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 61 462 60 1 0.0 558.50 558.50 559.04 TOKUYAMA, H. SEDIMENT 61 462 60 1 54.0 558.50 559.04 559.83 TOKUYAMA, H. MASSIVE BASALT SILL PCES 1A (54-86), 1B (86-95), 1C (94-112), 2 (113-117), 3 (119-122), 4A (123-127), 4B (125-132) APHYRIC TO SLIGHTLY PHYRIC, CHILLED MARGIN AT 55- 60CM(?), TRANSITION ZONE AT 60-99CM (FINE), INTERVAL 99-133CM SLIGHTLY COARSE-GRAINED BASALT SILL WITH CHLORITE, CALCITE AND CHLORITE+ CALCITE+CLAY VEINS, MASSIVE MOD ALTERED ABOUT THE VEINS INTERVAL 55-60CM IS PINKISH GRAY 5YR 8/1 (CHILLED MARGIN), INTERVAL 60-133CM IS GREENISH GRAY 5G 6/1, CHLORITE VEIN IS DUSKY BLUE GREEN 5BG 3/2 OL | PLAG | CPX CLAY | CALCITE | CHLORITE 61 462 60 2 0.0 558.50 560.00 561.50 TOKUYAMA, H. MASSIVE BASALT SILLAS ABOVE IN 60-1 PCES 1 (0-20), 2 (20-24), 3A (25-50), 3B (50-60), 4A (60-74), 4B (73-93), 5 (94-98), 6 (100-116), 7 (117-123), 8 (124-129), 9 (130-150) APHYRIC TO SPARSELY PHYRIC, PCES 1-3B ARE SLIGHTLY COARSE GRAINED, PCES 4+5 ARE A TRANSITIONAL ZONE, PCE 6 IS FINE-GRAINED AND APHYRIC MASSIVE BASALT SILL, VEINS PRESENT MOD PCE 2 IS FRESH PHYSICAL PROPERTIES-AT (63-65) V(P)=5.042KM/S, AT (78-80) V(P)=4.049KM/S ACROSS VEIN AND V(P)= 4.232KM/S PARALLEL TO VEIN | SAME UNIT AS 60-1 | PHYSICAL PROPERTIES-AT (0-5) V(P)=5.292KM/S OL | PLAG | CPX 61 462 60 3 0.0 558.50 561.50 562.99 TOKUYAMA, H. MASSIVE BASALT SILL PCES 1 (6-15), 2 (17-26), 3 (28-31), 4 (32-36), 5A (39-50), 5B (50-58), 6 (59-61), 7 (62-71), 8 (71-75), 9 (76-83), 10 (85-94), 11 (95-104), 12 (105-115), 13 (115-121), 14A (123-128), 14B (128-130), 15 (132-139), 16 (140-149) APHYRIC BASALT, PCES 1-15 ARE FINE-GRAINED | MOD MASSIVE BASALT SILL SAME UNIT ABOVE IN 60-1 61 462 60 4 0.0 558.50 563.00 563.28 TOKUYAMA, H. MASSIVE BASALT SILL PCES 1 (0-9), 2 (10-20), 3 (21-27) APHYRIC MASSIVE BASALT SILL MOD SAME UNIT AS ABOVE IN 60-1 61 462 61 1 0.0 567.50 567.50 569.00 TOKUYAMA, H. MASSIVE BASALT SILL PCES 1 (0-6), 2 (7-30), 3A (31-46), 3B (46-61), 3C (50-61), 4 (62-68), 5 (70-77), 6 (78-85), 7 (85-89), 8 (90-95), 9 (96-103), 10 (104-110), 11 (111-122), 12 (123-131), 13 (103-127), 14 (139-150) APHYRIC, IN PCE 14 SULFIDE IS FOUND ON SURFACE MASSIVE BASALT SILL MOD SAME UNIT AS ABOVE IN 60-1, PHYSICAL PROPERTIES- AT (48-51) V(P)=5.526KM/S (HORIZONTAL), AT (126-128) V(P)=5.346KM/S (HORIZONTAL) 61 462 61 2 0.0 567.50 569.00 569.99 TOKUYAMA, H. MASSIVE BASALT SILL PCES 1A (0-3), 1B (3-8), 1C (7-10), 2 (12-20), 3 (20-30), 4 (31-42), 5 (44-56), 6A (57-72), 6B (70-72), 7 (75-87), 8A (89-95), 8B (90-97) APHYRIC, IN PCES 2+4+7 SMALL PARTICLES MASSIVE BASALT SILL MOD SAME UNIT AS ABOVE IN 60-1 61 462 62 1 0.0 576.50 576.50 577.92 TOKUYAMA, H. MASSIVE BASALT SILL PCES 1A (2-11), 1B (5-11), 2A (13-31), 2B (19-31), 3 (33-41), 4 (43-49), 5 (52-61), 6 (65-73), 7 (75-94), 8 (95-110), 9 (112-123), 10 (125-135), 11 (137-140) APHYRIC, INTERVAL (0-116) IS FINE-GRAINED, INTERVAL (116-122) IS A TRANSITION ZONE, INTERVAL (122-150) IS SLIGHTLY COARSE-GRAINED MASSIVE BASALT SILL FRESH MOSTLY FRESH SAME UNIT AS ABOVE IN 60-1, PHYSICAL PROPERTIES- AT (85-87) V(P)=5.86KM/S (HORIZONTAL) 61 462 62 2 0.0 576.50 578.00 579.50 TOKUYAMA, H. MASSIVE BASALT SILL PCES 1A (0-20), 1B (20-38), 2 (42-46), 3 (49-59), 4A (61-65), 4B (65-66), 5 (70-77), 6 (80-88), 7A (70-106), 7B (107-119), 8 (120-123), 9 (130-138), 10A (140-142), 10B (143-145), 10C (145-150) APHYRIC, SEVERAL SLIGHT GRAIN SIZE CHANGES ARE OBSERVED MASSIVE BASALT SILL SAME UNIT AS ABOVE IN 60-1, PHYSICAL PROPERTIES- AT (109-111) V(P)=5.31KM/S (HORIZONTAL) 61 462 63 1 0.0 579.50 579.50 580.11 ROBINSON, P. T. SEDIMENTBLACK CLAYSTONE 61 462 63 1 61.0 579.50 580.11 580.85 ROBINSON, P. T. MASSIVE BASALT SILL PCES 8 (63-100), 9 (101-135) APHYRIC BASALT FROM SILL EXT ALTERATION IS 'ALMOST COMPLETELY TO BADLY ALTERED' 61 462 63 2 0.0 579.50 581.00 582.50 ROBINSON, P. T. MICRODIABASIC BASALT PCES 1 (0-21), 2 (25-35), 3 (39-47), 4 (50-60), 5 (61-81), 6 (85-87), 7 (90-112), 8 (115-130), 9 (132-150) SPARSELY PHYRIC, HOMOGENEOUS MICRODIABASIC, SPARSE PLAG AS IN BOTTOM OF SECTION 1 CHLORITE VEIN IN PCE 5 EXT PLAG comments : VERY SPARSE 61 462 63 3 0.0 579.50 582.50 583.88 ROBINSON, P. T. MICRODIABASIC BASALTSAME AS SECTION 2 PCES 1 (1-7), 2 (10-31), 3 (32-46), 4 (50-65), 5 (69-80), 6 (81-110), 7 (110-123), 8 (125-136) SPARSELY PHYRIC, PERHAPS GOES THROUGH GRAIN SIZE MAX AT END OF 2 AND DECREASES THEREAFTER HEAVILY VEINED IN PCE 5, CHLORITE VEINS IN PCES 6+ 8 EXT PLAG CHLORITE comments : IN VEINS 61 462 63 4 0.0 579.50 584.00 584.60 ROBINSON, P. T. MICRODIABASIC BASALTSAME AS SECTION 3 PCES 1 (1-20), 2 (23-30), 3 (33-47), 4 (50-57) SPARSELY PHYRIC CHLORITE VEINS IN PCE 1 AND PCE 3 PLAG CHLORITE comments : IN VEINS 61 462 64 1 0.0 585.50 585.50 585.80 ROBINSON, P. T. PLAG SPARSELY PHYRIC BASALT PCES 1 (1-4), 2 (5-30) SPARSELY PHYRIC, HOLOCRYSTALLINE, CHILLED MARGIN BOTTOM CONTACT EXT BOTTOM CONTACT AT PCE 2 PLAG 61 462 