59448 37 1 0 640 337.50 337.50 338.14 ZAK 42 1 L PLAG-OL SPARSELY PHYRIC TO APHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCE 1 (1-4), 2 (5-15), 3A (17-24), 3B (25-30), 4 N 3C (31-36), 3D (37-40), 4 (43-47), 5A (49-52), 5 N 5B (54-57), 6 (58-64); 6 T PLAG-OL SPARSELY PHYRIC TO APHYRIC NEAR BOTTOM OF 7 T SECTION, FINE-GRAINED BUT INCREASINGLY COARSER 8 T TOWARDS THE BOTTOM, GLASSY RIM NEAR PILLOW MARGIN IN 9 T PCE 5A, LOCALLY BRECCIATED PILLOW RIM CONSISTS OF 10 T FRAGMENTS OF ALTERED GLASS AND VITROPHYRIC BASALT 11 T CEMENTED WITH ZEOLITES, BLACK GLASSY RIM REPLACED BY 12 T YELLOW BROWN SMECTITE IN PCES 5A+5B; 13 S SECTION DISSECTED BY VEINS FILLED WITH QUARTZ AND 14 S ZEOLITES, IRREGULAR VUGS (2-3MM) RIMMED BY BROWN 15 S SMECTITE AND PARTIALLY FILLED WITH ZEOLITES IN 16 S PCES 1+5A+5B; 17 A FRESH; 18 O BASALT GREY 5Y5/1, HOMOGENOUS POROSITY (0.2-0.1MM); 19 V 1-210-15 ZEOLITE 20 V % PCE 1, SOME EMPTY; 21 V 1-220-25 ZEOLITE SPHERICAL 22 V % PCES 3A-3D, SOME EMPTY; 23 V % IRREGULAR VUGS (2-3MM) PARTIALLY FILLED WITH 24 V % ZEOLITE AND RIMMED WITH BROWN SMEC, SOMETIMES 25 V % BROWN AGGREGATES OF SMEC SUBDIVIDE VUGS INTO 26 V % SMALLER IRREGULAR CHAMBERS FILLED OR LINED WITH 27 V % ZEOLITE, VESICLES AND VUGS IN PCES 5A-B ARE 28 V % CHARACTERISTIC OF MARGINAL ZONE OF PILLOW AND ARE 29 V % 1-3MM IN DIAMETER; 30 P PLAG <1 2 31 P % EUHEDRAL; 32 P OL <1 0.5 33 P % EUHEDRAL; 34 G PLAG 35 G % ELONGATE XTLS OR LATHS; 36 G CPX 37 G GLASS 38 G % MESOSTASIS AND REPLACED BY BROWN SMEC; 39 R ZEOLITE 40 R SMEC GLASS 41 R QUARTZ 42 59448 38 1 01490 347.00 347.00 348.49 MTY 25 1 L PLAG-OL-CPX-OPX SPARSELY PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCE 1A (1-10), 1B (11-15), 1C (16-20), 1D (21-25), 4 N 1E (26-31), 1F (32-40), 1G (41-44), 1H (45-47), 5 N 2A (52-54), 2B (55-58), 2C (60-61), 2D (64-66), 6 N 2E (71-73), 2F (75-78), 3A (82-86), 3B (87-92), 7 N 3C (95-98), 4 (101-115), 5A (118-122), 5B (123-127), 8 N 6A (129-131), 6B (134-136), 6C (138-140), 9 N 6D (142-145), 6E (147-149); 10 T PLAG-OL-CPX-OPX SPARSELY PHYRIC, INTERSERTAL, 11 T TEXTURALLY AND MINERALOGICALLY SIMILAR TO THE 12 T PREVIOUS CORE 37-1, GLASS IN PCE 2A; 13 S FRACTURED AREA IN PCE 2A; 14 A MODERATELY; 15 V 0.5-10 10 CALCITE SPHERICAL 16 V % HALF ARE FILLED, BECOME SMALLER FROM PCE 1A-H; 17 P PLAG <2 <1 18 P OL 19 P % PSEUDOMORPH RARE, BROWN; 20 P OPX 21 P CPX 22 G GLASS 23 G % OCCURS SCATTERED THROUGH SECTION; 24 R CALCITE 25 59448 38 2 0 840 347.00 348.50 349.34 MTY 24 1 L PLAG-OL-CPX-OPX MODERATELY PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCE 1A (1-4), 2A (6-11), 2B (11-18), 2C (19-23), 4 N 3 (27-32), 4 (35-42), 5 (45-52), 6 (57-62), 5 N 7 (67-84); 6 T PLAG-OL-CPX-OPX MODERATELY PHYRIC, FINE-GRAINED, 7 T APHANITIC, VARIOLITIC NEAR GLASS MARGIN AT TOP OF 8 T THE SECTION; 9 S VEINS PRESENT; 10 A MODERATELY; 11 O GREENISH GREY BASALT; 12 V 0.5-5 20 CALCITE,ZEOLITE 13 V % FILLED NEAR VEINS OR PILLOW RIMS BUT OTHERWISE 14 V % EMPTY, MICROVESICLES THROUGHOUT GNDMASS (0.1MM); 15 P PLAG 5 1-2 16 P % GLOMEROPHYRIC CLOTS; 17 P OL 18 P % PSEUDOMORPHED BY ORANGE-BROWN SMEC, EUHEDRAL, 19 P % CONTAINS SPINEL INCLUSIONS POSSIBLY; 20 G % GROUNDMASS IS POROUS; 21 R SMEC OL 22 R CALCITE 23 R ZEOLITE 24 59448 39 1 01470 352.00 352.00 353.47 MTY 23 1 L PLAG-OL SPARSELY PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCE 1 (2-6), 2A (9-13), 2B (14-17), 2C (19-25), 4 N 3 (29-35), 4A (37-39), 4B (40-47), 4C (47-53), 5 N 4D (55-59), 5 (61-64), 6A (67-73), 6B (74-77), 6 N 7 (79-90), 8 (92-98), 9 (101-108), 10A (111-115), 7 N 10B (115-120), 10C (120-124), 11A (127-129), 8 N 11B (130-132), 12A (134-139), 12B (139-143), 9 N 12C (144-147); 10 T PLAG-OL SPARSELY PHYRIC, SOMEWHAT COARSER TOWARDS 11 T THE BOTTOM OF SECTION, ROCK IS 20-30% POROUS, GLASS 12 T MARGINS AT PCE 6A-B AND PCE 9; 13 A MODERATELY; 14 O GREENISH-GREY BASALT, NAME IN INITIAL CORE 15 O DESCRIPTION GIVEN AS PLAG-OL-CPX-OPX BASALT; 16 V <4 CALCITE,ZEOLITE 17 V % HIGHLY VESICULAR, PREDOMINANTLY EMPTY, ABUNDANT 18 V % MICROVESICLES (0.1MM); 19 P PLAG 20 P OL 21 R ZEOLITE 22 R CALCITE 23 59448 39 2 01500 352.00 353.50 355.00 MTY 23 1 L PLAG-OL SPARSELY PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCE 1 (0-14), 2A (17-21), 2B (23-28), 2C (28-37), 4 N 2D (38-41), 2E (42-50), 2F (50-62), 2G (64-69), 5 N 2H (70-74), 3 (76-85), 4A (88-93), 4B (94-101), 6 N 4C (102-113), 4D (113-124), 4E (125-131), 7 N 4F (132-137), 4G (138-141), 4H (142-147), 8 N 4I (147-149); 9 T PLAG-OL SPARSELY PHYRIC, GNDMASS POROUS, APHANITIC 10 T TO INTERSERTAL, PCE 1 COMPOSED SOLELY OF GLASS; 11 S NUMEROUS VEINS OF CALCITE+ZEOLITE OBLIQUE TO CORE; 12 A EXTENSIVELY; 13 O NEW UNIT STARTS IN PCE 2; 14 V >1 ZEOLITE 15 V % ABSENT FROM UPPER PART BUT CONCENTRATED FROM 16 V % 90-120CM AND FILLED WITH ZEOLITE, ALSO ABUNDANT IN 17 V % 140-150CM; 18 P PLAG 19 P OL 20 P % RARE; 21 R ZEOLITE 22 R CALCITE 23 59448 39 3 0 550 352.00 355.00 355.55 ISH 17 1 L PLAG-OL SPARSELY PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCE 1A (2-4), 1B (5-8), 1C (8-12), 2A (14-18), 4 N 2B (18-26), 3A (28-32), 3B (32-35), 3C (37-42), 5 N 3D (43-47), 3E (48-55); 6 T PLAG-OL SPARSELY PHYRIC, INTERSERTAL, POROUS 7 T GROUNDMASS; 8 A EXTENSIVELY; 9 V <3 20 10 V % PCES 1A-3B; 11 V <5 15 12 V % BIG VESICLES FILLED WITH CALCITE OR ZEOLITE; 13 P PLAG <2 <1 14 P OL <1 15 R CALCITE 16 R ZEOLITE 17 59448 40 1 01310 356.50 356.50 357.81 MTY 18 1 L PLAG-OL MODERATELY PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCE 1A (1-10), 1B (12-14), 1C (15-17), 1D (18-20), 4 N 1E (22-28), 1F (30-31), 1G (32-37), 1H (38-47), 5 N 1I (50-52), 1J (53-61), 1K (62-63), 1L (64-72), 6 N 1M (73-78), 2A (82-86), 2B (88-92), 2C (92-96), 7 N 2D (98-100), 2E (101-106), 3A (110-114), 8 N 3B (116-120), 3C (121-125), 3D (127-131); 9 T PLAG-OL MODERATELY PHYRIC, FINE-GRAINED, POROUS, 10 T GLOMEROPHYRIC; 11 A EXTENSIVELY; 12 O NEW UNIT STARTS WITH PCE 2A BUT COMPOSITION SIMILAR 13 O AND IS INCREASINGLY BRECCIATED; 14 P PLAG <5 <1 15 P % GLOMEROCRYSTS OR LATHS; 16 P OL <1 <1 17 P % EUHEDRAL PSEUDOMORPHS; 18 59448 40 2 01500 356.50 358.00 359.50 ISH 19 1 L VOLCANICLASTIC BRECCIA; 2 L CLASTS COMPOSED OF PLAG-OL SPARSELY PHYRIC BASALT; 3 N PCE 1A (1-11), 1B (12-16), 1C (17-21), 2 (24-37), 4 N 3A (40-47), 3B (47-54), 3C (55-59), 3D (59-65), 5 N 3E (66-71), 3F (71-79), 4 (80-85), 5 (87-94), 6 N 6A (96-102), 6B (103-108), 6C (109-114), 