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 63 473 29 1 0.0 247.50 247.50 248.45 CROUCH, J. BASALT PCES 1A (0-12), 1B (12-15), 1C (15-20), 2 (23-31), 3A (33-38), 3B (36-37), 3C (38-40), 3D (38-41), 4 (44-47), 6A (62-69), 6B (66-81), 6C (81-87), 6D (88-94) CHILLED TO APHANITIC MARGIN GRADES OVER 2-3CM TO FINE-TO-MEDIUM XTLLINE BASALT MASSIVE,IRREGULAR ELONGATE VOIDS 1-2CM LONG IN PCE 1A,CALCITE VEINS(1MM-1CM THICK) PCES 6A+6C EXTENSIVELY DIUM GRAY(N5) TO MEDIUM DARK GRAY(N4) 1 CLAY comments : SCATTERED,SOME CLAY-FILLED IN PCES 6B+6C CALCITE | CLAY 63 473 29 1 50.0 247.50 248.00 248.10 CROUCH, J. SEDIMENTCLAYSTONE PCES 5A & 5B (50-60) 63 473 30 1 0.0 252.00 252.00 253.50 NIEM, ALAN DOLERITEDOLERITE SILL PCES 1A (1-7), 1B (8-15), 1C (15-20), 2 (14-17), 3A (31-34), 3B (35-40), 3C (42-46), 3D (47-54), 3E (55-57), 3F (57-67), 4A (71-73), 4B (74-77), 5A (80-86), 5B (83-88), 5C (88-95), 5D (96-100), 5E (100-108), 5F (108-115), 5G (116-123), 5H (123-134), 5I (135-137), 6 (141-149) APHYRIC,FINE-TO-MEDIUM XTLLINE MASSIVE,CALCITE & GREEN CLAY-CHERT-FILLED FRACTURES THROUGHOUT EXTENSIVELY DIUM GRAY(N5) TO MEDIUM DARK GRAY(N4) 1 CLAY comments : SCATTERED,CONCENTRATED CALCITE | CLAY comments : GREEN CLAY-CHERT 63 473 30 2 0.0 252.00 253.50 255.00 SHIBATA, T. DOLERITE PCES 1A (1-8), 1B (8-20), 1C (20-30), 1D (30-40), 1E (40-48), 1F (48-56), 1G (56-61), 2A (62-80), 2B (80-98), 2C (98-112), 2D (112-122), 3A (124-131), 3B (130-138), 3C (139-149) FINE-TO-MEDIUM-GRAINED,APHYRIC,HOMOGENEOUS THROUGHOUT MASSIVE,CALCITE &/OR MICROXTLLINE QTZ-FILLED VEINS (0.5-1CM THICK),ORE MINS IN & ALONG CALCITE VEINS IN PCE 1A EXTENSIVELY DIUM-GRAY(N5) TO MEDIUM DARK GRAY(N4),ORES IN & ONG CALCITE VEINS IN PCE 1A CALCITE | QTZ comments : MICROXTLLINE 63 473 30 3 0.0 252.00 255.00 256.35 SHIBATA, T. DOLERITE PCES 1 (1-11), 2 (13-23), 3 (26-32), 4 (36-40), 5A (41-52), 5B (54-60), 5C (54-69), 5D (70-71), 6A (73-77), 6B (77-89), 6C (89-100), 6D (102-111), 7 (113-125), 8 (129-131) FINE-TO-MEDIUM-GRAINED,APHYRIC,HOMOGENEOUS THROUGHOUT MASSIVE,CALCITE &/OR MICROXTLLINE QTZ-FILLED VEINS (0.5-1CM THICK) EXTENSIVELY LCITE Z MICROXTLLINE 63 473 31 1 0.0 257.00 257.00 258.50 SHIBATA, T. DOLERITE PCES 1A (0-6), 1B (5-15), 1C (14-30), 1D (30-39), 2A (41-45), 2B (45-62), 2C (61-84), 2D (84-93), 2E (93-116), 2F (115-124), 2G (123-135), 2H (135-142), 2I (142-147) FINE-TO-MEDIUM-GRAINED,APHYRIC,QUITE HOMOGENEOUS THROUGHOUT MASSIVE,CALCITE &/OR CLAY-FILLED VEINS(0.5-1CM THICK) EXTENSIVELY DIUM GRAY(N5) TO MEDIUM DARK GRAY(N4) CALCITE | CLAY 63 473 31 2 0.0 257.00 258.50 259.75 SHIBATA, T. DOLERITE PCES 1A (1-13), 1B (12-22), 1C (23-28), 2 (30-32), 3 (35-42), 4 (45-50), 5 (52-59), 6D (62-70), 7 (73-78), 8 (81-86), 9A (88-98), 9B (98-105), 9C (105-117), 9D (118-125) FINE-TO-MEDIUM-GRAINED,APHYRIC,QUITE HOMOGENEOUS THROUGHOUT MASSIVE,CALCITE &/OR CLAY-FILLED VEINS(0.5-1CM THICK) MOD TO EXTENSIVELY DIUM GRAY(N5) TO MEDIUM DARK GRAY(N4) CALCITE | CLAY 63 473 32 1 0.0 266.00 266.00 267.50 LEINEN, M. DOLERITE PCES 1 (0-3), 2A (5-30), 2B (28-55), 2C (52-63), 2D (62-69), 2E (70-85), 2F (85-95), 2G (95-106), 2H (106-115), 2I (115-121), 2J (121-130), 2K (130-139), 2L (139-147) FINE-TO-MEDIUM-GRAINED,APHYRIC,QUITE HOMOGENEOUS THROUGHOUT MASSIVE,CALCITE &/OR CLAY-FILLED VEINS(0.2-1.5CM THICK) MOD TO EXTENSIVELY PCES 2K+2L ARE SO BADLY ALTERED THAT THEY ARE BROKEN IN SEVERAL SMALL PCES, PCES 1-2D ARE EXTENSIVELY ALTERED MEDIUM GRAY(N5) TO MEDIUM DARK GRAY(N4) CALCITE | CLAY 63 473 32 2 0.0 266.00 267.50 269.00 LEINEN, M. DOLERITE PCES 1A (0-14), 1B (14-20), 2 (22-35), 3A (37-50), 3B (50-58), 4 (60-66), 5A (68-79), 5B (79-85), 5C (85-90), 5D (87-98), 5E (95-98), 5F (98-103), 5G (103-106), 5H (103-106), 5I (106-117), 5J (117-130), 5K (130-135), 5L (135-146) FINE-TO-MEDIUM-GRAINED,APHYRIC,QUITE HOMOGENEOUS BETWEEN 0-70CM MASSIVE,CALCITE &/OR CLAY-FILLED VEINS(0.2-1CM THICK) EXTENSIVELY ALTERATION VEINS CAUSED MOST OF PCES TO FALL APART IN SMALLER FRAGMENTS MEDIUM GRAY(N5) TO DARK GRAY(N4) CLAY comments : SIZE INCREASES DOWNWARDS IN CORE(70-140CM) CALCITE | CLAY 63 473 32 3 0.0 266.00 269.00 270.40 LEINEN, M. DOLERITE PCES 1A (0-10), 1B (10-20), 1C (20-38), 1D (39-41), 1E (41-50), 1F (50-66), 1G (65-77), 1H (77-90), 1I (90-106), 1J (105-115), 1K (116-122), 1L (122-140) FINE-TO-MEDIUM-GRAINED,APHYRIC,50-140CM QUITE HOMOGENOUS MASSIVE,CALCITE &/OR CLAY-FILLED VEINS(0.1-1CM THICK) EXTENSIVELY SIZE OF ALTERATION CLAY DECREASES FROM THE TOP TO ABOUT 50CM | MOD PCE 1H MEDIUM GRAY(N5) TO