64478 26 1 01500 222.00 222.00 223.50 SAUN 20 1 L APHYRIC BASALT; 2 N PCES 1 (1-3), 2 (17-18), 3 (10-18), 3A (20-22), 3 N 4 (24-30), 5 (32-39), 6 (40-44), 7 (56-67), 4 N 8 (70-76), 9 (79-82), 10 (84-91), 11 (93-100), 5 N 12 (102-105), 13 (106-118), 14 (120-129), 6 N 15 (130-139), 16 (140-143), 17 (145-148); 7 T APHYRIC,COARSE-GRAINED(0.2-0.5MM); 8 S VEINS IN PCES 10+15 CALCITE-FILLED; 9 A MOD 10 A % SLIGHT WEATHERING AURAE IN PCES 7+9 RESULTING IN 11 A % BROWN DISCOLORATION; 12 O DARK GRAY(N4) BASALT,SLIGHT BROWNISH DISCOLORATION 13 O IN PCES 7+9; 14 V TO 1 CALCITE,UNIDENT SPHERICAL 15 V % PCES 6-10,FILLED WITH WHITE MINERAL(IN PART 16 V % CALCITE); 17 R CALCITE 18 R PYR 19 R % SEVERAL PCES HAVE PYR DUSTING; 20 64478 26 2 0 150 222.00 223.50 223.65 SAUN 4 1 L APHYRIC BASALT; 2 N PCES 1 (1-7), 2 (10-15); 3 T APHYRIC,COARSE-GRAINED,SAME AS CORE 26-1; 4 64478 27 1 01200 231.50 231.50 232.70 FOR 23 1 L VESICULAR BASALT GRADING TO APHYRIC BASALT; 2 N PCES 1 (0-1), 2A (3-11), 2B (10-16), 3 (18-37), 3 N 4A (41-50), 4B (50-57), 5 (60-65), 6 (67-69), 4 N 7 (72-83), 8 (86-94), 9 (96-99), 10 (101-108), 5 N 11 (110-120); 6 T PCES 2A-4B APHYRIC BASALT,PCES 5-11 APHANITIC 7 T BASALT; 8 S SMALL VEINS(<1MM THICK) PERVASIVELY FILLED WITH 9 S CALCITE & PYR & POSSIBLY DOLO; 10 A FRESH 11 O PCE 1 IS SILTSTONE WITH DOLO XTLS & PYR,ALL PCES ARE 12 O MEDIUM-LIGHT GRAY(N6) COLOR; 13 V 2-5 CALCITE,PYR 14 V 2-5 CLAY,DOLO 15 V % VESICULAR,MOST LINED WITH CALCITE & PYR & CLAY & 16 V % DOLO,ID DOLO UNCERTAIN,PCES 2A-4B; 17 V <1 CALCITE 18 V % PCES 5-11,SMALL VESICLES,SOMETIMES FILLED; 19 R CALCITE 20 R PYR 21 R DOLO 22 R CLAY 23 64478 29CC 0 200 250.50 253.50 253.60 FOR 10 1 L APHYRIC BASALT; 2 N PCES NO PCE NUMBERS ASSIGNED; 3 T APHYRIC,SIMILAR TO UPPER PART OF CORE 27-1; 4 O MEDIUM GRAY(N6); 5 V TO 10 CALCITE,PYR,CLAY 6 V % HIGHLY VESICULAR,LINED; 7 R CALCITE 8 R PYR 9 R CLAY 10 64478 40 2 01270 336.00 337.50 338.77 SAUN 2 1 L SEDIMENT; 2 64478 40 2 2701370 336.00 337.77 338.87 SAUN 4 1 L SEDIMENT; 2 L BAKED SILTY MUDSTONE OR CLAYSTONE; 3 N PCE A (127-137); 4 64478 40 2 3701500 336.00 337.87 339.00 SAUN 7 1 L APHYRIC BASALT FRAGMENTS; 2 N PCES B (137-144), C (142-150); 3 T PCES OF APHYRIC & APHANITIC BASALT EMBEDDED IN 4 T MEDIUM-GRAY(N5-N6) SILTY MUDSTONE,PCE B IS A BAKED 5 T CONTACT WITH CHILLED BASALT & BAKED SELVAGE(NON- 6 T GLASSY); 7 64478 40 3 0 140 336.00 339.00 339.14 SAUN 7 1 L APHYRIC BASALT; 2 N PCES NO PCE NUMBER ASSIGNED; 3 T 0-14CM FRAGMENTS(2-4CM) OF APHYRIC APHANITIC BASALT 4 T WITH LITHIFIED SILTY CLAYSTONE IN A CLAYEY MATRIX; 5 O DARK GRAY; 6 V % SPARSELY VESICULAR; 7 64478 40 3 1401300 336.00 339.14 340.30 SAUN 28 1 L APHYRIC BASALT OR DOLERITE; 2 N PCES 1A (14-37), 1B (37-68), 2 (70-82), 3A (84-97), 3 N 3B (97-128); 4 T APHYRIC,COARSE-GRAINED(GENERALLY <1MM),DISTINCT 5 T MOTTLED APPEARANCE TO THE BASALT IN THE LOWER PART 6 T OF THE SECTION DUE TO LARGE IRREGULAR PYX XTLS WHICH 7 T CONTAIN PLAG XTLS-POIKILITIC TEXTURE; 8 S PCE 1B HAS VEIN; 9 A MOD 10 A % FELDSPAR SHOW SOME GREEN STAINING; 11 A FRESH 12 A % CONSTITUENT MINERALS; 13 O MEDIUM GRAY(N5) WHEN DRY; 14 V CLAY 15 V % SPARSELY VESICULAR,GREEN CLAY FILLING,VERY LITTLE 16 V % (IF ANY) CALCITE SINCE NO STRONG REACTION TO HCL 17 V % ON VESICLE FILLING; 18 G PYX 19 G % LARGE IRREGULAR XTLS & WITH PLAG FORM POIKILITIC 20 G % TEXTURE; 21 G PLAG 22 G OL 23 G FEL 24 R CLAY 25 R CALCITE 26 R % ID CALCITE UNCERTAIN SINCE NO STRONG REACTION TO 27 R % HCL IN VEIN OR VESICLE FILLING; 28 64478 40 4 0 400 336.00 340.50 340.90 SAUN 19 1 L APHYRIC BASALT OR DOLERITE; 2 N PCES 1 (0-18), 2 (19-30), 3 (32-40); 3 T APHYRIC,COARSE-GRAINED BASALT OR DOLERITE,MOTTLING 4 T EFFECT SEEN IN CORE 40-3 CONTINUES IN THIS SECTION; 5 S GREEN CLAY.MIN IN INTERSTICES; 6 A MOD 7 A FRESH 8 A % CONSTITUENT MINERALS; 9 O MEDIUM GRAY(N5); 10 V CLAY 11 V % WHITE CLAY.MIN FILLING,SPARSELY VESICULAR; 12 G PYX 13 G OL 14 G % PYX & OL FAIRLY FRESH; 15 G FEL 16 G % SHOWS GREEN-TINT ALTERATION; 17 R CLAY.MIN 18 R % WHITE IN VESICLES,GREEN IN INTERSTICES; 19 64478 41 1 0 780 345.50 345.50 346.28 SAUN 14 1 L APHYRIC BASALT; 2 N PCE 1 (0-8), 2A (10-31), 2B (31-78); 3 A MOD 4 A % INTENSE IN VICINITY OF CLAY & ZEOLITE-FILLED 5 A % VEINS (25-35CM, 62-64CM); 6 T APHYRIC,GRAIN-SIZE < 0.5MM); 7 G OL 8 G CPX 9 G FELDSPAR 10 G % GREEN-TINTED; 11 R CLAY 12 R ZEOLITE 13 R CALCITE 0 14 64478 41 1 8001500 345.50 346.30 347.00 SAUN 13 1 L DOLERITE; 2 N PCE 3 (80-130), 4 (130-150); 3 T MEDIUM-GRAINED, APHYRIC, AT TOP OF PCE 3 A 4 T CONCENTRATION OF FELSIC MINERALS WHICH MAY BE DUE 5 T TO A PLAG ACCUMULATION OR PART OF A REACTION 6 T AUREOLE AROUND A VEIN NOT RECOVERED; 7 O COLOR MEDIUM