSON, D. PLAG-OL MODERATELY PHYRIC BASALT PCE NO PCE NUMBERS ASSIGNED LITHOLOGY SIMILAR TO REST OF CORE 22 NINE FRAGMENTS (TWO OF WHICH FIT TOGETHER AND ARE SO MARKED) THAT STUCK IN THE DRILLING PIPE AFTER PULLING CORE 22, CAME FROM INTERVAL BELOW CORE 22-2 AT 60CM AND ABOVE THE BIT 52 418 A 23 1 0.0 375.50 375.50 375.80 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALT PCE 1 (2-18), 2 (22-30) PLAG-OL MODERATELY PHYRIC, FINE-GRAINED TO GLASSY, GLASS ZONE IN PCE 1 IS SURROUNDED BY A FINE-GRAINED ZONE VEINS FILLED WITH SMEC+CALCITE MOD PLAG 7 1-5 comments : PARTLY ALTERED AND STAINED GREEN | OL 1 <3 comments : ALTERED TO GREEN SMEC + CALCITE, MAY BE SOME PYX PLAG comments : LATHS SMEC OL | CALCITE 52 418 A 24 1 0.0 376.00 376.00 377.38 BYERLY, G. PLAG-OL-CPX MODERATELY PHYRIC BASALT PCE 1A (3-27), 1B (28-46), 1C (45-55), 2A (57-70), 2B (71-78), 3A (82-86), 3B (88-138) PLAG-OL-CPX MODERATELY PHYRIC, GNDMASS FINE-GRAINED TO GLASSY, GLASS FRESH ON TOP OF PCE 3A, PCES 2-3 FINER-GRAINED THAN ABOVE WITH GLASSY SELVAGES THICK COMPLEX VEIN OF CARB+SMEC OCCURS WITH MINOR PYRITE FRESH | MODERATELY FROM (5-11, 39-44, 82-87, 128-135) PCE 3A SIMPLE PILLOW BRECCIA FROM COLLAPSE <0.5 <1 SMEC,CARB comments : VUGGY PATCHES OF CARB IN PCES (1B,3B) PLAG 5 <3 comments : FRESH | OL 1 <1 comments : ALTERED TO SMEC, MICROPHENOS | CPX <1 <2 comments : ROUND, REFRACTIVE INDEX 1.704, 85% DIOPSIDE, MAYCONTAIN PLAG INCLUSIONS OL | PLAG comments : NEEDLES SMEC OL,GLASS | CARB | PYRITE 52 418 A 24 2 0.0 376.00 377.50 378.38 PERTSEV, N. PLAG-OL-CPX PHYRIC BASALTPILLOW BASALT PCE 1 (4-20), 2 (26-28), 3A (32-44), 3B (44-55), 3C (55-65), 4 (72-76), 5 (80-88) PLAG-OL-CPX PHYRIC, GLASSY MARGIN BETWEEN 3B-3C, GNDMASS FINE-GRAINED TO GLASSY THICK VEINS IN PCE 1 AND 2A (TO 1CM) FILLED WITH CHALCEDONY AND QUARTZ IN INTERIOR PARTS AND CALCITE NEAR MARGINS, THIN BANDS OF SMEC ON OUTSIDE MARGINS, GRAINS OF PYRITE OCCUR IN SMEC+CALCITE VEINS FRESH PCE 2 | MODERATELY PCE 1 AND 3A-3B AND 4-5 | EXTENSIVELY PCE 3C PCE 3C IS BRECCIATED, PCES 4-5 ARE PART OF THE CORE CATCHER <2 1 CALCITE,SMEC PLAG 10 <4 comments : FRESH | OL 1 <2 comments : ALTERED TO SMEC+CALCITE | CPX <1 <2 comments : IN GLOMEROCRYSTS WITH PLAG comments : PARTLY REPLACED BY SMEC IN PCES 1-2A SMEC OL | CALCITE OL | PYRITE 52 418 A 25 1 0.0 381.50 381.50 382.97 BYERLY, G. PLAG-OL-CPX MODERATELY PHYRIC TO APHYRIC BASALTPILLOW BASALT PCE 1 (3-6), 2A (9-27), 2B (28-69), 2C (70-132), 2D (133-147) PLAG-OL-CPX MODERATELY PHYRIC GRADING TO APHYRIC IN ZONES 8-22CM AND 48-72CM, GNDMASS FINE-GRAINED TO GLASSY, FINE-GRAINED MARGINS AT 30CM, FRESH GLASS AT >5CM THICK COMPLEX VEINS (13,25,45,75,135CM) FILLED WITH SMEC+CARB, SOME OXIDATION MOD FROM (10-13, 23-27, 43-47, 70-76, 129-136CM) | FRESH REST OF SECTION <1 0-2 SMEC,CARB comments : UNEVENLY DISTRIBUTED, UP TO 1CM WIDE PLAG 0-10 <3 comments : FRESH | OL 0-1 <1 comments : ALTERED TO SMEC | CPX 0-1 <2 comments : FRESH PLAG comments : IN APHYRIC ZONES NEDDLE-LIKE AND MORE GRANULAR | OL 2-3 SMEC OL,GLASS | CARB 52 418 A 25 2 0.0 381.50 383.00 384.48 PERTSEV, N. PLAG-OL-CPX MODERATELY PHYRIC TO APHYRIC BASALTPILLOW BASALT PCE 1A (2-18), 1B (18-37), 1C (38-50), 1D (47-55), 2 (57-82), 3 (86-92), 4 (95-101), 5A (104-115), 5B (115-121), 5C (122-148) PLAG-OL-CPX MODERATELY PHYRIC TO APHYRIC IN PCES 3-4, GNDMASS FINE-GRAINED TO GLASSY, GLASSY MARGINS BETWEEN 1A-B AND TOP OF PCE 2 VEINS UP TO 1CM WIDE FILLED WITH CALCITE AND WHITE MONT WITH GREEN SMEC MARGINS, BROWN SMEC IN CONTACT WITH GREEN SMEC MOD <1 1-2 CALCITE,SMEC PLAG 0-10 <3 comments : FRESH | OL 0-1 <2 comments : ALTERED TO SMEC + CALCITE | CPX <1 <2 comments : FRESH, ANHEDRAL, AUGITE OR DIOPSIDE PLAG comments : FRESH MICROLITES SMEC OL,GLASS | CALCITE 52 418 A 25 3 0.0 381.50 384.50 384.94 PERTSEV, N. PLAG MODERATELY PHYRIC TO APHYRIC BASALT PCE 1A (3-24), 1B (23-44) PLAG MODERATELY PHYRIC TO APHYRIC IN PCE 1B, GNDMASS FINE-GRAINED VEINS WITH CALCITE AND GREEN SMEC MARGINS AND SOME FILLED WITH LIGHT GREEN SMEC WITH DARK GREEN MARGINS MOD 1-2 SMEC,CALCITE PLAG 0-6 <4 comments : FRESH PLAG comments : MICROLITES, FRESH comments : MINOR PYRITE SMEC | CALCITE 52 418 A 26 1 0.0 384.50 384.50 385.76 PLAG-CPX-OL MODERATELY PHYRIC BASALTMASSIVE PCE 1A (2-20), 1B (20-30), 1C (30-52), 1D (52-61), 1E (62-78), 1F (78-80), 1G (81-92), 1G1 (92-94), 1H (95-111), 1I (110-126) PLAG-CPX-OL MODERATELY PHYRIC, GNDMASS FINE-GRAINED, MOTTLED DUE TO DISTRIBUTION OF VARYING GRAIN SIZES VEINS AND VEINLETS FILLED WITH SMEC+CARB, BROWN STAINING ALONG CRACKS, SOME MINOR SILICA, SOME VEINS OXIDIZED MOD <1 SMEC,CARB PLAG 5 <5 comments : FRESH | CPX 1 <2 comments : FRESH | OL <1 <1 comments : ALTERED TO SMEC SMEC OL | CARB 52 418 A 26 2 0.0 384.50 386.00 387.11 PLAG-OL-CPX MODERATELY PHYRIC BASALTMASSIVE PCE 1 (2-32), 11 (24-32), 2A (34-65), 2B (66-72), 2C (71-84), 2D (86-94), 2E (95-104), 2F (106-111) PLAG-OL-CPX MODERATELY PHYRIC, GNDMASS GRADES FROM MEDIUM-GRAINED TO FINE-GRAINED NEAR 86CM VEINS COMMON BETWEEN 85 AND 110CM FILLED WITH CARB+SMEC, PCES REPRESENT BASE OF FLOW UNIT MOD <1 CARB,SMEC PLAG 7 <5 comments : FRESH | OL 1 <1 comments : ALTERED TO SMEC | CPX <1 <2 comments : FRESH SMEC OL | CARB 52 418 A 26 2 112.0 384.50 387.12 387.43 PLAG-OL-CPX MODERATELY PHYRIC BASALTPILLOW PCE 2G (112-130), 2H (131-143) PLAG-OL-CPX MODERATELY PHYRIC, GNDMASS VERY FINE- GRAINED VEINS AND VEINLETS FILLED WITH SMEC+CARB EXTENSIVELY BROWN STAINING ALONG OXIDIZED VEINS MINOR BRECCIA OCCURS AT TOP OF PILLOW SEQUENCE IN PCE 2G PLAG 5 <4 comments : FRESH | OL 1 <1 comments : ALTERED TO SMEC | CPX <1 <2 comments : FRESH CARB | SMEC OL 52 418 A 26 3 0.0 384.50 387.50 388.98 SWANSON, D. PLAG-OL-CPX MODERATELY PHYRIC BASALTPILLOW PCE 1A (3-17), 1B (17-27), 1C (28-41), 2 (44-46), 3 (48-58), 31 (58-63), 4 (65-67), 5A1 (69-71), 5A (72-87), 5B (87-94), 5C (95-104), 5D (105-114), 6A (115-129), 6B (128-136), 7 (139-148) PLAG-OL-CPX MODERATELY PHYRIC, GNDMASS FINE-GRAINED TO GLASSY VEINS COMMON THROUGHOUT FILLED WITH SMEC+CARB MOD GLASS SELVAGES MOSTLY ALTERED TO SMEC, SOME FRESH GLASS PRESENT 0 PLAG 8-10 <4 comments : FRESH, OCCUR AS SINGLE XTLS OR GLOMEROCRYSTS | OL 1 <1 comments : ALTERED TO SMEC, IRREGULARLY DISTRIBUTED | CPX <1 <2 comments : FRESH, ROUNDED PLAG comments : NEEDLE-LIKE MICROLITES OR MICROPHENOS, MINOR PYRITE DISSEMINATED THROUGHOUT CARB | SMEC OL,GLASS 52 418 A 26 4 0.0 384.50 389.00 390.49 SWANSON, D. PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1A (3-11), 1B (12-25), 1C (25-39), 1D (39-60), 2 (64-71), 3 (74-80), 4 (83-86), 5 (89-94), 6 (97-101), 71 (104-108), 7 (104-117), 8A (120-127) 8B (128-135), 8C (138-159) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-GRAINED TO GLASSY, COARSER IN PCES 1B-C, FRESH GLASS PRESENT IN CORE-CATCHER SCATTERED VEINS FILLED WITH CALCITE+SMEC+MINOR PYRITE MOD PILLOW MARGIN BRECCIA ASSOCIATED WITH GLASS (PCE 2) <1 <1 CALCITE comments : MOSTLY NON-VESICULAR BUT VESICLES OCCUR IN BRECCIA OF PCE 2 (<1MM) FILLED WITH CALCITE PLAG 8-10 <5 comments : FRESH | OL 1 <1 comments : ALTERED TO SMEC comments : DISSEMINATED PYRITE IN GNDMASS SMEC OL | CALCITE 52 418 A 27 1 393.50 393.50 393.65 RICOU, L. PLAG MODERATELY PHYRIC BASALTPILLOW PCE 1 (2-9), 2 (11-14) PLAG MODERATELY PHYRIC, GNDMASS FINE-GRAINED MOD PLAG 5 <5 comments : FRESH 52 418 A 27 1 17.0 393.50 393.67 394.07 RICOU, L. PLAG-OL SPARSELY PHYRIC BASALTPILLOW PCE 3 (17-28), 4A (31-47), 4B (44-51), 4C (52-57) PLAG-OL SPARSELY PHYRIC, GNDMASS VERY FINE-GRAINED FLOW STRUCTURE AT BASE MOD PLAG <2 0.5-2 | OL PLAG comments : LATHS | OL 52 418 A 27 1 59.0 393.50 394.09 394.45 RICOU, L. BASALTIC BRECCIA PCE 5 (59-64), 6 (66-72), 7 (73-82), 8 (83-90), 9 (92-95) HYALOCLASTIC, BROKEN PCES OF GREEN GLASS UP TO 3CM, ALTERED TO CLAY IN PCE 5, PCES 6-9 MIXTURE OF LAVA AND HYALOCLASTIC BRECCIA, PCES 7-8 SHOW BROKEN MINIFLOWS 3CM THICK WITH GLASSY MARGINS SURROUNDED BY HYALOCLASTIC BRECCIA MOD GLASSY SELVAGES ARE ALTERED TO SMEC SMEC GLASS 52 418 A 27 1 97.0 393.50 394.47 394.98 RICOU, L. PLAG-OL PHYRIC BASALTPILLOW PCE 10 (97-110), 11A (111-122), 11B (122-127), 11C (128-136), 12 (139-148) PLAG-OL PHYRIC, GNDMASS FINE-GRAINED TO GLASSY FRACTURE IN PCE 11A CONTEMPORANEOUS WITH COOLING, GLASS ZONE AT END OF FRACTURE SUGGESTS QUENCHING, FRACTURE CUTS THROUGH CRYSTALLIZED BORDER OF PILLOW TO MOLTEN INTERIOR WHERE GLASSY MARGIN DEVELOPED | FRACTURES FILLED WITH SMEC+CARB MOD PLAG 12-17 1-9 comments : FRESH | OL 0-3 0.5-4 comments : ALTERED TO SMEC SMEC OL,GLASS | CARB 52 418 A 27 2 0.0 393.50 395.00 396.43 SWANSON, D. PLAG-OL SPARSELY TO PHYRIC BASALTPILLOW PCE 1A (4-10), 1B (14-17), 2 (21-31), 3 (34-47), 3A1 (48-50), 4 (52-56), 5A (60-82), 5B (82-90), 6 (93-111), 61 (110-122), 7 (125-130), 8 (132-143) PLAG-OL SPARSELY PHYRIC IN PCES 7-8, PLAG-OL PHYRIC IN PCES 5-6, GRADING IN REST OF SECTION VEINS AND VEINLETS FILLED WITH CARB+SMEC+MINOR PYRITE, ESPECIALLY THICK VEINS AT BOTTOM OF PCE 3 AND IN CENTER OF PCE 5A MOD GLASS SELVAGES ALTERED TO SMEC PCE 1B IS ALTERED SIDEROMELANE BRECCIA, ONE PILLOW FROM 60-122CM <1 <1 CALCITE PLAG 2-14 <2 comments : FRESH | OL 0-1 <1 comments : ALTERED TO SMEC | CPX 0 comments : FINE TO VERY FINE-GRAINED CARB | SMEC OL 52 418 A 27 3 0.0 393.50 396.50 397.08 SWANSON, D. PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1A (3-7), 1B (7-14), 2 (17-24), 3 (27-31), 4 (34-43), 5CC (46-49), 6CC (53-58) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-GRAINED TO GLASSY, PCE 1A IS SIDEROMELANE BRECCIA DERIVED FROM PILLOW RINDS, PARTLY ALTERED GLASS FRAGMENTS IN GREEN SMEC MATRIX VEINS FILLED WITH SMEC+CALCITE MOD <1 <1 CALCITE,SMEC PLAG 10 <4 comments : FRESH | OL 1 <1 comments : ALTERED TO SMEC SMEC OL,GLASS | CALCITE 52 418 A 28 1 0.0 402.50 402.50 403.97 BYERLY, G. PLAG-OL MODERATELY PHYRIC BASALT AND BASALTIC BRECCIAPILLOW PCE 1 (2-4), 2A (7-20), 2B (21-32), 2C (33-38), 2D (40-52), 3 (57-61), 4 (64-69), 5 (72-74), 6A (79-85), 6B (85-101), 6C (102-116), 7 (120-125), 8A (129-140), 8B (141-147) INTERMIXED PILLOW BRECCIA AND PLAG-OL MODERATELY PHYRIC PILLOW BASALT, BRECCIAS OCCUR AT GLASSY PILLOW MARGINS, MATRIX IS ALTERED GLASS, CLASTS ARE ALTERED GLASS WITH PRESERVED VARIOLITES AND CRACKS, BRECCIA FORMED DURING ERUPTION BECAUSE GLASSY MARGIN CLASTS CONSUMED INTO INTERIOR OF PILLOWS, CARB+PINK ZEOLITE REPLACE SOME MATRIX MATERIAL, GNDMASS FINE-GRAINED TO GLASSY SCATTERED VEINS FILLED WITH SMEC+CARB MOD ALTERATION INTENSE IN BRECCIATED ZONE, SMEC REPLACES ALL GLASS <0.5 <1 SMEC,CARB PLAG 5-10 <6 comments : NORMALLY FRESH BUT STAINED GREEN OR YELLOW NEARALTERED BRECCIA ZONES, LARGER ONES MAY BE ZONEDWITH GLASSY INTRUSIONS | OL 1 <2 comments : ALTERED TO SMEC PLAG comments : NOT NEEDLE-LIKE | OL comments : MINOR, ALTERED TO SMEC SMEC OL,GLASS | CARB | ZEOLITE 52 418 A 28 2 0.0 402.50 404.00 405.43 PERTSEV, N. PLAG-CPX-OL PHYRIC BASALTPILLOW PCE 1A (3-12), 1B (12-15), 1C (15-17), 2 (20-31), 3 (34-50), 4A (54-56), 4B (58-61), 4C (60-64), 4D (65-69), 5 (72-82), 6 (84-91), 7 (94-96), 8 (100-107), 9 (110-120), 10A (122-129), 10B (130-136), 11 (140-143) PLAG-CPX-OL PHYRIC, PHENOS RANGE FROM 10-15% IN PCES 1-8 TO 25% IN PCES 9-11, GNDMASS FINE-GRAINED TO GLASSY, BRECCIA ZONES ARE ASSOCIATED WITH GLASS SELVAGES, BRECCIA CEMENTED WITH SMEC + CARB VEINS IN PCES 3-5 WITH COARSE-GRAINED CARB AND GREEN-DARK GREEN SMEC IN MARGINS MOD GLASS ALTERED TO SMEC, BADLY ALTERED SEDIMENT INCLUSION IN PCE 4D NOW LIGHT GREEN SMEC+CALCITE AGGREGATE <2 1 SMEC,CALCITE PLAG 10-20 <7 comments : FRESH | OL 1-2 <2 comments : ALTERED TO SMEC + FORSTERITE | CPX 1-3 <3 comments : FRESH, MOSTLY IN GLOMEROCRYSTS WITH PLAG SMEC OL,GLASS | CARB | ZEOLITE comments : PINK IN BRECCIA MATRIX 52 418 A 28 3 0.0 402.50 405.50 406.97 PERTSEV, N. PLAG-OL-CPX PHYRIC BASALT AND BASALTIC BRECCIAPILLOW PCE 1A (2-9), 1B (8-17), 2 (20-24), 3A (27-42), 3B (42-48), 4 (51-55), 5A (58-67), 5B (68-74), 6 (76-85), 7 (87-93), 8 (96-108), 9 (112-116), 10A (120-127), 10B (126-140), 11 (144-147) PLAG-OL-CPX PHYRIC RANGING FROM 10% PHENOS NEAR CHILLED PILLOW MARGINS TO 20% IN PILLOW INTERIORS, GLASSY BRECCIATED MARGINS IN PCE (1A,5,8-11), GNDMASS FINE-GRAINED TO GLASSY, SLIGHTLY COARSER GRAINED IN PILLOW INTERIORS VEINS ARE FILLED WITH SMEC+CALCITE MOD FROM 2-62CM AND 69-85CM | EXTENSIVELY 62-70CM AND 85-147CM, INTERPILLOW BRECCIA CONSISTS OF ALTERED GLASS FRAGMENTS IN A MATRIX OF DARK GREEN SMEC CONTAINING MINOR CARB+PINK ZEOLITE, PCES 1A AND 5B HAVE SMALL INCLUSIONS OF ALTERED SEDIMENT <1 1-2 SMEC,CALCITE comments : ONE LARGE VESICLE (1CM) OCCURS IN PCE 10B PLAG 8-16 <6 comments : FRESH | OL 1-2 <2 comments : ALTERED TO SMEC | CPX 1-2 <2 comments : FRESH CALCITE | SMEC OL,GLASS | ZEOLITE comments : PINK OR ANALCITE IN SPOTS (1CM) ALONG BRECCIA MARGINS, INDEX OF REFRACTION ALPHA 1.576 AND GAMMA 1.579 52 418 A 28 4 0.0 402.50 407.00 408.48 BYERLY, G. PLAG-OL-CPX PHYRIC BASALT AND BASALTIC BRECCIAPILLOW PCE 1 (3-24), 2 (27-29), 3A (33-35), 3B (35-41), 3C (42-49), 3D (50-56), 4 (59-67), 5 (70-72), 6A (76-88), 6B (89-94), 7 (97-108), 8 (111-116), 9A (119-135), 9B (136-148) PLAG-OL-CPX PHYRIC, BASALTIC BRECCIA COMPOSED OF ALTERED GLASS OCCURS MOSTLY IN PCE 3, PCE 7 CONTAINS RECRYSTALLIZED CARBONATE SEDIMENT, CLASTS ARE ALTERED GLASS AND FINE-GRAINED PILLOW MARGINS, BRECCIA COMPOSED OF ANGULAR GLASS AND BASALT FRAGMENTS IN A MATRIX OF GREEN SMEC, GNDMASS FINE GRAINED TO GLASSY SPARSE VEINS FILLED WITH SMEC+CARB SLIGHTLY | MODERATELY IN BRECCIA ZONES AND VEINS, GLASS ALTERED TO SMEC 1 SMEC,CARB PLAG 0-15 <8 comments : FRESH TO SLIGHTLY ALTERED, UNEVEN DISTRIBUTION | OL 1 <2 comments : ALTERED TO SMEC | CPX <1 <1 comments : FRESH PLAG comments : NO NEEDLES | OL comments : ALTERED SMEC OL,GLASS | CARB | ZEOLITE comments : PINK IN BRECCIA ZONES 52 418 A 28 5 0.0 402.50 408.50 409.05 BYERLY, G. PLAG-OL PHYRIC BASALTPILLOW PCE 1 (3-14), 2 (17-34), 3 (37-47), 4 (50-55) PLAG-OL PHYRIC, GNDMASS FINE-GRAINED TO GLASSY SCATTERED VEINLETS FILLED WITH SMEC+CARB+MINOR PYRITE SLIGHTLY GLASS ALTERED TO SMEC, FRESH GLASS IN PCE 1, MAJOR ALTERATION ALONG VEINS AND GLASSY PILLOW SELVAGES CORE CATCHER INCLUDES PCES 3-4 <0.5 1 CARB PLAG 10 <8 comments : FRESH | OL 2 <2 comments : ALTERED TO SMEC PLAG comments : NO NEEDLES | OL comments : ALTERED SMEC OL,GLASS | CARB | PYRITE 52 418 A 29 1 0.0 411.50 411.50 412.92 BYERLY, G. PLAG-OL MODERATELY PHYRIC BASALT AND BASALTIC BRECCIAPILLOW PCE 1 (3-7), 2 (10-13), 3 (16-21), 4 (25-27), 5A (30-40), 5B (41-48), 6A (52-60), 6B (60-68), 7 (73-84), 8 (87-103), 9 (106-120), 10 (122-129), 11A (132-138), 11B (138-142) PLAG-OL MODERATELY PHYRIC, INCIPIENT BRECCIATION IN MANY PCES, GNDMASS FINE-GRAINED TO GLASSY VEINS AND VEINLETS FILLED WITH SMEC+CARB+MINOR PYRITE, A PINKISH VEIN MINERAL IS ZEOLITE MOD PCE 4-5A, 6B-7, TOP OF 8, 9-10 | SLIGHTLY REST OF SECTION, ALTERATION CONFINED TO GLASSY SELVAGES AND VEINS <1 <1 CARB PLAG 8 <8 comments : FRESH, WHEN ALTERED BLUE GREEN | OL 1-2 <1 comments : ALTERED TO SMEC PLAG comments : NO NEEDLES | OL comments : ALTERED SMEC OL,GLASS | CARB | PYRITE | ZEOLITE comments : PINK VEIN MINERAL, REFRACTIVE INDEX IS 1.478, COLORLESS EXCEPT FOR OXIDATION ON CLEAVAGES 52 418 A 29 2 0.0 411.50 413.00 413.94 PERTSEV, N. PLAG-OL PHYRIC BASALTPILLOW PCE 1A (2-5), 1B (5-9), 2 (11-16), 3 (18-30), 4 (34-38), 5 (41-46), 6 (48-52), 7A (54-63), 7B (64-69), 8 (71-75), 9 (77-82), 10 (86-94) PLAG-OL PHYRIC, GLASSY BRECCIATED MARGINS IN PCES 2-5, GNDMASS FINE-GRAINED TO GLASSY VEINS FILLED WITH SMEC+CARB MOD GNDMASS CONVERTED TO CLAY.MINS, GLASS SELVAGES ALTERED TO SMEC 1 SMEC,CALCITE PLAG 15 <7 comments : FRESH | OL 1-2 <2 comments : ALTERED TO SMEC CLAY SMEC OL,GLASS | CALCITE | SILICA comments : THIN FILMS OF OPAL IN BRECCIA IN PCE 2 52 418 A B1 0.0 414.50 414.50 414.67 BYERLY, G. PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1 (1-17) PLAG-OL MODERATELY PHYRIC, GLASSY MARGIN AT TOP OF PILLOW, GNDMASS FINE-GRAINED TO GLASSY SEVERAL VEINS FILLED WITH SMEC+CARB SLIGHTLY GLASS ALTERED TO SMEC THIS PCE WAS FOUND IN BIT DURING BIT CHANGE AFTER CORE 29 <0.5 1 CARB PLAG 8 <5 comments : FRESH | OL 1 <1 comments : ALTERED TO SMEC OL comments : PROMINENT, ALTERED TO SMEC SMEC OL,GLASS | CARB 52 418 A 30 1 0.0 414.50 414.50 415.97 BYERLY, G. PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1 (2-26), 2 (29-36), 3 (40-47), 4A (51-58), 4B (58-70), 4C (71-82), 4D (82-88), 5A (92-100), 5B (101-109), 5C (110-118), 5D (120-130), 5E (131-147) PLAG-OL-CPX PHYRIC, GLASSY SELVAGES SCATTERED, GNDMASS FINE-GRAINED TO GLASSY THICK COMPLEX VEINS OCCUR THROUGHOUT, PCES 3-4A CONTAIN COARSELY CRYSTALLINE CARB+SMEC VEIN 15CM THICK WITH CALCITE XTLS >5MM IN DIAMETER SLIGHTLY SOME VEINS ARE OXDIZED, GLASS ALTERED TO SMEC, FRESH GLASS AT 88CM, OXIDATION OF VEINS PRODUCES BRIGHT RED AND YELLOW SMECTITES <1 SMEC comments : VUG (5CM IS DIAMETER) OCCURS AT 120CM WITH CALCITE XTLS <2CM GROWING ON WALLS PLAG 10-15 <8 comments : FRESH OR BLUE-GREEN TO YELLOW NEAR FRACTURES | OL 1 <2 comments : ALTERED TO SMEC | CPX <1 <0.5 comments : FRESH PLAG | OL SMEC OL,GLASS | CALCITE 52 418 A 30 2 0.0 414.50 416.00 417.44 RICOU, L. PLAG-OL PHYRIC BASALTPILLOW PCE 1A (2-10), 1B (11-19), 2A (21-51), 2B (51-68), 3 (71-74), 4 (76-84), 5A (86-89), 5B (90-96), 6A (98-114), 6B (114-135), 7 (139-144) PLAG-OL PHYRIC, COOLING MARGINS, GNDMASS FINE GRAINED TO GLASSY VEINS FILLED WITH SMEC+CARB+MINOR PYRITE, PCE 5A IS