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 91 595 B 1 CC 0.0 65.90 66.07 66.08 NATLAND, J. BASALT (POSSIBLY ANDESITE) PCE 1 (5-10) APPEARS SPHERULITIC MOD GRAY ALTERED RINDS | SLIGHT YELLOWISH GRAY INNER CORES ARE LESS ALTERED CORED INTERVAL WAS 5695.9-5703.3M BUT ONLY THIS PIEC FROM BASEMENT WAS ENCOUNTERED IN CORE CATCHER, COLOR IS GRAY TO PALE YELLOWISH GRAY, SKETCH IN INITIAL CORE DESCRIPTIONS, DIMENSIONS 3X4CM FE.OXIDE | MN.OXIDE comments : FE.OXIDE & MN.OXIDE FORM THIN CRUSTS ON EXTERIOR SURFACES 91 595 B 2 1 0.0 73.00 73.00 73.07 ROSENCRANTZ, E. BASALT (POSSIBLY ANDESITE)SAME LITHOLOGY AS SITE 595A CORE 10-1 PCE 1 (3-7) FINE-GRAINED SLIGHT POSSIBLE SLIGHT ALTERATION RIND TO ANOTHER PCE LIGHT BROWNISH GRAY(10YR 6/2), SIMILAR TO SITE 595A CORE 10-1--PROBABLY FELL DOWN HOLE 91 595 B 2 1 8.0 73.00 73.08 74.50 ROSENCRANTZ, E. APHYRIC BASALTSAME LITHOLOGY AS SITE 595A CORES 11&12 PCE 2A (8-17), 2B (15-19), 3 (20-35), 4 (37-43), 5A (43-52), 5B (50-55), 5C (55-65), 6 (67-71), 7 (73-75), 8 (77-82), 9 (83-90), 10 (91-94), 11A (95-103), 11B (100-109), 11C (108-117), 12 (119-122), 13 (123-125), 14A (126-133), 14B (133-150) APHYRIC, FINE-GRAINED EXTENSIVELY FRACTURED, FRACTURES FILLED WITH CALCITE & CELADONITE & FE.HYDROXIDE, FRACTURES/VEINS ARE POLYGONAL ANASTOMOSING & VARY FROM 0.5-5MM THICK, PCE 9 SHOWS EXTENSIVE FRACTURING AND CONTAINS AN APPARENT VEIN MINERALOGY SLIGHT SLIGHT COLOR VARIATION PARALLEL TO FRACTURE/VEINS, BANDING WIDTH IS 5-10MM LEAVING "UNALTERED" LIGHTER GRAY CORES TO FRACTURE-BOUND BLOCKS, ROCK PARALLEL TO VEINING IS DARKER GRAY & COMMONLY SHOWS BROWNISH OR YELLOWISH STAINING NO COOLING UNIT BOUNDARIES APPARENT, COLOR IS DARK GRAY(5Y 4/1) WITH A SLIGHT GREENISH TO OLIVE TINT ON SOME SURFACES 0 CALCITE | CELAD | FE.HYDRX comments : ALTERATION MINERALS FILL FRACTURES 91 595 B 2 2 0.0 73.00 74.50 75.03 ROSENCRANTZ, E. APHYRIC BASALTSAME LITHOLOGY AS SEC 1 PCE 1 (3-7), 2 (9-19), 3 (20-26), 4A (29-33), 4B (33-41), 5 (43-48), 6 (49-52) APHYRIC SLIGHT SEE SEC 1 DESCRIPTION, POSSIBLE COOLING UNIT BOUNDARY AT 43-50CM 91 595 B 2 2 53.0 73.00 75.03 75.12 ROSENCRANTZ, E. BASALTCALCITE PCE 7 (55-61) PIECE OF VEIN FILL, CONTAINS A LAYER OF CALCITE AND A LAYER OF CALCITE & BASALT & PALE GREEN MINERAL AND A LAYER OF DARK GREEN GLASS SHARDS SLIGHT CONTAINS FRAGMENTS OF ALTERED GLASS DIMENSIONS 3X4CM CALCITE 91 595 B 3 1 0.0 81.50 81.50 83.00 ROSENCRANTZ, E. APHYRIC BASALT PCE 1 (3-14), 2A (15-21), 2B (20-30), 3A (31-48), 3B (47-68), 3C (67-72), 4A (80-89), 4B (90-101), 4C (100-104), 5A (105-113), 5B (112-130), 6 (131-148) APHYRIC, FINE-GRAINED, BLACK BLEBS IN PCE 3A, GRAIN SIZE BECOMES FINER TOWARD CONTACTS