DARK-GRAY (N4-N5); 8 A MOD 9 A % ROCK HAS A "PATCHY"APPEARANCE DUE TO ALTERATION; 10 G OL 0.5-1.0 11 G PYX 0.5-1.0 12 G PLAG 0.5-1.0 13 64478 41 2 01400 345.50 347.00 348.40 SAUN 20 1 L APHYRIC DOLERITE; 2 N PCES 1A (0-10), 1B (10-30), 1C (22-40), 1D (40-62), 3 N 1E (60-84), 1F (82-93), 1G (90-103), 1H (102-110), 4 N 1I (110-129), 1J (127-139); 5 T MEDIUM-GRAINED APHYRIC; 6 S AT 103CM A 1CM CAVITY LINED WITH DRUSY WHITE XTLS 7 S (QTZ?),1-2MM WIDE VEINS OF ZEOL(?) & CLAY & QTZ; 8 A MOD 9 A % PCES 1A-1D+1I-1J,VICINITY OF VEINS; 10 A EXTENSIVELY 11 A % PCES 1E-1H WITH PATCHES OF QTZ(?); 12 O MEDIUM GRAY(N5) WHEN DRY; 13 G CPX 14 G PLAG 15 G OL 16 R CLAY 17 R QTZ 18 R ZEOL 19 R % ID ZEOL UNCERTAIN; 20 64478 41 3 01500 345.50 348.50 350.00 SAUN 20 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-31), 1B (32-70), 1C (69-92), 1D (90-102), 3 N 1E (101-114), 1F (114-124), 1G (124-137), 4 N 1H (136-147); 5 T MEDIUM-GRAINED(1-1.5MM),APHYRIC; 6 S NARROW 1-2MM VEINS OF WHITE ZEOL & SI WITH REACTION 7 S AUREOLES,102-108CM DEVELOPMENT OF ELONGATE(TO 1CM) 8 S PYX XTLS IN A FELSIC GNDMASS(PROBABLY AN ALTERATION 9 S AREA BUT APPEARS PEGMATITIC); 10 A MOD 11 A % OCCASIONAL BLEBS OF WHITE SILICA(?) OR ZEOL(?); 12 O MEDIUM-GRAY(N4-N5); 13 G FELDSPAR 14 G PYX 15 G % XTLS,POSSIBLY AN ALTERATION AREA BUT APPEARS 16 G % PEGMATITIC; 17 R ZEOL 18 R SILICA 19 R % ID SILICA UNCERTAIN; 20 64478 41 4 01500 345.50 350.00 351.50 FOR 17 1 L APHYRIC BASALT OR DOLERITE; 2 N PCES 1A (0-12), 1B (12-35), 1C (35-70), 1D (70-105), 3 N 1E (106-123), 1F (123-136), 1G (135-149); 4 T APHYRIC,MEDIUM-COARSE-GRAINED,APPEARS EQUIGRANULAR; 5 S CALCITE & CLAY VEINS(TO 0.5CM THICK); 6 A MOD 7 A % ALTERATION MORE SEVERE NEAR CALCITE & CLAY VEINS 8 A % (ZONES UP TO 2CM WIDE); 9 A EXT 10 A % 32-42CM, 95-104CM, 127-137CM; 11 O MEDIUM-GRAY(N5); 12 G CPX 13 G OL 14 G PLAG 15 R CALCITE 16 R CLAY 17 64478 41 5 01300 345.50 351.50 352.80 SAUN 15 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-12), 1B (11-45), 1C (45-73), 1D (71-88), 3 N 1E (88-96), 1F (97-114), 1G (114-130); 4 T APHYRIC,MEDIUM-GRAINED(1-2MM),OCCASIONAL SILICA(?) 5 T BLEBS; 6 A MOD 7 A % FAIRLY BADLY ALTERED; 8 O MEDIUM-GRAY(N4-N5),CONTINUATION OF CORE 41-4; 9 G CPX 10 G PLAG 11 G OL 12 R SILICA 13 R % ID SILICA UNCERTAIN; 14 R ZEOL 15 64478 41 6 01500 345.50 353.00 354.50 SAUN 19 1 L APHYRIC DOLERITE; 2 N PCES 1A (0-8), 1B (17-23), 1C (24-34), 1D (35-47), 3 N 1E (47-63), 1F (62-75), 1G (75-92), 1H (92-103), 4 N 1I (103-113), 1J (112-123), 1K (122-134), 5 N 1L (139-149); 6 T MEDIUM-GRAINED(0.5-1.5MM GRAINSIZE),APHYRIC; 7 S SEGREGATION OF MAFICS FROM FELSICS LEADING TO 8 S BLOTCHY APPEARANCE,LESS VEINING THAN IN PREVIOUS 9 S SECTIONS; 10 A MOD 11 A % ABUNDANT SECONDARY ALTERATION WITH DEVELOPMENT OF 12 A % IRREGULAR BLEBS OF ZEOL & SILICA; 13 O MEDIUM-GRAY(N4-N5); 14 G PLAG 15 G PYX 16 G OL 17 R ZEOL 18 R SILICA 19 64478 41 7 01220 345.50 354.50 355.72 SAUN 18 1 L APHYRIC DOLERITE; 2 N PCES 1A (0-12), 1B (13-23), 1C (21-38), 1D (38-52), 3 N 1E (48-71), 1F (71-85), 1G (85-95), 2 (96-106), 4 N 3 (108-122); 5 T MEDIUM-GRAINED(1-2MM GRAINSIZE),APHYRIC,DISTINCT 6 T SEGREGATION OF MINERAL GRAINS PRODUCES A BLOTCHY 7 T APPEARANCE; 8 A MOD 9 A % PCES 1A-2,BLEBS OF AMORPHOUS WHITE ZEOL & SILICA 10 A % ESPECIALLY IN PCS 1E+1F; 11 O MEDIUM-GRAY(N4-N5),CONTINUATION OF CORE 41-6,PCE 3 12 O MARKS END OF CORE; 13 G CPX 14 G PLAG 15 G OL 16 R ZEOL 17 R SILICA 18 64478 42 1 01500 355.00 355.00 356.50 FOR 22 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-3), 1B (3-16), 1C (16-23), 1D (22-32), 3 N 1E (31-40), 1F (41-55), 1G (56-70), 1H (70-85), 4 N 1J (84-105), 1L (105-116), 1M (116-127), 5 N 1N (126-138), 1O (137-147); 6 T MEDIUM-GRAINED(0.5-1MM GRAINSIZE),APHYRIC,SIMILAR IN 7 T ALL RESPECTS TO CORE 41-1; 8 S SILICA-CALCITE-ZEOL VEINS; 9 A MOD 10 A EXTENSIVELY 11 A % AROUND SEVERAL VEINS(24-28+64-70+92-95CM); 12 O MEDIUM GRAY(N5); 13 V SILICA 14 V % SOME FILLED VUGS; 15 G CPX 16 G PLAG 17 G OP.MINS 18 G OL 19 R CALCITE 20 R ZEOL 21 R SILICA 22 64478 42 2 01500 355.00 356.50 358.00 FOR 22 1 L APHYRIC BASALT; 2 L APHYRIC DOLERITE (MAJOR ROCK TYPE); 3 N PCES 1A (1-15), 1B (15-21), 1C (22-35), 1D (35-51), 4 N 1E (52-81), 1F (80-104), 1G (103-117), 1H (117-147); 5 T MEDIUM-GRAINED,APHYRIC,PCE 1G APPEARS TO HAVE SHARDS 6 T OF FRESH GLASS & MAY REPRESENT A CHILL ZONE,SMALL 7 T MINERAL SEGREGATIONS SEPARATED BY BLEBS OF FINER- 8 T GRAINED MATERIAL; 9 S VEINS FILLED WITH SILICA & ZEOL & SOME CALCITE; 10 A MOD 11 A EXTENSIVELY 12 A % ALTERATION ZONE PCE 1G,ZONES NEAR VEINS; 13 O MEDIUM-GRAY(N5-N6); 14 G CPX 15 G OL 16 G PLAG 17 G OP.MINS 18 R ZEOL 19 R SILICA 20 R CALCITE 21 R % VERY LITTLE; 22 64478 42 3 01500 355.00 358.00 359.50 FOR 22 1 L APHYRIC DOLERITE GRADING TO GABBRO; 2 N PCES 1A (1-12), 1B (10-14), 1C (13-21), 1D (20-31), 3 N 1E (30-43), 1F (43-67), 2 (69-73), 3A (76-85), 4 N 3B (87-97), 4 (98-103), 5A (106-115), 5B (115-127), 5 N 5C (127-134), 5D (135-140), 5E (141-149); 6 T MEDIUM-GRAINED PCES 1-2,APHYRIC,COARSE-GRAINED PCES 7 T 3A-5A APPROACHING GABBROIC TEXTURE WITH LARGE CPX & 8 T PLAG XTLS(1-3MM LONG),CONTACT IN PCE 3B ZONE OF PLAG 9 T & CPX PHYRIC BASALT-DOLERITE ENDS IN BASE OF PCE 5B, 10 T SIMILAR TO PREVIOUS SECTIONS; 11 S PCES 1-2 QTZ & ZEOL VEINS; 12 A MOD 13 A EXTENSIVELY 14 A % AROUND VEINS; 15 O PCES 1-2 MEDIUM-GRAY(N5); 16 G CPX 17 G PLAG 18 G % LARGE CPX & PLAG XTLS PCES 3A-5E; 19 R QTZ 20 R ZEOL 21 R % QTZ & ZEOL IN PCES 1-2; 22 64478 42 4 01050 355.00 359.50 360.55 FOR 15 1 L DOLERITE OR GABBRO; 2 N PCES 1A (0-24), 1B (25-32), 1C (32-40), 2 (42-48), 3 N 3 (52-59), 4 (61-69), 5A (72-82), 5B (83-88), 4 N 5C (90-93), 5D (94-101), 5E (102-105); 5 T EQUIGRANULAR COARSE-GRAINED DOLERITE TO GABBRO; 6 S VEINS SILICEOUS WITH LITTLE OR NO CALCITE; 7 A MOD 8 A % WEATHERED; 9 O MEDIUM GRAY(N5),PCE 5E MARKS END OF CORE; 10 P CPX 11 P PLAG 12 R SILICA 13 R CALCITE 14 R % LITTLE OR NO CALCITE; 15 64478 43 1 01500 364.50 364.50 366.00 FOR 13 1 L DOLERITE OR GABBRO; 2 N PCES 1A (1-25), 1B (25-35), 1C (25-40), 1D (40-50), 3 N 1E (50-55), 1F (55-60), 1G (66-101), 1H (102-148); 4 T COARSE-GRAINED,DISCRETE APHYRIC ZONES OCCUR AT 5 T 70+116+138CM; 6 S DISCRETE APHYRIC ZONES SOMETIMES ASSOCIATED WITH 7 S SILICEOUS VEINS,ROCK VERY UNFRACTURED; 8 A MOD 9 O MEDIUM-GRAY(N5); 10 G CPX 11 G PLAG 12 G OL 13 64478 43 2 01500 364.50 366.00 367.50 FOR 14 1 L DOLERITE; 2 N PCES 1A (1-36), 1B (36-69), 1C (70-101), 3 N 1D (101-133), 1E (132-148); 4 T ZONES OF APHANITIC BASALT IN TOP OF PCE 1B & MOSTLY 5 T PCE 1E,CONTINUATION OF INCREASING GRAINSIZE SEEN IN 6 T LAST FEW CORES; 7 A MOD 8 P OL 9 P % SMALL PHENOS,ID OL UNCERTAIN,PRESENT IN APHANITIC 10 P % ZONE; 11 G CPX 12 G PLAG 13 G OL 14 64478 43 3 01420 364.50 367.50 368.92 FOR 15 1 L DOLERITE; 2 N PCES 1A (0-15), 1B (15-30), 1C (30-48), 1D (48-60), 3 N 1E (60-79), 1F (74-88), 1G (86-100), 1H (101-110), 4 N 1I (111-125), 1J (124-142); 5 T 1-2MM GRAINSIZE,2 APHANITIC ZONES IN PCES 1C & 6 T CONTINUES THROUGH PCES 1F-1G; 7 S ROCK IS VERY UNFRACTURED,ONE SMALL VEIN CUTS ACROSS 8 S THE TOP OF PCE 1I; 9 A MOD 10 O GNDMASS MEDIUM GRAY(N5),APHANITIC ZONES ARE LIGHT 11 O GRAY(N7); 12 G CPX 13 G PLAG 14 G OL 15 64478 43 4 01300 364.50 369.00 370.30 FOR 14 1 L DOLERITE SILL; 2 N PCES 1A (1-4), 1B (3-9), 1C (8-12), 1D (12-17), 3 N 1E (18-21), 1F (22-26), 2A (28-35), 2B (35-52), 4 N 2C (52-59), 2D (60-78), 2E (78-83), 2F (84-88), 5 N 2G (89-97), 2H (98-116), 2I (116-129); 6 T SAME AS CORE 43-3 EXCEPT FOR PCE 2D WHICH IS AN 7 T APHANITIC BASALT ZONE; 8 S PRINCIPALLY FILLED WITH SILICA & CLAY, SILL; 9 A MOD 10 O PCE 2I MARKS END OF CORE; 11 R SILICA 12 R CALCITE 13 R CLAY 14 64478 44 1 00 430 374.00 374.00 374.43 FOR 10 1 L GABBRO; 2 N PCE 1A (0-10), 1B (11-22), 1C (22-27), 1D (27-33), 3 N 1E (33-43); 4 O SIMILAR TO BASE OF CORE 42 (DOES DESCRIBER MEAN 5 O CORE 43? - ENCODER'S QUERY); 6 A MOD 7 G CPX 8 G OL 9 G PLAG 10 64478 44 1 4301450 374.00 374.43 375.45 FOR 14 1 L MICRODOLERITE TO DOLERITE; 2 N PCE 1F (43-72), 1G (73-97), 1H (97-132), 3 N 1I (132-142), 1J (132-145), 1K (142-145); 4 T FROM PCE 1F BECOMES FINER GRAINED (DOLERITIC) 5 T TOWARD BASE, SMALL APHANITIC ZONE AT 116CM; 6 S LITTLE VEINING BUT 2 CALCITE VEINS OCCURRING, PCE 7 S 1E HAS BEAUTIFUL PYRITE VEINS ON THE SIDE; 8 O BECOMES LIGHTER IN COLOR (LIGHT TO RED-LIGHT GRAY 9 O (N6-N7); 10 A SLIGHTLY 11 A % ROCK BECOMES SIGNIFICANTLY FRESHER IN THIS ZONE; 12 R PYRITE 13 R CALCITE 14 64478 44 2 01500 374.00 375.50 377.00 FOR 8 1 L DOLERITE; 2 N PCES 1 (1-22), 2 (25-33), 3A (36-88), 3B (88-123), 3 N 3C (124-149); 4 T EQUIGRANULAR; 5 S UNFRACTURED & NO VEINING; 6 A FRESH 7 O MEDIUM-LIGHT GRAY(N6),CONTINUATION OF CORE 44-1; 8 64478 44 3 01400 374.00 377.00 378.40 FOR 5 1 L DOLERITE; 2 N PCES 1A (0-24), 1B (25-37), 1C (38-56), 1D (54-83), 3 N 1E (84-99), 1F (99-121), 1G (120-140); 4 O SAME AS IN CORE 44-2; 5 64478 44 4 01400 374.00 378.50 379.90 SAUN 21 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-14), 1B (15-37), 1C (37-64), 1D (63-90), 3 N 1E (89-120), 1F (120-140); 4 T APHYRIC DOLERITE,COARSE-GRAINED EQUIGRANULAR; 5 S MAFICS TEND TO BE CONCENTRATED IN NARROW ZONES 6 S (2-3MM) SURROUNDING MORE FELSIC ZONES(TO 1MM ACROSS) 7 S GIVING A RATHER POLYGONAL APPEARANCE TO THE CUT 8 S SURFACES; 9 A MOD 10 A % REACTION RIMS AROUND RIMS NOTABLY MAFIC-FREE 11 A % TINTED ALTERED FELD,OCCASIONAL BLEBS OF WHITE SI; 12 O MEDIUM-GRAY(N5) TO LIGHT-BROWNISH-GRAY 5YR6/1; 13 P PLAG TO 2 14 P % LATHS; 15 G PYX 16 G OL 17 G FELDSPAR 18 G % TINTED; 19 R SILICA 20 R % WHITE; 21 64478 44 5 01300 374.00 380.00 381.30 SAUN 18 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-21), 1B (20-39), 1C (38-68), 1D (68-92), 3 N 1E (92-113), 1F (112-130); 4 T APHYRIC DOLERITE,APPROX EQUIGRANULAR; 5 S REACTION RIMS AROUND VEINS,MAFICS TEND TO BE 6 S CONCENTRATED IN NARROW ZONES AROUND MORE FELSIC 7 S AREAS APPROX 1.5CM DIAMETER; 8 A MOD 9 A % REACTION RIMS AROUND VEINS,OCCASIONAL BLEBS OF 10 A % WHITE SILICA/ZEOL; 11 O MEDIUM GRAY TO LIGHT-BROWNISH-GRAY(N5-5YR6/1); 12 P PLAG TO 2 13 P % APPROX EQUIGRANULAR LATHS; 14 G PYX 15 G OL 16 R SILICA 17 R ZEOL 18 64478 44 6 01100 374.00 381.50 382.60 SAUN 17 1 L APHYRIC DOLERITE; 2 N PCES 1A (0-30), 1B (30-60), 1C (60-91), 1D (93-110); 3 T APHYRIC DOLERITE,APPROX EQUIGRANULAR; 4 S MAFICS CONCENTRATED IN NARROW ZONES AROUND MORE 5 S FELSIC AREAS APPROX 1.5CM DIAMETER; 6 A MOD 7 A % ALTERED FELDSPAR,OCCASIONAL BLEBS OF WHITE SI/ZEOL 8 O MEDIUM-GRAY TO LIGHT-BROWNISH-GRAY(N5 TO 5YR6/1); 9 P PLAG 10 P % LATHS; 11 G PYX 12 G OL 13 G % ID OL UNCERTAIN; 14 G FELDSPAR 15 R SILICA 16 R ZEOL 17 64478 45 1 01500 383.00 383.00 384.50 SAUN 6 1 L APHYRIC DOLERITE; 2 N PCE 1 (1-149); 3 O FORMS PART OF 186.5CM LENGTH OF DOLERITE RETURNED TO 4 O SCRIPPS UNBROKEN,SECTION NOT SLICED,DRILLED SURFACES 5 O SHOW IDENTICAL CHARACTERISTICS TO CORES 44-6 & 45-2; 6 64478 45 2 01500 383.00 384.50 386.00 SAUN 17 1 L APHYRIC DOLERITE; 2 N PCES 1 (1-24), 2A (26-36), 2B (36-70), 2C (68-105), 3 N 2D (105-130), 2E (130-148); 4 T MEDIUM-GRAINED APHYRIC DOLERITE,MOTTLED OR BLOTCHY 5 T APPEARANCE DUE TO SEGREGATION OF MAFICS FROM FINER- 6 T GRAINED FELSIC PATCHES; 7 A MOD 8 A % PCES 2A+2D-2E; 9 O MEDIUM-GRAY(N5) TO LIGHT BROWNISH-GRAY(5YR6/1),PCE 1 10 O SENT TO SCRIPPS,UNSLICED AS PART OF 188.8 CM LENGTH; 11 G CPX 15 12 G % PARTIALLY ALTERED TO A GREEN COLOR; 13 G PLAG 70 14 G OL 5 15 R SILICA 16 R ZEOL 17 64478 45 3 01450 383.00 386.00 387.45 SAUN 17 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-32), 1B (30-60), 1C (60-102), 3 N 1D (100-142); 4 T MEDIUM-GRAINED APHYRIC DOLERITE,MOTTLED OR BLOTCHY 5 T APPEARANCE DUE TO SEGREGATION OF MAFICS FROM FINER- 6 T GRAINED FELSIC PATCHES(SIMILAR TO CORES 45-1 & 7 T 45-2); 8 S FELDSPAR IN LOWER PART OF CORE ARE AMORPHOUS WHITE 9 S RATHER THAN TRANSLUCENT; 10 A MOD 11 A % FELD PROBABLY ALTERED & CPX APPEARS TO BE ALTERED; 12 O MEDIUM GRAY(N5) TO LIGHT BROWNISH-GRAY(5YR6/1); 13 G CPX 15 TO 2 14 G PLAG 70 TO 2 15 G OL 5 <1 16 G FELDSPAR 17 64478 45 4 01450 383.00 387.50 388.95 SAUN 17 1 L APHYRIC DOLERITE; 2 N PCES 1A (0-4), 1B (3-15), 1C (16-40), 1D (40-80), 3 N 1E (80-111), 1F (111-130), 1G (130-144); 4 T MEDIUM-GRAINED APHYRIC DOLERITE,MOTTLED OR BLOTCHY 5 T APPEARANCE DUE TO SEGREGATION OF MAFICS FROM FINER- 6 T GRAINED FELSIC PATCHES(SIMILAR TO CORES 45-1 & 7 T 45-2); 8 S PCES 1A+1B SEVERE ZEOLITIZATION AROUND VEINS,VEIN 9 S PCE 1A; 10 A MOD 11 O MEDIUM GRAY(N5) TO LIGHT BROWNISH-GRAY(5YR6/1); 12 G CPX 15 TO 2 13 G PLAG 70 TO 2 14 G OL 5 <1 15 R ZEOL 16 R % AROUND VEIN IN PCES 1A+1B; 17 64478 45 5 01460 383.00 389.00 390.46 SAUN 17 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-20), 1B (20-23), 1C (23-30), 1D (31-71), 3 N 1E (72-96), 1F (96-111), 1G (111-146); 4 T MEDIUM-GRAINED APHYRIC DOLERITE,MOTTLED OR BLOTCHY 5 T APPEARANCE,POIKILITIC TEXTURE; 6 S BLOTCHY APPEARANCE DUE TO SEGREGATION & IRREGULAR 7 S DISTRIBUTION OF MAFIC & FELSIC COMPONENTS; 8 A MOD 9 A EXTENSIVELY 10 A % 15-30CM INTERVAL; 11 O MEDIUM GRAY(N5) TO LIGHT BROWNISH-GRAY(5YR6/1); 12 G CPX 13 G FELDSPAR 14 G CLAY 15 G OL 16 R CLAY 17 64478 45 6 0 900 383.00 390.50 391.40 SAUN 11 1 L APHYRIC DOLERITE; 2 L APHYRIC GABBRO; 3 N PCES 1A (1-8), 1B (9-50), 1C (50-80), 1D (81-87); 4 T MEDIUM-GRAINED APHYRIC DOLERITE,POIKILITIC/BLOTCHY 5 T APPEARANCE & TEXTURE & COMPOSITION SIMILAR TO CORE 6 T 45-5,PCE 1D IS APHYRIC GABBRO; 7 A MOD 8 A EXT 9 A % 77-87CM; 10 O MEDIUM GRAY(N5) TO LIGHT BROWNISH-GRAY(5YR6/1); 11 64478 46 1 01500 392.00 392.00 393.50 SAUN 24 1 L APHYRIC DOLERITE; 2 N PCES 1A (0-4), 1B (5-9), 1C (10-13), 1D (12-20), 3 N 1E (21-50), 1F (52-78), 1G (79-103), 1H (103-147); 4 T PCES 1A-1D COARSE-GRAINED APHYRIC GABBRO,PCS 1E-1H 5 T MEDIUM-GRAINED APHYRIC DOLERITE WITH POIKILITIC 6 T SEGREGATION OF MAFICS FROM FELSICS YIELDING A PATCHY 7 T APPEARANCE; 8 A EXTENSIVELY 9 A % PCES 1A-1D; 10 A MOD 11 A % REMAINDER OF SECTION; 12 O PCES 1A-1D DARK BROWNISH-GRAY(5YR6/1),PCES 1E-1H 13 O (N5 TO 5YR6/1); 14 P COMBINE 15 P % PYX-FELD