64 1 30.0 585.50 585.80 587.00 ROBINSON, P. T. SEDIMENTS 61 462 64 3 0.0 585.50 588.50 588.90 ROBINSON, P. T. SEDIMENTS 61 462 64 3 40.0 585.50 588.90 589.45 ROBINSON, P. T. PLAG SPARSELY PHYRIC BASALT PCES 1 (42-67), 2 (69-75), 3 (78-82), 4 (84-95) SPARSELY PHYRIC, HOLOCRYSTALLINE CALCITE VEINS NOTED IN PCES 1+3, CHLORITE VEINS NOTED IN PCES 3+4, PYRITE ALSO IN VEINS OF PCES 3+4 ALMOST COMPLETELY PLAG CALCITE comments : IN VEINS | CHLORITE comments : IN VEINS | PYRITE comments : IN VEINS 61 462 64 3 95.0 585.50 589.45 589.82 ROBINSON, P. T. APHYRIC BASALT PCES 5 (97-120), 6 (121-131) APHYRIC, HOLOCRYSTALLINE CHLORITE VEINS IN PCE 5, CHLORITE+RED CLAY/ BROWNISH CLAY IN VEINS ALSO IN PCE 6 ALMOST COMPLETELY 61 462 64 4 0.0 585.50 590.00 591.49 ROBINSON, P. T. APHYRIC BASALT PCES 1 (0-50), 2 (52-91), 3 (92-112), 4 (114-128), 5 (130-140), 6 (143-149) APHYRIC, HOLOCRYSTALLINE CHLORITE AND PYRITE IN VEINS, CHLORITE VEIN NOTED IN PCE 5 61 462 64 5 0.0 585.50 591.50 592.09 ROBINSON, P. T. APHYRIC BASALTSAME AS IN SECTION 4 PCES 1 (2-8), 2 (9-31), 3 (35-47), 4 (48-57) APHYRIC FRESH 61 462 65 1 0.0 594.50 594.50 594.71 TOKUYAMA, H. SEDIMENT 61 462 65 1 21.0 594.50 594.71 595.92 TOKUYAMA, H. PLAG-CPX-OL MICROPHYRIC DOLERITE PCES 1 (22-30), 2A (32-57), 2B (57-68), 2C (66-75), 2D (75-80), 2E (80-92), 2F (93-126), 2G (126-142) MICROPHYRIC, SUBOPHITIC DOLERITE, CHILLED MARGIN IS NOT CLEAR SO IT IS IMPOSSIBLE TO IDENTIFY GLASSY ZONE BY THE UNAIDED EYE, GRAIN SIZED IS SLIGHTLY FINE MASSIVE BASALT SILL, CHLORITE VEINS IN PCES 2F+2G MOD CONTACT BETWEEN SEDIMENT AND BASALT AT 21CM | COLOR IS DARK GREENISH GRAY 5G 4/1 PLAG | CPX | OL PLAG | CPX | GLASS CHLORITE comments : IN VEINS 61 462 65 2 0.0 594.50 596.00 597.35 TOKUYAMA, H. PLAG-CPX-OL MICROPHYRIC DOLERITESAME AS ABOVE IN 65-1 PCE 1A (0-31), 1B (31-42), 1C (43-51), 1D (51-60), 1E (60-70), 1F (69-79), 1G (80-87), 2A (90-111), 2B (111-116), 3 (118-122), 4 (125-135) MICROPHYRIC, SUBOPHITIC DOLERITE MASSIVE BASALT SILL MOD SAME UNIT AS ABOVE IN 65-1 PLAG | CPX | OL 61 462 65 3 0.0 594.50 597.50 598.17 TOKUYAMA, H. PLAG-CPX-OL MICROPHYRIC DOLERITESAME AS ABOVE IN 65-1 PCE 1A (0-15), 1B (15-19), 1C (19-23), 1D (24-31), 2A (24-51), 2B (51-58), 2C (58-65) MICROPHYRIC, SUBOPHITIC DOLERITE MASSIVE BASALT SILL MOD SAME UNIT AS ABOVE IN 65-1 PLAG | CPX | OL 61 462 66 1 0.0 599.00 599.00 599.18 TOKUYAMA, H. SEDIMENTVOLCANICLASTIC CLAYSTONE 61 462 66 1 18.0 599.00 599.18 600.50 TOKUYAMA, H. PLAG-CPX-OL