7 N 6D (116-120), 7 (121-125), 8 (127-134), 8 N 9A (136-143), 9B (144-149); 9 T BRECCIA CONSISTS OF CLASTS (3-25CM) WHICH ARE 10 T IN A MATRIX OF DEVITRIFIED GLASS AND SILICEOUS 11 T CEMENT, CLASTS COMPOSED OF VESICULAR PLAG-OL 12 T SPARSELY PHYRIC BASALT; 13 S ONE LARGE CLAST OR SMALL FLOW WITH EVIDENCE OF 14 S BAKING, 80% CLASTS VERSUS MATRIX-RATIO IS 4:1, 15 S CLASTS ARE ANGULAR AND UNSORTED WITH NO PREFERRED 16 S ORIENTATION; 17 A EXTENSIVELY; 18 O MATRIX COLOR IS OLIVE YELLOW 5Y7/5 TO 5Y7/6; 19 59448 40 3 0 500 356.50 359.50 360.00 MTY 11 1 L VOLCANICLASTIC BRECCIA; 2 N PCE 1 (0-4), 2 (8-11), 3A (15-18), 3B (19-23), 3 N 3C (23-31), 3D (32-40), 3E (40-45), 3F (45-50); 4 T TEXTURALLY AND MINERALOGICALLY SIMILAR TO THE 5 T PREVIOUS CORE 40-2; 6 S BRECCIA COMPOSED OF CLASTS AVERAGING 5CM WITH 7 S CLASTS COMPRISING 40-50% OF TOTAL BRECCIA (RATIO OF 8 S 1:1), FEWER AND SMALLER CLASTS THAN IN THE PREVIOUS 9 S SECTION; 10 A EXTENSIVELY; 11 59448 41 1 01500 366.00 366.00 367.50 MTY 23 1 L VOLCANICLASTIC BRECCIA; 2 L COMPOSED OF CLASTS OF PLAG-OL SPARSELY PHYRIC 3 L BASALT; 4 N PCE 1A (1-4), 1B (4-8), 1C (9-13), 1D (14-19), 5 N 1E (20-25), 1F (25-27), 1G (28-33), 1H (34-36), 6 N 1I (37-42), 1J (43-46), 1K (47-52), 1L (54-58), 7 N 1M (60-66), 1N (66-67), 1O (69-71), 1P (72-74), 8 N 1Q (74-76), 1R (77-81), 1S (82-86), 1T (87-92), 9 N 1U (93-96), 1V (94-96), 1W (97-103), 1X (104-108), 10 N 1Y (109-111), 1Z (112-120), 1AA (121-125), 11 N 1BB (125-130), 1CC (130-132), 1DD (132-137), 12 N 1EE (139-141), 1FF (142-149); 13 T BRECCIA COMPOSED OF CLASTS OF VESICULAR PLAG-OL 14 T SPARSELY PHYRIC BASALT IN A MATRIX OF DEVITRIFIED 15 T GLASS AND SILICEOUS CEMENT CONCENTRATED AROUND 16 T CLASTS, 17 T CLASTS RANGE FROM 10CM TO 2-3CM ON AVERAGE 18 T AND ARE ANGULAR UNSORTED AND HAVE NO PREFERRED 19 T ORIENTATION, CLASTS MAKE UP TO 40-60% OF BRECCIA 20 T COMPARED TO MATRIX; 21 A MODERATELY; 22 O MATRIX IS OLIVE-YELLOW 5Y6/6 TO 5/4; 23 59448 41 2 0 690 366.00 367.50 368.19 ISH 14 1 L VOLCANICLASTIC BRECCIA; 2 L CLASTS COMPOSED OF APHYRIC TO PLAG-OL SPARSELY 3 L PHYRIC BASALT; 4 N PCE 1A (1-7), 1B (7-10), 1C (11-14), 1D (13-18), 5 N 1E (20-25), 1F (26-32), 1G (34-45), 1H (45-50), 6 N 2 (52-69); 7 T BRECCIA IS COMPOSED OF CLASTS (O.5-1CM AVERAGE) 8 T OF PLAG-OL SPARSELY PHYRIC BASALT, 9 T CLASTS MAKING UP 50% OF TOTAL BRECCIA, AVERAGE SIZE 10 T 0.5-1.0CM AND MAXIMUM SIZE OF UP TO 3CM, CLASTS ARE 11 T ANGULAR; 12 A EXTENSIVELY; 13 O PALE YELLOW MATRIX; 14 59448 42 1 0 100 371.50 371.50 371.60 MTY 6 1 L VOLCANICLASTIC BRECCIA; 2 N PCE 1A (0-5), 1B (7-9); 3 T VESICULAR BASALTIC BRECCIA WITH SAME DESCRIPTION 4 T AS CORE 41-2; 5 A MODERATELY; 6 59448 43 1 0 700 375.50 375.50 376.20 ISH 11 1 L VOLCANICLASTIC BRECCIA; 2 N PCE 1 (2-22), 2 (25-33), 3 (35-44), 4 (47-51), 3 N 5 (52-67); 4 T TEXTURALLY AND MINERALOGICALLY THE SAME AS THE 5 T PREVIOUS CORE 41-2, CHILLED ZONES AROUND THE CLASTS; 6 T CLASTS ARE 0.8X3CM AND ONE BIG CLAST IN PCE 2 WHICH 7 T 5X4CM; 8 A EXTENSIVELY; 9 O THIS UNIT ENDS WITH PCE 5 AND A NEW UNIT BEGINS 10 O BELOW WITH PCE 6A; 11 59448 43 1 7001500 375.50 376.20 377.00 ISH 14 1 L PLAG-OL SPARSELY PHYRIC BASALT; 2 N PCE 6A (72-77), 6B (77-80), 6C (80-84), 7 (85-107), 3 N 8A (108-112), 8B (114-116), 8C (117-122), 4 N 8D (123-126), 8E (127-130), 8F (130-132), 5 N 9 (137-140), 10 (144-148); 6 T PLAG-OL SPARSELY PHYRIC, VERY FINE-GRAINED TO 7 T APHANITIC; 8 A MODERATELY; 9 V 3-5 20 10 V % NOT FILLED, IN PCE 7 VESICLES ARE 1X3CM AND IN 11 V % PCE 8A THEY ARE 0.5 TO 3CM, VESICLES ARE ALIGNED 12 V % VERTICALLY IN PCE 6A AND HORIZONTALLY IN 13 V % PCES 8A-8C; 14 59448 43 2 0 500 375.50 377.00 377.50 MTY 13 1 L PLAG SPARSELY PHYRIC BASALT; 2 N PCE 1 (2-15), 2 (18-24), 3 (28-31), 4 (34-40), 3 N 5 (42-48); 4 T PLAG SPARSELY PHYRIC, APHANITIC, VERY POROUS; 5 A MODERATELY; 6 O BASALT GREENISH-GREY; 7 V 0.1 20 8 V % MICROVESICLES; 9 V 2-4 5-10 10 V % LARGE VESICLES, SOME FLATTENED, PARALLEL TO BASE 11 V % OF FLOW; 12 P PLAG 2 1-2 13 59448 44 1 0 500 385.00 385.00 385.50 ISH 11 1 L PLAG-OL SPARSELY PHYRIC BASALT; 2 N PCE 1A (2-4), 1B (5-7), 1C (9-10), 1D (11-14), 3 N 2A (16-19), 2B (20-23), 3 (25-28), 4 (31-34), 4 N 5 (37-48); 5 T PLAG-OL SPARSELY PHYRIC, APHANITIC; 6 A FRESH; 7 V 1-2 20 SPHERICAL 8 V % NO ALIGNMENT, VESICLES SMALLER (1MM) IN PCE 4; 9 P PLAG 10 P OL 11 59448 44 1 5001500 385.00 385.50 386.50 ISH 18 1 L PLAG-OL MODERATELY PHYRIC BASALT; 2 N PCE 6 (51-53), 7 (56-61), 8A (63-65), 8B (65-68), 3 N 8C (70-72), 8D (73-81), 8E (82-89), 8F (91-101), 4 N 8G (102-109), 8H (111-119), 8I (121-126), 5 N 8J (127-132), 8K (133-135), 8L (136-139), 6 N 8M (140-145), 8N (146-150); 7 T PLAG-OL MODERATELY PHYRIC, FINE-GRAINED WITH 8 T GLASS LAYER; 9 S FRACTURED AREA IN PCE 6, MAY BE TOP OF FLOW; 10 A FRESH; 11 V 1-2 12 V % VESICLES PRESENT AT THE TOP AND BOTTOM OF THIS 13 V % SECTION; 14 V 2-10 15 V % PCES 8G-H; 16 P PLAG 17 P OL 18 59448 44 2 0 550 385.00 386.50 387.05 MTY 10 1 L PLAG-OL SPARSELY PHYRIC BASALT; 2 N PCE 1 (2-14), 2A (17-22), 2B (24-25), 2C (27-30), 3 N 3 (33-38), 4 (41-55); 4 T PLAG-OL SPARSELY PHYRIC, APHANITIC, GLASS IN PCE 4, 5 T VARIOLITIC; 6 A MODERATELY; 7 V 2-5 20 8 P PLAG 9 P OL 10 59448 46 1 01470 404.00 404.00 405.47 ZAK 27 1 L APHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCE 1 (1-4), 2A (6-10), 2B (10-13), 2C (13-15), 4 N 2D (16-18), 2E (19-25), 2F (25-28), 2G (29-30), 5 N 2H (32-35), 3A (38-42), 3B (42-46), 3C (47-48), 6 N 3D (50-51), 3E (52-56), 3F (57-58), 3G (59-63), 7 N 4A (66-70), 4B (71-73), 4C (74-75), 4D (77-78), 8 N 4E (79-82), 5A (85-86), 5B (88-89), 5C (91-97), 9 N 5D (98-99), 5E (100-101), 6 (104-108), 7A (110-113), 10 N 7B (114-119), 7C (120-123), 7D (124-127), 11 N 8A (131-135), 8B (136-144), 8C (145-147); 12 T APHYRIC, FRAGMENTS OF BASALT, HYALOPILITIC TO 13 T VARIOLITIC NEAR MARGINS OF PILLOWS, HIGH POROSITY; 14 S FOUR OR FIVE PILLOWS ARE TRANSECTED, GLASSY MARGINS 15 S OF PILLOWS(3B-F) HAVE UNDERGONE AUTOBRECCIATION 16 S AND CONSIST OF FRAGMENTS OF ALTERED GLASS REPLACED 17 S BY SMEC AND VARIOLITIC BASALTS CEMENTED WITH 18 S ZEOLITE; 19 A EXTENSIVELY; 20 V 2-315-20 21 V % SOME SPHERICAL, ORIENTATION OF LONG AXES PARALLEL 22 V % TO PILLOW MARGINS, MOST EMPTY OR PARTIALLY FILLED 23 V % WITH ZEOLITES, RELATIVELY RARE IRREGULAR VUGS 24 V % (0.5X3CM) LINED WITH ZEOLITE; 25 R ZEOLITE 26 R SMEC 27 59448 46 2 0 690 404.00 405.50 406.19 ZAK 13 1 L APHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCE 1 (3-7), 2 (9-14), 3A (16-18), 3B (19-23), 4 N 3C (25-28), 4A (31-33), 4B (35-36), 4C (40-43), 5 N 4D (44-47), 5A (52-54), 5B (56-58), 6A (61-63), 6 N 6B (63-65), 6C (66-69); 7 T APHYRIC, GLASSY RIMS OF PILLOWS IN PCES 3A+3C AND 8 T PCES 6A-6C, BRECCIATION OCCURS IN PCES 1+3A, SIMILAR 9 T TO PREVIOUS SECTION 46-1; 10 S FRAGMENTS MAINLY MARGINAL ZONES OF PILLOWS; 11 A EXTENSIVELY; 12 V % HIGHLY VESICULAR; 13 59448 47 1 0 900 413.50 413.50 414.40 ZAK 23 1 L APHYRIC TO PLAG SPARSELY PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCE 1 (2-13), 2 (15-21), 3 (24-26), 4 (29-36), 4 N 5 (38-40), 6 (43-46), 7A (49-55), 7B (55-57), 5 N 7C (58-62), 7D (63-68), 8 (70-74), 9A (76-78), 6 N 9B (78-80), 9C (81-86), 9D (87-90); 7 T APHYRIC, FINE-GRAINED, HYALOPILITIC, TOWARDS EDGES 8 T BASALT BECOMES VARIOLITIC AND PLAG SPARSELY PHYRIC, 9 T SOME OF THIS PLAG SPARSELY PHYRIC BASALT HAS 10 T UNDERGONE AUTOBRECCIATION AND FRAGMENTS (1X1.5CM) 11 T ARE CEMENTED WITH ZEOLITES, VARIOLITIC RIMS ARE 12 T ALMOST COMPLETELY ALTERED, GLASSY MESOSTASIS IS 13 T REPLACED BY YELLOWISH BROWN SMEC, PCES 7A-9D ARE 14 T MORE SIMILAR TO INNER PILLOWS IN PREVIOUS SECTION, 15 T TOTAL POROSITY IS 15-20%; 16 A EXTENSIVELY; 17 O BASALT GREYISH BROWN 10YR5/2; 18 V % HIGHLY VESICULAR; 19 P PLAG <0.01 20 P % MICROPHENOS NEAR EDGES IN PCES 1-6; 21 R ZEOLITE 22 R SMEC 23 59448 47 1 9001440 413.50 414.40 414.94 ZAK 12 1 L APHYRIC BASALT; 2 N PCE 10A (92-94), 10B (95-96), 10C (98-100), 3 N 10D (101-104), 10E (104-107), 10F (108-114), 4 N 11 (117-120), 12 (122-129), 13 (133-144); 5 T APHYRIC, VERY FINE-GRAINED, INTERSERTAL; 6 A FRESH; 7 O BASALT IS OLIVE GREY 5YR/2, NEW UNIT STARTS AT 8 O PCE 10A; 9 V 1-2 1-2 10 V % ALMOST COMPLETELY EMPTY BUT WITH SLIGHT YELLOWISH 11 V % BROWN PARTICLES OF ALTERATION; 12 59448 47 2 0 990 413.50 415.00 415.99 ZAK 23 1 L APHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCE 1A (1-4), 1B (6-9), 1C (10-13), 2 (16-20), 4 N 3 (23-26), 4 (27-35), 5 (38-45), 6 (47-54), 5 N 7A (56-61), 7B (62-65), 7C (67-69), 7D (70-74), 6 N 8A (75-79), 8B (81-84), 8C (85-87), 8D (88-89), 7 N 9 (93-99); 8 T APHYRIC, VERY FINE-GRAINED, INTERSERTAL, GLASSY 9 T MESOSTASIS THROUGH GNDMASS, FRAGMENT OF GLASSY RIM 10 T BETWEEN PILLOWS AND GLASS IS REPLACED BY YELLOWISH 11 T BROWN SMEC, BRECCIATED MARGINS OF PILLOWS IN 12 T PCES 8A-8D; 13 A MODERATELY; 14 O BASALT IS OLIVE GREY 5Y5/2; 15 V <3-410-15 16 V % ALMOST COMPLETELY EMPTY; 17 G PLAG 40 <0.02 18 G % ELONGATE LATHS; 19 G GLASS 20 G % MATRIX MATERIAL AND MESOSTASIS; 21 G % ALSO MAFIC CONSTITUENT POSSIBLY PYX; 22 R SMEC 23 59448 48 1 0 430 423.00 423.00 423.43 ZAK 10 1 L APHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCE 1A (2-5), 1B (7-8), 2 (13-22), 3A (25-28), 4 N 3B (30-32), 3C (35-37), 3D (40-43); 5 T APHYRIC, ROCK TYPE SAME AS DESCRIBED IN PREVIOUS 6 T SECTION 47-2, GLASSY RIM IN PCE 2 INDICATED PILLOWS; 7 A EXTENSIVELY; 8 O NEW UNIT STARTS AT PCE 4A; 9 V % VESICULAR; 10 59448 48 1 4801050 423.00 423.48 424.05 ZAK 14 1 L APHYRIC BASALT; 2 N PCE 4A (48-51), 4B (52-53), 5A (56-59), 5B (62-65), 3 N 6 (69-74), 7 (77-84), 8A (86-90), 8B (92-96), 4 N 9 (99-105); 5 T APHYRIC, FINE-GRAINED, PCES 4A-B ARE THIN LAYERS 6 T OF BRECCIA CONSISTING OF CLASTS OF APHYRIC 7 T VESICULAR BASALT (3X1.5CM) AND VARIOLITIC BASALTS 8 T ALTERED SIGNIFICANTLY AND CEMENTED WITH ZEOLITES, 9 T CLASTS TO MATRIX RATIO IS 4:1; 10 A EXTENSIVELY; 11 O NEW FLOW UNIT BEGINS WITH PCE 10; 12 V % VESICULAR; 13 R ZEOLITE 14 59448 48 110701390 423.00 424.07 424.39 ZAK 8 1 L APHYRIC BASALT; 2 N PCE 10 (107-114), 11A (115-123), 11B (124-129), 3 N 12 (131-139); 4 T APHYRIC, SIMILAR TO PREVIOUS TWO FLOW UNITS, 5 T PCE 10 IS BRECCIA SIMILAR TO THAT IN LAST SECTION; 6 A EXTENSIVELY; 7 V % VESICULAR; 8 59448 48 2 0 560 423.00 424.50 425.06 ZAK 10 1 L APHYRIC BASALT; 2 N PCE 1A (2-7), 1B (7-14), 1C (15-22), 2 (25-33), 3 N 3A (36-39), 3B (40-46), 4A (48-50), 4B (51-56); 4 T APHYRIC, FINE-GRAINED, HYALOPILITIC, POROSITY 5-10%; 5 A FRESH; 6 O BASALT IS LIGHT OLIVE COLOR 5Y5/2, NEW FLOW UNIT 7 O STARTS AT PCE 5; 8 V 3-4 3-5 SPHERICAL 9 V % MAINLY EMPTY, SOME IRREGULAR; 10 59448 48 2 5801370 423.00 425.08 425.87 ZAK 13 1 L APHYRIC BASALT; 2 N PCE 5 (58-61), 6A (64-68), 6B (70-77), 6C (77-80), 3 N 6D (80-87), 7 (90-98), 8 (101-125), 9A (127-132), 4 N 9B (133-137); 5 T APHYRIC, SIMIILAR TO FLOW UNIT ABOVE, PCE 5 IS A 6 T FRAGMENT OF BRECCIA CONSISTING OF CLASTS OF HIGHLY 7 T ALTERED VARIOLITIC AND APHYRIC BASALTS AND ALTERED 8 T VOLCANIC GLASS CEMENTED BY ZEOLITES, THIS MIGHT ALSO 9 T BELONG TO THE GLASSY AUTOBRECCIATION MARGIN OF THE 10 T FLOW; 11 A FRESH; 12 R ZEOLITE 13 59448 48 3 0 870 423.00 426.00 426.87 SCOT 19 1 L PLAG-OL SPARSELY PHYRIC BASALT; 2 N PCE 1 (1-3), 2A (7-12), 2B (13-17), 3A (19-27), 3 N 3B (28-33), 3C (35-40), 4 (42-46), 5A (49-55), 4 N 5B (56-64), 5C (65-72), 5D (72-78), 5E (78-83), 5 N 5F (83-87); 6 T PLAG-OL SPARSELY PHYRIC, INTERSERTAL; 7 A MODERATELY 8 A % FROM PCE 1-3B; 9 A EXTENSIVELY 10 A % FROM PCE 3B-5F; 11 V <10 5 12 V % PCES 1-4; 13 V <15 20 14 V % PCES 5A-F, PCE 5C HAS LARGE VESICLES (15MM); 15 P PLAG 16 P % RARE MICROPHENOS IN PCE 2A; 17 P OL 18 P % IN PCES 5A-F; 19 59448 48 3 9001250 423.00 426.90 427.25 SCOT 20 1 L BASALTIC BRECCIA; 2 N PCE 6 (90-92), 7A (95-101), 7B (102-105), 3 N 7C (107-125); 4 T MICROBRECCIA CLASTS ARE ANGULAR AND CONSIST OF THE 5 T FOLLOWING: 7% FRESH GLASS AND 40% ALTERED GLASS AND 6 T 10% FINE GRAINED PALE GREY BASALT WITH APHANITIC AND 7 T INTERSERTAL TEXTURE AND 40% VARIOLITIC BASALT 8 T WITH 0.01MM MICROPHENOS OF PLAG (MICROLATHS TO 9 T MICRODOLERITE), MATRIX CONSISTS OF FINELY XTLN 10 T ZEOLITE AND POSSIBLY SOME NON-VISIBLE VOLCANIC GLASS 11 T MADE OF MOSTLY MICROXTLN CARB, CLAST TO MATRIX RATIO 12 T OF 9:1, CLASTS ARE ANGULAR AND 0.5CM ON AVERAGE BUT 13 T VARIABLE WITH A MAXIMUM OF 1.0CM, MARGINS NOT 14 T CHILLED, VESICULAR BASALTIC CLAST IN BRECCIA IN 15 T PCE 7A; 16 A FRESH; 17 O COLOR IS 5Y7/2; 18 R CARB 19 R ZEOLITE 20 59448 48 4 01430 423.00 427.50 428.93 SCOT 19 1 L BASALTIC BRECCIA; 2 N PCE 1A (1-3), 1B (5-18), 1C (19-36), 1D (38-48), 3 N 1E (49-65), 1F (65-78), 1G (80-87), 1H (87-96), 4 N 1I (96-103), 1J (104-110), 1K (110-121), 5 N 1L (121-127), 1M (128-135), 1N (136-143); 6 T BRECCIA CONSISTS OF CLAST TO MATRIX RATIO OF 9:1, 7 T CLASTS ARE ANGULAR AND ARRANGED IN