FILLED FRACTURES POLYGONAL ANASTOMOSING WITH WIDTH 0.5-5MM (LARGE FRACTURE IN PCES 3A&B) SLIGHT ALTERATION DEFINED BY DARK BLUE-GRAY(5B 4/1) HALOS PARALLEL TO CRACKS & VEINS DARK GRAY(5Y 4/1), COOLING UNIT BOUNDARIES DEFINED BY SUBTLE BUT DISTINCT DIFFERENCES IN GRAIN SIZE (AT 15&80&130CM), INTERVAL 80-130CM MAY BE A SINGLE COOLING UNIT CALCITE | CELAD | FE.HYDRX | FE.OXIDE comments : ALTERATION MINERALS IN FRACTURES | MN.OXIDE comments : DARK PURPLISH MN STAIN IN PCE 4B 91 595 B 3 2 0.0 81.50 83.00 84.25 ROSENCRANTZ, E. APHYRIC BASALTSAME LITHOLOGY AS SEC 1 PCE 1A (2-20), 1B (19-33), 1C (32-40), 2 (42-47), 3A (49-62), 3B (62-71), 3C (71-90), 4 (92-97), 5A (99-111), 5B (110-117), 6 (119-125) APHYRIC, FINE-GRAINED SEE SEC 1 DESCRIPTION, COOLING UNIT BOUNDARIES AT 42 & 62CM, COLOR IS DARK GRAY(5Y 4/1) 91 595 B 4 1 0.0 87.40 87.40 88.75 ROSENCRANTZ, E. APHYRIC BASALTCORE 4 HAS SAME LITHOLOGY AS CORE 3 PCE 1A (2-16), 1B (15-40), 1C (37-52), 2 (53-57), 3 (58-64), 4 (65-74), 5 (75-82), 6 (84-89), 7 (91-97), 8 (98-107), 9 (108-115), 10 (116-129), 11 (130-135) APHYRIC, FINE-GRAINED, BECOMES APHANITIC AND SHADES TO BLACK AT COOLING UNIT BOUNDARIES EXTENSIVELY FRACTURED, FRACTURES FILLED WITH CALCITE & CELADONITE & FE.OXIDES, FILLED VEINING POLYGONAL ANASTOMOSING AND VARYING IN THICKNESS FROM 0.1-5MM SLIGHT ALTERATION DEFINED BY DARK BLUE-GRAY ALTERATION HALOS PARALLEL TO CRACKS & VEINS DARK GRAY(5Y 4/1), COOLING UNIT BOUNDARIES DEFINED BY GRAIN SIZE & COLOR (AT 100&122CM) CALCITE | CELAD | FE.OXIDE comments : FRACTURES FILLED WITH CALCITE & CELADONITE & FE.OXIDES | MN.OXIDE comments : SOME SLIGHT DARK PURPLISH COLOR TO VEINS LOCALLY SUGGEST THE PRESENCE OF MANGANESE 91 595 B 4 2 0.0 87.40 88.90 90.35 ROSENCRANTZ, E. APHYRIC BASALTSAME LITHOLOGY AS SEC 1 PCE 1A (1-16), 1B (15-32), 2A (33-46), 2B (45-62), 3 (63-73), 4A (75-94), 4B (94-97), 4C (97-113), 4D (114-127), 5 (130-144) 5MM THICK BANDED MN VEIN FILLED WITH FE.HYDROXIDES & CALCITE INSIDE A DARK GREEN BAND INSIDE A PURPLISH MN? BAND INSIDE A PALE GRAY BAND FRESH TO MOD COOLING UNIT BOUNDARY AT 128CM, COLOR IS DARK GRAY, SKETCH OF PCE 4A MN BANDED VEIN IN INITIAL CORE DESCRIPTIONS, SEE SEC 1 DESCRIPTION CALCITE | CELAD | FE.HYDRX | MN.OXIDE comments : DEEPER IN THE HOLE--LESS CALCITE TO FRACTURE FILL & MORE FE.HYDROXIDES & CELADONITE & INCREASING OCCURRENCES OF MN STAINING 91 595 B 4 3 0.0 87.40 90.40 91.90 ROSENCRANTZ, E. APHYRIC BASALTSAME LITHOLOGY AS SEC 1 PCE 1 (1-10), 2A (11-23), 2B (24-28), 3A (30-42), 3B (42-59), 3C (59-87), 3D (86-115), 4A (115-122), 4B (122-150) DARK GRAY, SEE SEC 1 DESCRIPTION MN.OXIDE comments : MN STAINING PCES 3A&C 91 595 B 5 1 0.0 96.50 