INTERGROWTHS,PINKISH AGGS,APPEAR TO HAVE 16 P % XTLLINE STRUCTURE; 17 G PLAG 18 G CPX 19 G OL 20 G % PLAG & CPX & OL IN PCES 1A-1D; 21 G ZEOL 22 R SILICA 23 R % PCES 1E-1H,AMORPHOUS; 24 64478 46 2 01500 392.00 393.50 395.00 SAUN 13 1 L APHYRIC DOLERITE; 2 N PCES 1A (0-25), 1B (25-53), 1C (53-73), 1D (73-99), 3 N 1E (98-125), 1F (124-150); 4 T MEDIUM-GRAINED APHYRIC DOLERITE,PATCHY APPEARANCE 5 T (POIKILITIC); 6 S SEGREGATION OF MAFICS CAUSES BLOTCHY APPEARANCE,ZEOL 7 S -FILLED CAVITIES(?); 8 A MOD 9 O MEDIUM GRAY TO MEDIUM BROWNISH-GRAY(5YR6/1); 10 G PYX 11 G PLAG 12 G OL 13 64478 46 3 01500 392.00 395.00 396.50 SAUN 28 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-35), 1B (34-57), 1C (56-77), 1D (76-95), 3 N 1E (95-101), 1F (101-110), 1G (109-132), 4 N 1H (130-149); 5 T MEDIUM-GRAINED APHYRIC DOLERITE,COARSE-GRAINED 6 T ALMOST GABBROIC INTERVAL AT 93-101CM,BLOTCHY 7 T APPEARANCE SIMILAR TO PREVIOUS SECTIONS,POIKILITIC 8 T TEXTURE MAY BE DUE TO GROWTH OF 1-1.5CM INTERGROWN 9 T XTLS OF FELDSPAR & OPX(?); 10 S VEINING NOTICEABLY LESS THAN IN PREVIOUS CORES,ZEOL 11 S & SI-FILLED CAVITIES IN PCES 1A+1D-1E,NUMEROUS EMPTY 12 S CAVITIES IN GABBROIC SECTION PERHAPS DUE TO 13 S HYDROTHERMAL DISSOLUTION; 14 A MOD 15 A % APPEARS TO BE DECREASING; 16 A EXTENSIVELY 17 A % INTERVAL 88-105CM; 18 O MEDIUM GRAY(N5) TO MEDIUM LIGHT BROWNISH-GRAY 19 O (5YR6/1); 20 G PYX 21 G FELDSPAR 22 G OPX 23 G % ID OPX UNCERTAIN; 24 G PLAG 25 G OL 26 R ZEOL 27 R SILICA 28 64478 46 4 01350 392.00 396.50 397.85 SAUN 17 1 L APHYRIC DOLERITE; 2 N PCES 1A (0-25), 1B (25-42), 1C (42-75), 1D (75-94), 3 N 1E (95-110), 1F (111-116), 1G (115-132); 4 T MEDIUM-GRAINED(GRAINSIZE 1-1.5MM),APHYRIC DOLERITE; 5 A MOD 6 A % OCCASIONAL SMALL(1MM) AMORPHOUS WHITE BLEBS OF SI 7 A % & ZEOL; 8 O MEDIUM GRAY(N5); 9 G FELDSPAR 10 G % SLIGHTLY ALTERED; 11 G CPX 12 G OL 13 G % FRESHER THAN FELDSPAR; 14 R SILICA 15 R ZEOL 16 R % SILICA & ZEOL IN AMORPHOUS BLEBS; 17 64478 46 5 01150 392.00 398.00 399.15 SAUN 17 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-20), 1B (20-45), 1C (45-60), 1D (60-85), 3 N 1E (85-112); 4 T MEDIUM-GRAINED APHYRIC DOLERITE,GRAINSIZE 1-1.5MM, 5 T LARGER POIKILOBLASTS OF PYX ENCLOSING FELD PRODUCE 6 T BLOTCHY APPEARANCE; 7 S FINE WHITE VEINS OF SILICA & ZEOL; 8 A MOD 9 A % OCCASIONAL SMALL AMORPHOUS WHITE BLEBS OF SILICA & 10 A % ZEOL; 11 A MOD 12 A % FELDSPAR; 13 G FELDSPAR 14 G CPX 15 G OL 16 R SILICA 17 64478 48 1 01400 410.00 410.00 411.40 SAUN 14 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-6), 1B (7-18), 1C (17-28), 2A (30-32), 3 N 2B (32-36), 2C (38-40), 2D (41-45), 2E (45-48), 4 N 3A (50-67), 3B (67-80), 3C (85-115), 3D (115-137); 5 T MEDIUM-GRAINED,APHYRIC,GRAINSIZE 1-1.5,SIMILAR TO 6 T CORE 46; 7 A MOD 8 O MEDIUM-GRAY(N5); 9 G FELDSPAR 10 G % SLIGHTLY ALTERED; 11 G CPX 12 G OL 13 G % CPX & OL FRESHER THAN FELDSPAR; 14 64478 49 1 01500 412.00 412.00 413.50 SAUN 22 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-25), 1B (25-50), 1C (51-65), 1D (65-80), 3 N 1E (81-104), 1F (101-110), 1G (110-125), 4 N 1H (125-138), 1I (139-150); 5 T MEDIUM-GRAINED,APHYRIC,BLOTCHY APPEARANCE DUE TO 6 T OPHITIC TEXTURES; 7 S VEIN SEPARATING PCES 1D+1E HAS CAUSED CONSIDERABLE 8 S REXTLLLIZATION OF THESE PCES FOR A DISTANCE OF 2CM 9 S EITHER SIDE OF VEIN; 10 A MOD 11 A % ALTERATION APPEARS TO BE LESS THAN IN PREVIOUS 12 A % CORES,MINOR AMORPHOUS BLEBS OF SILICA & ZEOL; 13 O MEDIUM-GRAINED(N4/N5); 14 G CPX 15 G PLAG 16 G % PALE-GREEN PYX XTLS OPHITICALLY ENCLOSE SMALL PLAG 17 G % LATHS,LARGER PYX XTLS SURROUNDED BY DARK GREEN PYX 18 G % & PLAG & ORE; 19 G OP.MINS 20 R SILICA 21 R ZEOL 22 64478 49 2 01450 412.00 413.50 414.95 SAUN 12 1 L APHYRIC DOLERITE; 2 N PCES 1A (0-12), 1B (12-22), 1C (23-32), 1D (32-47), 3 N 1E (47-61), 1F (60-83), 1G (83-105), 1H (105-130), 4 N 1I (130-145); 5 T IDENTICAL TO CORE 49-1; 6 S PCES 1E-1F+1H SILICA &/OR ZEOL-FILLED VEINS WITH NO 7 S CALCITE; 8 A MOD 9 O CONTINUATION OF CORE 49-1; 10 R SILICA 11 R ZEOL 12 64478 49 3 01450 412.00 415.00 416.45 SAUN 11 1 L APHYRIC DOLERITE; 2 N PCES 1A (0-5), 1B (5-41), 1C (40-75), 1D (74-94), 3 N 1E (93-130), 1F (130-142); 4 T IDENTICAL TO CORES 49-1 & 49-2; 5 S ZEOL &/OR SI-VEINS IN PCES 1C+1F(NO CARB DETECTED); 6 A MOD 7 A % PERHAPS FRESHER THAN CORES 49-1 & 49-2; 8 O CONTINUATION OF CORE 49-2; 9 R SILICA 10 R ZEOL 11 64478 50 1 01500 419.00 419.00 420.50 SAUN 19 1 L APHYRIC DOLERITE; 2 N PCES 1A (0-39), 1B (38-79), 1C (79-128), 3 N 1D (128-149); 4 T MEDIUM-GRAINED APHYRIC DOLERITE,INEQUIGRANULAR, 5 T POIKILITIC TEXTURE; 6 S PCE 1A EXTENSIVELY VEINED & FILLED WITH SI &/OR ZEOL 7 S (NO CARB); 8 A % FRESHER THAN PREVIOUS CORES; 9 