ALTERNATE LAYERS 8 T MAY BE EITHER SHARP OR GRADATIONAL, CLASTS IN 9 T COARSE LAYERS ARE MAINLY 0.5-1.0CM WITH A MAXIMUM OF 10 T 2CM AND IN FINE LAYERS 0.3-0.5CM WITH A MAXIMUM OF 11 T 0.8CM, CLASTS CONSIST OF BASALT AND ALTERED GLASS 12 T (WHITE-YELLOW TO PALE BROWN), MATRIX MADE OF 13 T MICROXTLN CEMENT OF CARB COMPOSITION, IN PCE 1G 14 T THERE IS A CLAST (6CM) COMPOSED OF VESICULAR OL 15 T SPARSELY PHYRIC BASALT; 16 A MOD; 17 O BRECCIA COLOR MODERATE YELLOWISH BROWN (10YR5/4); 18 R CARB 19 59448 48 5 0 160 423.00 429.00 429.16 SCOT 5 1 L BASALTIC BRECCIA; 2 N PCE 1 (3-16); 3 T BRECCIA WITH SAME DESCRIPTION AS CORE 48-4; 4 O COLOR MODERATE YELLOWISH BROWN (10YR5/4); 5 59448 49 1 0 170 432.50 432.50 432.67 SCOT 7 1 L APHYRIC BASALT; 2 N PCE 1A (1-2), 1B (3-4), 1C (6-10), 1D (11-17); 3 T APHYRIC, FINE GRAINED, SIMILAR TO BASALT IN UPPER 4 T FLOW OF CORE 48-3; 5 A EXTENSIVELY; 6 A % WEATHERED; 7 59448 49 1 200 290 432.50 432.70 432.79 SCOT 6 1 L MUDSTONE; 2 N PCE 2A (20-27), 2B (28-29); 3 S FAULT IN PCE 2A; 4 O PALE OLIVE, CLEAR VITRIC BAND SUBPARALLEL TO 5 O STRATIFICATION, OTHER SIDE OF FAULT IS (10YR6/2); 6 59448 49 1 300 550 432.50 432.80 433.05 SCOT 7 1 L VOLCANIC TUFF; 2 N PCE 2C (30-33), 2D (34-36), 2E (38-45), 2F (45-55); 3 T INTERMIXED IRREGULAR BANDS AND INTERLAYERS OF MORE 4 T WEATHERED GLASS UP TO 3CM THICK; 5 A FRESH; 6 O TUFF COLOR (10Y8/2), GLASS COLOR (10YR6/2); 7 59448 49 1 590 710 432.50 433.09 433.21 SCOT 5 1 L MUDSTONE; 2 N PCE 2G (59-71); 3 O MUDSTONE COLOR (10YR8/2) WITH FAINT PARALLEL 4 O LAMINATION OVERLYING (5Y7/2) MUDSTONE OR TUFF; 5 59448 49 1 7601170 432.50 433.26 433.67 SCOT 16 1 L BASALTIC BRECCIA; 2 N PCE 3A (76-90), 3B (92-101), 3C (102-107), 3 N 3D (108-117); 4 T BRECCIA CONSISTS OF MATRIX TO CLAST RATIO OF 1:5, 5 T CLASTS ARE ANGULAR WITH SHARP EDGES, DIMENSIONS OF 6 T CLASTS <1.5CM AND COMPOSED OF VARIOUS TYPES OF 7 T BASALT (VESICULAR) AND YELLOW WEATHERED GLASS, 25% 8 T IS FRESH BASALT AND THE REMAINDER IS APPROXIMATELY 9 T EQUAL PROPORTIONS OF ALTERED BASALT AND GLASS, 10 T MATRIX CONSISTS OF GLASS (DOMINANT FROM 90-105CM) 11 T AND BASALT (105-115CM), SECTION COARSER TOWARDS 12 T BOTTOM, MATRIX CEMENTED WITH ZEOLITE; 13 O COLOR OF MATRIX IS GREYISH YELLOW (5Y8/4) TO PALE 14 O GREENISH YELLOW (10Y8/2); 15 R ZEOLITE 16 59448 50 1 01420 442.00 442.00 443.42 MTY 16 1 L BASALTIC BRECCIA; 2 N PCE 1A (3-8), 1B (9-15), 1C (7-18), 1D (19-36), 3 N 1E (38-42), 1F (43-53), 1G (54-63), 1H (64-67), 4 N 1I (68-73), 1J (74-95), 1K (96-104), 1L (105-108), 5 N 1M (109-115), 1N (116-122), 1O (122-129), 6 N 1P (130-136), 1Q (137-142); 7 T BRECCIA CLAST TO MATRIX RATIO IS 5:1, CLASTS ARE 8 T ANGULAR TO SUBROUNDED WITH RARE SPHERICAL SHAPES, 9 T CLASTS BECOME COARSER DOWN SECTION, NEAR TOP OF 10 T SECTION CLASTS ARE <1CM AND NEAR BOTTOM <3.5CM, 11 T CLASTS CONSIST OF POLYGENETIC BASALT OF VARIOUS 12 T TEXTURES AND SOME WEATHERED GLASS, MATRIX DUSKY 13 T GREEN TO GREYISH GREEN (5G3/2 TO 10G4/2) DUE TO 14 T CELAD, CEMENTED BY ZEOLITE CONCENTRATED AROUND 15 T GRAIN BOUNDARIES; 16 59448 50 2 01500 442.00 443.50 445.00 SCOT 21 1 L BASALTIC BRECCIA; 2 N PCE 1A (1-4), 1B (5-14), 1C (14-16), 1D (17-23), 3 N 1E (24-31), 1F (31-37), 1G (37-40), 1H (42-47), 4 N 1I (48-54), 1J (54-62), 1K (62-65), 1L (66-74), 5 N 1M (75-81), 1N (82-84), 1O (85-90), 1P (90-94), 6 N 1Q (95-98), 1R (98-105), 1S (106-114), 1T (114-124), 7 N 1U (124-130), 1V (131-137), 1W (137-143), 8 N 1X (144-150); 9 T BRECCIA CONSISTS OF CLAST TO MATRIX RATIO OF 5:1, 10 T CLASTS ARE VERY ANGULAR TO SUBROUNDED WITH THE 11 T ANGULAR ONES BEING SMALLER, CLASTS BECOME COARSER 12 T DOWN SECTION, TOP OF SECTION CLASTS ARE <4CM AND 13 T BOTTOM OF SECTION CLASTS ARE <10CM, COMPOSITION 14 T OF CLASTS IS DOMINANTLY VESICULAR BASALT WITH RARE 15 T GLASSY MARGINS, BASALT IS APHYRIC TO PLAG PHYRIC 16 T BASALT WITH RARE WEATHERED GLASS, MATRIX SIMILAR TO 17 T PREVIOUS SECTION WITH ZEOLITE OR SILICA CEMENT; 18 O PCE 1X CONTAINS SMALL FLAKE OF NATIVE COPPER (1MM); 19 R ZEOLITE 20 R SILICA 21 59448 50 3 01490 442.00 445.00 446.49 SCOT 21 1 L BASALTIC BRECCIA; 2 N PCE 1A (2-8), 1B (10-11), 1C (13-15), 1D (16-22), 3 N 1E (23-27), 1F (27-32), 1G (33-38), 1H (40-41), 4 N 1I (43-50), 1J (52-58), 1K (60-66), 1L (67-71), 5 N 1M (72-76), 1N (77-79), 1O (80-86), 1P (86-92), 6 N 1Q (94-100), 1R (101-104), 1S (105-110), 7 N 1T (112-117), 1U (118-120), 1V (122-125), 8 N 1W (127-131), 1X (132-136), 1Y (137-140), 9 N 1Z (142-144), 1AA (146-149); 10 T BRECCIA CONSISTS OF CLAST TO MATRIX RATIO OF 4.5:1, 11 T SHAPE SAME AS PREVIOUS SECTION BECOMING COARSER 12 T DOWN SECTION, TOP OF SECTION CLASTS ARE <15CM AND 13 T NEAR BOTTOM <6CM, CLASTS COMPOSED OF VESICULAR 14 T BASALT, DIFFERENCES INCLUDE REDDISH BROWN OL-BEARING 15 T ANDESITE AND MEDIUM GRAINED DIORITE, MATRIX IS SAME 16 T COLOR AS PREVIOUS SECTION WITH A GREATER PROPORTION 17 T OF CARB, VOID FILLINGS ALSO MORE COMMON WITH 18 T INTERCLAST CAVITIES, CONTAINS LESS GLASS THAN CORES 19 T 50-1 AND 50-2; 20 R CARB 21 59448 50 4 01490 442.00 446.50 447.99 MTY 20 1 L BASALTIC BRECCIA; 2 N PCE 1A (1-3), 1B (4-8), 1C (7-17), 1D (17-22), 3 N 1E (22-26), 1F (27-34), 1G (34-39), 1H (40-43), 4 N 1I (42-53), 1J (54-56), 1K (56-61), 1L (62-66), 5 N 1M (68-75), 1N (75-79), 1O (80-85), 1P (85-93), 6 N 1Q (93-99), 1R (99-110), 1S (110-116), 1T (117-121), 7 N 1U (122-127), 1V (128-138), 1W (139-145), 8 N 1X (144-149); 9 T BRECCIA CONSISTS OF CLAST TO MATRIX RATIO OF 4.5:1, 10 T CLASTS ARE <15CM NEAR TOP OF SECTION AND <7CM NEAR 11 T BOTTOM, COMPOSITION OF CLASTS DOMINANTLY BASALT OF 12 T VARIOUS TEXTURES AND PHENOS CONTENT, RARE CLASTS 13 T OCCUR OF REDDISH OL-BEARING ANDESITE OF 1-3CM IN PCE 14 T 1H AND 1O, MATRIX SIMILAR TO PREVIOUS SECTION WITH 15 T CONCENTRATION OF WHITE (ZEOLITE OR SILICA) CEMENT 16 T AROUND CLASTS; 17 R CARB 18 R ZEOLITE 19 R SILICA 20 59448 50 5 01470 442.00 448.00 449.47 MTY 20 1 L BASALTIC BRECCIA; 2 N PCE 1A (1-9), 1B (10-13), 1C (15-18), 1D (20-23), 3 N 1E (25-29), 1F (30-37), 1G (38-42), 1H (43-47), 4 N 1I (49-55), 1J (56-61), 1K (62-67), 1L (68-74), 5 N 1M (75-83), 1N (84-92), 1O (92-97), 1P (98-103), 6 N 1Q (104-107), 1R (109-112), 1S (115-120), 7 N 1T (120-130), 1U (131-138), 2 (140-147); 8 T BRECCIA CONSISTS OF CLAST TO MATRIX RATIO OF 4:1, 9 T CLASTS NEAR TOP ARE <15CM WITH AN AVERAGE OF 3-5CM 10 T AND NEAR BOTTOM ARE <15CM WITH AN AVERAGE OF 5CM, 11 T CLASTS CONSIST