INTERPILLOW SPACE BETWEEN GLASSY MARGINS FILLED WITH SMEC+CARB MOD GLASS SELVAGES ALTERED TO SMEC <0.5 <1 SMEC,CALCITE ROUND | PYRITE comments : SOME IRREGULAR, FILLED WITH DARK GREEN CLAY PLAG 10 <5 comments : FRESH | OL 1 <2 comments : ALTERED TO SMEC SMEC OL,GLASS | CALCITE | PYRITE 52 418 A 30 3 0.0 414.50 417.50 418.98 RICOU, L. PLAG-OL MODERATELY TO PHYRIC BASALTPILLOW PCE 1A (2-11), 1B (12-31), 1C (30-38), 2A (40-70), 2B (70-77), 3 (80-83), 4A (86-93), 4A1 (93-101), 5A (104-108), 5B (108-117), 5C (116-121), 5D (122-131), 5E (129-144), 5F (143-148) PLAG-OL MODERATELY TO PHYRIC, PHENOS MORE ABUNDANT IN PILLOW CENTERS AND LESS ABUNDANT IN QUENCHED RIMS, GNDMASS FINE-GRAINED TO GLASSY, PCE 6 IS ONE SMALL PILLOW SHOWING XTL SETTLING WITH APHYRIC TOP, PCE 5 IS A BRECCIATED PILLOW SHOWING HOT BRECCIATION AS GLASS IS DEVELOPED ALONG NUMEROUS FRACTURES SLIGHTLYcomments: GLASS SELVAGES ALTERED TO SMEC PLAG 6-12 <5 comments : FRESH | OL 1 <2 comments : ALTERED TO SMEC SMEC OL,GLASS 52 418 A 30 4 0.0 414.50 419.00 419.83 BYERLY, G. PLAG-OL PHYRIC BASALTPILLOW PCE 1 (3-8), 2 (12-17), 3 (22-28), 4 (32-35), 5 (38-42), 6 (46-48), 7A (52-61), 7B (62-68), 8 (72-78), 9 (81-83) PLAG-OL PHYRIC, MOST FRAGMENTS HAVE GLASSY MARGIN STRUCTURE, MINOR HYALOCLASTIC BRECCIA IN PCE 7A, GNDMASS FINE-GRAINED TO GLASSY PCE 5 HAS THICK CARB+SMEC VEIN MOD ALTERATION HEAVY IN VEINS, RED AND YELLOW SMEC OCCURS THROUGHOUT, GLASS ALTERED TO SMEC PCES 8-9 ARE CORE CATCHER PLAG 10 <4 comments : FRESH OR WHERE ALTERED BLUE-GREEN TO YELLOW | OL 1 <1 comments : ALTERED TO SMEC SMEC OL,GLASS | CARB 52 418 A 31 1 0.0 422.00 422.00 423.47 BYERLY, G. PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1 (3-21), 2A (24-36), 2B (37-48), 2C (49-54), 2D (55-60), 3A (62-66), 3B (68-71), 4 (74-77), 5 (81-91), 6 (93-111), 7 (114-121), 8 (124-136), 9 (138-147) PLAG-OL-CPX PHYRIC, HYALOCLASTITE ATTACHED TO PILLOW MARGIN IN PCE 3A, MOST OF BREAKAGE IS SIMPLE COMPACTION OR PART OF ERUPTIVE PROCESS, GNDMASS IS FINE-GRAINED TO GLASSY HEAVILY VEINED AND FRACTURED PARTICULARLY IN PCE 2, VEINS FILLED WITH SMEC+CARB+MINOR PYRITE MOD GLASS ALTERED TO SMEC, ALTERATION INTENSE IN BRECCIAS AND ALONG VEINS 1 SMEC,CARB PLAG 10-15 <6 comments : YELLOW OR BLUE-GREEN ALTERATION, PROMINENT ZONESOF GLASSY INTRUSIONS | OL 1 <2 comments : ALTERED TO SMEC | CPX <1 <4 comments : SUBROUNDED, FRESH PLAG | OL CARB | SMEC OL,GLASS | PYRITE 52 418 A 31 2 0.0 422.00 423.50 424.96 PERTSEV, N. PLAG-OL PHYRIC BASALTPILLOW BRECCIA PCE 1A (2-17), 1B (17-21), 2 (24-28), 3A (32-41), 3B (42-47), 3C (48-52), 4 (55-61), 5 (64-72), 6 (74-80), 7 (83-92), 8 (93-99), 9A (102-108), 9B (108-114), 10 (116-122), 11 (125-132), 12 (134-139), 13 (142-146) PLAG-OL PHYRIC, NARROW GLASSY MARGINS IN EACH PCE, MAXIMAL THICKNESS OF SEPARATE BRECCIA ZONES IS 10CM, ANGULAR FRAGMENTS OF CRYSTALLINE BASALT AND GLASS IN A MATRIX OF DARK GREEN SMEC+CARB+MINOR PINK ZEOLITE EXTENSIVELY GLASS ALTERED TO SMEC PLAG 12-14 <7 comments : PARTLY ALTERED TO SMEC | OL 1-2 <2 comments : ALTERED TO SMEC CALCITE comments : CEMENT OF BRECCIA | SMEC OL,GLASS | ZEOLITE 52 418 A 31 3 0.0 422.00 425.00 426.32 BYERLY, G. PLAG-OL MODERATELY TO PHYRIC BASALTIC AND BASALTIC BRECCIA PCE 1 (2-10), 2 (14-25), 3 (29-39), 4A (42-47), 4B (48-55), 5 (58-65), 6 (70-79), 7 (83-88), 8 (92-96), 9 (98-100), 10 (104-108), 11 (112-117), 12A (120-127), 12B (129-131) PLAG-OL MODERATELY TO PHYRIC, BRECCIA IS HYALOCLASTITE COMPOSED OF FINE GLASSY MATRIX AND CLASTS OF GLASSY PILLOW MARGINS, GNDMASS FINE GRAINED TO GLASSY MOD GLASS ALTERED TO SMEC PCES 11-12B ARE CORE CATCHER <0.5 1-3 CARB PLAG 5-15 <5 comments : WHEN ALTERED ALONG CRACKS APPEAR BLUE-GREEN ORYELLOW | OL 1-2 <1 comments : ALTERED TO SMEC PLAG | OL CARB | SMEC OL,GLASS,PLAG | SILICA | ZEOLITE comments : PINK 52 418 A 32 CC 0.0 431.00 431.10 432.20 SWANSON, D. PLAG-OL PHYRIC BASALTPILLOW PCE 1 (3-6), 2 (9-12) PLAG-OL PHYRIC, GNDMASS FINE-GRAINED MINOR VEINS FILLED WITH SMEC MOD 1 SMEC PLAG 10 <5 comments : FRESH | OL 1 <1 comments : ALTERED TO SMEC SMEC OL 52 418 A 33 1 0.0 440.00 440.00 441.50 RICOU, L. PLAG-OL PHYRIC BASALTPILLOW PCE 1 (2-12), 2 (14-26), 3A (28-30), 3B (30-35), 3C (35-50), 3D (50-66), 3E (66-69), 4A (72-93), 4B (92-104), 5 (107-110), 6 (114-132), 7A (135-146), 7B (147-150) PLAG-OL PHYRIC, GLASSY MARGINS, LOCAL BRECCIA IN PILLOWS, GNDMASS FINE-GRAINED TO GLASSY SCATTERED VEINS FILLED WITH SMEC+CALCITE+MINOR PYRITE MOD OXIDATION ALONG FISSURES, GLASS ALTERED TO SMEC 1 CARB,SMEC comments : VUG AT 50CM FILLED WITH SMEC+CALCITE+ZEOLITE+MINOR PYRITE PLAG 10 <10 comments : PARTLY ALTERED TO SMEC AND STAINED GREEN OR BLUE-GREEN, MICROPHENOS 0.5-1MM | OL 1 <3 comments : ALTERED TO SMEC comments : CALCITE IN GNDMASS CALCITE | SMEC OL,GLASS | PYRITE | ZEOLITE 52 418 A 33 2 0.0 440.00 441.50 442.93 SWANSON, D. PLAG-OL MODERATELY PHYRIC BASALT AND BASALTIC BRECCIAPILLOW PCE 1 (3-15), 2 (18-23), 3 (25-35), 4A1 (37-38), 4A (39-46), 4B (47-60), 4C (61-67), 5 (70-75), 6A (78-93), 6B (94-105), 7A (107-119), 7B (120-128), 7C (128-136), 7D (136-143) PLAG-OL MODERATELY PHYRIC, MINOR BRECCIA OCCURS IN PCE 1 AND 4A, BRECCIA CONSISTS OF CRYSTALLINE BASALT FRAGMENTS AND ALTERED GLASS CHIPS IN A MATRIX OF GREEN SMEC+CALCITE+ZEOLITE, GLASSY RINDS ON CLASTS THROUGHOUT, GNDMASS FINE-GRAINED TO GLASSY HIGHLY FRACTURED, PILLOW INTERIORS IN PCES 2 AND 5-7 MOD GLASS ALTERED TO SMEC, BROWN OXIDATION ALONG MOST FRACTURES PLAG 7-10 <5 comments : PARTLY ALTERED TO SMEC+CARB(?) | OL 1-3 <1.5 comments : ALTERED TO SMEC CALCITE PLAG | SMEC OL,PLAG,GLASS | ZEOLITE 52 418 A 33 3 0.0 440.00 443.00 444.46 RICOU, L. PLAG-OL PHYRIC BASALT AND BASALTIC BRECCIAPILLOW PCE 1A (2-8), 1B (8-17), 1C (17-20), 1D (22-26), 2 (30-40), 3 (43-50), 4A (53-64), 4B (65-78), 4C (78-85), 5 (87-91), 6 (94-100), 7 (102-108), 8A (110-118), 8B (118-128), 8C (128-138), 8D (138-146) PLAG-OL PHYRIC, MINOR HYALOCLASTIC BRECCIA CONSISTS OF ALTERED GLASS FRAGMENTS IN A MATRIX OF GREENISH BROWN SMEC+CALCITE, GNDMASS IS VERY FINE-GRAINED TO GLASSY VEINS FILLED WITH SMEC+CALCITE+MINOR PYRITE MOD GLASS ALTERED TO SMEC, OXIDATION ALONG FISSURES AND VEINS <1 <1 CALCITE ROUND PLAG 10 <8 comments : PARTLY ALTERED TO BLUE-GREEN SMEC | OL 1 <6 comments : ALTERED TO SMEC PLAG comments : NEEDLES 0.5-1MM SMEC OL,PLAG,GLASS | CALCITE | PYRITE 52 418 A 33 4 0.0 440.00 444.50 445.99 BYERLY, G. PLAG-OL PHYRIC BASALTPILLOW PCE 1A (2-13), 1B (14-27), 2A (30-39), 2B (40-47), 2C (48-57), 2D (58-65), 3 (68-77), 4 (80-82), 5 (85-89), 6A (92-101), 6B (102-109), 6C (110-121), 6D (122-134), 6E (135-141), 6F (142-146), 6G (147-149) PLAG-OL PHYRIC, SOME GLASSY SELVAGES, GNDMASS FINE GRAINED TO GLASSY VEINS ARE FILLED WITH SMEC+CARB AND PYRITE (IN UNOXIDIZED VEINS) MOD GLASS ALTERED TO SMEC, MORE ALTERATION NEAR VEINS AND GLASSY SELVAGES <0.5 1 CARB,SMEC PLAG 10-15 <8 comments : FRESH OR GREEN TO YELLOW | OL 1 <1 comments : ALTERED TO SMEC PLAG | OL SMEC OL,PLAG,GLASS | CARB | PYRITE 52 418 A 33 5 0.0 440.00 446.00 447.47 RICOU, L. PLAG-OL PHYRIC BASALTPILLOW PCE 1A (3-8), 1B (8-15), 1C (15-24), 2 (26-57), 3 (60-64), 4A (68-84), 4B (85-89), 4C (90-99), 4D (100-110), 4E (111-118), 4F (119-136), 4G (136-147) PLAG-OL PHYRIC, GLASS SELVAGES, GNDMASS FINE- GRAINED TO GLASSY VEINS FILLED WITH SMEC+CALCITE, SPHERULES OF GREEN CLAY FILLING THICK IRREGULAR VEIN IN PCE 4E-F MODERATELY GLASS ALTERED TO SMEC, OXIDATION ALONG VEINS <0.2 <1 SMEC,CALCITE ROUND | PYRITE comments : SOME IRREGULAR PLAG 10 <5 comments : FRESH OR STAINED YELLOW OR GREEN | OL 1-2 <2 comments : ALTERED TO SMEC comments : MOTTLED IN PCE 2 DUE TO PHENOS DISTRIBUTION SMEC OL,PLAG,GLASS | CALCITE | PYRITE 52 418 A 33 6 0.0 440.00 447.50 448.95 BYERLY, G. PLAG-OL PHYRIC BASALTPILLOW PCE 1 (3-11), 2 (14-19), 3A (23-31), 3B (32-36), 4 (42-49), 5A (53-62), 5B (64-74), 6A (77-87), 6B (88-99), 7 (103-106), 8 (109-116), 9A (119-127), 9B (129-136), 10 (140-145) PLAG-OL PHYRIC, VERY THICK SMEC RIMS TO PILLOWS INCLUDING A 5CM PCE (PCE 2) MAY REPRESENT IN SITU HYALOCLASTITE OR BRECCIA, GNDMASS FINE-GRAINED TO GLASSY VEINS FILLED WITH SMEC+CARB SLIGHTLY GLASS ALTERED TO SMEC, HEAVILY OXIDIZED NEAR VEINS AND FRACTURES <0.5 1 CARB,SMEC PLAG 10 <4 comments : USUALLY FRESH OR STAINED YELLOW OR GREEN | OL 1 <2 comments : ALTERED TO SMEC comments : PHENOS UNEVENLY DISTRIBUTED WITHIN PILLOWS PLAG comments : NEEDLES | OL SMEC OL,PLAG,GLASS | CARB | SILICA | ZEOLITE 52 418 A 33 7 0.0 440.00 449.00 449.21 BYERLY, G. PLAG-OL PHYRIC BASALTPILLOW PCE 1A (3-8), 1B (9-14), 1C (14-21) PLAG-OL PHYRIC, GLASSY SELVAGES, GNDMASS FINE- GRAINED TO GLASSY MOD QUITE OXIDIZED <0.5 1 SMEC,CARB PLAG 10 <6 comments : FRESH OR BLUE-GREEN TO YELLOW TO BLACK ALTERATION | OL 1 <2 comments : ALTERED TO SMEC PLAG | OL SMEC OL,PLAG,GLASS | CARB 52 418 A 34 1 0.0 449.00 449.00 450.44 BYERLY, G. PLAG-OL PHYRIC BASALTPILLOW PCE 1 (3-11), 2A (14-25), 2B (26-35), 2C (35-39), 2D (40-55), 2E (56-82), 2F (83-105), 2G (106-120), 2H (121-136), 2I (137-144) PLAG-OL PHYRIC, GLASS SELVAGES, GNDMASS FINE-GRAINED TO GLASSY TWO PILLOWS (1-2B) AND (2C-2I), VEINS FILLED WITH SMEC + PYRITE, PCE 2I IS AN ALTERED PILLOW MARGIN WITH 5CM THICK VEIN OF SMEC + CARB ATTACHED MOD GLASS ALTERED TO SMEC + ZEOLITE, HALF OF THE VEINS OXIDIZED TO RED AND YELLOW SMEC WHILE OTHER HALF GREEN SMEC + PYRITE <0.5 1 SMEC,CARB PLAG 8-10 <6 comments : FRESH OR STAINED GREEN TO YELLOW TO BLACK | OL 2 <2 comments : ALTERED TO SMEC PLAG | OL SMEC OL,PLAG,GLASS | CARB | PYRITE 52 418 A 34 2 0.0 449.00 450.50 451.91 BYERLY, G. PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1A (2-11), 1B (12-16), 1C (13-16), 2A (20-24), 2B (25-30), 3 (34-61), 4 (65-69), 5A (74-80), 5B (80-92), 5C (93-117), 5D (112-132), 5E (133-141) PLAG-OL MODERATELY PHYRIC, THICK GLASSY SELVAGES OCCUR IN PCE 1A AND 5A, GNDMASS FINE-GRAINED TO GLASSY VEINS FILLED WITH SMEC+CARB+PYRITE SLIGHTLYcomments: GLASS ALTERED TO SMEC, MORE ALTERATION ALONG VEINS AND GLASSY SELVAGES <0.5 1 SMEC,CARB PLAG 8-10 <6 comments : FRESH OR STAINED YELLOW TO GREEN TO BLACK | OL 1 <1.5 comments : ALTERED TO SMEC PLAG | OL SMEC OL,PLAG,GLASS | CARB | PYRITE 52 418 A 34 3 0.0 449.00 452.00 453.50 BYERLY, G. PLAG-OL-CPX PHYRIC BASALT AND BASALTIC BRECCIAPILLOW PCE 1A (2-16), 1B (16-20), 2 (23-28), 3A (32-38), 3B (39-48), 4A (52-56), 4B (56-64), 5 (66-72), 6A (74-78), 6B (79-81), 7A (84-92), 7B (93-95), 8 (98-106), 9 (109-114), 10 (118-121), 11A (123-130), 11B (130-141), 11C (142-150) PLAG-OL-CPX PHYRIC, HYALOCLASTITE BRECCIA WITH VERY FINE PILLOW MARGINS QUENCHED AGAINST THEM, GNDMASS FINE-GRAINED TO GLASSY, BRECCIA CONSISTS OF CRYSTALLINE BASALT AND ALTERED SIDEROMELANE FRAGMENTS IN A MATRIX OF DARK GREEN SMEC + CARB + ZEOLITE SLIGHTLYcomments: FRESH GLASS AT 20CM, ALTERATION MOSTLY CONFINED TO VEINS AND BRECCIAS PLAG 10 <6 comments : FRESH OR STAINED YELLOW TO GREEN TO BLACK | OL 1 <4 comments : ALTERED TO SMEC | CPX <1 <2 comments : SUBHEDRAL, FRESH PLAG | OL SMEC OL,PLAG,GLASS | CARB | ZEOLITE 52 418 A 34 4 0.0 449.00 453.50 454.80 PERTSEV, N. PLAG-OL PHYRIC BASALT AND BASALTIC BRECCIAPILLOW PCE 1A (2-13), 1B (13-20), 2 (23-27), 3 (31-35), 4 (37-42), 5 (44-48), 6 (51-55), 7A (58-66), 7B (67-70), 8A (72-83), 8B (84-91), 9A (93-103), 9B (103-114), 10 (116-120), 11 (123-130) PLAG-OL PHYRIC, BRECCIATED GLASSY MARGINS IN PCES 2-7 AND 8B-11, GNDMASS FINE-GRAINED TO GLASSY VEINS FILLED WITH CALCITE + SMEC EXTENSIVELY GLASS ALTERED TO SMEC <5 2-3 CALCITE,SMEC ROUND comments : SOME IRREGULAR PLAG 10 <5 comments : FRESH | OL 3-4 <1 comments : ALTERED TO SMEC (LIGHT GREEN) SMEC OL,GLASS | CALCITE | ZEOLITE comments : MORDENITE <1% 52 418 A 34 5 0.0 449.00 455.00 456.43 BRYAN, W. PLAG-OL MODERATELY PHYRIC BASALT AND BASALTIC BRECCIAPILLOW PCE 1A (2-12), 1B (11-18), 1C (18-25), 2A (27-34), 2B (35-46), 2C (46-54), 3 (56-65), 4 (67-74), 5 (77-80), 6A (82-92), 6B (92-102), 6C (101-108), 6D (109-119), 6E (120-125), 7 (128-130), 8 (135-142) PLAG-OL MODERATELY PHYRIC, BRECCIA CONSISTS OF CRYSTALLINE BASALT AND ALTERED SIDEROMELANE FRAGMENTS IN A MATRIX OF DARK GREEN SMEC + CARB, GNDMASS APHANITIC VARIOLITIC VEINS FILLED WITH SMEC + CARB, HIGHLY FRACTURED MOD BROWNISH ALTERATION ALONG FRACTURES PLAG 5 <2 comments : STAINED AND ALTERED TO SMEC, SUBHEDRAL OR ROUND | OL 1 <2 comments : ALTERED TO SMEC SMEC OL,GLASS | CARB 52 418 A 34 6 0.0 449.00 456.50 456.95 PERTSEV, N. PLAG-OL MODERATELY PHYRIC BASALT AND BASALTIC BRECCIAPILLOW PCE 1A (2-14), 1B (14-25), 1C (25-45) PLAG-OL MODERATELY PHYRIC, BRECCIA ALONG AXIS OF CORE, GNDMASS FINE-GRAINED A LARGE VEIN ALONG SIDE OF CORE IS FILLED WITH SMEC AND CALCITE MODERATELY CORE CATCHER PART OF THIS SECTION <3 3 CALCITE,SMEC PLAG 5-7 <7 comments : FRESH | OL 1 <1 comments : ALTERED TO SMEC LIGHT GREEN OR BROWN PLAG comments : FRESH MICROLITES SMEC OL | CALCITE 52 418 A 35 1 0.0 458.00 458.00 459.44 BRYAN, W. PLAG-OL MODERATELY PHYRIC BASALT AND BASALTIC BRECCIA PCE 1 (2-8), 2 (11-13), 3A (16-28), 3B (28-33), 3C (33-42), 3D (42-51), 3E (52-56), 3F (57-65), 4 (68-84), 5 (87-92), 6 (93-96), 7 (98-105), 8 (107-111), 9A (113-121), 9B (121-125), 9C (125-132), 9D (132-137), 9E (137-144) PLAG-OL MODERATELY PHYRIC, BRECCIA CONSISTS OF APHANITIC BASALT FRAGMENTS IN A MATRIX OF CARB + SMEC, BRECCIATION MINOR IN PCES 1-3 BUT INCREASES TOWARD BOTTOM OF SECTION, PCES 3E-4 HAVE SMALL BRECCIA REGIONS WHILE PCES 4-7 ARE PREDOMINANTLY BRECCIA, PCE 8 IS APHANITIC, VARIOLITIC BASALT OUT OF BRECCIA, GNDMASS FINELY CRYSTALLINE TO APHANITIC SPARSE VEINLETS FILLED WITH CARB + SMEC, FRACTURES COMMON MOD BROWN ALTERATION COMMON AROUND FRACTURES, VEINS AND BRECCIA MATRIX PLAG 5 <3 comments : PARTLY ALTERED TO SMEC, SUBHEDRAL | OL 1 <3 comments : ALTERED TO SMEC, LARGE EUHEDRAL OR SMALLERSUBHEDRAL SMEC OL,PLAG | CARB 52 418 A 35 2 0.0 458.00 459.50 460.93 BYERLY, G. PLAG-OL MODERATELY PHYRIC BASALT AND BASALTIC BRECCIAPILLOW PCE 1 (2-9), 2 (12-16), 3A (18-27), 3B (29-36), 4 (41-43), 5A (47-54), 5B (55-61), 5C (62-70), 5D (70-84), 5E (85-92), 6 (95-103), 7A (107-116), 7B (117-127), 7C (128-136), 8 (140-143) PLAG-OL MODERATELY PHYRIC, BRECCIAS ARE BROKEN PILLOW FRAGMENTS OR HYALOCLASTITES IN WHICH GLASS IS NOT ALTERED TO SMEC, GNDMASS VERY FINE-GRAINED TO GLASSY, BRECCIAS PROBABLY IN SITU, (PILLOW BRECCIAS OR HYALOCLASTITES FORMED DURING ERUPTION) VEINS COMMON THROUGHOUT FILLED WITH SMEC + CARB MOD BROWN OR YELLOW COLOR DUE TO OXIDATION PLAG 8 <6 | PARTLY ALTERED TO SMEC | OL 1 <2 comments : ALTERED TO SMEC | CPX 0 PLAG | OL SMEC OL,PLAG | CARB 52 418 A 35 3 0.0 458.00 461.00 462.32 PERTSEV, N. PLAG-OL MODERATELY PHYRIC BASALT AND BASALTIC BRECCIAPILLOW PCE 1 (2-10), 2 (13-17), 3A (21-31), 3B (31-39), 3C (40-48), 3D (50-53), 4 (57-67), 5 (69-87), 6 (91-98), 7 (100-106), 8A (109-118), 8B (118-125), 9 (128-132) PLAG-OL MODERATELY PHYRIC, BRECCIA CONSISTS OF BROKEN PILLOW FRAGMENTS IN WHICH GLASS IS ALTERED TO SMEC, GNDMASS APHANITIC TO GLASSY, BRECCIA MARGINS IN PCES (2,3A,3D,4,6,7,8) VEINS LOCALLY PRESENT FILLED WITH SMEC IN PCES 1 AND 4 AND 6 EXTENSIVELY BROWN ALONG VEINS DUE TO HIGH OXIDATION <1 1 SMEC,CALCITE PLAG 7 <6 comments : PARTLY ALTERED TO SMEC | OL 1 <2 comments : ALTERED TO SMEC SMEC OL,PLAG | CALCITE GLASS | SILICA GLASS | ZEOLITE GLASS | MORDENIT GLASS 52 418 A 35 4 0.0 458.00 462.50 463.97 BYERLY, G. PLAG-OL PHYRIC BASALTPILLOW PCE 1 (2-22), 2 (25-34), 3A (38-46), 3B (47-50), 3C (51-58), 3D (59-64), 3E (65-71), 3F (72-99), 3G (100-108), 3H (109-111), 4 (115-121), 5 (125-131), 6 (135-138), 7 (143-147) PLAG-OL PHYRIC, GNDMASS FINE-GRAINED TO GLASSY MOD ZEOLITES FOUND IN ALTERED GLASSY RINDS, BROWN ALONG FRACTURES <0.5 1 SMEC,CARB PLAG 10-15 <8 comments : LOCALLY DISCOLORED TO BLUE-GREEN TO YELLOW TOBROWN | OL 1 <2 comments : ALTERED TO SMEC | CPX 0 PLAG | OL SMEC OL,PLAG,GLASS | CARB | ZEOLITE GLASS 52 418 A 35 5 0.0 458.00 464.00 465.01 BYERLY, G. PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1A (3-10), 1B (11-20), 1C (21-27), 2 (32-48), 3 (52-73), 4 (76-84), 5 (88-91), 6 (94-101) PLAG-OL-CPX PHYRIC, GNDMASS FINE-GRAINED TO GLASSY MOD 1 SMEC,CARB PLAG 10 <8 comments : STAINED YELLOW TO GREEN TO BROWN | OL 1 <3 comments : ALTERED TO SMEC | CPX <1 <1 comments : SUBHEDRAL, FRESH SMEC OL,PLAG | CARB GLASS | ZEOLITE GLASS | SILICA GLASS 52 418 A 36 1 0.0 467.00 467.00 468.44 RICOU, L. PLAG-OL MODERATRELY PHYRIC BASALTPILLOW PCE 1A (2-16), 1B (17-25), 2 (29-35), 3 (38-48), 4 (50-55), 5A (58-67), 5B (68-75), 6 (77-81), 7 (84-88), 8 (91-101), 9 (104-107), 10A (110-118), 10B (118-125), 10C (124-131), 11 (134-144) PLAG-OL MODERATELY PHYRIC, MINOR BRECCIATION IN PCE 3, GNDMASS FINE-GRAINED TO GLASSY VEINLETS SCATTERED THROUGHOUT FILLED WITH SMEC + CALCITE, APPARENT FISSURES MOD PCES 6-9 | EXTENSIVELY REST OF SECTION, VEINS HIGHLY OXIDIZED, BROWN STAINING ALONG FRACTURES AND VEINLETS 1 SMEC,CALCITE comments : PCE 1, RARE ELSEWHERE PLAG 5 <10 comments : FRESH | OL 1 <1 comments : ALTERED TO SMEC PLAG comments : LATHS, MICROPHENOS SMEC OL | CALCITE 52 418 A 36 2 0.0 467.00 468.50 470.00 SWANSON, D. PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1A (3-15), 1B (15-23), 2 (26-42), 3 (45-48), 4A (51-67), 4B (67-84), 4C (85-95), 5A (97-124), 5B (125-150) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-GRAINED TO GLASSY WITH BLOTCHY TEXTURE IN PCE 4 VEINS FILLED WITH CARB + SMEC + ZEOLITE MOD BROWN STAINING IN PCE 5, GLASSY SELVAGES ALTERED TO SMEC, OXIDATION ALONG