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 73 519 A 7 1 0.0 153.00 153.00 154.35 CARMAN, M. APHYRIC BASALTPILLOW BASALT PCES 1 (2-5), 2 (5-9), 3 (15-19), 4 (22-28), 5 (30-33), 6 (36-45), 7 (48-55), 8 (58-64), 9 (68-75), 10 (77-85), 11 (88-94), 12 (98-103), 13 (105-116), 14 (122-135) APHYRIC,GRADATIONAL GRAINSIZE FROM VERY FINE (<0.5MM) AT TOP TO COARSE-GRAINED(0.1-0.5MM) AT BOTTOM(PCES 11-14),PCES 1-4+6+8 HAVE BLACK GLASSY RIND(FEW MM THICK) RUBBLY PERHAPS SOMEWHAT PILLOWED UPPER SURFACE,PCES 1-11 THOROUGHLY JOINTED ON SCALE OF 1-5CM WITH JOINTS FILLED WITH CALCITE,PCE 9 HAS 2-3MM THICK FE- STAINED CALCITE VEIN MOD TO EXT PCES 1-2 PARTLY ALT.GLAS TO ORANGE-BROWN PALAG, PCES 1-11 ALTERATION CONCENTRATED IN ZONES BORDERING JOINTS FLOW UNIT 1,BASALT COLOR RANGES FROM BLACK TO DARK BROWN PART OF PCE 4 & 2 FRAGMENTS OF PCE 6 ARE TAN XTLLINE(BAKED) LIMESTONE WITH SUGGESTIONS OF ROUNDED MICROFOSSIL RELICS comments : SPARSELY VESICULAR AT TOP OF SECTION(PCES 1-8), PCE 7 HAS VESICLE-LIKE PATCH WITH ROUNDED BASALT PARTICLES SET IN CALCITE MATRIX PLAG <1 0.2-0.5 comments : MICROPHENOS FORMING GLOMEROCRYSTIC CLUSTERS PALAG GLASS comments : ORANGE-BROWN | CALCITE comments : FILLS JOINTS,FE-STAINED VEIN IN PCE 9 73 519 A 7 2 0.0 153.00 154.50 155.10 CARMAN, M. APHYRIC BASALTMASSIVE BASALT PCES 1A (2-9), 1B (9-13), 1C (12-18), 2 (22-28), 3 (31-45), 4 (47-58) APHYRIC,SUBOPHITIC TO OPHITIC INTERSERTAL,GRAINSIZE GRADATIONAL FROM MEDIUM-TO-VERY COARSE-GRAINED(2MM) & COARSENING DOWNWARD,CENTER OF FLOW(?) MASSIVE BASALT MOD TO EXT RK GREENISH GRAY,CONTINUATION OF FLOW UNIT 1,PCE 4 RKS END OF CORE 73 519 A 8 1 0.0 160.50 160.50 161.35 CARMAN, M. APHYRIC BASALTMASSIVE BASALT PCES 1A (0-13), 1B (13-45), 1C (45-62), 1D (62-71), 1E (71-78), 2A (83-84), 2B (80-83), 3A (86-96), 3B (96-105), 3C (105-108), 3D (110-118), 3E (119-123), 4A (126-132), 4B (130-134), 4C (135-136) APHYRIC,SIMILAR TO CORES 7-1 & 7-2,COARSE-GRAINED (0.1-0.5MM),PCE 2B IS VERY FINE-GRAINED BASALT WITH PINK CLAY.MINS OR SILICEOUS COATING ON ONE END,PCES 4A-4C MEDIUM-GRAINED,PCE 3A VERY FINE-GRAINED MASSIVE BASALT,PCES 1A-2A WITH SPARSE THIN(0.5MM) CALCITE-FILLED VEINS,FRACTURED ZONE,NON-BRECCIATED MATERIAL DOWN CORE(PCES 3B-4C) LACED WITH 1-3MM THICK CALCITE VEINS MOD TO EXT LOCALLY ALTERED ESPECIALLY BORDERING WIDELY SPACED SUBHORIZONTAL JOINTS,PCE 2B BADLY ALTERED WITH PINK CLAY.MINS OR SILICEOUS COATING ON ONE END DARK GREENISH