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 54 428 A 1 1 0.0 62.50 62.50 63.95 MATTEY, D. APHYRIC BASALT PCES 4 (27-35), 5 (37-41), 6 (44-50), 7 (53-60), 8 (63-69), 9A (70-75), 9B (75-82), 10 (85-94), 11 (95-103), 12 (105-108), 13 (110-122) APHYRIC,MEDIUM-GRAINED,GLASSY SEGREGATIONS IN PCES 9A+9B,VARIATION IN GRAINSIZE COARSENING TOWARD MIDDLE OF UNIT PCES 9A+9B VERTICAL JOINTS COATED WITH BLUE CLAY.MINS FRESH ALL PCES EXCEPT PCE 4 | SLIGHTLY PCE 4,WEATHERING RIND 1CM WIDE & GREENISH-GRAY PARALLEL TO ONE CUT SURFACE IN PCE 4 PALE GRAY BASALT RARE CLAY.MINS comments : RARE VESICLES FILLED WITH BLUE-GREEN CLAY.MINS,FEW VESICLES PCES 4-8 | 1-2 CALCITE,ZEOL TUBE-LIKE comments : LARGE VESICLES FILLED WITH CALCITE & ZEOL, LARGE IRREGULAR VUGS SOME LINED WITH ZEOL ZEOL comments : IN VESICLES | CLAY.MIN comments : BLUE & GREEN CLAY.MINS IN VESICLES & ON JOINT SURFACES | CALCITE comments : IN VESICLES 54 428 A 1 1 0.0 62.50 62.50 63.95 MATTEY, D. PLAG SPARSELY PHYRIC BASALT PCES 1 (0-10), 2 (13-17), 3 (18-24), 14 (123-128), 15 (130-135), 16 (136-143) SPARSELY PHYRIC,MEDIUM-GRAINED,FRAGMENTS OF GLASSY BASALT COMPRISE PCE 1 FRACTURE SURFACES PCES 2-3,VERTICAL CRACKS & JOINTS THROUGHOUT,NEARLY SCORIACEOUS PCE 16,CLAY.MINS COAT FRACTURES OF PCE 16 FRESH | WEATHERING IS EVIDENT IN DRILL CUTTINGS OF PCE 1 TOP 10CM COMPRISED OF DENSE GLASSY DRILL CUTTINGS, PCES 1-3 ARE PART OF TOP COOLING UNIT CONTINUING THROUGH PCE 12 OF APHYRIC CORE 1-1(0-145CM) CLAY.MINS comments : BLUE-GREEN CLAY.MINS LINE VESICLES OF PCES 2-3 | ZEOL,CHLOR comments : VESICLES LINED OR FILLED WITH ZEOL OR CHLOR, NUMEROUS VUGS SOME LINED OR FILLED WITH WHITE ZEOL OR BRIGHT GREEN UNIDENT.MIN(CHLOR?) PCE 15 | RARE TUBULAR comments : PCE 1 PLAG comments : PHENOS IN ALL PCES BUT GLOMEROCRYSTS FORMED INPCES 2-3 | CPX comments : CPX GLOMEROCRYSTS IN PCES 2-3 ZEOL comments : WHITE ZEOL IN VESICLES & VUGS | CHLOR comments : ID UNCERTAIN,MAY BE PRESENT IN VESICLES & VUGS OF PCE 15 | CLAY.MIN comments : BLUE & GREEN CLAY.MINS ON FRACTURE SURFACES OF PCES 2-3+16 54 428 A 1 2 0.0 62.50 64.00 65.32 SCHRADER, E. L. PLAG PHYRIC BASALT PCES 1 (0-10), 2 (13-17), 3 (19-27), 4 (29-34), 5 (36-42), 6 (44-52), 7 (55-62), 8 (65-75), 9 (76-85), 10 (86-93), 11 (94-99), 12 (101-111), 13A (114-121), 13B (120-130) PHYRIC TEXTURE IN ALL PCES EXCEPT PCES 1+6,PCES 1-2+6 ARE FINE-GRAINED,PCES 3-5+7 MEDIUM-GRAINED, PCES 8-13B COARSE-GRAINED FRACTURES & JOINTS ON EXTERIOR SURFACES,MASSIVE STRUCTURE FOR PCES 7-13B FRESH WEATHERING RINDS 5CM THICK OF FE.OXIDES ON PCES 1+5 & RINDS 1CM THICK ON PCES 2+6-8+10+12 ALSO THE WEATHERED RINDS ARE CONTROLLED BY JOINTS & FRACTURES,BLUE-GREEN CLAY.MIN COATING ON JOINT SURFACE OF PCE 2,SMALL PATCH OF CLAY ON EXTERIOR OF PCE 4,CLAY.MIN COATING ON PCE 12 A COOLING UNIT IS DEFINED FROM PCES 1-6 ON A BASIS OF GRAINSIZE VARIATIONS comments : A VEW LARGE VUGS NEAR TOP & BOTTOM EDGES OF PCE 12 WHICH ARE 1-2MM IN SIZE | CLAY.MIN,ZEOL comments : LARGE VESICLES IN PCE 5 & ALSO A FEW VESICLES IN PCE 10 POSSIBLY FILLED WITH THESE MINERALS comments : A FEW SCATTERED EMPTY VESICLES IN PCE 1 PLAG comments : AS PHENOS BUT FORMING GLOMEROCRYSTS IN PCES 1+6 CPX | OL comments : OL IS ALTERED CLAY.MIN comments : BLUE-GREEN CLAY.MIN COATING ON JOINT SURFACE OF PCE 2 ALSO ON SURFACE OF PCES 4+12,MAY BE IN VESICLES | FE.OXIDE comments : WEATHERING RINDS WITH FE.OXIDES THROUGHOUT SECTION | ZEOL comments : ID UNCERTAIN,POSSIBLY IN VESICLES 54 428 A 1 3 0.0 62.50 65.50 66.95 HUMPHRIS, S. APHYRIC BASALTMASSIVE BASALT PCES 1A (0-7), 1B (7-14), 2A (15-25), 2B (24-35), 2C (35-41), 3A (43-60), 3B (60-76), 3C (75-95), 3D (94-100), 4 (104-112), 5A (114-120), 5B (120-130), 6A (132-136), 6B (136-144) APHYRIC,COARSE-GRAINED,DIABASIC,PCES 1-4 FINER- GRAINED THAN BELOW MASSIVE STRUCTURE,BROKEN VERTICAL JOINT PCE 2C, VERTICAL JOINT & SECOND SET ALMOST PERPENDICULAR IN PCE 3A FRESH CLAY.MIN,CALCITE PINPOINT SPARSE PINPOINT VESICLES INFILLED WITH WHITE CARB.UNSPEC & BLUE CLAY.MINS CALCITE comments : IN VESICLES & ON VERTICAL JOINT,ID UNCERTAIN | CLAY.MIN comments : IN VESICLES & ON EXTERIOR SURFACES ALSO IN JOINTS 54 428 A 1 4 0.0 62.50 67.00 67.78 HUMPHRIS, S. APHYRIC BASALT PCES 1 (1-11), 2 (13-18), 4 (26-33), 5 (35-40), 6 (41-45), 8 (57-64), 9 (65-77) APHYRIC,FINE-TO-MEDIUM-GRAINED,CHILLED GLASSY MARGIN IN PCE 6,SIMILAR TO CORE 1-2 SAMPLES 2+3 FOR PCE 4 DOMINANT JOINTING IS HORIZONTAL & DOES NOT CONTROL WEATHERING FRESH PCES 1-2+5-6+9 | SLIGHTLY PCES 4+8,WEATHERING RIND 0.5CM WIDE ALONG THREE MARGINS THIS SECTION IS