O MEDIUM GRAY(N5) TO MEDIUM-DARK GRAY(N4); 10 G PYX 1-1.5 11 G % PINKISH-GRAY & ROUNDED & ANHEDRAL DIFFUSE XTLS; 12 G FELDSPAR 13 G PLAG 14 G % PYX(SUBOPHITICALLY ENCLOSING PLAG) IN A MATRIX OF 15 G % FELDSPAR & DARK PYX & ORE & OL; 16 R SILICA 17 R ZEOL 18 R CARB 0 19 64478 50 2 01500 419.00 420.50 422.00 SAUN 6 1 L DOLERITE; 2 N PCES 1A (1-40), 1B (40-88), 1C (87-130), 3 N 1D (130-148); 4 T IDENTICAL TO CORE 50-1; 5 S VERY DIFFUSE WHITE VEIN IN PCE 1B(58-63CM); 6 64478 50 3 01500 419.00 422.00 423.50 SAUN 16 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-7), 1B (7-27), 1C (27-40), 1D (40-55), 3 N 1E (55-73), 1F (73-95), 1G (94-130), 1H (130-145); 4 T INEQUIGRANULAR DOLERITE,APHYRIC,ESSENTIALLY 5 T IDENTICAL TO PREVIOUS 2 SECTIONS; 6 S PCES 1B+1F-1G MINOR VEINING(NOT CALCITE); 7 A FRESH 8 O MEDIUM-GRAY TO MEDIUM DARK GRAY(N5-N4); 9 G PYX 10 G % LARGE BROWNISH-GRAY IRREGULAR PYX,DARK 11 G % GREEN PYX; 12 G PLAG 13 G OL 14 G % ID UNCERTAIN FOR OL; 15 G OP.MINS 16 64478 50 4 01500 419.00 423.50 425.00 SAUN 12 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-10), 1B (11-56), 1C (55-87), 1D (87-119), 3 N 1E (118-148); 4 T SAME AS PREVIOUS SECTION,ACCENTUATION OF DARK 5 T MINERALS CAUSING A SPECKLED APPEARANCE ADJACENT TO 6 T THE VEINS; 7 S 2 VEINS RUNNING ALMOST THE LENGTH OF THE SECTION ARE 8 S 3-5MM WIDE & CONTAIN APHANITIC PALE GRAY MINERALS 9 S (NOT CALCITE); 10 A MOD 11 A % REACTION OF VEIN WITH COUNTRY ROCK CONSIDERABLE; 12 64478 50 5 01500 419.00 425.00 426.50 SAUN 10 1 L DOLERITE; 2 N PCES 1A (1-14), 1B (16-30), 1C (28-49), 1D (48-76), 3 N 1E (75-101), 1F (99-118), 1G (118-143); 4 T ESSENTIALLY IDENTICAL TO CORE 50-3; 5 S TWO MINOR VEINS IN PCES 1C+1G(NOT CALCITE-PROBABLY 6 S SILICA &/OR ZEOL); 7 R SILICA 8 R ZEOL 9 R % ID SILICA & ZEOL UNCERTAIN; 10 64478 50 6 01500 419.00 426.50 428.00 SAUN 10 1 L DOLERITE; 2 N PCES 1A (0-16), 1B (15-31), 1C (31-49), 1D (48-76), 3 N 1E (76-110), 1F (110-137), 1G (136-147); 4 T ESSENTIALLY IDENTICAL TO CORE 50-3; 5 S MINOR VEINS IN PCES 1A+1C+1G(NOT CALCITE-PROBABLY 6 S SILICA &/OR ZEOL); 7 R SILICA 8 R ZEOL 9 R % ID SILICA & ZEOL UNCERTAIN; 10 64478 51 1 01500 428.00 428.00 429.50 SAUN 19 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-3), 1B (3-8), 1C (8-10), 2A (11-53), 3 N 2B (53-78), 2C (79-90), 2D (90-111), 2E (110-128), 4 N 2F (128-146); 5 T APHYRIC,MEDIUM-GRAINED BUT STRONGLY INEQUIGRANULAR 6 T DOLERITE,POIKILITIC TEXTURE,PCES 1A-1C PCES OF PYX 7 T GABBRO; 8 A MOD 9 A % PCES 1A-1C+2F,WEATHERING VERY SLIGHT; 10 A FRESH 11 A % PCES 2A-2E; 12 O MEDIUM-GRAY(N5); 13 G PYX 14 G % LARGE,ROUNDED,ANHEDRAL,GRAY-BROWN XTLS; 15 G PLAG 16 G CPX 17 G OL 18 G OP.MINS 19 64478 51 2 01500 428.00 429.50 431.00 SAUN 9 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-20), 1B (19-40), 1C (39-49), 1D (49-59), 3 N 1E (58-79), 1F (78-96), 1G (95-111), 1H (111-130), 4 N 1I (130-149); 5 T APHYRIC MEDIUM-GRAINED POIKILITIC DOLERITE,SIMILAR 6 T TO CORE 51-1; 7 S ABUNDANT PLAG-CPX GABBRO XENOLITHS(TO 10CM ACROSS); 8 O MEDIUM GRAY(N5); 9 64478 51 3 01500 428.00 431.00 432.50 SAUN 13 1 L DOLERITE; 2 N PCES 1A (0-12), 1B (13-33), 1C (33-46), 1D (47-53), 3 N 1E (53-62), 1F (62-72), 1G (73-91), 1H (92-110), 4 N 1I (110-125), 1J (125-131), 1K (130-147); 5 T 20% OF ROCK COARSE-GRAINED XENOLITHS OF PYX-FELDSPAR 6 T GABBRO,SIMILAR TO CORE 51-1,POIKILITIC DOLERITE; 7 S CAVITIES IN XENOLITHS CONTAIN ACICULAR ZEOL IN 8 S ADDITION TO CRYPTOXTLLINE SILICA; 9 A FRESH 10 A % IN GENERAL,BOTH GABBRO & DOLERITE; 11 R ZEOL 12 R SILICA 13 64478 51 4 01500 428.00 432.50 434.00 SAUN 18 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-19), 1B (18-35), 1C (35-48), 1D (45-58), 3 N 1E (58-74), 1F (75-93), 1G (94-102), 1H (101-120), 4 N 1I (121-127), 1J (125-137), 1K (136-147); 5 T MEDIUM-GRAINED,INEQUIGRANULAR,APHYRIC,POIKILITIC, 6 T SIMILAR TO CORE 51-1; 7 S 5% 5-10CM WIDE XENOLITHS OF PYX-FELDSPAR GABBRO, 8 S XENOLITHS HAVE ZEOL-LINED OR FILLED CAVITIES; 9 A MOD 10 A % PCES 1I-1J; 11 A FRESH 12 A % REMAINDER OF SECTION; 13 O MEDIUM GRAY(N4-N5); 14 G PYX 15 G FELDSPAR 16 G % PYX & FELDSPAR IN GABBRO XENOLITHS; 17 R ZEOL 18 64478 51 5 01500 428.00 434.00 435.50 SAUN 11 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-10), 1B (10-30), 1C (30-45), 1D (45-55), 3 N 1E (55-84), 1F (85-109), 1G (109-124), 1H (125-134), 4 N 1I (135-148); 5 T ESSENTIALLY SIMILAR TO CORE 51-4; 6 S FEWER GABBRO XENOLITHS THAN CORE 51-4,AMORPHOUS SI 7 S &/OR ZEOL-FILLED CAVITIES(TO 2MM ACROSS) IN PCE 1G 8 S (117-120CM); 9 R SILICA 10 R ZEOL 11 64478 51 6 01350 428.00 435.50 436.85 SAUN 26 1 L APHYRIC DOLERITE; 2 N PCES 1A (0-11), 1B (10-28), 1C (28-43), 1D (43-62), 3 N 1E (62-79), 1F (79-89), 1G (89-111), 1H (111-120), 4 N 1I (121-135); 5 T MEDIUM-GRAINED,APHYRIC,INEQUIGRANULAR POIKILITIC, 6 T TEXTURE & MINERALOGY VERY SIMILAR TO THOSE IN 7 T PRECEDING CORES & SECTIONS,POIKILOBLASTIC XTLS OF 8 T PINKISH-GRAY PYX SUBOPHITICALLY ENCLOSING PLAG; 9 A FRESH 10 A MOD 11 A % 87-91CM INTERVAL DEVELOPMENT OF OCCASIONAL BLEBS 12 A % OF AMORPHOUS SILICA &/OR ZEOL; 13 O MEDIUM GRAY(N5) TO MEDIUM-DARK GRAY(N4); 14 G PYX 15 G % PINKISH-GRAY XTLS SUBOPHITICALLY ENCLOSING PLAG; 16 G PLAG 17 G FELDSPAR 18 G PYX 19 G % DARK-GREEN; 20 G OL 21 G OP.MINS 22 G % FELDSPAR,DARK-GREEN PYX & OL SURROUND PINKISH-GRAY 23 G % POIKILOBLASTS; 24 R SILICA 25 R ZEOL 26 64478 52 1 01400 437.00 437.00 438.40 SAUN 17 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-13), 1B (12-25), 1C (25-34), 1D (34-60), 3 N 1E (60-80), 1F (80-104), 1G (103-130), 1H (131-140); 4 T MEDIUM-GRAINED,APHYRIC,INEQUIGRANULAR-POIKILITIC, 5 T SIMILAR TO CORE 51-1 WITH NO GABBRO XENOLITHS; 6 S EXTENSIVE AMORPHOUS SI & ZEOL VEINS IN SEVERAL PCES; 7 A MOD 8 A % MORE ALTERED THAN IN CORE 51-1; 9 O MEDIUM-DARK GRAY TO DARK GRAY(N4-N3); 10 G PYX 11 G % LARGE,PINKISH-GRAY XTLS OPHITICALLY ENCLOSE PLAG; 12 G PLAG 13 G PYX 14 G % GREEN; 15 G OL 16 G OP.MINS 17 64478 52 2 01500 437.00 438.50 440.00 FOR 19 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-10), 1B (10-17), 1C (17-30), 1D (29-50), 3 N 1E (50-63), 1F (62-81), 1G (82-89), 1H (89-98), 4 N 1I (98-109), 1J (109-117), 1K (117-125), 5 N 1L (125-131), 1M (132-138), 1N (140-148); 6 T MEDIUM-GRAINED,APHYRIC,POIKILITIC(?),SIMILAR TO CORE 7 T 52-1; 8 S ONE LARGE QTZ & ZEOL VEIN CUTS THROUGH PCES 1F+1G+ 9 S 1H; 10 A MOD 11 O MEDIUM-DARK GRAY(N4-N5); 12 G CPX 13 G % APPEARS TO BE POIKILITICALLY ENCLOSED AFTER 14 G % MINERAL PHASES EXCEPT FOR MORE ABUNDANT OL,LARGE 15 G % ANHEDRAL XTLS; 16 G OL 17 R QTZ 18 R ZEOL 19 64478 52 3 01410 437.00 440.00 441.41 FOR 13 1 L CPX POIKILITIC DOLERITE; 2 N PCES 1A (1-6), 1B (7-15), 1C (15-27), 1D (27-40), 3 N 1E (40-56), 1F (57-70), 1G (70-80), 1H (80-94), 4 N 1I (94-107), 1J (107-117), 1K (117-128), 5 N 1L (128-141); 6 T HOMOGENOUS,POIKILITIC,SIMILAR TO CORES 52-1 & 52-2; 7 S LITTLE VEINING,SMALL SILIC VEIN IN PCE 1I, 8 S UNFRACTURED; 9 A MOD 10 O MEDIUM-DARK GRAY; 11 P CPX 12 R SILICA 13 64478 52 4 01410 437.00 441.50 442.91 FOR 11 1 L DOLERITE; 2 N PCES 1A (1-16), 1B (17-28), 1C (29-41), 1D (42-56), 3 N 1E (57-63), 1F (64-86), 1G (86-100), 1H (100-119), 4 N 1I (119-134), 1J (134-145); 5 T HOMOGENOUS,SIMILAR IN ALL RESPECTS TO CORES 52-1 TO 6 T 52-3,POIKILITIC MOTTLING LESS PRONOUNCED; 7 S NO VEINING & LESS FRACTURED; 8 A MOD 9 A % FRESHER THAN PREVIOUS SECTIONS; 10 O MEDIUM-DARK GRAY(N4-N5); 11 64478 52 5 01450 437.00 443.00 444.45 FOR 15 1 L DOLERITE; 2 N PCES 1A (1-10), 1B (11-17), 2 (19-27), 3A (30-38), 3 N 3B (37-56), 3C (56-65), 3D (60-70), 3E (70-80), 4 N 3F (80-90), 3G (90-96), 3H (96-101), 3I (102-105), 5 N 3J (105-120), 3K (121-145); 6 T MORE HOMOGENOUS & LESS MOTTLED & FINER-GRAINED THAN 7 T PREVIOUS CORES; 8 A MOD 9 A % PCES 1A-2 MORE ALTERED THAN REST OF SECTION(AT 10 A % BASE OF PCE 1B ESPECIALLY); 11 O MEDIUM GRAY TO MEDIUM-LIGHT GRAY(N5-N6); 12 G CPX 13 G PLAG 14 G OL 15 64478 52 6 01410 437.00 444.50 445.91 FOR 12 1 L DOLERITE; 2 N PCES 1A (1-25), 1B (25-38), 1C (39-69), 1D (70-85), 3 N 1E (86-121), 1F (122-133), 1G (133-141); 4 T HOMOGENOUS,SIMILAR TO CORE 52-5,MOTTLING NOT AS 5 T PREVALENT AS IN SECTIONS 1 THRU 4,PCE 1E APPPEARS TO 6 T HAVE AN OL SEGREGATION IN IT; 7 S UNFRACTURED & UNVEINED; 8 A SLIGHTLY TO MOD 9 O MEDIUM GRAY(N5); 10 G OL 11 G % SEGREGATION IN PCE 1E; 12 64478 52 7 0 500 437.00 446.00 446.50 FOR 8 1 L DOLERITE; 2 N PCES 1A (0-23), 1B (24-50); 3 T SAME AS CORE 52-6,MOTTLING BECOMING PROGRESSIVELY 4 T LESS PROMINENT,HOMOGENOUS; 5 S UNFRACTURED & UNVEINED; 6 A SLIGHTLY 7 O MEDIUM-GRAY(N6),PCE 1B MARKS END OF CORE 52; 8 64478 53 1 01400 446.00 446.00 447.40 FOR 13 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-15), 1B (16-41), 1C (40-65), 1D (65-70), 3 N 1E (70-86), 1F (86-105), 1G (105-130), 1H (130-140); 4 T HOMOGENOUS,FINE-GRAINED,APHYRIC,VERY LITTLE 5 T MOTTLING; 6 S UNFRACTURED,ONE SMALL SI & CLAY VEIN PRESENT IN PCE 7 S 1H; 8 A SLIGHTLY 9 A MOD 10 A % 130-140CM; 11 R SILICA 12 R CLAY 13 64478 53 2 01500 446.00 447.50 449.00 FOR 15 1 L DOLERITE; 2 N PCES 1 (1-7), 2A (10-18), 2B (19-37), 2C (39-50), 3 N 2D (51-70), 2E (70-79), 2F (80-85), 2G (84-93), 4 N 2H (93-102), 2I (103-111), 2J (112-125), 5 N 2K (126-136), 2L (137-150); 6 T SAME AS CORE 53-1; 7 S MORE SILICA/ZEOL VEINS THAN IN CORE 53-1,PCE 2F SPLI 8 S ALONG THE SURFACE OF A VEIN; 9 A SLIGHTLY TO MOD 10 A % PCES 1 & 