GRAY & LOCALLY ALTERED TO LIGHT BROWN, PCE 3A IS MEDIUM BROWN & BEGINS FLOW UNIT 2,PCE 3A BRECCIATED,PCES 4A-4C BROWNISH-GRAY CALCITE comments : VEINS,PCE 3A IS BRECCIATED WITH CALCITE BETWEEN FRAGMENTS | SMEC comments : PCE 3B YELLOW-GREEN SMEC COATS VEINS | CLAY comments : PINK CLAY.MINS OR SILICEOUS COATING ON ONE END OF PCE 2A 73 519 A 8 2 0.0 160.50 162.00 163.40 CARMAN, M. APHYRIC BASALTMASSIVE BASALT PCES 1A (2-14), 1B (14-17), 1C (20-28), 1D (30-34), 1E (34-44), 1F (45-57), 1G (57-65), 1H (64-68), 1J (68-79), 1K (74-58), 1L (85-101), 1M (102-108), 1N (105-125), 1O (115-125), 1P (126-130), 2 (135-140) APHYRIC,SIMILAR TO FLOW UNIT 2 OF CORE 8-1,MEDIUM- TO-COARSE-GRAINED MASSIVE BASALT,SMEC COATED CALCITE-FILLED VEINS COMMON ESPECIALLY IN UPPER HALF OF SECTION,PROMINENT CONJUGATE FRACTURE SET ORIENTED AT ABOUT 30 DEGREES TO CORE AXIS & SPACED 5-15CM APART THROUGHOUT MOD TO EXT PCES 1C-1H HAS DARK ORANGE ALTERATION PATCHES (0.2-2MM IN SIZE) CONTINUATION OF FLOW UNIT 2,BROWNISH-GRAY BASALT 1 ZEOL comments : PCES 1C-1H HAVE SMALL VESICLES FILLED WITH CLEAR TO WHITE ZEOL(?) SMEC | CALCITE | ZEOL comments : ID ZEOL UNCERTAIN,CLEAR TO WHITE 73 519 A 8 3 0.0 160.50 163.50 164.90 CARMAN, M. APHYRIC BASALTMASSIVE BASALT PCES 1A (2-24), 1B (24-29), 1C (29-39), 1D (39-46), 1E (47-54), 1F (54-60), 1G (59-62), 2A (64-70), 2B (70-78), 2C (78-84), 2D (84-100), 3 (103-107), 4A (111-115), 4B (115-134), 5 (137-138) APHYRIC,SIMILAR TO CORE 8-2,UNIFORMLY COARSE GRAINED MASSIVE BASALT,LESS DEVELOPMENT OF CONJUGATED FRACTURE SET(AS IN CORE 8-2),PCE 4 HAS CONJUGATE FRACTURES AT ABOUT 60 DEGREES TO CORE AXIS MOD TO EXT ESH CENTER OF PCE 2D DARK BROWNISH-GRAY BASALT,CENTER OF PCE 2D IS GREENISH-GRAY,CONTINUATION OF FLOW UNIT 2 1-10 CALCITE comments : PCES 1D-1F+2B HAVE SPARSE CALCITE-FILLED VESICLES CALCITE 73 519 A 8 4 0.0 160.50 165.00 165.90 CARMAN, M. APHYRIC BASALT PCES 1A (4-14), 1B (12-21), 1C (22-25), 1D (25-35), 1E (35-44), 2A (45-55), 2B (56-63), 3A (72-74), 3B (75-85), 4 (86-90) APHYRIC,PCES 1A-2B SIMILAR TO PCES OF FLOW UNIT 2, PCES 1A-2B COARSE-GRAINED,PCES 3A-4 VERY FINE- GRAINED VEINING IN PCES 1A-2B SIMILAR TO FLOW UNIT 2 OF CORE 8-1,PCE 3A HAS FE-STAINED OPAL-FILLED VEINLET,PCES 1A-2B HAVE CONJUGATE FRACTURE SET AT 30 DEGREES TO CORE AXIS MOD TO EXT PCES 1D-2B+3B,PCE 4 COMPLETELY ALTERED PCE 2B ENDS FLOW UNIT 2,PCE 3A BEGINS FLOW UNIT 2A(?),PCE 4 ENDS FLOW UNIT 2A,PCES 1A-2B DARK GREENISH-GRAY,PCES 