96.50 98.00 ROSENCRANTZ, E. APHYRIC BASALTCORE 5 HAS SAME LITHOLOGY AS CORES 3&4 PCE 1A (1-15), 1B (13-42), 2 (44-47), 3 (49-55), 4 (56-60), 5 (62-78), 6 (82-100), 7 (102-105), 8 (107-113), 9 (115-121), 10 (123-130), 11 (132-139), 12 (141-150) APHYRIC, FINE-GRAINED, BECOMES APHANITIC AND SHADES TO BLACK AT COOLING UNIT BOUNDARIES FILLED VEINING IS POLYGONAL ANASTOMOSING AND VARIES IN THICKNESS FROM 0.1-5MM, FRACTURES FILLED WITH CALCITE & CELADONITE & FE.HYDROXIDES SLIGHT ALTERATION DEFINED BY DARKER HALOS AND COLOR BANDING PARALLEL TO CRACKS & VEINS COOLING UNIT BOUNDARIES AT 50&82CM DEFINED BY GRAIN SIZE AND COLOR, DARK GRAY(5Y 4/1) CALCITE | CELAD | FE.HYDRX comments : ALTERATION MINERALS FILL FRACTURES 91 595 B 5 2 0.0 96.50 98.00 99.50 ROSENCRANTZ, E. APHYRIC BASALTSAME LITHOLOGY AS SEC 1 PCE 1A (2-15), 1B (9-20), 2 (22-30), 3A (31-41), 3B (39-50), 4 (50-55), 5 (56-60), 6A (62-65), 6B (66-77), 7A (77-92), 7B (91-112), 8 (113-117), 9 (119-136), 10 (137-150) APHYRIC, FINE-GRAINED FRESH TO MOD COOLING UNIT BOUNDARIES AT 30&78&111CM, DARK GRAY (5Y 4/1), SEE SEC 1 DESCRIPTION MN.OXIDE comments : MANGANESE STAINING AROUND VEINS IN PCES 9&10 91 595 B 6 1 0.0 105.60 105.60 107.10 ROSENCRANTZ, E. APHYRIC BASALTCORE 6 HAS SAME LITHOLOGY AS CORES 3-5 PCE 1A (2-11), 1B (9-20), 2 (21-25), 3 (26-30), 4 (34-47), 5 (50-60), 6 (62-77), 7 (79-82), 8 (83-85), 9 (86-93), 10 (94-98), 11 (100-110), 12 (112-122), 13 (122-134), 14 (134-144), 15 (145-150) APHYRIC, FINE-GRAINED, BECOMES APHANITIC AND SHADES TO BLACK AT BOUNDARIES FRACTURES FILLED WITH CALCITE & CELADONITE & FE. HYDROXIDE, FRACTURES POLYGONAL ANASTOMOSING AND VARYING IN THICKNESS FROM 0.1-5MM SLIGHT ALTERATION DEFINED BY DARKER HALOS OR BANDING PARALLEL TO VEINS, SLIGHT TRACE OF LOCAL PURPLE STAINING, ALTERED GLASS AT BOUNDARIES COOLING UNIT BOUNDARIES AT 2&35&135CM DEFINED BY GRAIN SIZE AND COLOR, DARK GRAY(5Y 4/1), SKETCH OF PIECE 4 BANDING IN INITIAL CORE DESCRIPTIONS CALCITE | CELAD | FE.HYDRX comments : ALTERATION MINERALS FILL FRACTURES 91 595 B 6 2 0.0 105.60 107.10 108.60 ROSENCRANTZ, E. APHYRIC BASALTSAME LITHOLOGY AS SEC 1 PCE 1 (3-5), 2 (7-13), 3 (14-20), 4A (22-30), 4B (29-34), 5 (35-40), 6 (41-55), 7 (56-62), 8 (64-74), 9 (76-90), 10 (93-97), 11 (99-105), 12 (108-111), 13 (114-117), 14 (118-123), 15 (125-133), 16 (134-143), 17 (144-148) SLIGHT REDDISH STAINING/ALTERATION PRODUCT PRESENT ON SOME FRACTURE/VEIN SURFACES COOLING UNIT BOUNDARIES AT 50&65CM, SEE SEC 1 DESCRIPTION MN.OXIDE comments : MN STAINING IN PIECES 6&8&9 91 595 B 6 3 0.0 105.60 108.60 109.10 ROSENCRANTZ, E. APHYRIC BASALTSAME LITHOLOGY AS SEC 1 PCE 1 (4-6), 2 (9-16), 3 (18-25), 4A (26-31), 