VEINS <1 1 CALCITE,ZEOLITE comments : CALCITE FILLED VUG OCCURS IN PCE 5B PLAG 5-8 <4 comments : FRESH | OL 1 <1 comments : ALTERED TO SMEC SMEC OL,GLASS | CALCITE | ZEOLITE 52 418 A 36 3 0.0 467.00 470.00 471.46 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1 (2-10), 2A (13-19), 2B (20-40), 2C (44-47), 3A (49-61), 3B (61-70), 3C (71-79), 3D (80-89), 3E (90-92), 4 (95-101), 5A (104-117), 5B (118-125), 6A (128-136), 6B (129-146) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-GRAINED TO GLASSY AND MOTTLED IN PCE 6 NUMEROUS VEINS FILLED WITH BROWN AND GREEN SMEC AND CALCITE, INCREASING NUMBER AND SIZE OF VEINS LEAD TO BRECCIA IN PCE 2A BY CLOSE FRACTURING WITH NO ROTATION MOD PCES (1,2B, 3A-3D, 4-5A, 6B) | EXTENSIVELY REST OF SECTION, OXIDATION AND BROWN STAINING ALONG VEINS <1 <1 CALCITE PLAG 6 <6 comments : FRESH | OL 1-2 <5 comments : ALTERED TO SMEC | CPX 0 SMEC OL,GLASS | CALCITE | PYRITE comments : PCE 6 52 418 A 36 4 0.0 467.00 471.50 472.97 BYERLY, G. PLAG-OL PHYRIC BASALTPILLOW PCE 1A (3-17), 1B (18-27), 1C (28-35), 1D (36-84), 1E (84-94), 2 (98-104), 3 (108-115), 4A (118-127), 4B (128-135), 5 (139-147) PLAG-OL PHYRIC, GNDMASS FINE-GRAINED TO GLASSY SLIGHTLY BROWN STAINING IN PCES 3-4, ALTERATION INTENSE IN PCES 2-4 1 SMEC,CARB PLAG 10 <6 comments : SLIGHTLY DISCOLORED OTHERWISE FRESH | OL 1 <2 comments : ALTERED TO SMEC | CPX 0 PLAG | OL SMEC OL,GLASS | CARB GLASS | ZEOLITE GLASS 52 418 A 36 5 0.0 467.00 473.00 474.41 SWANSON, D. PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1A (3-5), 1B (6-8), 2A (11-17), 2B (18-24), 3A (27-35), 4 (38-40), 5 (43-50), 6 (52-63), 7A (65-76), 7B (76-77), 8A (80-90), 8B (91-93), 8C (94-111), 8D (112-122), 8E (122-128), 9 (132-141) PLAG-OL MODERATELY PHYRIC, MINOR INTERPILLOW BRECCIA OCCURS ON TOP OF PCE 8, SOME GLASSY SELVAGES VEINS FILLED WITH SMEC + CALCITE + ZEOLITE, HIGHLY FRACTURED SLIGHTLY BROWN STAINING ALONG FRACTURES ESPECIALLY PCES 1-3, VEINS OXIDIZED CORE CATCHER IS PCE 9 <1 <1 SMEC PLAG 5-8 <4 comments : FRESH | OL 1 <1 comments : ALTERED TO SMEC SMEC OL,GLASS | CALCITE | ZEOLITE 52 418 A 37 1 0.0 476.00 476.00 477.47 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1 (4-8), 2 (12-20), 3 (24-27), 4 (30-52), 5 (55-60), 6 (62-68), 7 (72-84), 8A (86-96), 8B (95-103), 8C (104-111), 8D (112-131), 8E (130-133), 9 (137-147) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-GRAINED TO GLASSY, GLASSY RIMS USUALLY REPLACED IN SITU BY SMEC ARE MOSTLY WASHED OUT NUMEROUS VEINLETS PRESENT FILLED WITH SMEC + CALCITE EXTENSIVELY BASALT MOSTLY BROWN AND RED DUE TO OXIDATION, VEINS OXIDIZED PLAG 5 <8 comments : 50% FRESH - REMAINDER MILKY GREEN OR WHITE comments : OFTEN CHALKY | OL 1 <1 comments : ALTERED TO SMEC SMEC OL,GLASS | CALCITE | FE.OX GROUNDMASS 52 418 A 37 2 0.0 476.00 477.50 478.28 SWANSON, D. PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1A (2-12), 1B (13-16), 2 (18-30), 3A (32-44), 3B (45-49), 3C (50-57), 3D (58-66), 4 (68-77) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-GRAINED TO GLASSY, SOME MICROBRECCIA NUMEROUS VEINLETS FILLED WITH CARB + IRON OXIDES + SMEC AND QUARTZ, NOTABLE VEIN IN PCE 2 EXTENSIVELY REDDISH BROWN DUE TO OXIDATION, VEINS HIGHLY OXIDIZED PLAG 5-8 <5 comments : MILKY AND SOFT | OL 1 <1.5 comments : ALTERED TO SMEC PLAG comments : NEEDLE-LIKE SMEC OL,GLASS | CALCITE | FE.OXIDE | QUARTZ 52 418 A 38 1 0.0 479.50 479.50 481.00 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALT AND BASALTIC BRECCIAPILLOW PCE 1A (2-3), 1B (4-6), 1C (7-10), 1D (8-9), 1E (12-15), 2A (18-22), 2B (21-36), 2C (37-47), 3A (49-74), 3B (75-88), 3C (88-94), 4A (97-114), 4B (115-132), 4C (130-150) PLAG-OL MODERATELY PHYRIC, HYALOCLASTIC INTERPILLOW BRECCIA IN PCE 1-4, GNDMASS FINE-GRAINED TO GLASSY MOD BROWN STAINING ALONG FRACTURES ALTERED SEDIMENT IN PCE 1 CONSISTS OF BANDED CALCITE AND FINE LAYERED SANDSTONE WITH GLASS BRECCIA <1 SMEC,CALCITE ROUND comments : SOME FE.OXIDE FILLING AND IRREGULAR SHAPES, PCES 4A-B PLAG 5 <8 comments : SOMEWHAT CHALKY | OL 1 <2 comments : ALTERED TO SMEC + FE.OXIDE SMEC OL,GLASS | FE.OXIDE OL | CALCITE | ZEOLITE comments : PINK IN GLASS BRECCIA 52 418 A 38 2 0.0 479.50 481.00 482.46 SWANSON, D. PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1 (4-8), 2A (11-22), 2B (23-34), 2C1 (35-37), 2C (34-44), 3A (47-60), 3B (61-79), 3C (80-93), 4A (97-106), 4B (107-121), 4C (121-141), 4D (142-146) PLAG-OL MODERATELY PHYRIC, GLASS AT BASE OF PCE 4D, GNDMASS FINE-GRAINED TO GLASSY VEINLETS FILLED WITH CALCITE + SMEC + QUARTZ, FRACTURES PRESENT EXTENSIVELY MINOR STAINING ALONG FRACTURES, OXIDATION ALONG VEINS, ALTERATION IS RATHER STRONG <1 1 SMEC,CALCITE comments : QUARTZ FILLED VUG OCCURS IN PCES 2A-B PLAG 4-8 <4 comments : PARTLY ALTERED TO GREEN SMEC | OL 1 <1.5 comments : ALTERED TO SMEC PLAG comments : NEEDLES SMEC OL,GLASS | CALCITE | QUARTZ 52 418 A 38 3 0.0 479.50 482.50 483.89 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1A (2-34), 1B (35-51), 2A (58-66), 2B (67-78), 3 (80-85), 4 (87-95), 5 (97-110), 6 (114-116), 7 (120-138) PLAG-OL MODERATELY PHYRIC, GLASS BRECCIA IN PCE 2A HAS MATRIX OF SMEC + ZEOLITE, GNDMASS FINE-GRAINED TO GLASSY, FRESH GLASS LOCALLY PRESERVED VEINS FILLED WITH SMEC + CALCITE + FE.OXIDE MOD <0.5 1 CALCITE ROUND comments : <1% IN PCE 1B AND 5 PLAG 5 <5 comments : OFTEN STAINED GREEN | OL 1 <1 comments : ALTERED TO SMEC + FE.OXIDE SMEC OL,GLASS | CALCITE | ZEOLITE comments : IN SMEC CEMENT OF GLASS BRECCIA IN #2A 52 418 A 38 4 0.0 479.50 484.00 485.36 SWANSON, D. PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1A (4-11), 1B (12-20), 1C (20-38), 1C1 (38-40), 1D (41-46), 2 (48-55), 3 (58-66), 4 (68-73), 5A (75-84), 5B (83-95), 6 (98-101), 7 (104-110), 8 (113-119), 9 (122-127), 10 (130-136) PLAG-OL MODERATELY PHYRIC, MINOR ALTERED HYALOCLASTIC BRECCIA OCCURS IN PCE 2, GNDMASS MEDIUM-GRAINED TO GLASSY, PCE 1 SHOWS DOWNWARD INCREASE IN GRAIN SIZE FROM MEDIUM-GRAINED AT 28CM TO VERY FINE-GRAINED AT 45CM VEINLETS FILLED WITH SMEC + MINOR QUARTZ MOD MINOR OXIDATION ALONG VEINS <1 1 SMEC,CALCITE PLAG 3-8 <6 comments : SOME ALTERED TO SMEC | OL 1 <1.5 comments : ALTERED TO SMEC SMEC OL,GLASS | CALCITE comments : PCE 8, OTHERWISE VERY LITTLE IN SECTION | QUARTZ comments : ONE QUARTZ VEIN AT TOP OF PCE 10 52 418 A 38 5 0.0 479.50 485.50 486.99 PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1A (2-15), 1B (15-23), 2 (25-30), 3A (32-38), 3B (38-41), 4 (45-54), 5 (57-61), 6 (65-72), 7 (75-79), 8A (82-91), 8B (92-104), 8B1 (92-101), 9A (107-109), 9B (111-114), 10 (115-133), 11 (134-140), 12 (142-149) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-GRAINED TO GLASSY VEINLETS FILLED WITH CARB + SMEC, PILLOW MARGINS IN PCES 2-4 MOD BROWN STAINING ALONG FRACTURES AND VEINLETS <0.5 1 SMEC,CARB PLAG 5-7 <6 comments : FRESH | OL 1 <1 comments : ALTERED TO SMEC | CPX 0 SMEC OL,GLASS | CARB 52 418 A 38 6 0.0 479.50 487.00 487.82 BYERLY, G. PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1 (3-11), 2 (15-24), 3 (28-35), 4 (39-41), 5 (44-53), 6 (57-64), 7 (68-75), 8 (80-82) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-GRAINED TO GLASSY, GLASSY RINDS VEINLETS FILLED WITH SMEC + CARB MOD BROWN STAINING ALONG FRACTURES CORE CATCHER IS PCES 7-8 <0.5 1 SMEC,CARB PLAG 7 <6 comments : COMMONLY STAINED YELLOW TO BLACK TO BLUE-GREEN | OL 1 <3 comments : ALTERED TO SMEC | CPX 0 PLAG | OL SMEC OL,GLASS | CARB 52 418 A 39 1 0.0 488.50 488.50 489.98 BYERLY, G. PLAG-OL PHYRIC BASALTPILLOW PCE 1 (4-6), 2 (9-17), 3 (21-40), 4 (44-58), 5 (62-67), 6 (71-77), 7 (80-92), 8 (95-101), 9 (104-113), 10 (115-129), 11A (133-142), 11B (145-148) PLAG-OL PHYRIC, GNDMASS FINE-GRAINED TO GLASSY VEINS AND CRACKS PRESENT SLIGHTLY ALTERATION TO SMEC ALONG VEINS OR CRACKS PLAG 10 <4 comments : OFTEN STAINED BLACK TO GREEN TO YELLOW | OL 1 <1.5 comments : ALTERED TO SMEC | CPX 0 PLAG comments : NEEDLES | OL SMEC OL,GLASS | CARB | ZEOLITE | SILICA | PYRITE comments : PCES 9-10 52 418 A 39 2 0.0 488.50 490.00 490.47 PERTSEV, N. PLAG-OL PHYRIC BASALTPILLOW PCE 1 (2-31), 2A (33-38), 2B (37-47) PLAG-OL PHYRIC, TOP OF SECTION HAS GLASSY MARGIN, GNDMASS FINE-GRAINED TO GLASSY THIN VEINLETS IN PCE 1 MOD MINOR BROWN STAINING ALONG OXIDIZED VEINS, GLASS FRAGMENTS OF BASALT BADLY ALTERED IN BRECCIA ZONE <1 1-2 SMEC,CALCITE PLAG comments : MICROLITES, FRESH | OL SMEC OL,GLASS | CALCITE GLASS | ZEOLITE GLASS 52 418 A 40 1 0.0 497.50 497.50 498.98 PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1A (2-3), 1B (3-5), 1C (5-8), 2A (11-29), 2B (30-38), 3 (41-43), 4A (46-66), 4B (67-77), 5 (79-83), 6A (84-94), 6B (94-114), 6C (115-139), 6D (140-148) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-GRAINED