3A+4 LIGHT BROWN,PCE 3B IS BLACK & BLEACHED TO LIGHT BROWN IN UPPER END,FLOW UNIT 2A COULD ACTUALLY BE A PART OF FLOW UNIT 2 comments : PCE 3B VESICULAR 73 519 A 8 4 90.0 160.50 165.90 166.00 CARMAN, M. APHYRIC BASALTBASALTIC BRECCIA PCE 5 (92-100) APHYRIC,VERY FINE-GRAINED,ANGULAR FRAGMENTS SET IN CALCITE MATRIX EXT COMPLETELY ALTERED DARK TAN BASALTIC BRECCIA,PCE 5 BEGINS FLOW UNIT 3 CALCITE 73 519 A 8 4 100.0 160.50 166.00 166.36 CARMAN, M. APHYRIC BASALT PCES 6 (101-105), 7A (108-124), 7B (124-136) APHYRIC,PCES 6-7A FINE-GRAINED,PCE 7B VERY FINE- GRAINED PCE 7B HEMA-FILLED VEIN 2-3MM WIDE EXT E 7B ENDS FLOW UNIT 3 0.1-0.2 ZEOL comments : SMALL VESICLES FILLED WITH WHITE ZEOL(?) ZEOL comments : WHITE,ID ZEOL UNCERTAIN | HEMA comments : RED 73 519 A 8 4 136.0 160.50 166.36 166.45 CARMAN, M. BRECCIA PCE 8 (139-142) GLASS BRECCIA COMPOSED OF 0.5MM-2.5CM TACHYLITE FRAGMENTS FRAGMENTS RIMMED WITH CONCENTRIC BANDS OF ORANGE- BROWN PALAG & FE.OX(?) EXT ANGE-BROWN GLASS BRECCIA,PCE 8 BEGINS FLOW UNIT 4 PALAG comments : ORANGE-BROWN | FE.OX comments : ID FE.OX UNCERTAIN | PHIL comments : CLEAR GLASSY BLADED XTLS,ID PHIL UNCERTAIN 73 519 A 9 1 0.0 171.50 171.50 172.75 CARMAN, M. APHYRIC BASALT PCES 1A (2-15), 1B (16-26), 1C (25-35), 1D (35-49), 1E (49-65), 1F (66-78), 1G (76-84), 1H (84-87), 2 (90-103), 3 (106-124) APHYRIC,COARSENS GRADUALLY FROM VERY FINE-GRAINED (<0.05MM) TO COARSE-GRAINED(0.1-0.5MM),PCES 1C-1E HAVE VERY FINE-GRAINED BASALT ENCLOSED IN COARSER FINE-GRAINED PHASE WITH THE FINER PHASE SHOWING VARIOLITIC TEXTURE WITH VARIOLES INCREASING & MERGING AWAY FROM CONTACT WITH LOWER PHASE(FINER PHASE INTRUDES COARSER & CHILLED AGAINST IT) CALCITE & SMEC-FILLED VEINS OCCUR THROUGHOUT WITH MOST CONCENTRATED IN PCES 1B+1E-1F+2-3,PCES 1E+1F HAVE CRUDE SMEC-COATED FRACTURES AT 30 DEGREES TO CORE AXIS,PCE 3 HAS LONGITUDINAL SMEC-LINED FRACTURE THE LENGTH OF THE PCE,LOWER HALF OF PCE 3 HAS DISCONTINUOUS HORIZONTAL ECHELON CALCITE-FILLED FRACTURES(0.2-0.5MM THICK) SPACED 1-2CM APART (CONTRACTION GASHES?) EXT RELATIVELY FRESH BLACK PATCHES OCCUR IN ALTERED MATERIAL CONTINUATION OF FLOW UNIT 4,BLACK PATCHES FOUND IN MORE COMMONLY DARK BROWNISH-GRAY TO DARK BROWN ALTERED MATERIALS 1-10 5 CALCITE,ZEOL comments : BOTTOM OF PCE 1E & TOP OF PCE 1F,ID ZEOL UNCERTAIN CALCITE | ZEOL comments : ID ZEOL UNCERTAIN | SMEC 73 519 A 9 2 0.0 171.50 173.00 174.50 CARMAN, M. APHYRIC BASALT PCES 1A (2-10), 