4B (31-36), 5 (38-48) SLIGHT TO MOD SEE SEC 1 DESCRIPTION 91 595 B 7 1 0.0 114.70 114.70 115.20 NATLAND, J. APHYRIC BASALTSAME LITHOLOGY AS CORES 3-6 PCE 1 (3-10), 2 (12-16), 3A (18-25), 3B (25-38), 3C (38-40), 3D (40-50) APHYRIC, APHANITIC HIGHLY FRACTURED, VEINED WITH GREEN CLAY & CALCITE & FE.HYDROXIDES SLIGHT 0.5-1.0CM DARK ALTERATION HALOS NEXT TO FRACTURES SURROUND LIGHTER GRAY OR PALE BROWNISH GRAY LESS ALTERED ZONES COLOR IS DARK GRAY CLAY | CALCITE | FE.HYDRX comments : IN VEINS 91 595 B 7 1 50.0 114.70 115.20 116.20 NATLAND, J. APHYRIC BASALT PCE 4 (52-56), 5 (59-62), 6 (65-67), 7 (70-75), 8 (76-83), 9 (85-90), 10 (92-102), 11 (105-108), 12A (110-117), 12B (114-122), 12C (117-122), 12D (122-130), 12E (130-140), 13 (143-150) APHYRIC, MORE PRONOUNCED ZONES OF SPHERULITES OR VARIOLITES, COARSER CRYSTALLINITY FOR GIVEN DISTANCE FROM GLASS, SEVERAL PROMINENT GLASSY ZONES IN CORE (IN PIECES 8&12E&13) WITH 1MM DIAMETER PLAG SPHERULITES VISIBLE UNDER BINOCULAR SCOPE, BLOTCHY ZONES OF COALESCED SHEAF AND RADIATING SPHERULITES ARE 6-10CM FROM GLASS,NO OL EVIDENT MOD ALTERATION HALOS SIMILAR TO THOSE IN PCES 1-3 OF SAME SECTION, HALOS DARKER GRAY NEXT TO THIN VEINS AND REDDER NEXT TO LARGER ONES LIGHTER COLOR THAN CORES 3-6, SPHERULITIC ZONES ARE BLOTCHY PURPLE & GRAY, DARK SHADING NEAR GLASS OR COOLING UNIT BOUNDARIES (AT 50&80CM) OL 0 FE.HYDRX comments : IN ALTERATION HALOS 91 595 B 7 2 0.0 114.70 116.20 117.70 NATLAND, J. APHYRIC BASALTSAME LITHOLOGY AS LOWER PART OF SEC 1 PCE 1A (2-5), 1B (5-10), 1C (10-22), 1D (23-25), 1E (20-30), 2A (33-40), 2B (40-44), 3A (45-50), 3B (49-53), 4 (56-59), 5A (60-66), 5B (66-70), 6 (72-77), 7A (79-91), 7B (91-99), 7C (96-112), 7D (112-120), 7E (120-135), 8 (138-140), 9 (143-145), 10 (147-150) APHYRIC, PROMINENT GLASS ZONES IN PCES 5B&6&9&10, VARIOLITIC ZONES IN PCES 2&3&7 LARGE CALCITE VEINS IN PCES 1C&5A&7A&D&E, FRACTURED SURFACE ON PCE 1C MOD TO EXT SIMILAR TO LOWER PART OF SEC 1, CURIOUS BLEACHED ZONES 2-3MM WIDE NEXT TO CRACKS IN PCES 5-7, INTERVALS 10-13 & 45-55 & 82-89 & 104-110 & 122-125 & 133-135CM ARE EXTENSIVELY ALTERED-- OTHERS ARE MODERATE PCE 7A-E IS ONE COOLING UNIT CALCITE comments : IN VEIN 91 595 B 7 3 0.0 114.70 117.70 118.75 NATLAND, J. APHYRIC BASALTSAME LITHOLOGY AS SEC 2 PCE 1 (2-5), 2 (7-10), 3 (14-16), 4 (17-30), 5 (33-36), 6 (40-45), 7 (48-50), 8 (52-56), 9 (58-66), 10 (70-75), 11 (78-83), 12 (86-90), 13A (92-96), 13B (96-104) APHYRIC, VARIOLITIC, GLASS ZONES IN PCES 1-2&5 MOD TO EXT NARROW BLEACHED ZONES IN PCES 13A-B, PCES 1-5 & 10-13 ARE MOD, PCES 6-9 ARE EXT PART OR MOST OF 4 COOLING UNITS PRESENT WITH BOUNDARIES AT 35&77&90CM, SEE SEC 2 DESCRIPTION