OF LARGE FRAGMENTS OF VESICULAR 12 T BASALT WITH VESICLES LINED WITH ZEOLITE (75-80CM), 13 T MATRIX SIMILAR TO PREVIOUS SECTIONS WITH FEWER 14 T INTERCLAST VOIDS, CLASTS SURROUNDED BY CALC+ZEOLITE, 15 T PCE 2 IS NEW UNIT WITH VOLCANIC BRECCIA LIKE ABOVE, 16 T ABUNDANT ZEOLITE/SILICA CEMENT ALONG GRAIN 17 T BOUNDARIES WITH WIDE RANGE IN CLAST DIMENSIONS 18 T (0.2-10CM); 19 O MATRIX OF PCE 2 IS YELLOW (2.5Y7/6 TO 7/8); 20 59448 51 1 01480 451.50 451.50 452.98 MTY 20 1 L BASALTIC BRECCIA; 2 N PCE 1A (1-12), 1B (13-21), 1C (21-27), 1D (27-34), 3 N 1E (35-40), 1F (41-45), 1G (46-51), 1H (51-56), 4 N 1I (57-63), 1J (63-69), 1K (71-76), 1L (76-85), 5 N 1M (84-93), 1N (93-102), 1O (102-111), 1P (112-120), 6 N 1Q (122-130), 1R (130-140), 1S (141-148); 7 T BRECCIA CONSISTS OF CLAST TO MATRIX RATIO OF 4:1, 8 T GENERALLY SIMILAR TO GREENISH BRECCIAS DESCRIBED 9 T PREVIOUSLY, NO OBVIOUS GRADATION IN CLAST SIZE, 10 T VERY POORLY SORTED, ANGULAR SMALL CLASTS TO VERY 11 T WELL-ROUNDED LARGER CLASTS, LARGEST CLASTS UP TO 12 T 25CM, AVERAGE CLAST SIZE 1.5-6CM, COMPOSITION 80% 13 T VESICULAR AND PLAG PHYRIC BASALT, 20% REDDISH PLAG 14 T PHYRIC ANDESITE, MATRIX IS COMPOSED OF FINE GLASS 15 T AND ZEOLITE; 16 S ZEOLITE FILLED CAVITIES; 17 O YELLOW MATRIX; 18 V TUBE 19 R ZEOLITE 20 59448 51 2 01500 451.50 453.00 454.50 MTY 19 1 L BASALTIC BRECCIA; 2 N PCE 1A (0-13), 1B (14-22), 1C (22-29), 1D (30-35), 3 N 1E (36-39), 1F (41-47), 1G (47-52), 1H (52-57), 4 N 1I (57-63), 1J (64-65), 1K (66-74), 1L (74-80), 5 N 1M (81-87), 1N (88-92), 1O (93-101), 1P (102-105), 6 N 1Q (105-113), 1R (114-115), 1S (117-120), 7 N 1T (121-127), 1U (128-135), 1V (138-140), 8 N 1X (147-150); 9 T BRECCIA CONSISTS OF CLAST TO MATRIX RATIO OF 4:1, 10 T CLASTS PHYSICALLY SIMILAR TO PREVIOUS SECTION, 11 T NO GRADATION IN SIZE, UNSORTED, MAXIMUM SIZE 17CM 12 T AND AVERAGE SIZE <2CM, COMPOSITION VESICULAR 13 T OL SPARSELY PHYRIC PILLOW BASALT (95%) AND 5% 14 T ANDESITIC MATERIAL, RARE CLASTS OF SEDIMENTS (3MM), 15 T MATRIX SIMILAR TO PREVIOUS CORES BUT MORE CARB 16 T CEMENT; 17 O ANDESITE CLAST COLOR 10R4/2, SEDIMENT CLASTS; 18 R CARB 19 59448 51 3 0 120 451.50 454.50 454.62 MTY 5 1 L BASALTIC BRECCIA; 2 N PCE 1A (1-6), 1B (7-12); 3 T SAME DESCRIPTION AS ABOVE; 4 S PART OF PREVIOUS UNIT; 5 59448 51 3 130 700 451.50 454.63 455.20 MTY 14 1 L VOLCANIC TUFF; 2 N PCE 1C (13-19), 1D (20-22), 1E (23-31), 1F (32-38), 3 N 1G (39-43), 1H (44-48), 1I (49-56), 1J (56-62), 4 N 1K (62-65), 1L (66-70); 5 T YELLOW LAYER IS BAND 1-2CM THICK (COLOR 2.5Y5/4), 6 T COMMON MANGANESE DENDRITES, PARALLEL LAMINATION 7 T 1CM THICK IN INTERVAL 53-63CM; 8 S EVIDENCE OF FRACTURING AND FAULTING IN INTERVAL 9 S 13-30CM, DISPLACEMENT <1CM, CALC-FILLED FRACTURES 10 S FROM 60-72CM; 11 O COLOR FROM 10-63CM YELLOW (2.5Y5/4) AND FROM 63-70CM 12 O PALE YELLOW (5Y7/3); 13 R CALCITE 14 59448 51 3 7001500 451.50 455.20 456.00 MTY 17 1 L BASALTIC BRECCIA; 2 N PCE 1M (70-76), 1N (74-82), 1O (82-88), 1P (89-93), 3 N 1Q (93-98), 2 (100-110), 3A (113-118), 3B (119-122), 4 N 3C (123-131), 3D (131-138), 3E (138-141), 5 N 4 (144-150); 6 T BRECCIA CONSISTS OF CLAST TO MATRIX RATIO OF 5:1, 7 T CLASTS CONSIST OF 50% BASALT AND 50% REXTLZED 8 T WHITE NANNO FOSSIL CHALK (5Y8-1), GRADES INTO JUST 9 T BASALT TOWARDS BOTTOM, CARB CEMENT; 10 S PILLOW FRAGMENT FROM 70-98CM, FRAGMENTS FROM 4-25CM 11 S OF PILLOW BASALT WITH GLASSY RIMS, PCE 4 IS GLASSY 12 S TOP OF NEW FLOW; 13 A MOD; 14 A % PCE 4; 15 O SEDIMENT IN BRECCIA; 16 R CARB 17 59448 51 4 0 440 451.50 456.00 456.44 MTY 8 1 L APHYRIC BASALT; 2 N PCE 1 (1-19), 2A (24-27), 2B (29-35), 2C (36-44); 3 T APHYRIC, APHANITIC, FLAT GLASS CONTACTS IN PCE 1; 4 S GLASS CONTACTS SUGGEST TOP OF FLOW UNIT; 5 A MOD; 6 O GREENISH GREY BASALT; 7 V <10 8 59448 52 1 0 930 461.00 461.00 461.93 MTY 17 1 L PLAG-OL SPARSELY PHYRIC BASALT; 2 N PCE 1A (2-3), 1B (5-6), 1C (8-13), 1D (15-16), 3 N 1E (17-19), 1F (19-21), 1G (23-26), 1H (27-28), 4 N 1I (29-32), 2A (36-38), 2B (39-40), 2C (41-46), 5 N 2D (48-53), 2E (55-64), 3 (68-78), 4 (80-85), 6 N 5 (88-93); 7 T PLAG-OL SPARSELY PHYRIC, GLOMEROPHYRIC, FINE GRAINED 8 T TO XTLN(80%), VARIOLITIC NEAR GLASS MARGINS, 9 T COARSER TOWARDS BOTTOM; 10 A EXT; 11 V <1010-15 TUBULAR 12 P PLAG <2 <0.5 13 P % GLOMEROPHYRIC; 14 P OL <1 <1 15 P % PALE ORANGE EUHEDRAL PSEUDOMORPHS, OL RICH (2%) IN 16 P % PCES 1D-I; 17 59448 52 1 9501420 461.00 461.95 462.42 MTY 12 1 L PLAG-OL SPARSELY PHYRIC BASALT; 2 N PCE 6 (95-100), 7 (103-112), 8A (115-122), 3 N 8B (123-126), 8C (127-133), 8D (132-137), 4 N 8E (138-142); 5 T PLAG-OL SPARSELY PHYRIC, SIMILAR TO ABOVE SECTION 6 T BUT FINER GRAINED, GLASS IN PCE 6; 7 A EXT; 8 O FLOW GOES INTO NEXT SECTION; 9 V % VESICULAR; 10 P PLAG 11 P OL 12 59448 52 2 01140 461.00 462.50 463.64 MTY 15 1 L PLAG-OL SPARSELY PHYRIC BASALT; 2 N PCE 1 (2-7), 2A (14-18), 2B (21-26), 3A (29-35), 3 N 3B (37-42), 3C (43-48), 3D (49-56), 3E (57-64), 4 N 3F (64-68), 3G (69-75), 3H (76-82), 3I (83-92), 5 N 3J (93-98), 4 (103-114); 6 T PLAG-OL SPARSELY PHYRIC, VERY SIMILAR BASALTS TO 7 T THOSE DESCRIBED IN PREVIOUS SECTIONS; 8 A EXT; 9 V 10 SPHERICAL 10 V % EMPTY OR WITH A THIN VENEER OF BROWN SMEC; 11 V 5-10 TUBULAR 12 P PLAG 13 P OL 14 R SMEC 15 59448 53 1 01480 470.50 470.50 471.98 MTY 19 1 L PLAG SPARSELY PHYRIC BASALT; 2 N PCE 1A (1-6), 1B (7-10), 1C (12-14), 1D (15-20), 3 N 1E (20-25), 1F (25-31), 1G (32-40), 1H (41-44), 4 N 1I (44-47), 1J (47-51), 2 (53-60), 3 (62-67), 5 N 4A (71-76), 4B (77-84), 4C (85-90), 4D (92-97), 6 N 4E (98-107), 4F (108-117), 4G (117-126), 7 N 4H (128-133), 4I (134-140), 5 (143-148); 8 T PLAG SPARSELY PHYRIC, SIMILAR TO PREVIOUS SECTION 9 T EXCEPT FOR ABSENCE OF OL; 10 S BASE OR CENTER OF FLOW MAY BE FROM 92-140CM, VEINS 11 S FILLED WITH ZEOLITES; 12 A EXT; 13 V <15 14 V % PARTLY LINED WITH ROSETTES OF COLORLESS ZEOLITE, 15 V % LESS VESICULAR TOWARDS THE BOTTOM; 16 P PLAG 17 P OL 0 18 R ZEOLITE 19 59448 53 2 0 700 470.50 472.00 472.70 MTY 10 1 L PLAG SPARSELY PHYRIC BASALT; 2 N PCE 1A (2-6), 1B (6-7), 1C (7-15), 1D (17-18), 3 N 1E (20-23), 1F (24-31), 1G (32-42), 1H (44-52), 4 N 1I (53-61), 1J (62-70); 5 T PLAG SPARSELY PHYRIC, SIMILAR TO PREVIOUS SECTION; 6 S GLASS IN PCE 1G INDICATES SEPARATION BETWEEN TWO 7 S FLOWS; 8 A EXT; 9 V % VESICULAR; 10 59448 54 1 0 330 480.00 480.00 480.33 MTY 10 1 L PLAG SPARSELY PHYRIC BASALT; 2 N PCE 1A (1-5), 1B (7-10), 1C (11-13), 2 (18-22), 3 N 