1B (10-22), 1C (21-29), 1D (30-35), 1E (35-46), 1F (45-57), 1G (58-90), 1I (89-115), 1J (122-137), 1K (131-148), 1L (148-150) APHYRIC,EVENLY COARSE-GRAINED SPARSE SUBHORIZONTAL DISCONTINUOUS CALCITE-FILLED VEINS & JOINTS SPACED 5-30CM APART,PCES 1B-1H CONTAIN ONE CONTINUOUS LONGITUDINAL SMEC-COATED CALCITE-FILLED FRACTURE MOD TO EXT PCES 1A-1G+1L | MOD PCES 1H-1K CONTINUATION OF FLOW UNIT 4 comments : SOME PCES(AS IN PCE 1C) ARE OPEN & VUGGY CALCITE | SMEC 73 519 A 9 3 0.0 171.50 174.50 176.00 CARMAN, M. APHYRIC BASALT PCES 1A (0-20), 1B (20-30), 1C (28-37), 2A (40-50), 2B (51-62), 2C (61-85), 2D (85-95), 2E (93-100), 3 (127-133), 4 (135-149) APHYRIC,COARSE-GRAINED SOME SMEC-COATED CALCITE-FILLED VEINLETS MOD PCES 1A+2A-2C+2G-2H+4 & TOP OF PCE 1B | MOD TO EXT PCES 1C+3 & BOTTOM OF PCE 1B | EXT PCES 2D-2G,ALTERATION CONCENTRATED IN ZONES WITH STRONGEST VEINING CONTINUATION OF FLOW UNIT 4 1-4 2-3 CALCITE comments : PCES 2G+2H CALCITE | SMEC 73 519 A 9 4 0.0 171.50 176.00 177.40 CARMAN, M. APHYRIC BASALT PCES 1 (1-5), 2 (8-17), 3A (15-20), 3B (20-32), 3C (32-60), 3D (55-65), 3E (65-71), 3F (70-75), 3G (75-90), 3H (90-96), 3I (95-100), 3J (100-109), 3K (109-111), 4 (115-123), 5A (126-130), 5B (130-138) APHYRIC,EVENLY COARSE-GRAINED,PCES 3K+4 FINE-GRAINED GRADING DOWNWARD TO VERY FINE-GRAINED PCES 5A-5B MUCH FRACTURED FRESH MIDDLE OF PCES 3C+3G+3H+3I | MOD PCES 1-2+3E-3F & TOPS OF PCES 3C+3H+3I & BOTTOM OF PCE 3D CONTINUATION OF FLOW UNIT 4,PCE 5A BEGINS FLOW UNIT 5,PCES 3C+3G-3I HAVE SECTIONS OF VERY DARK GREENISH- GRAY BASALT WHILE OTHER PCES HAVE VARIOUS SHADES OF BROWNISH-GRAY TO DARK BROWN DUE TO ALTERATION,PCES 5A-5B ARE FLOW TOP BRECCIA OF VERY FINE-GRAINED (ALTERED) LIGHT BROWN APHYRIC BASALT FRAGMENTS IN A CALCITE MATRIX,PCES 5A-5B GRADE DOWNWARD INTO MUCH FRACTURED BUT NON-BRECCIATED BASALT CALCITE comments : PCES 5A+5B 73 519 A 9 5 0.0 171.50 177.50 178.30 CARMAN, M. APHYRIC BASALT PCES 1A (1-10), 1B (10-12), 2 (14-18), 3 (21-30), 4 (32-43), 5 (45-50), 6A (51-60), 6B (60-63), 7 (66-69), 8 (71-80) APHYRIC,PCE 8 COARSER-GRAINED THAN REST OF SECTION WHICH IS VERY FINE-GRAINED PCES 2+5+7 RUBBLE OF ANGULAR CLASTS COATED WITH SMEC & POWDERY CALCITE WHICH IS INTERPRETED AS A FRACTURE ZONE MOD PCE 8 | EXT PCES 1A-7 PCE 8 BLACK,DARK BROWN BASALT,CONTINUATION OF FLOW UNIT 5 PLAG comments : SPARSE GLOMEROCRYSTS(MICROPHENOS?) SMEC | CALCITE comments : SMEC & CALCITE(POWDERY) COAT PCES 5A+5B