2E-2G MODERATELY ALTERED; 11 O MEDIUM-LIGHT GRAY(N6); 12 R SILICA 13 R CLAY 14 R ZEOL 15 64478 53 3 01450 446.00 449.00 450.45 FOR 14 1 L DOLERITE; 2 N PCES 1A (1-13), 1B (12-16), 1C (17-30), 1D (30-40), 3 N 1E (40-50), 1F (50-60), 1G (60-71), 1H (71-85), 4 N 1I (85-95), 1J (95-108), 1K (109-111), 1L (112-114), 5 N 1M (115-117), 1N (118-130), 1O (130-145); 6 T SAME AS CORE 53-2,FINE-GRAINED,HOMOGENOUS,PCES 1M-1O 7 T ARE SLIGHTLY FINER-GRAINED THAN PCES 1A-1L; 8 S FEW VEINS,PCES 1D+1E NOT FRACTURED,MINOR VEINS 9 S CONTAIN CALCITE; 10 A SLIGHTLY TO MOD 11 A % PCES 1D & 1G MODERATELY ALTERED; 12 O MEDIUM-LIGHT GRAY(N6); 13 R CALCITE 14 64478 53 4 01000 446.00 450.50 451.50 FOR 10 1 L APHYRIC DOLERITE; 2 N PCES 1A (1-13), 1B (13-31), 1C (32-46), 1D (46-53), 3 N 1E (53-61), 1F (62-75), 1G (75-98); 4 T APHYRIC,FINE-GRAINED,SIMILAR TO CORE 53-3; 5 S EXTENSIVE MICROFRACTURING IN PCE 1D WHICH SOMEWHAT 6 S CONTINUES INTO PCES 1C+1E; 7 A SLIGHTLY TO MOD 8 A % PCE 1D MODERATELY ALTERED; 9 O MEDIUM GRAY TO MEDIUM-LIGHT GRAY(N5-N6); 10 64478 54 1 01500 455.00 455.00 456.50 SAUN 27 1 L APHYRIC BASALT OR DOLERITE; 2 N PCES 1A (0-10), 1B (10-20), 2A (21-22), 2B (23-25), 3 N 2C (25-28), 2D (28-30), 3 (32-38), 4A (41-51), 4 N 4B (50-100), 5A (102-103), 5B (103-106), 5 N 5C (106-113), 5D (113-119), 6 (120-141); 6 T APHYRIC,COARSE-GRAINED WITH GRAINSIZE PROGRESSIVELY 7 T DECREASING THROUGH SECTION,SPECKLED APPEARANCE, 8 T PROPORTION OF FELDSPAR INCREASES DOWN THE SECTION; 9 S FRACTURES LINED WITH GREEN CLAY; 10 A MOD 11 O MEDIUM GRAY(N5),ROCK AT BOTTOM OF THIS SECTION 12 O AND THROUGHOUT REST OF CORE IS DIFFERENT FROM 13 O THAT IN CORE 53, THE LATTER HAS A FINE-GRAINED FRESH 14 O DOLERITIC APPEARANCE WHEREAS THIS SECTION HAS A 15 O "SPECKLED" APPEARANCE WITH ALTERED FELDSPAR LATHS 16 O LYING IN A DK GREEN CPX-OL MATRIX; 17 P FELDSPAR 50 18 P % 1-4MM LONG & 0.5-1MM WIDE LATHS IN PCE 1A & 1.5MM 19 P % IN LENGTH & <0.5MM WIDE IN PCE 6,PROPORTION 20 P % INCREASES DOWN THE SECTION,ALTERED; 21 G CPX 22 G % DARK; 23 G OL 24 G % TOTAL % CPX & OL IS 50%; 25 R CLAY 26 R % GREEN; 27 64478 54 2 0 800 455.00 456.50 457.30 SAUN 13 1 L APHYRIC BASALT; 2 N PCE 1A (0-45), 1B (45-58), 2 (60-80); 3 T APHYRIC, VERY FINE-GRAINED, GRAINSIZE GENERALLY 4 T LESS THAN 0.5MM; 5 S BOTTOM PART OF INTERVAL BECOMES FRAGMENTED, CHLORITE 6 S VEIN IN PIECE 1A; 7 A MOD; 8 O MEDIUM LIGHT GREY BASALT, CONTINUATION OF SECT. 1; 9 R CLAY.MIN 10 R % ABUNDANT; 11 R CHLORITE 12 R % ID UNCERTAIN FOR CHLORITE,FILLS VEIN; 13 64478 54 2 800 950 455.00 457.30 457.45 SAUN 13 1 L BASALT; 2 N PCE 3A (80-83), 3B (83-87), 3C (86-90), 3 N 3D (91-93), 3E (91-94); 4 T APHANITIC; 5 S SMALL FRAGMENTS COMPRISING APHANITIC GREENISH GRAY 6 S (5 G 6/1) BASALT; 7 A MOD; 8 O GREENISH GRAY COLOR (5 G 6/1), PCE 1A CONTAINS 9 O CONTACT BETWEEN APHANITIC BASALT (CONT. OF 0-80) 10 O AND MORE COARSELY XTLLINE BASALT (90-140); 11 V RARE SMECTITE 12 V % SMEC-LINED VESICLES OR CAVITIES; 13 64478 54 2 9501450 455.00 457.45 457.95 SAUN 18 1 L APHYRIC BASALT; 2 N PCE 4A (95-105), 4B (105-111), 4C (112-125), 3 N 4D (122-144), 4E (140-145); 4 T FINE-GRAINED,APHYRIC; 5 A MOD; 6 O CONTACT: INTERVAL 80-95: UPPER UNIT (0-80) 7 O APPEARS TO BE CHILLED AGAINST LOWER UNIT (95-145) 8 O WITH POSSIBLE REGROWTH OF FELDSPARS IN LOWER UNIT 9 O (SEE T.S. DESCRIPTION); 10 G FELDSPAR 1-2 11 G % VERY ELONGATE, RANDOMLY ORIENTED LATHS IN PCES 12 G % 4A AND 4B, BUT IN PCES (4C,4D, & 4E) THEY ARE 13 G % LESS WELL DEVELOPED; 14 R CHLORITE MAFICS 15 R % ID UNCERTAIN FOR CHLORITE; 16 R PYRITE 17 R % AT 121CM, 143 CM; 18 64478 54 3 01500 455.00 458.00 459.50 SAUN 22 1 L APHYRIC BASALT; 2 N PCES 1A (0-34), 1B (30-41), 1C (39-53), 1D (50-65), 3 N 1E (65-93), 1F (90-141), 1G (139-150); 4 T MEDIUM-GRAINED APHYRIC BASALT,GRAINSIZE <2MM & 5 T GENERALLY 0.5-1MM,COARSER-GRAINED AREA OCCURS IN PCE 6 T 1G(PROBABLY ALTERATION PROCESS); 7 S OCCASIONAL VEINS CONTAIN CALCITE & SEVERAL FRACTURES 8 S ARE COATED WITH PYR; 9 A MOD 10 A % LIGHT COLORATION POSSIBLY DUE TO ALTERATION,COARSE 11 A % -GRAINED AREA IN PCE 1G MAY BE DUE TO ALTERATION; 12 O MEDIUM-LIGHT GRAY(N6); 13 G FELDSPAR 14 G % WHITE,OPAQUE; 15 G MAFICS 16 G % ALTERED; 17 R CALCITE 18 R PYR 19 R % IN FRACTURES & IN MATRIX; 20 R PYR 21 R CALCITE 22 64478 54 4 01100 455.00 459.50 460.60 SAUN 12 1 L APHYRIC BASALT; 2 N PCE 1A (0-45), 1B (43-75), 1C (75-93), 1D (93-100), 3 N 1E (98-104), 1F (104-110); 4 T APHYRIC, MEDIUM-GRAINED, BECOMES MORE MAFIC TOWARD 5 T BASE OF SECTION (N5/N6 AT TOP, N4 AT BOTTOM), 6 T TEXTURALLY AND MINERALOGICALLY VERY SIMILAR TO 7 T SECTION 1; 8 A MOD; 9 O MEDIUM GRAY (N5), CONTINUATION OF SECTION 3; 10 R CALCITE 11 R PYRITE 12