3 (25-33); 4 T PLAG SPARSELY PHYRIC; 5 S GLASS IN PCES 1A AND 2 INDICATE SEPARATIONS 6 S BETWEEN FLOWS; 7 A EXT; 8 V % VESICULAR; 9 P PLAG 10 59448 55 1 0 800 489.50 489.50 490.30 MTY 8 1 L PLAG SPARSELY PHYRIC BASALT; 2 N PCE 1 (1-8); 3 T PLAG SPARSELY PHYRIC, GLASSY MARGIN; 4 S PART OF FLOW UNIT FROM ABOVE; 5 A EXT; 6 V % VESICULAR; 7 P PLAG 8 59448 55 1 130 640 489.50 489.63 490.14 MTY 16 1 L BASALTIC BRECCIA; 2 N PCE 2 (13-14), 3A (16-22), 3B (22-25), 3C (25-31), 3 N 3D (31-35), 3E (35-40), 4 (42-49), 5A (52-56), 4 N 5B (57-60), 5C (60-64); 5 T BRECCIA CONSISTS OF CLAST TO MATRIX RATIO OF 5:1, 6 T CLASTS ARE SUB-ANGULAR TO SUB-ROUNDED AND SHAPELESS 7 T TO SPHERICAL, SIZE RANGES FROM A MAXIMUM OF 1.5CM 8 T TO AN AVERAGE OF 0.5CM, NO GRADATION OR SORTING, 9 T COMPOSITION OF CLASTS IS 5% ANDESITE AND 75% 10 T WEATHERED BASALT AND 20% WEATHERED GLASS, MATRIX 11 T CONSISTS OF ZEOLITE OR SILICA WITH INTERCLAST 12 T CAVITIES WHICH ARE RARE AND EMPTY; 13 O MATRIX COLOR IS LIGHT OLIVE BROWN (2.5Y5/4 TO 5/5); 14 R ZEOLITE 15 R SILICA 16 59448 55 1 6401490 489.50 490.14 490.99 MTY 15 1 L BASALTIC BRECCIA; 2 N PCE 5D (64-67), 5E (68-69), 5F (69-70), 6 (73-78), 3 N 7A (80-82), 7B (83-85), 8 (87-92), 9A (94-96), 4 N 9B (97-102), 9C (106-110), 9D (107-110), 5 N 9E (110-117), 9F (118-121), 10 (124-126), 6 N 11A (129-132), 11B (132-137), 11C (138-143), 7 N 11D (143-147), 11E (148-149); 8 T BRECCIA CONSISTS OF GREEN MATRIX SIMILAR TO ABOVE, 9 T CLASTS ARE LARGER WITH A MAXIMUM OF 7CM AND AN 10 T AVERAGE OF 1CM COMPOSED OF REDDISH BASALT, MATRIX IS 11 T COMPOSED OF ZEOLITE AROUND GRAIN BOUNDARIES; 12 O MATRIX COLOR (5GY3/2 TO 10GY3/2) AND BASALT 13 O (10R3/2); 14 R ZEOLITE 15 59448 55 2 01500 489.50 491.00 492.50 MTY 15 1 L BASALTIC BRECCIA; 2 N PCE 1A (2-4), 1B (5-8), 1C (9-14), 2 (15-20), 3 N 3A (21-26), 3B (27-29), 3C (29-34), 3D (35-37), 4 N 3E (39-45), 3F (45-49), 3G (50-54), 3H (55-57), 5 N 3I (59-60), 3J (60-62), 3K (63-65), 3L (67-69), 6 N 3M (70-74), 4 (75-85), 5 (87-93), 6 (95-115), 7 N 7A (117-120), 7B (122-125), 7C (125-130), 8 N 8 (132-140), 9 (142-150); 9 T BRECCIA CONSISTS OF OL RICH BASALT AND APHYRIC 10 T BASALT CLASTS (3-8CM) CONCENTRATED FROM 30-50CM 11 T AND 115-150CM, SIMILAR TO BRECCIA IN PREVIOUS 12 T SECTION, MATRIX GREEN; 13 A % BASALT FRAGMENTS ARE FRESH; 14 O MATRIX GREEN; 15 59448 55 3 01080 489.50 492.50 493.58 MTY 12 1 L BASALTIC BRECCIA; 2 N PCE 1A (1-10), 1B (10-19), 1C (20-32), 1D (20-32), 3 N 1E (38-42), 2 (44-48), 3A (50-60), 3B (60-73), 4 N 3C (73-95), 3D (95-108); 5 T BRECCIA CONSISTS OF CLASTS IN GREEN MATRIX, SIMILAR 6 T TO PREVIOUS SECTION, CLASTS DECREASE IN SIZE DOWN 7 T SECTION WITH SLIGHT INCREASE FROM 80-110CM, 8 T INCREASE IN MATRIX PROPORTION IN CENTER OF SECTION, 9 T CLASTS RANGE FROM MAXIMUM OF 4CM (TOP) TO 0.8CM 10 T (MIDDLE) TO 2CM (BOTTOM) AND AVERAGE FROM 2 TO <1CM 11 T TO 1CM RESPECTIVELY; 12 59448 56 1 01500 499.00 499.00 500.50 MTY 14 1 L BASALTIC BRECCIA; 2 N PCE 1 (3-5), 2A (7-10), 2B (11-14), 2C (15-17), 3 N 2D (18-22), 2E (22-31), 2F (30-35), 2G (35-41), 4 N 2H (41-55), 2I (56-61), 2J (62-68), 2K (69-76), 5 N 2L (77-79), 2M (78-83), 2N (83-88), 2O (88-117), 6 N 2P (118-121), 2Q (122-125), 2R (125-130), 7 N 2S (130-134), 2T (135-137), 2U (138-141), 8 N 2V (142-150); 9 T BRECCIA CONSISTS OF CLAST TO GREEN MATRIX 5:1, 10 T SIMILAR TO PREVIOUS SECTION, UNIFORM DISTRIBUTION OF 11 T CLAST SIZE WITH A MAXIMUM OF 3CM AND AN AVERAGE OF 12 T 1CM, NO SORTING OR ORIENTATION; 13 O NATIVE COPPER IN PCES 2M-N, GREEN MATRIX; 14 59448 56 2 01480 499.00 500.50 501.98 ZAK 26 1 L BASALTIC BRECCIA; 2 N PCE 1A (2-7), 1B (8-11), 1C (12-18), 1D (20-21), 3 N 1E (22-23), 1F (24-27), 1G (28-32), 1H (33-38), 4 N 1I (40-44), 1J (45-46), 1K (47-48), 1L (49-53), 5 N 1M (53-64), 1N (65-67), 1O (68-73), 1P (74-79), 6 N 1Q (80-86), 1R (87-92), 1S (94-95), 1T (97-98), 7 N 1U (100-105), 1V (105-107), 1W (108-115), 8 N 1X (115-122), 1Y (122-128), 1Z (130-134), 9 N 1AA (135-142), 1BB (143-148); 10 T BRECCIA CONSISTS OF CLAST TO MATRIX RATIO OF 5:1, 11 T CLASTS ARE SUB-ANGULAR AND SHAPELESS AND MAINLY 12 T ISOMETRIC, SIZE OF CLASTS RANGE FROM A MAXIMUM OF 13 T 3-4CM WITH AN AVERAGE OF 0.5CM, COMPOSITION OF 14 T CLASTS CONSISTS OF FRESH APHYRIC BASALTS (10-15%) 15 T AND OL SPARSELY PHYRIC VESICULAR BASALTS, ALSO SOME 16 T INCLUDE HIGHLY ALTERED BASALT (80-85%) AND SOME 17 T ALTERED GLASS (2-3%), MATRIX CONSISTS OF ZEOLITES OR 18 T SILICA, INTERCLASTS MAINLY EMPTY OR PARTIALLY LINED 19 T WITH ZEOLITE; 20 A % SOME BASALT FRAGMENTS ARE FRESH; 21 O OL SPARSELY PHYRIC BASALT IS MEDIUM DARK GREY (N4) 22 O AND HIGHLY ALTERED BASALT GREYISH OLIVE GREEN 23 O (5GY3/3), NATIVE COPPER IN PCE 1Z; 24 R ZEOLITE 25 R SILICA 26 59448 56 3 01480 499.00 502.00 503.48 ZAK 28 1 L BASALTIC BRECCIA; 2 N PCE 1A (1-4), 1B (6-10), 1C (12-17), 1D (18-23), 3 N 1E (24-26), 1F (26-27), 1G (29-33), 1H (33-36), 4 N 1I (37-38), 1J (40-42), 1K (42-45), 1L (46-49), 5 N 1M (50-51), 1N (52-54), 1O (54-55), 1P (56-64), 6 N 1Q (65-68), 1R (69-72), 1S (73-75), 1T (75-76), 7 N 1U (78-80), 1V (80-83), 1W (85-87), 1X (89-91), 8 N 1Y (92-95), 1Z (95-96), 1AA (98-100), 1BB (100-102), 9 N 1CC (104-106), 1DD (107-108), 1EE (109-112), 10 N 1FF (113-115), 1GG (116-121), 1HH (122-124), 11 N 1II (125-127), 1JJ (128-129), 1KK (130-131), 12 N 1LL (134-135), 1MM (136-137), 1NN (138-139), 13 N 1OO (140-144), 1PP (146-148); 14 T BRECCIA CONSISTS OF CLAST TO MATRIX RATIO OF 5:1, 15 T CLASTS ARE SUB-ANGULAR AND SHAPELESS AND MAINLY 16 T ISOMETRIC, SIZE OF CLASTS ARE ON AVERAGE 0.5CM, 17 T ONE FRAGMENT IS 6X6CM, COMPOSITION OF CLASTS ARE 18 T EITHER HIGHLY ALTERED BASALTS AND BASALTIC 19 T ANDESITES (80-85%) OR FRESH VESICULAR APHYRIC AND 20 T PLAG-OL SPARSELY PHYRIC BASALTS (15-20%), MATRIX 21 T CONSISTS OF ZEOLITE+CARB; 22 A % FRESH BASALT FRAGMENTS NEAR 50CM; 23 O ALTERED BASALTS GREYISH OLIVE GREEN TO GREYISH 24 O GREEN (5GY3/2 TO 10GY5/2), FRESH BASALTS ARE MEDIUM 25 O DARK GREY; 26 R ZEOLITE 27 R CARB 28 59448 56 4 01490 499.00 503.50 504.99 ZAK 26 1 L BASALTIC BRECCIA; 2 N PCE 1A (1-2), 1B (4-8), 1C (9-14), 1D (15-18), 3 N 1E (18-23), 1F (24-28), 1G (29-30), 1H (32-37), 4 N 1I (39-44), 1J (44-46), 1K (47-53), 1L (54-56), 5 N 1M (57-60), 1N (62-65), 1O (65-69), 1P (70-73), 6 N 1Q (74-78), 1R (78-82), 1S (83-94), 1T (96-105), 7 N 1U (106-129), 1V (130-149); 8 T BRECCIA CONSISTS OF CLAST TO MATRIX RATIO OF 5:1, 9 T