MICROPHYRIC DOLERITE PCE 1A (18-33), 1B (34-48), 1C (47-70), 1D (70-82), 2 (85-114), 3 (120-126), 4 (132-150) MICROPHYRIC, SUBOPHITIC DOLERITE, IN PCE 1A CONTACT BETWEEN SEDIMENT AND BASALT IS WITHOUT GLASSY MARGIN, GRAIN SIZE IS SLIGHTLY FINE MASSIVE BASALT SILL MOD CONTACT BETWEEN SEDIMENT AND BASALT IN PCE 1A, COLOR DARK GREENISH GRAY 5G 4/1 PLAG | CPX | OL PLAG | CPX comments : ALTERED GLASS IN GNDMASS 61 462 66 2 0.0 599.00 600.50 601.94 TOKUYAMA, H. PLAG-CPX-OL MICROPHYRIC DOLERITESAME AS ABOVE IN 66-1 PCE 1 (2-32), 2 (36-40), 3A (41-52), 3B (52-57) 3B (65-70), 3C (70-73), 4 (75-100), 5 (102-132), 6 (138-141) MICROPHYRIC MASSIVE BASALT SILL MOD PLAG | CPX | OL 61 462 66 2 0.0 599.00 600.50 601.94 TOKUYAMA, H. PLAG GLOMEROPHYRIC DOLERITE PCE 3B (57-65) GLOMEROPHYRIC TEXTURE OF PLAG, SUBOPHITIC DOLERITE MOD PLAG 61 462 66 3 0.0 599.00 602.00 603.44 TOKUYAMA, H. PLAG-CPX-OL MICROPHYRIC BASALTSAME AS ABOVE IN 66-1 PCE 1 (3-41), 2A (43-51), 2B (50-72), 2C (73-75), 2D (75-115), 2E (113-120), 2F (120-134), 2G (134-142) MICROPHYRIC, SUBOPHITIC MASSIVE BASALT SILL MOD 61 462 66 4 0.0 599.00 603.50 604.93 TOKUYAMA, H. PLAG-CPX-OL MICROPHYRIC DOLERITESAME AS ABOVE IN 66-1 PCE 1A (2-15), 1B (15-32), 1C (34-47), 1D (47-70), 1E (70-90), 1F (90-116), 1G (116-135), 1H (135-140) MICROPHYRIC, SUBOPHITIC DOLERITE, AGGREGATES OF PYRITE AND GREEN CLAY(?) PATCH ARE OBSERVED MASSIVE BASALT SILL MOD TO EXT PLAG | CPX | OL 61 462 66 5 0.0 599.00 605.00 606.40 TOKUYAMA, H. PLAG-CPX-OL MICROPHYRIC DOLERITESAME AS ABOVE IN 65-1 PCES 1A (0-7), 1B (6-18), 1C (17-36), 1D (37-49), 1E (49-60), 1F (60-86), 1G (86-104), 1H (105-140) MICROPHYRIC, AGGREGATES OF PYRITE AND GREEN CLAY PATCHES ARE OBSERVED, SUBOPHITIC DOLERITE MASSIVE BASALT SILL MOD TO BADLY PLAG | CPX | OL 61 462 66 6 0.0 599.00 606.50 607.35 TOKUYAMA, H. PLAG-CPX-OL MICROPHYRIC DOLERITESAME AS ABOVE IN 66-1 EXCEPT 30-38CM PCES 1A (1-15), 1B (15-35), 1C (35-85) MICROPHYRIC, AT 30-38CM GLOMEROPHYRIC TEXTURE OF PLAG(AS IN 66-2),SUBOPHITIC DOLERITE MASSIVE BASALT SILL MOD TO EXT PLAG | CPX | OL 61 462 67 1 0.0 606.00 606.00 607.22 ROBINSON, P. T. APHYRIC DOLERITE PCES 1 (1-4), 2A (6-23), 2B (22-54), 2C (54-72), 2D (71-120) APHYRIC, HOLOCRYSTALLINE, INTERVAL (44-74) 'SPOTTED' GLOMEROPHYRIC TEXTURE, INTERVAL (50-54) 'SPOTTED' TEXTURE, INTERVAL (68-72) 'SPOTTED' TEXTURE WITH NON SPOTTED MOD CONTACT BETWEEN SPOTTED AND NON SPOTTED TEXTURES IN INTERVAL (68-72) 61 462 67 2 0.0 606.00 607.50 