TO GLASSY VEINLETS FILLED WITH SMEC + CARB, ONE LARGE VEIN PRESENT IN PCE 4, PILLOW MARGINS ON TOP OF 6A AND BOTTOM OF 6D MOD BROWN STAINING ALONG FRACTURES ESPECIALLY PCE 6 RED CHERT IN PCE 1, SEE THIN SECTION DESCRIPTION 2 SMEC,CARB comments : MOSTLY PCE 4 PLAG 7 <4 comments : SOME STAINED BLUE OR GREEN | OL 1 <2 comments : ALTERED TO SMEC SMEC OL,GLASS | CARB 52 418 A 40 2 0.0 497.50 499.00 500.50 SWANSON, D. PLAG-OL PHYRIC BASALTPILLOW PCE 1A (3-12), 1B (12-18), 2A (20-32), 2B (33-37), 2C (37-51), 2D (51-69), 2E (70-76), 3A (78-96), 3B (97-105), 3C (106-129), 3D (130-142), 3E (142-150) PLAG-OL PHYRIC, PILLOW BRECCIA CONSISTING OF GLASSY AND OXIDIZED LITHIC BASALT FRAGMENTS IN A DARK GREEN MATRIX OF GLASS ALTERED TO SMEC OCCURS IN PCES 1-2D AND 3D-E, GNDMASS FINE-GRAINED TO GLASSY VEINS FILLED WITH CALCITE + WHITE ZEOLITE (?) MOD BROWN OXIDIZED CLASTS IN BRECCIA AND BROWN STAINING ALONG FRACTURES <1 <1 CALCITE comments : CALCITE-FILLED VUG IN PCE 3A PLAG 10 <4 comments : PARTLY ALTERED TO CHALKY WHITE CLAY | OL 1 <1 comments : ALTERED TO SMEC SMEC OL,GLASS | CALCITE | ZEOLITE comments : ID ZEOLITE UNCERTAIN 52 418 A 40 3 0.0 497.50 500.50 500.97 PLAG-OL MODERATELY PHYRIC BASALT PCE 1A (2-19), 1B (20-37), 1C (38-47) PLAG-OL MODERATELY PHYRIC, BRECCIA IN PCE 1C CONSISTS OF LITHIC BASALT FRAGMENTS IN A MATRIX OF ALTERED GLASS, GNDMASS FINE-GRAINED TO GLASSY VEINS AND VEINLETS FILLED WITH SMEC + CARB, LATERAL PILLOW MARGIN IN PCES 1A-B SLIGHTLY PCE 1C IS CORE CATCHER <1 SMEC,CARB PLAG 5 <5 comments : FRESH | OL 1 <1 comments : ALTERED TO SMEC AND CALCITE comments : MINOR SULFIDE OCCURS IN PCE 1B SMEC OL,GLASS | CARB OL 52 418 A 41 1 0.0 498.50 498.50 500.00 SWANSON, D. PLAG-OL PHYRIC BASALTPILLOW BASALT BRECCIA PCE 1A (3-4), 1B (4-5), 2 (7-15), 3 (17-24), 4A (26-44), 4B (45-52), 4C (52-66), 4D (66-70), 5 (72-86), 6 (87-91), 7 (93-104), 8A (106-119), 8B (120-135), 8B1 (132-136), 8C (137-150) PLAG-OL PHYRIC, BRECCIA MATRIX CONSISTS OF DARK GREEN SMEC BY ALTERATION OF GLASS, GNDMASS OF CLASTS IS FINE-GRAINED TO GLASSY MOD <1 CALCITE PLAG 12-15 <6 comments : FRESH | OL 1 <1.5 comments : ALTERED TO SMEC SMEC OL,GLASS | CALCITE 52 418 A 41 2 0.0 498.50 500.00 501.47 PLAG-OL PHYRIC BASALTIC BRECCIAPILLOW PCE 1A (2-16), 1B (16-39), 1C (40-47), 1D (47-55), 1E (56-64), 1F (64-76), 1G (77-84), 1G1 (84-86), 2A (90-104), 2B (105-116), 2C (117-121), 3 (124-127), 4A (130-136), 4A1 (131-136), 4B (137-147) PLAG-OL PHYRIC, BRECCIA MATRIX IS DARK GREEN SMEC BY ALTERATION OF GLASS, GNDMASS OF CLASTS IS VERY FINE-GRAINED EXTENSIVELY CLASTS ARE ANGULAR AND RANGE FROM A FEW MM TO 30CM ACROSS PLAG 10 <5 | OL 1-2 <1 comments : ALTERED TO SMEC SMEC 52 418 A 41 3 0.0 498.50 501.50 502.97 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALTIC BRECCIAPILLOW PCE 1 (2-14), 2A (17-42), 2B (42-57), 2C (57-71), 3A (73-87), 3B (87-103), 3C (104-109), 3D (110-117), 3E (116-134), 4 (136-147) PLAG OL MODERATELY PHYRIC, BRECCIA MATRIX IS DARK GREEN SMEC BY ALTERATION OF GLASS, GNDMASS FINE- GRAINED TO VERY FINE-GRAINED, PIECE OF PILLOW WITH GLASS MARGIN IN PCE 3E VEINS AND VEINLETS FILLED WITH CALCITE + SMEC, PYRITE IN PCE 3 SLIGHTLY BRECCIA CLASTS, CLASTS ARE LITHIC BASALT AND GLASS | EXTENSIVELY BRECCIA MATRIX <1 CALCITE,SMEC | QUARTZ comments : CALCITE-FILLED VUGS IN PCE 2A PLAG 5 <6 comments : FRESH | OL 1 <1 comments : ALTERED TO SMEC SMEC OL,GLASS | CALCITE | PYRITE 52 418 A 41 4 0.0 498.50 503.00 504.48 SWANSON, D. PLAG-OL PHYRIC BASALTIC BRECCIAPILLOW PCE 1A (3-12), 1B (12-21), 1C (22-29), 1D (29-43), 2A (46-57), 2B (60-73), 2C (74-81), 4A (84-95), 4B (96-105), 5A (108-117), 5B (117-124), 6 (127-140), 7A (143-144), 7B (144-145), 7C (145-146), 7D (147-148) PLAG-OL PHYRIC, BRECCIA MATRIX CONSISTS OF DARK GREEN SMEC BY ALTERATION OF GLASS, GNDMASS OR CLASTS IS/ARE VERY FINE-GRAINED TO GLASSY, SHOULD SHOW EXCELLENT QUENCH TEXTURE SLIGHTLYcomments: FRAGMENTS ANGULAR AND UNSORTED RANGING FROM A FEW MM TO 15CM ACROSS PLAG 10-12 <4 comments : ONLY PARTLY ALTERED | OL 1 <1 comments : ALTERED TO SMEC | CPX 0 comments : ESSENTIALLY NO CPX SMEC OL,GLASS | CALCITE | PYRITE 52 418 A 41 5 0.0 498.50 504.50 505.07 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALTIC BRECCIAPILLOW PCE 1 (2-14), 2 (16-27), 3A (30-33), 3B (34-37), 3C (40-44), 4 (47-57) PLAG-OL MODERATELY PHYRIC, PCE 1 APHYRIC, BRECCIA FRAGMENTS ARE VARIOUS PARTS OF PILLOWS SOME WITH GLASS RINDS, BRECCIA MATRIX OF DARK GREEN SMEC, GLASS RINDS THROUGHOUT SMALL VEINLETS FILLED WITH SMEC + MINOR PYRITE SLIGHTLY comments : SPARSE IN FRAGMENTS FILLED WITH CALCITE + QUARTZ PLAG 5-8 | OL 1 SMEC OL,GLASS | CALCITE | PYRITE | QUARTZ 52 418 A 42 1 0.0 507.50 507.50 508.95 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALTIC BRECCIAPILLOW PCE 1 (3-4), 2A (7-16), 2B (17-26), 2C (25-40), 2D (40-52), 2E (47-57), 2F (57-67), 2G (67-74), 2H (73-78), 2I (77-92), 2J (92-97), 3A (100-117), 3B (114-126), 3C (126-140), 4 (143-145) PLAG-OL MODERATELY PHYRIC, BRECCIA FRAGMENTS ARE PARTS OF PILLOWS WITH GLASS RINDS, BRECCIA MATRIX IS DARK GREEN SMEC AFTER GLASS, GNDMASS OF CLASTS IS FINE TO VERY FINE-GRAINED | FRAGMENTS RANGE FROM A FEW MM TO 10CM ACROSS VEINS FILLED WITH SMEC + CALCITE + PYRITE, GLASS RINDS PRESENT, SLICKENSIDED SURFACE BETWEEN 2D AND 2E OLDER THAN A VEIN CONTAINING CALCITE ON WALL AND QUARTZ IN CENTER MOD PRESENCE OF UNBROKEN PILLOW (IN #2) IN THIS BRECCIA IS STRANGE PLAG 5 | OL 1 comments : ALTERED TO SMEC SMEC OL,GLASS | CALCITE | PYRITE 52 418 A 42 2 0.0 507.50 509.00 510.47 BYERLY, G. PLAG-OL MODERATELY PHYRIC BASALTIC BRECCIAPILLOW PCE 1 (3-11), 2 (14-25), 3A (27-40), 3B (41-46), 4 (49-64), 5 (67-71), 6 (75-84), 7 (87-93), 8 (97-100), 9A (104-112), 9B (112-124), 10A (127-135), 10B (135-142), 11 (144-147) PLAG-OL MODERATELY PHYRIC, BRECCIA FRAGMENTS CONSIST OF VARIOUS PILLOW PARTS SOME WITH GLASS RINDS, GNDMASS OF CLASTS IS VERY FINE-GRAINED TO GLASSY, PCE 4 IS A HYALOCLASTITE GLASS RINDS PRESENT, THICK VEINS OF CARB + QUARTZ OCCUR IN PCES 7 AND 9A MOD FRAGMENTS ARE ANGULAR RANGING FROM A FEW MM TO 20CM ACROSS PLAG 8 <6 | OL 1 <2 comments : ALTERED TO SMEC | CPX 0 SMEC OL,GLASS | CARB | QUARTZ 52 418 A 42 3 0.0 507.50 510.50 511.87 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1A (2-15), 1B (16-23), 1C (23-32), 2 (33-38), 3 (41-54), 4 (56-63), 5A (66-73), 5B (73-82), 5C (82-86), 5D (86-93), 6 (95-100), 7 (103-108), 8A (112-114), 8B (113-115), 9 (118-124), 10 (126-137) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-GRAINED TO GLASSY OCCASIONAL VEINS ARE FILLED WITH CALCITE + SMEC + MINOR PYRITE, PCE 1 HAS INTERNAL GLASSY MARGIN FORMED BY WATER ENTERING A FISSURE IN HOT ROCK SLIGHTLY PCE 8A IS A POORLY SORTED LITHIC SANDSTONE WITH CALCITE CEMENT 0 PLAG 7 <8 comments : SLIGHTLY ALTERED TO SMEC | OL 1 <2 comments : ALTERED TO SMEC SMEC OL,GLASS | CALCITE | PYRITE 52 418 A 42 4 0.0 507.50 512.00 513.47 BYERLY, G. PLAG-OL PHYRIC BASALTPILLOW PCE 1A (2-17), 1B (18-31), 1C (32-40), 2 (43-48), 3 (52-59), 4A (62-71), 4B (72-80), 4C (81-83), 5 (87-96), 6 (100-106), 7 (109-116), 8 (119-128), 9 (131-134), 10 (138-147) PLAG-OL PHYRIC, GNDMASS FINE-GRAINED TO GLASSY, FRESH GLASSY MARGINS AT (3,63,105,110CM) A 3CM THICK VEIN OF CARB + SMEC + ZEOLITE IN PCE 10 SLIGHTLY FRESH GLASS IN MANY SELVAGES <1 1 SMEC,CARB PLAG 10 <8 comments : OFTEN DISCOLORED TO BLUE-GREEN TO YELLOW | OL 2 <2 comments : ALTERED TO SMEC + CARB | CPX 0 PLAG comments : NEEDLES PROMINENT SMEC OL,GLASS,PLAG | CARB OL | ZEOLITE 52 418 A 42 5 0.0 507.50 513.50 514.38 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1A (3-10), 1B (10-21), 2 (24-31), 3 (36-43), 4A (45-48), 4B (49-54), 5 (57-67), 6 (71-80), 7 (83-88) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-GRAINED TO GLASSY SCATTERED VEINLETS FILLED WITH SMEC + CALCITE AND SOME PYRITE IN PCE 6 SLIGHTLY 0 PLAG 5-7 <10 comments : PARTLY ALTERED TO GREEN SMEC | OL 1 <2 comments : ALTERED TO SMEC + CALCITE SMEC OL,GLASS,PLAG | CALCITE OL | PYRITE 52 418 A 43 1 0.0 516.50 516.50 517.95 BYERLY, G. PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1 (3-7), 2 (10-17), 3A (22-30), 3B (31-45), 3C (46-53), 4A (57-60), 4B (61-72), 4C (73-80), 4D (81-90), 4E (92-102), 4F (103-114), 4G (115-122), 4H (123-126), 5A (129-137), 5B (137-145) PLAG-OL-CPX PHYRIC, GNDMASS FINE-GRAINED TO GLASSY SCATTERED VEINLETS FILLED WITH SMEC + CARB + MINOR PYRITE, A SMEC + CARB VEIN OR FRAGMENT OF SEDIMENT IS ADJACENT TO GLASS SELVAGE IN PCE 4D SLIGHTLY <1 <1 CARB PLAG 12 <8 comments : STAINED GREEN NEAR VEINS | OL 2 <2 comments : ALTERED TO SMEC + CARB | CPX <1 <2 comments : ROUNDED, FRESH, "XENOCRYSTS" PLAG comments : MICROLITES INDICATING FLOW STRUCTURE SMEC OL,PLAG,GLASS | CARB OL | PYRITE 52 418 A 43 2 0.0 516.50 518.00 519.46 PERTSEV, N. PLAG-OL PHYRIC BASALTPILLOW PCE 1 (2-11), 2A (14-23), 2B (23-32), 3 ( 34-37), 4 (40-52), 5 (55-65), 6 (67-72), 7 (75-79), 8A (82-91), 8B (92-96), 8C (94-104), 8D (104-119), 8E (120-124), 8G (130-133), 9 (136-139), 10 (143-146) PLAG-OL PHYRIC, BRECCIATED GLASSY MARGINS (PCE 2A-B, 3,6,7), GNDMASS FINE-GRAINED TO GLASSY SCATTERED VEINS FILLED WITH CARB + QUARTZ SLIGHTLY FRESH GLASS IN PCE 8G AND 9 MINOR AMOUNTS OF ALTERED SEDIMENT OCCUR NEXT TO GLASS SELVAGES, PCE 10 IS SMEC-CARB ROCK WITH NODULES OF SILICON OXIDE ALTERED SEDIMENT <1 SMEC PLAG 15-18 <7 comments : RELATIVELY FRESH | OL 2 <2 comments : ALTERED TO SMEC SMEC OL,GLASS | CARB | QUARTZ 52 418 A 43 3 0.0 516.50 519.50 520.92 BYERLY, G. PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1A (3-11), 1B (12-18), 2A (22-30), 2B (31-40), 3A (43-57), 3B (58-66), 3C (67-73), 4 (77-84), 5 (88-98), 6 (102-110), 7A (113-125), 7B (126-133), 8 (136-142) PLAG-OL-CPX PHYRIC, GNDMASS FINE-GRAINED TO GLASSY, GLASSY PILLOW SELVAGES FRESH FOR MOST PART VEINLETS FILLED WITH SMEC + CARB SLIGHTLY MINOR BROWN STAINING ALONG VEINS, GLASS SELVAGES MOSTLY FRESH <1 <1 CARB PLAG 12 <8 comments : OCCASIONALLY STAINED BLUE-GREEN | OL 2 <2 comments : ALTERED TO SMEC | CPX <1 <2 comments : ROUNDED, FRESH PLAG comments : MICROLITES SMEC OL,PLAG,GLASS | CARB 52 418 A 43 4 0.0 516.50 521.00 521.44 PERTSEV, N. PLAG-OL PHYRIC BASALTPILLOW PCE 1 (2-15), 2 (17-22), 3 (24-30), 4 (33-35), 5 (38-44) PLAG-OL PHYRIC, GNDMASS FINE-GRAINED OCCASIONAL VEINS FILLED WITH SMEC + CALCITE FRACTURES PRESENT SLIGHTLY MINOR STAINING ALONG FRACTURES PLAG 12-15 <7 | OL 3 <2 comments : ALTERED TO SMEC SMEC OL | CALCITE 52 418 A 44 1 0.0 525.50 525.50 526.97 BYERLY, G. PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1 (2-7), 2 (11-15), 3 (18-21), 4 (24-26), 5A (28-37), 5B (38-50), 5C (51-60), 5D (60-62), 5E (63-72), 5F (72-84), 6A (87-106), 6B (107-114), 6C (115-123), 6D (122-130), 6E (131-136), 7 (138-147) PLAG-OL-CPX PHYRIC, GNDMASS FINE-GRAINED TO GLASSY OCCASIONAL VEINS FILLED WITH SMEC + CARB SLIGHTLY GLASS FRESH, MINOR BROWN STAINING ALONG FRACTURES PLAG 15 <8 comments : FRESH, SOMETIMES IN GLOMEROPHYRIC CLOTS WITH CPX | OL 1-2 <2 comments : ALTERED TO SMEC | CPX <1 <2 comments : ROUNDED, FRESH PLAG comments : NEEDLES SMEC OL | CARB 52 418 A 44 2 0.0 525.50 527.00 528.48 BYERLY, G. PLAG-OL-CPX MODERATELY PHYRIC BASALTPILLOW PCE 1 (2-8), 2 (11-16), 3A (19-28), 3B (29-38), 4 (42-45), 5 (48-61), 6A (63-67), 6B (68-78), 7A (82-94), 7B (95-111), 7C (112-119), 7D (115-127), 7E (124-130), 8 (134-148) PLAG-OL-CPX MODERATELY PHYRIC BASALT, GNDMASS FINE-GRAINED TO GLASSY OCCASIONAL VEINS FILLED WITH CARB + SMEC SLIGHTLY FRESH OL GAMMA IS 1.692 (FORSTERITE 90), CPX GAMMA IS 1.705 (DIOPSIDE 85), PLAG GAMMA IS 1.581 (ANORTHITE 83), THIS NOTED BY PV <1 CARB,SMEC PLAG 8-10 <8 comments : FRESH | OL 1-2 <2 comments : MOSTLY FRESH WITH MINOR ALTERATION TO SMEC | CPX <1 <2 comments : ROUNDED, FRESH PLAG comments : NEEDLES SMEC OL | CARB 52 418 A 44 3 0.0 525.50 528.50 529.95 PERTSEV, N. PLAG-OL PHYRIC BASALTPILLOW PCE 1 (2-20), 2 (22-25), 3 (28-35), 4 (38-48), 5A (51-61), 5B (62-72), 5C (73-77), 6A (78-95), 6B (95-108), 6C (108-114), 6D (114-120), 7A (122-135), 7B (136-145) PLAG-OL PHYRIC, GNDMASS FINE-GRAINED TO GLASSY, IN (PCES 1,3,4,5C,6C,7A), GLASSY MARGINS WITH FRESH GLASS OCCASIONAL VEINS FILLED WITH SMEC + CALCITE SLIGHTLY PCE 2 IS ALTERED SEDIMENT OF CALCITE + SMEC + QUARTZ PLAG 20 <10 comments : RELATIVELY FRESH | OL 1 <2 comments : ALTERED TO SMEC SMEC OL,GLASS | CALCITE | QUARTZ 52 418 A 44 4 0.0 525.50 530.00 531.43 BYERLY, G. PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1A (3-14), 1B (15-28), 2 (31-48), 3A (52-62), 3B (64-72), 4 (74-78), 5 (82-88), 6A (91-102), 6B (103-113), 6C (114-118), 7 (122-125), 8 (128-143) PLAG-OL-CPX PHYRIC, GNDMASS FINE-GRAINED TO GLASSY, GLASSY SELVAGES ARE VERY FRESH SLIGHTLY GLASS IS FRESH comments : RARE, FILLED WITH SMEC PLAG 10-12 <8 comments : SOMETIMES FRESH, SOMETIMES INTERGROWN WITH OL | OL 2-3 <2 comments : PARTLY ALTERED TO SMEC, SOME FRESH - GENERALLYROUNDED AND SMALLER THAN ALTERED EUHEDRAL XTLS | CPX <1 <1 comments : ROUNDED, FRESH PLAG comments : NEEDLES SMEC OL | CARB 52 418 A 44 5 0.0 525.50 531.50 532.75 PLAG-OL-CPX MODERATELY PHYRIC BASALTPILLOW PCE 1A (2-10), 1B (10-21), 2A (23-30), 2B (31-35), 3A (37-46), 3B (47-55), 4 (57-66), 5A (67-74), 5B (74-80), 5C (82-85), 5D (85-89), 6 (91-95), 7 (98-108), 8A (110-112), 8B (111-125) PLAG-OL-CPX MODERATELY PHYRIC, GNDMASS FINE-GRAINED TO GLASSY VEINS AND VEINLETS COMMON AND FILLED WITH SMEC + CALCITE SLIGHTLY GLASS FRESH PCE 5A-B IS CORE CATCHER <1 CARB,SMEC PLAG 9 <10 comments : FRESH, UNEVENLY DISTRIBUTED | OL 1 <1 comments : ALTERED TO SMEC + CARB | CPX <1 <5 comments : ROUNDED, FRESH PLAG comments : NEEDLES SMEC OL | CARB OL 52 418 A 45 1 0.0 534.50 534.50 535.92 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1 (3-6), 2 (9-14), 3 (17-25), 4A (27-35), 4B (36-40), 5A (42-60), 5B (60-72), 5C (72-85), 5D (85-94), 6 (96-103), 7A (104-107), 7B (108-111), 8A (113-124), 8B (124-126), 9 (128-142) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-GRAINED TO GLASSY VEINS ARE FILLED WITH CARB + SMEC AND MINOR PYRITE IN PCE 5 AND 9 SLIGHTLY 0 PLAG 7 <6 comments : FRESH | OL 1-2 <4 comments : PARTLY ALTERED TO SMEC PLAG 1-2 comments : NEEDLES SMEC OL | CARB 52 418 A 45 2 0.0 534.50 536.00 537.41 SWANSON, D. PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1A (3-14), 1B (15-25), 1C (25-28), 1D (28-39), 1E (39-44), 2 (46-52), 3A1 (54-56), 3A (56-60), 3B (61-65), 3C (65-70), 4A (72-74), 4B (74-78), 4C (75-78), 5 (82-91), 6 (93-100), 7 (103-116), 8 (118-127), 9 (130-135), 10 (138-141) PLAG-OL-CPX PHYRIC, MINOR HYALOCLASTIC BRECCIA COMPOSED OF GLASS SLIVERS IN A DARK GREEN SMEC MATRIX, VARIOLITIC NEAR PILLOW MARGINS NARROW VEINLETS FILLED WITH SMEC + CALCITE + PYRITE MOD <0.5 <1 SMEC PLAG 10-13 <7 comments : FRESH | OL 2-3 <2 comments : SOME FRESH OR ALTERED TO SMEC | CPX <1 <1.5 comments : ROUNDED, FRESH SMEC OL,GLASS | CALCITE 52 418 A 45 3 0.0 534.50 537.50 538.96 RICOU, L. APHYRIC TO PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1A (1-12), 1B (13-28), 1C (28-36), 2A (38-39), 2B (38-40), 3 (43-52), 4 (54-59), 5 (62-69), 6A (72-78), 6B (79-92), 6C (92-99), 7A (102-108), 7B (108-116), 7C (104-126), 7D (126-132), 7D1 (130-135), 7E (136-140), 7E1 (139-146) APHYRIC IN PCES 6A-B AND 7B-C ARE CORES OF PILLOWS, PLAG-OL MODERATELY PHYRIC IN OTHER ZONES, GNDMASS FINE-GRAINED TO GLASSY OCCASIONAL VEINLETS FILLED WITH SMEC + CALCITE + MINOR PYRITE SLIGHTLY GLASS FRESH 0 PLAG 0-10 <13 comments : USUALLY FRESH BUT MINOR GREEN STAINING | OL 1 <2 comments : PARTLY ALTERED TO SMEC SMEC OL | CALCITE | PYRITE 52 418 A 45 4 0.0 534.50 539.00 540.48 SWANSON, D. PLAG-OL-CPX MODERATELY TO PHYRIC BASALTPILLOW PCE 1A (2-14), 1B (14-17), 1B1 (18-19), 2A (22-34), 2B (35-50), 2C (51-57), 3A1 (60-62), 3A (64-70), 3B (70-74), 3C (75-86), 4 (89-100), 5 (104-107), 6A (110-119), 6B (120-127), 6C (128-135), 6D (135-141), 7 (144-148) PLAG-OL-CPX MODERATELY TO PHYRIC, GNDMASS FINE- GRAINED TO GLASSY NUMEROUS VEINLETS FILLED WITH SMEC + CARB + MINOR PYRITE SLIGHTLYcomments: GLASS FRESH <1 <1 CALCITE,SMEC PLAG 8-14 <6 comments : SOME PARTLY ALTERED TO SMEC | OL 2 <3 comments : ALTERED TO SMEC | CPX <1 <2 comments : FRESH SMEC OL,PLAG | CALCITE | PYRITE 52 418 A 45 5 0.0 534.50 540.50 541.65 RICOU, L. PLAG-OL MODERATELY PHYRIC BASALTPILLOW PCE 1 (3-9), 2A (11-22), 2B (22-35), 3 (38-48), 4 (50-56), 5 (58-67), 6 (69-80), 7A (82-92), 7B (92-100), 8A (103-110), 8B (110-115) PLAG-OL MODERATELY PHYRIC, GNDMASS FINE-GRAINED TO GLASSY OCCASIONAL VEINLETS FILLED WITH SMEC + RARE PYRITE SLIGHTLY GLASS FRESH <1 SMEC comments : PCE 2, IRREGULARLY DISTRIBUTED, NO ROUND VESICLES PLAG 7 <12 comments : MOSTLY FRESH, SOME STAINED GREEN | OL 1 <2 comments : MOSTLY ALTERED TO SMEC, FRESH IN PCE 3 SMEC OL | CALCITE | PYRITE 52 418 A 46 1 0.0 543.50 543.50 544.93 BYERLY, G. PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1A (2-8), 1B (7-15), 1C (15-20), 2A (23-37), 2B (37-41), 2C (42-50), 2D (51-64), 3 (68-71), 4 (74-84), 5 (87-94), 6 (98-100), 7 (103-106), 8A (109-124), 8B (125-134), 8C (135-143) PLAG-OL-CPX PHYRIC, GNDMASS FINE-GRAINED TO GLASSY SMALL VEINLETS COMMON AND FILLED WITH CARB + SMEC + PYRITE SLIGHTLY comments : RARE PLAG 10-12 <8 comments : FRESH | OL 2 <2 comments : ONE GRAIN 8MM, PARTLY ALTERED TO SMEC BUT 50%FRESH | CPX <1 <2 comments : FRESH PLAG comments : NEEDLES SMEC OL | CARB | PYRITE 52 418 A 46 2 0.0 543.50 545.00 546.43 BYERLY, G. PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1A (3-15), 1B (16-20), 1C (21-30), 1D (31-35), 1E (35-40), 2 (43-52), 3 (56-66), 4 (69-80), 5A (83-89), 5B (90-95), 5C (96-103), 5D (104-107), 5E (107-110), 6 (113-126), 7 (129-143) PLAG-OL-CPX PHYRIC, GNDMASS FINE-GRAINED TO GLASSY SCATTERED VEINLETS FILLED WITH SMEC + CARB + MINOR PYRITE SLIGHTLY comments : RARE PLAG 10-12 <8 comments : FRESH | OL 2 <3 comments : 50% FRESH, SOME ALTERED TO SMEC | CPX <1 <2 comments : FRESH PLAG comments : NEEDLES SMEC OL | CARB | PYRITE 52 418 A 46 3 0.0 543.50 546.50 547.93 PERTSEV, N. PLAG-OL PHYRIC BASALTPILLOW PCE 1 (2-12), 2 (15-26), 3 (28-55), 4 (57-62), 5 (64-67), 6A (70-82), 6B (83-90), 6C (90-98), 7A (100-103), 7B (109-113), 7C (102-112), 8A (116-125), 8B (125-133), 9 (135-143) PLAG-OL PHYRIC, GNDMASS FINE-GRAINED TO GLASSY, IN PCES (2,3,4,5,6A,7A,7B,8B,G) GLASSY MARGINS WITH FRESH AND PARTLY ALTERED PALAG AND SMEC SCATTERED VEINLETS FILLED WITH SMEC + CALCITE + PYRITE SLIGHTLY MINOR GREEN STAINING ALONG VEINS PCE 3 IS ALTERED SEDIMENT INCLUSION COMPOSED CHIEFLY OF CALCITE + SMEC PLAG 20-25 <10 comments : FRESH | OL 3-4 <2 comments : ALTERED TO SMEC BUT FRESH EUHEDRAL IN PCE 1-2 PLAG comments : FRESH MICROLITES | CPX SMEC OL,GLASS | CALCITE | PYRITE | PALAG 52 418 A 46 4 0.0 543.50 548.00 549.42 PERTSEV, N. PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1 (3-7), 2 (10-14), 3A (16-29), 3B (29-38), 4A (41-52), 4B (52-64), 4C (65-80), 4D (80-86), 5 (88-93), 6A (97-109), 6B (110-118), 6C (118-126), 6D (126-142) PLAG-OL-CPX PHYRIC, GNDMASS FINE-GRAINED TO GLASSY VEINS AND VEINLETS FILLED WITH SMEC + CALCITE SLIGHTLY PCES 1-5 | MODERATELY PCES 5-6D, SOME FRESH GLASS PRESENT PCE 5 CONSISTS OF ALTERED SEDIMENT COMPOSED OF CALCITE + SMEC PLAG 20-25 <10 comments : FRESH | OL 3 <3 comments : PARTLY ALTERED TO SMEC BUT FRESH IN PCE 3 | CPX <1 <3 comments : ANHEDRAL, FRESH SMEC OL,GLASS | CALCITE 52 418 A 46 5 0.0 543.50 549.50 550.66 BYERLY, G. PLAG-OL PHYRIC BASALTPILLOW PCE 1 (3-12), 2A (15-33), 2B (34-43), 2C (44-70), 2D (71-81), 3 (85-95), 4 (98-109), 5 (114-116) PLAG-OL PHYRIC, GNDMASS FINE-GRAINED TO GLASSY, TOP OF PCE 2A HAS A THREE-LAYERED GLASS SELVAGE INDICATING COMPLEX COOLING HISTORY FOR THE PILLOW VEINLETS ARE COMMON FILLED WITH CARB + SMEC + PYRITE SLIGHTLY GLASS FRESH PCES 3-5 ARE CORE CATCHER PLAG 10-12 <8 comments : FRESH | OL 2 <4 comments : PARTLY ALTERED TO SMEC BUT HALF FRESH | CPX 0 PLAG comments : NEEDLES SMEC OL | CARB | PYRITE 52 418 A 47 1 0.0 552.50 552.50 553.97 BYERLY, G. PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1A (3-6), 1B (7-12), 1C (13-22), 1D (24-36), 1E (37-49), 1F (50-55), 2 (59-60), 3A (62-71), 3B (72-83), 3C (85-95), 4A (102-112), 4B (113-121), 5A (126-129), 5B (130-136), 5C (137-147) PLAG-OL-CPX PHYRIC, GNDMASS FINE-GRAINED TO GLASSY SMALL VEINLETS COMMON FILLED WITH SMEC + CARB + PYRITE SLIGHTLYcomments: FRESH GLASS PLAG 10-12 <8 comments : FRESH | OL 2 <3 comments : PARTLY ALTERED TO SMEC WITH SOME FRESH | CPX <1 <3 comments : ANHEDRAL, FRESH PLAG comments : NEEDLES SMEC OL | CARB | PYRITE 52 418 A 47 2 0.0 552.50 554.00 555.48 BYERLY, G. PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1A (3-15), 1B (16-44), 2A (47-57), 2B (58-62), 2C (63-70), 2D (70-80), 2E (81-85), 3 (88-90), 4A (94-104), 4B (105-115), 4C (116-123), 4D (124-127), 4E (129-135), 5 (139-143), 6 (145-148) PLAG-OL-CPX PHYRIC, GNDMASS FINE-GRAINED TO GLASSY MINOR VEINLETS FILLED WITH SMEC + CARB + PYRITE SLIGHTLY GLASS VERY FRESH comments : RARE PLAG 10-12 <8 comments : FRESH | OL 3 <2 comments : MOSTLY ALTERED TO SMEC BUT SOME FRESH | CPX <1 <3 comments : ROUNDED, FRESH PLAG comments : NEEDLES | OL comments : EUHEDRAL SMEC OL | CARB | PYRITE 52 418 A 47 3 0.0 552.50 555.50 556.93 PERTSEV, N. PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1A (2-10), 1B (10-17), 1C (18-31), 2 (33-41), 3A (42-52), 3B (52-62), 4 (65-70), 5 (73-78), 6 (82-86), 7A (88-102), 7B (102-114), 7C (114-125), 7D (126-131), 8A (133-136), 8B (136-143) PLAG-OL-CPX PHYRIC, GNDMASS FINE-GRAINED TO GLASSY, IN PCES (1A,2,3A,4,6,7A,7C,7D,8B) GLASSY MARGIN WITH FRESH OR PARTLY ALTERED GLASS VEINLETS COMMON FILLED WITH SMEC + CALCITE SLIGHTLY FRESH GLASS PCES 5-6 ARE FRAGMENTS OF ALTERED SEDIMENT COMPOSED OF CALCITE + SMEC PLAG 12 <8 comments : FRESH | OL 3 <5 comments : MOSTLY ALTERED TO SMEC BUT FRESH LOCALLY | CPX <1 comments : FRESH, SUBOPHITIC INTERGROWTHS WITH PLAG SMEC OL,GLASS | CALCITE 52 418 A 47 4 0.0 552.50 557.00 558.46 BYERLY, G. PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1 (3-14), 2 (17-19), 3 (23-24), 4 (27-29), 5 (32-38), 6 (42-45), 7 (49-53), 8 (56-58), 9A (62-76), 9B (77-84), 10 (88-91), 11 (94-99), 12 (102-105), 13 (107-111), 14 (115-123), 15 (127-146) PLAG-OL-CPX PHYRIC, GNDMASS FINE-GRAINED TO GLASSY SCATTERED VEINLETS FILLED WITH CARB + SMEC SLIGHTLY AG NEEDLES PLAG 12 <8 comments : FRESH | OL 3 <2 comments : ALTERED TO SMEC | CPX <1 comments : FRESH SMEC OL,GLASS | CARB 52 418 A 47 5 0.0 552.50 558.50 559.91 PERTSEV, N. PLAG-OL PHYRIC BASALTPILLOW PCE 1 (2-16), 2A (17-29), 2B (30-39), 3 (42-48), 4A (50-62), 4B (62-74), 4C (74-87), 4D (87-91), 4E (92-104), 5 (107-117), 6A (120-134), 6B (134-141) PLAG-OL PHYRIC, GNDMASS FINE-GRAINED TO GLASSY VEINLETS SCATTERED AND FILLED WITH SMEC + CALCITE MODERATELY SOME FRESH GLASS PLAG 15 <8 comments : FRESH | OL 4 <4 comments : MOSTLY ALTERED TO SMEC SMEC OL,GLASS | CALCITE 52 418 A 48 1 0.0 561.50 561.50 562.91 SWANSON, D. PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1A (2-15), 1B (15-25), 1C (25-34), 1D (34-41), 2 (42-72), 3A (73-84), 3B (84-91), 3C (92-102), 3D (103-110), 4 (112-123), 5A (125-127), 5B (126-129), 5C (130-141) PLAG-OL-CPX PHYRIC, GNDMASS FINE-GRAINED TO GLASSY, GLASSY MARGINS VEINLETS SCATTERED THROUGHOUT FILLED WITH SMEC + CALCITE + PYRITE MOD FRESH GLASS PRESENT, ALTERATION TO GREEN SMEC IN PCES 2C-G <0.5 <1 SMEC,CALCITE comments : ZEOLITE FILLED VUG IN PCES 3A-B PLAG 10-12 <7 comments : FRESH | OL 1-2 <2 comments : PARTLY ALTERED TO SMEC | CPX <1 <1 comments : ANHEDRAL, FRESH SMEC OL | CALCITE | PYRITE | ZEOLITE comments : RADIATING THOMPSONITE (?) IN VUG IN PCE 3A+3B 52 418 A 48 2 0.0 561.50 563.00 564.43 PLAG-OL-CPX MODERATELY PHYRIC BASALTPILLOW PCE 1A (1-15), 1B (17-30), 1C (31-42), 1D (42-50), 1E (51-65), 1E1 (59-65), 1F (66-73), 1G (72-79), 2A (81-83), 2B (83-86), 2C (88-90), 2D (89-92), 3 (96-100), 4A (103-112), 4B (113-129), 4C (130-143) PLAG-OL-CPX MODERATELY PHYRIC, GNDMASS FINE-GRAINED TO GLASSY, GLASSY SELVAGES IN PCES (1A,2A,2D) VEINLETS SCATTERED THROUGHOUT FILLED WITH SMEC + CARB + MINOR PYRITE MOD SOME FRESH GLASS comments : RARE PLAG 9 <7 comments : FRESH | OL 1 <2 comments : REPLACED BY SMEC + CARB | CPX <1 comments : FRESH PYRITE comments : DISSEMINATED SMEC OL,GLASS | CARB OL | PYRITE 52 418 A 48 3 0.0 561.50 564.50 566.00 PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1 (2-12), 2A (15-30), 2B (31-43), 3A (45-62), 3B (63-74), 3C (75-86), 3D (87-90), 3E (91-100), 3F (101-111), 3G (113-127), 4A (131-138), 4B (137-145), 5A (147-150), 5B (147-149) PLAG-OL-CPX PHYRIC, GNDMASS FINE-GRAINED TO GLASSY, GLASSY SELVAGES IN PCES (1,2A,2B,3A,3B,4A) VEINLETS SCATTERED THROUGHOUT FILLED WITH SMEC + CARB + MINOR PYRITE MOD SOME FRESH GLASS comments : RARE PLAG 10 <8 comments : FRESH | OL 1 <2 comments : ALTERED TO SMEC + CARB | CPX <1 comments : FRESH SMEC OL,GLASS | CARB OL | PYRITE 52 418 A 48 4 0.0 561.50 566.00 567.39 PLAG-OL-CPX MODERATELY TO PHYRIC BASALTPILLOW PCE 1 (2-6), 11 (7-11), 2A (3-7), 2B (7-8), 2C (19-21), 3 (26-36), 4 (39-50), 5A (52-55), 5B (55-57), 5C (59-62), 6 (65-75), 7A (78-79), 7 (79-89), 8 (94-98), 9A (101-111), 9B (112-126), 9C (126-139) PLAG-OL-CPX MODERATELY PHYRIC PCES 1-8, PLAG-OL-CPX PHYRIC PCES 9A-C, GNDMASS FINE-GRAINED TO GLASSY, GLASSY SELVAGES IN PCES (2A,2C,4,5B,5C,6,9C) VEINLETS SCATTERED THROUGHOUT FILLED WITH SMEC + CARB MOD comments : RARE PLAG 3-12 <7 comments : FRESH | OL 1 <2 comments : ALTERED TO SMEC + CARB | CPX <1 comments : PRESENT ONLY IN LOWER OF SECTION SMEC OL,GLASS | CARB OL | PYRITE comments : LOCALLY PRESENT 52 418 A 48 5 0.0 561.50 567.50 568.37 SWANSON, D. PLAG-OL-CPX PHYRIC BASALTPILLOW PCE 1A (2-14), 1B (15-23), 2A (26-34), 2B (32-36), 3A (37-46), 3B (45-49), 4A (52-59), 4B (59-60), 4C (60-65), 5 (67-75), 6 (77-87) PLAG-OL-CPX PHYRIC, GNDMASS FINE-GRAINED TO GLASSY, FRESH GLASS IN PILLOW MARGINS OF PCES (1A,1B,2A) NARROW VEINLETS FILLED WITH SMEC + CALCITE SLIGHTLY PCES 4A-6 ARE CORE CATCHER <0.5 <1 SMEC,CALCITE PLAG 10-12 <8 comments : FRESH, OFTEN IN GLOMEROCRYSTS WITH OL | OL 1-2 <1 comments : MOSTLY ALTERED TO SMEC | CPX <1 <1.5 comments : FRESH PYRITE SMEC OL | CALCITE | PYRITE