DARK GRAY(N4) CALCITE | CLAY 63 473 32 4 0.0 266.00 270.50 271.70 LEINEN, M. DOLERITE PCES 1A (0-15), 1B (15-28), 1C (28-45), 1D (45-53), 1E (53-60), 1F (61-74), 1G (74-80), 1H (80-88), 1I (88-96), 1J (96-102), 1K (102-107), 2 (110-119) FINE-TO-MEDIUM-GRAINED,APHYRIC,QUITE HOMOGENEOUS EXCEPT AT 68-70CM MASSIVE,CALCITE &/OR CLAY-FILLED VEINS(0.1-1CM THICK) EXTENSIVELY CLAY ALTERATION IS MORE PROMINENT MEDIUM GRAY(N5) TO DARK GRAY(N4) CALCITE | CLAY 63 473 33 1 0.0 275.00 275.00 276.30 DOLERITE PCES 1 (0-18), 2A (21-34), 2B (35-39), 2C (39-56), 2D (56-90), 2E (90-100), 2F (100-121), 2G (121-130) FINE-TO-MEDIUM-GRAINED,APHYRIC,QUITE HOMOGENEOUS THROUGHOUT MASSIVE,CALCITE &/OR CLAY-FILLED VEINS(0.1-0.5CM THICK) EXTENSIVELY DIUM-TO-DARK-GRAY(N5-N4) CALCITE | CLAY 63 473 33 2 0.0 275.00 276.50 277.95 DOLERITE PCES 1A (0-63), 1B (62-74), 1C (74-80), 1D (81-90), 1E (90-125), 1F (125-145) FINE-TO-MEDIUM-GRAINED,APHYRIC,QUITE HOMOGENEOUS THROUGHOUT MASSIVE,VERY FEW CALCITE &/OR CLAY-FILLED VEINS(0.1- 1CM THICK) EXTENSIVELY DIUM-TO-DARK-GRAY(N5-N4) CALCITE | CLAY 63 473 33 3 0.0 275.00 278.00 279.05 DOLERITE PCES 1A (0-7), 1B (7-11), 1C (12-30), 1D (32-53), 1E (51-60), 1F (65-78), 1G (79-90), 1H (90-102) FINE-TO-MEDIUM-GRAINED,APHYRIC SOMEWHAT MORE MASSIVE THAN EARLIER CORES,ONLY ONE CALCITE &/OR CLAY-FILLED VEIN(0.5CM THICK) EXTENSIVELY CORE LESS ALTERED THAN PRECEDING CORES MEDIUM TO DARK GRAY(N5-N4) CALCITE | CLAY 63 473 34 1 0.0 284.00 284.00 285.50 DOLERITE PCES 1A (1-33), 1B (33-60), 1C (60-78), 1D (77-121), 1E (133-150) FINE-TO-MEDIUM-GRAINED,APHYRIC,QUITE HOMOGENEOUS THROUGHOUT CALCITE &/OR CLAY-FILLED VEINS,MASSIVE MODERATELY DIUM TO DARK GRAY(N5-N4) CALCITE | CLAY 63 473 34 2 0.0 284.00 285.50 286.90 SHIBATA, T. DOLERITE PCES 1A (0-13), 1B (13-27), 1C (27-45), 1D (43-52), 1E (50-60), 1F (59-68), 1G (67-80), 1H (80-140) FINE-GRAINED,APHYRIC,GRAINSIZE GRADUALLY DECREASES TOWARDS THE BOTTOM CALCITE &/OR CLAY-FILLED VEINS,MASSIVE MODERATELY LCITE AY 63 473 34 3 0.0 284.00 287.00 287.25 SHIBATA, T. DOLERITE PCES 1A (1-10), 1B (10-23) FINE-GRAINED,APHYRIC MASSIVE MOD DIUM-TO-MEDIUM-DARK GRAY(N5-N4) 63 473 34 3 25.0 284.00 287.25 287.35 SHIBATA, T. BASALT PCES 2 (25-35) MASSIVE MOD DIUM-DARK GRAY(N4) <1 CLAY PLAG 1