608.85 ROBINSON, P. T. APHYRIC DOLERITESAME AS SECTION 1 PCES 1 (0-41), 2 (45-135) APHYRIC MOD 90-94CM DOMINANT LITHOLOGY 61 462 68 1 0.0 609.00 609.00 610.40 SHCHEKA, S. A. APHYRIC DOLERITEIDENTICAL TO SECTION 67-2 PCE 1 (2-4), 2 (8-11), 3A (16-30), 3B (30-61), 3C (60-79), 3D (76-105), 3E (102-116), 3F (116-140) APHYRIC, FINE-GRAINED DOLERITE, SOME INTERVALS ENRICHED IN PYX-PLAG GLOMEROPHYRIC AGGREGATES CHLORITE+PYRITE VEINS, WITHIN CHLORITE VEINS PEELS OF PYRITE ARE OFTEN PRESENT EXTcomments: MORE ALTERED NEAR CHLORITE VEINS 61 462 68 2 0.0 609.00 610.50 612.00 SHCHEKA, S. A. APHYRIC DOLERITECONTINUATION OF PREVIOUS SECTION PCE 1A (0-55), 1B (55-80), 1C (80-110), 1D (110-150) APHYRIC TO CPX-PLAG MICROPHYRIC DOLERITES, CPX (OL?) GLOMEROPHYRIC AGGREGATES, MORE COARSE (2-3MM) THAN CPX-PLAG ONES PYRITE-CHLORITE VEINS EXT 61 462 68 3 0.0 609.00 612.00 613.40 SHCHEKA, S. A. APHYRIC TO CPX-PLAG MICROPHYRIC DOLERITESCONTINUATION OF PREVIOUS SECTION PCE 1A (0-28), 1B (25-60), 1C (57-95), 1D (90-106), 1E (104-110), 1F (110-140) APHYRIC, INTERVAL (41-55) AND ELSEWHERE MORE COARSE- GRAINED AND ENRICHED IN DARK MINERAL-MICRODOLERITE INTERVALS 61 462 68 4 0.0 609.00 613.50 614.95 SHCHEKA, S. A. PLAG-CPX-OL MICROPHYRIC DOLERITECONTINUED FROM PREVIOUS SECTION (68-3) PCE 1A (0-50), 2 (51-71), 3 (75-90), 4 (92-110), 5 (111-145) MICROPHYRIC EXT PLAG | CPX | OL 61 462 69 1 0.0 614.00 614.00 614.81 SHCHEKA, S. A. DOLERITES AND MICRODOLERITES PCE 1A (0-20), 1B (20-30), 1C (30-39), 1D (39-48), 2 (50-80) APHYRIC, MEDIUM-GRAINED TO FINE-GRAINED DOLERITES AND MICRODOLERITES TALC-TI MAGNETITE VEINS CONSIST OF TALC AND SMALL AMOUNTS OF CHALCOPYRITE (BOTH MORE LATE) AND OCTAHEDRONS OF MAGNETITE (0.5-3MM), THESE VEINS FILL TWO SYSTEMS OF CONTRACTION FISSURES-SUBVERTICAL AND SUBHORIZONTAL, CHLORITE-CLAY VEINS ARE MORE LATE AND CUT THE TI-MAGNETITE EXTcomments: PLAG AND MAGN ARE FRESH, CPX SLIGHTLY ALTERED PLAG 60-70 3-5 comments : 3-5MM IN LENGTH, 0.5-2MM IN WIDTH, OFTEN OCTAHEDRONS, FRESH | CPX 20-30 1-3 comments : EQUIDIMENSIONAL, SLIGHTLY ALTERED TO CHLORITE | MAGN 10-20 0.5-2 comments : OFTEN OCTAHEDRONS, FRESH | PYRRHOT RARE 0.5-1 comments : RARE DISSEMINATED GRAINS OF PYRRHOT | OL 1-3 comments : MORE COARSE TALC-PSEUDOMORPHS ARE PROBABLY OL CHLORITE | CLAY | TALC | TITAN.MT 61 462 69 2 0.0 614.00 615.50 616.41 SHCHEKA, S. A. DOLERITEALL FEATURES OF ROCK SAME AS IN PREVIOUS SECTION PCE 1A (0-45), 1B (45-66), 1C (65-85), 1D (85-91) APHYRIC EXT