CLASTS ARE SUB-ANGULAR TO SUB-ROUNDED AND SHAPELESS 10 T TO EQUIDIMENSIONAL WITH NO SORTING, SIZE OF CLASTS 11 T RANGE ON AVERAGE 0.3X0.5CM UP TO RARE LARGE CLASTS 12 T OF 7X6CM, COMPOSITION IS EITHER HIGHLY ALTERED 13 T APHYRIC AND PLAG PHYRIC BASALTS (70%) OR FRESH 14 T VESICULAR BASALTS (APHYRIC OR PLAG PHYRIC-20%), 15 T SOME ALTERED GLASSY BASALTS (PLAG PHYRIC), MATRIX 16 T IS MAINLY ZEOLITES, SMALL INTERCLASTS LINED WITH 17 T ZEOLITE XTLS; 18 A EXT; 19 A % SOME BASALT FRAGMENTS ARE FRESH; 20 O HIGHLY ALTERED BASALT RANGES FROM GREYISH OLIVE TO 21 O GREENISH GREY (10Y4/2 TO 5GY6/1) WITH MINOR DARK 22 O YELLOW BROWN (10YR4/2), FRESH BASALTS ARE LIGHT GREY 23 O (N7) AND GLASSY BASALTS ARE PALE RED TO MODERATE 24 O RED (10R6/2 TO 5R4/6); 25 R ZEOLITE 26 59448 56 5 01420 499.00 505.00 506.42 ZAK 15 1 L BASALTIC BRECCIA; 2 N PCE 1A (1-11), 1B (12-19), 1C (20-29), 1D (30-36), 3 N 1E (38-42), 1F (42-47), 1G (48-52), 1H (53-61), 4 N 1I (61-66), 1J (67-71), 1K (72-74), 1L (74-79), 5 N 1M (80-95), 1N (95-99), 1O (100-102), 1P (103-106), 6 N 1Q (106-110), 1R (112-115), 1S (116-120), 7 N 1T (122-125), 1U (125-131), 1V (132-142); 8 T BRECCIA CONSISTS OF CLAST TO MATRIX RATIO OF 5:1, 9 T SIMILAR TO CORE 56-4, GREEN ALTERED BASALTS 10 T PREDOMINATE, CLASTS PARTIALLY ROUNDED BY ABRASION, 11 T FROM PCE 1M-Q ENRICHED IN LARGE CLASTS OF FRESH 12 T VESICULAR BASALT (5X6CM); 13 A EXT 14 A % FRESH BASALT FRAGMENTS FROM PCES 1M-Q; 15 59448 57 1 01410 508.50 508.50 509.91 ZAK 27 1 L BASALTIC BRECCIA; 2 N PCE 1 (2-7), 2A (9-19), 2B (20-26), 2C (27-37), 3 N 3 (40-44), 4A (45-49), 4B (50-54), 4C (55-57), 4 N 4D (58-61), 4E (62-65), 4F (65-67), 5A (73-75), 5 N 5B (75-76), 5C (78-79), 5D (80-83), 5E (84-86), 6 N 5F (87-89), 6 (92-96), 7A (99-101), 7B (103-109), 7 N 8 (112-115), 9A (118-120), 9B (121-130), 8 N 9C (129-135), 10 (137-141); 9 T BASALTIC BRECCIA CONSISTS OF CLASTS AVERAGING 0.5CM 10 T AND UP TO 10X6CM THAT ARE ANGULAR TO SUB-ANGULAR 11 T WITH NO SORTING OR ORIENTATION, COMPOSITION OF 12 T CLASTS CONSIST OF APHANITIC BASALTS WITH SOME 13 T PLAG-OL SPARSELY PHYRIC, SOME CLASTS HAVE HIGHLY 14 T ALTERED VESICULAR PLAG SPARSELY PHYRIC BASALTS 15 T (45%), MATRIX MAKES UP 5% OF ROCK AND IS ZEOLITIC 16 T WITH CAVITIES LINED WITH ZEOLITE XTLS AND POSSIBLY 17 T CARB, MATRIX AROUND LARGE CLASTS IS ALTERED BASALT 18 T FRAGMENTS AND ZEOLITE CEMENT; 19 A % FRESH BASALTS ARE IN PCES 2A-C AND 6; 20 O LOCALLY BASALTS CONTAIN SMALL GRAINS OF NATIVE 21 O COPPER, APHANITIC BASALTS ARE MEDIUM LIGHT GREY, 22 O HIGHLY ALTERED BASALTS ARE GREYISH OLIVE GREEN 23 O (5GY3/2); 24 V % VESICLES MAINLY EMPTY; 25 R ZEOLITE 26 R CARB 27 59448 57 2 01420 508.50 510.00 511.42 ZAK 27 1 L BASALTIC BRECCIA; 2 N PCE 1A (2-12), 1B (13-20), 1C (22-27), 2 (31-33), 3 N 3 (35-40), 4 (42-48), 5A (50-53), 5B (54-57), 4 N 5C (58-62), 5D (63-67), 5E (68-70), 5F (72-75), 5 N 5G (76-80), 6 (82-97), 7 (100-117), 8 (120-128), 6 N 9A (132-135), 9B (137-142); 7 T BRECCIA CONSISTS OF CLAST TO MATRIX RATIO OF 4:1, 8 T CLASTS ARE ANGULAR TO SUB-ANGULAR WITH NO SORTING OR 9 T ORIENTATION, SIZE RANGES FROM 20X6CM AT MAXIMUM TO 10 T AN AVERAGE OF 2X3CM, TOP AND BOTTOM OF SECTION 11 T ENRICHED WITH CLASTS OF MAXIMUM SIZE, COMPOSITION OF 12 T CLASTS CONSISTS OF FINE GRAINED APHYRIC TO PLAG-OL 13 T PHYRIC BASALTS, VESICULARITY OF BASALT VARIES FROM 14 T 30% MAXIMUM AND 1X2MM TO NONE, PCE 7 MAY BE PLAG 15 T PHYRIC BASALTIC ANDESITE, TEXTURE OF LARGE CLASTS 16 T VARIES FROM APHANITIC TO HYALOPILITIC, LARGE CLASTS 17 T ARE 60-75% OF ROCK, MATRIX CONSISTS OF SMALL CLASTS 18 T OF HIGHLY ALTERED VESICULAR BASALTS WHICH ARE FINE 19 T GRAINED AND CEMENT OF ZEOLITE+CARB (25%), WHERE 20 T LARGE CLASTS ARE ABSENT ONLY MATRIX IS PRESENT AND 21 T IT IS MICROBRECCIA (GREEN) WITH ALTERED BASALTS IN 22 T ZEOLITE+CARB CEMENT; 23 O LARGE CLASTS OF BASALT ARE MEDIUM LIGHT GREY, MATRIX 24 O CLASTS ARE GREYISH OLIVE GREEN (5GY3/2); 25 R ZEOLITE 26 R CARB 27 59448 58 1 01490 518.00 518.00 519.49 ZAK 15 1 L BASALTIC BRECCIA; 2 N PCE 1A (1-3), 1B (4-12), 1C (13-16), 1D (17-19), 3 N 1E (20-21), 1F (23-27), 1G (27-29), 1H (30-34), 4 N 1I (35-38), 1J (39-40), 1K (42-47), 1L (48-51), 5 N 1M (53-54), 1N (55-56), 1O (58-59), 1P (60-62), 6 N 2 (64-66), 3A (70-74), 3B (75-78), 4 (81-83), 7 N 5A (85-88), 5B (90-91), 5C (92-95), 6 (97-98), 8 N 7A (100-102), 7B (104-106), 7C (108-112), 9 N 7D (114-115), 7E (116-119), 8 (122-126), 10 N 9A (128-131), 9B (132-134), 9C (135-136), 11 N 10A (139-140), 10B (142-145), 10C (145-149); 12 T GREEN BRECCIA AS IN PREVIOUS SECTION, SLIGHTLY LESS 13 T ENRICHED WITH LARGE CLASTS; 14 A EXT; 15 59448 58 2 01500 518.00 519.50 521.00 ZAK 26 1 L BASALTIC BRECCIA; 2 N PCE 1A (1-3), 1B (4-6), 1C (7-10), 1D (11-14), 3 N 1E (15-17), 1F (18-22), 1G (23-25), 1H (26-37), 4 N 1I (38-41), 1J (42-44), 1K (45-48), 1L (49-52), 5 N 1M (54-58), 1N (59-60), 1O (61-63), 1P (64-69), 6 N 1Q (70-74), 1R (74-79), 1S (80-83), 1T (84-87), 7 N 1U (89-94), 1V (95-98), 2 (101-105), 3A (107-109), 8 N 3B (110-116), 3C (118-119), 3D (120-125), 9 N 3E (126-130), 3F (131-136), 3G (137-142), 10 N 3H (143-150); 11 T BRECCIA FROM TOP TO PCE 1E SAME AS PREVIOUS SECTION, 12 T SHORT TRANSITION BOUNDARY BETWEEN TWO MATRIX COLORS 13 T FROM GREEN TO YELLOW, BRECCIA CONSISTS OF CLAST TO 14 T MATRIX RATIO OF 4:1, CLASTS ARE MAINLY ANGULAR OR 15 T SUB-ANGULAR AND IRREGULAR, SIZE RANGES FROM A 16 T MAXIMUM OF 13X5CM TO AN AVERAGE OF 3X2CM, 17 T COMPOSITION OF CLASTS CONSISTS OF APHYRIC TO PLAG-OL 18 T SPARSELY PHYRIC FINE GRAINED HIGHLY ALTERED 19 T BASALTS AND VARIOLITIC BASALTS AND VOLCANIC GLASS 20 T (70% OF MATRIX), ZEOLITES AND SOME CARB CEMENTING 21 T BASALT AND GLASS (30% OF MATRIX), YELLOW MATRIX IS 22 T MICROBRECCIA; 23 A EXT; 24 O BASALT CLASTS GREYISH OLIVE GREEN TO DUSKY YELLOW 25 O (5GY3/2 TO 5Y6/4), MATRIX IS LIGHT OLIVE (5Y5/2); 26 59448 58 3 0 220 518.00 521.00 521.22 ZAK 6 1 L BASALTIC BRECCIA; 2 N PCE 1A (1-8), 1B (9-17), 1C (18-22); 3 T BRECCIA WITH YELLOW MATRIX AS IN CORE 58-2, AT 4 T BOTTOM OF INTERVAL 3CM THICK FINE GRAINED BRECCIA; 5 A EXT; 6 59448 58 3 2501150 518.00 521.25 522.15 ZAK 23 1 L PLAG MOD PHYRIC BASALT; 2 N PCE 2 (25-29), 3A (31-36), 3B (37-41), 3C (43-46), 3 N 3D (46-50), 3E (50-52), 3F (53-55), 3G (56-58), 4 N 3H (59-60), 3I (61-66), 3J (67-71), 3K (70-84), 5 N 3L (85-88), 3M (89-92), 3N (93-98), 3O (100-106), 6 N 3P (107-113), 3Q (114-115); 7 T PLAG MOD PHYRIC, FINE GRAINED, POROUS, GNDMASS 8 T HYALOPILITIC, PCE 2 IS GLASS TOP OF FLOW AND 1.5-2CM 9 T IS BRECCIATED AND ALTERED, GLASS REPLACED WITH BROWN 10 T SMEC; 11 S FLOW IS DISSECTED WITH THIN (1-3MM) VEINS FILLED 12 S WITH ZEOLITE+CARB; 13 A EXT; 14 O BASALT LIGHT OLIVE GREY (5Y5/2), FLOW CONTAINS AN 15 O IRREGULAR POCKET OF VERY FINE GRAINED SEDIMENT IN 16 O PCE 3K THAT IS PROBABLY LITHIFIED ASH; 17 V 1-2 <10 ZEOLITE SPHERICAL 18 V % MORE THAN HALF COMPLETELY FILLED; 19 P PLAG 2-3 2-3 20 R ZEOLITE 21 R CARB 22 R SMEC 23 59448 58 311901490 518.00 522.19 522.49 ZAK 17 1 L PLAG-OL MOD PHYRIC BASALT; 2 N PCE 4A (119-124), 4B (125-130), 5A (133-136), 3 N 5B (138-140), 6 (143-149); 4 T PLAG-OL MOD PHYRIC, FINE GRAINED, POROUS, 5 T HYALOPILITIC TO INTERSERTAL; 6 S VEINS FILLED WITH ZEOLITE+CARB, NEW UNIT FROM TOP; 7 A EXT; 8 A % GNDMASS MOD WEATHERED; 9 O BASALT LIGHT OLIVE GREY (5Y5/2); 10 V 2-310-15 SPHERICAL 11 V % SOME IRREGULAR; 12 P PLAG 2-4 1-2 13 P OL 1-2 14 P % RARE XTLS; 15 R ZEOLITE 16 R CARB 17 59448 58 4 01480 518.00 522.50 523.98 ZAK 13 1 L PLAG-OL MOD PHYRIC BASALT; 2 N PCE 1A (1-6), 1B (7-11), 1C (12-19), 1D (19-27), 3 N 1E (28-33), 1F (34-34), 1G (36-48), 1H (48-57), 4 N 1I (55-56), 1J (58-61), 1K (61-68), 1L (68-79), 5 N 1M (80-87), 1N (88-90), 1O (91-96), 1P (98-100), 6 N 1Q (101-104), 1R (105-109), 1S (109-115), 7 N 1T (115-121), 1U (122-130), 1V (132-135), 8 N 1W (135-143), 1X (144-148); 9 T PLAG-OL MOD PHYRIC, SIMILAR TO PREVIOUS SECTION; 10 A EXT; 11 P PLAG 12 P OL 13 59448 58 5 01240 518.00 524.00 525.24 ZAK 14 1 L PLAG-OL MOD PHYRIC BASALT; 2 N PCE 1 (1-6), 2 (9-13), 3A (15-24), 3B (25-30), 3 N 3C (31-35), 3D (35-40), 3E (41-45), 3F (46-50), 4 N 4A (54-56), 4B (57-58), 4C (59-61), 5A (64-67), 5 N 5B (69-70), 5C (72-73), 5D (74-76), 5E (77-81), 6 N 5F (83-85), 5G (87-88), 6 (89-95), 7A (99-101), 7 N 7B (103-105), 7C (106-111), 7D (112-117), 8 N 7E (119-124); 9 T PLAG-OL MOD PHYRIC BASALT FLOW AS IN PREVIOUS 10 T SECTION; 11 A EXT; 12 P PLAG 13 P OL 14 59448 59 1 0 620 527.50 527.50 528.12 ZAK 17 1 L PLAG SPARSELY PHYRIC BASALT; 2 N PCE 1A (1-15), 1B (15-23), 1C (24-26), 2A (27-33), 3 N 2B (33-43), 2C (44-49), 2D (50-55), 3A (58-62); 4 T PLAG SPARSELY PHYRIC, POROUS, HYALOPILITIC TO 5 T INTERSERTAL, FINE GRAINED, INTERGRANULAR GLASSY 6 T MATRIX IS ALTERED; 7 S SPARSE AND THIN (1-2MM) VEINS PRESENT AND FILLED 8 S WITH ZEOLITE+CARB; 9 A EXT; 10 V 20 11 V % MOST EMPTY BUT SOME PARTIALLY OR WHOLLY FILLED 12 V % WITH ZEOLITE; 13 P PLAG 1-2 1-2 14 G % GNDMASS 70-80% XTLZED; 15 R ZEOLITE 16 R CARB 17 59448 59 1 6301490 527.50 528.13 528.99 ZAK 25 1 L PLAG-OL MOD PHYRIC BASALT; 2 N PCE 3B (63-66), 3C (67-72), 3D (73-78), 3E (79-86), 3 N 3F (87-95), 3G (96-105), 3H (105-108), 4 N 3I (110-116), 3J (117-129), 3K (130-131), 5 N 3L (131-140), 3M (142-149); 6 T PLAG-OL MOD PHYRIC, THIN (1-2MM) ZONE OF VARIOLITIC 7 T BASALT, FINE GRAINED, FRESH VOLCANIC GLASS 8 T REPLACED LOCALLY WITH YELLOWISH BROWN SMEC (1.2- 9 T 1.5CM), VOLCANIC GLASS REPLACED WITH SMEC COMPLETELY 10 T (1-3MM), VERY FINE GRAINED VOLCANIC ASH WITH 11 T APPARENT THICKNESS 1.5-1.7CM (PCES 3A-C), 12 T INTERSERTAL TO HYALOPILITIC, GLASS IN PCE 3B; 13 S THIN VEINS (1-3MM) CRISS-CROSS THE FLOW UNIT AND ARE 14 S FILLED WITH ZEOLITE+CARB; 15 A EXT; 16 O VOLCANIC ASH GREYISH YELLOW (5Y8/4); 17 V 3 SPHERICAL 18 V % MAINLY EMPTY BUT SOME FILLED WITH ZEOLITES; 19 P PLAG 1-3 1-2 20 P OL 21 G % GNDMASS 80% XTLZED; 22 R ZEOLITE 23 R CARB 24 R SMEC 25 59448 59 2 01420 527.50 529.00 530.42 ZAK 9 1 L PLAG-OL MOD PHYRIC BASALT; 2 N PCE 1 (1-8), 2A (12-19), 2B (21-25), 2C (25-30), 3 N 2D (31-37), 2E (39-44), 2F (46-48), 2G (49-58), 4 N 2H (59-66), 2I (68-77), 2J (78-81), 2K (82-94), 5 N 2L (95-102), 2M (103-112), 2N (114-122), 6 N 2O (123-127), 2P (129-137), 2Q (138-142); 7 T SAME AS PREVIOUS SECTION; 8 A MOD; 9 59448 59 3 0 470 527.50 530.50 530.97 ZAK 13 1 L PLAG MOD PHYRIC BASALT; 2 N PCE 1 (1-8), 2A (12-17), 2B (19-24), 3 (27-32), 3 N 4A (35-38), 4B (42-46); 4 T PLAG MOD PHYRIC, INTERSERTAL; 5 S VEINED WITH ZEOLITE+CARB; 6 A MOD; 7 A % BROWN PATCHES OF ALTERED GNDMASS; 8 V 3-4 15 ZEOLITE 9 P PLAG 3-4 1-3 10 G % GNDMASS 75-80% XTLZED; 11 R ZEOLITE 12 R CARB 13 59448 59 3 490 780 527.50 530.99 531.28 ZAK 10 1 L PLAG MOD PHYRIC BASALT; 2 N PCE 5A (48-56), 5B (58-63), 6 (65-71), 7 (72-78); 3 T PLAG MOD PHYRIC, FINE GRAINED, GLASSY TOP OF FLOW 4 T PARTIALLY AUTOBRECCIATED AND REPLACED BY BROWN SMEC, 5 T SIMILAR TO PREVIOUS SECTION; 6 A MOD; 7 V % MOD VESICULAR; 8 P PLAG 9 R SMEC 10 59448 60 1 0 180 537.00 537.00 537.18 ZAK 14 1 L PLAG-0L MOD PHYRIC BASALT; 2 N PCE 1 (1-9), 2 (12-18); 3 T PLAG-0L MOD PHYRIC, FINE GRAINED, INTERSERTAL, 4 T IRREGULAR BROWN PATCHES OF ALTERATION OF GLASSY 5 T MESOSTASIS; 6 A MOD; 7 V 2-3 10 ZEOLITE SPHERICAL 8 V % COMPLETELY FILLED, SOME OVAL; 9 P PLAG 1-3 1-3 10 P OL 0.5-1 11 P % RARE MICROPHENOS; 12 G % GNDMASS 75% XTLZED; 13 R ZEOLITE 14 59448 61 1 01470 546.50 546.50 547.97 ISH 16 1 L PLAG-0L MOD PHYRIC BASALT; 2 N PCE 1A (2-10), 1B (11-20), 1C (20-26), 1D (27-34), 3 N 1E (35-44), 1F (45-55), 1G (55-64), 1H (65-72), 4 N 1I (73-85), 1J (86-92), 1K (93-110), 1L (111-119), 5 N 1M (120-129), 1N (129-140), 1O (141-147); 6 T PLAG-OL MOD PHYRIC, POROUS, HYALOPILITIC; 7 A EXT; 8 V 1-3 5 9 V % FILLED BY SECONDARY MINERALS (ZEOLITE), VESICLES 10 V % INCREASE TOWARDS BOTTOM; 11 P PLAG 12 P OL 2 13 P % PSEUDOMORPHS, SOME BLACK MINERAL WITH GOOD 14 P % CLEAVAGE MAY BE SPINEL(<1%); 15 R ZEOLITE 16 59448 61 2 01380 546.50 548.00 549.38 ISH 18 1 L PLAG-0L MOD PHYRIC BASALT; 2 N PCE 1A (1-11), 1B (12-16), 1C (17-21), 1D (22-30), 3 N 1E (30-37), 1F (39-43), 1G (44-50), 2A (52-58), 4 N 2B (60-65), 2C (67-75), 3 (77-80), 4A (82-90), 5 N 4B (90-99), 5 (102-107), 6 (112-118), 7A (122-130), 6 N 7B (131-139); 7 T PLAG-OL MOD PHYRIC, POROUS, HYALOPILITIC, SIMILAR TO 8 T PREVIOUS SECTION; 9 A EXT; 10 V 10 11 V % VESICLES INCREASE FROM PCE 1B-7B, PCES 1G-3 12 V % CONTAIN SOME NOT SO POROUS PARTS; 13 P COMBINE 4 14 P % INCLUDING PLAG+OL; 15 G PLAG 16 G CPX 17 G OP.MINS 18 59448 61 3 01330 546.50 549.50 550.83 ISH 8 1 L PLAG-0L MOD PHYRIC BASALT; 2 N PCE 1A (1-12), 1B (12-16), 1C (17-31), 1D (32-41), 3 N 2 (44-49), 3A (52-61), 3B (62-67), 4 (69-73), 4 N 5 (75-83), 6 (86-91), 7 (94-105), 8A (109-112), 5 N 8B (114-116), 8C (119-121), 9 (124-133); 6 T PLAG-OL MOD PHYRIC, SAME AS PREVIOUS SECTION; 7 A FRESH; 8