DEFINITELY NOT CONTINUOUS WITH THE PREVIOUS SECTION,DARK GRAY ON PCE 4 CLAY.MIN comments : VESICLES FILLED WITH BLUE CLAY OR WHITE CLAY.MIN FOR PCE 1 & VESICLES NEAR CHILLED MARGIN ARE FILLED WITH BLUE CLAY.MIN FOR PCE 6 & PCE 2 IDENTICAL TO PCE 1,VESICLES COMMON & OFTEN EMPTY PCES 4-5+8-9 ALSO VESICLES EMPTY TOWARDS CENTER OF PCE 6 CLAY.MIN comments : BLUE OR WHITE CLAY.MIN IN VESICLES OR ON OUTER SURFACE OF PCE 6 54 428 A 1 4 0.0 62.50 67.00 67.78 HUMPHRIS, S. PLAG SPARSELY PHYRIC BASALT PCES 3A (19-22), 3B (22-25), 7 (46-56) SPARSELY PHYRIC,FINE-GRAINED FRESH IGHTLY DARKER COLOR IN PCES 3A+3B THAN ABOVE CLAY.MIN comments : VESICLES LINED WITH WHITE CLAY.MINS PCES 2A-3B, EMPTY VESICLES IN PCES 3A-3B+7 CLAY.MIN comments : WHITE CLAY.MINS IN VESICLES 54 428 A 2 1 0.0 72.00 72.00 72.90 MATTEY, D. APHYRIC BASALT PCES 1 (2-5), 2 (7-13), 3 (15-22), 4 (25-33), 5 (36-44), 6 (46-53), 7 (55-61), 8 (64-75), 9 (78-81), 10 (84-90) APHYRIC,MEDIUM-TO-COARSE-GRAINED,DIABASE,CHILLED MARGIN IN PCE 9 JOINT SURFACES WITH GREEN CLAY.MINS PCE 4 FRESH ALL PCES EXCEPT PCE 2 & PART OF PCE 4 | SLIGHTLY PCE 2 & PART OF PCE 4,WEATHERING RIND IS OXIDIZED IN PCE 9,ALSO WEATHERED RIND IS PRESENT ON PCES 2+4 & IS 1CM WIDE ON PCE 2 PINPOINT comments : PINPOINT VESICLES IN PCES 2-4 CLAY.MIN comments : GREEN CLAY.MINS ON SURFACES OF PCE 3 54 428 A 3 1 0.0 81.50 81.50 83.00 DMITRIEV, Y. APHYRIC BASALT PCES 1 (0-5), 2 (8-12), 3 (14-19), 4 (20-24), 5 (26-31), 6 (33-49), 7 (41-46), 8 (47-64), 9 (66-73), 10A (74-83), 10B (83-95), 10C (96-113), 11 (120-128), 12A (131-142), 12B (140-148) APHYRIC,FINE-GRAINED TO APHANITIC,BLACK GLASSY FRINGE ON PCE 4 VERTICAL JOINTS,FISSURE MAKES 45 DEGREE ANGLE WITH VERTICAL AXIS IN PCE 9,TWO SETS OF FISSURES ARE VISIBLE IN PCES 10A-10C ONE IS THE VERTICAL JOINT & THE OTHER IS THE 45 DEGREE FISSURE FRESH EVERYWHERE EXCEPT RINDS OF ALTERATION FOUND ON PCES 9-11 | MOD PCES 9-11,WEATHERING ZONE ABOUT 0.5CM THICK ON PCE 9,WEATHERING RIND ON PCES 10A-10C IS ABOUT 1CM WIDE,ZONE OF WEATHERING IS PRESENT ON TOP-RIGHT SIDE OF PCE 11 BASALT HAS BROWNISH TINT IN AREAS OF WEATHERING DUE TO PRESENCE OF FE.OXIDES(PCES 9-11) comments : PINPOINT VUGS ARE PRESENT IN PCE 1,EMPTY VUGS 1% ARE UP TO 1MM IN SIZE IN PCE 2 comments : VERY SMALL EMPTY VESICLES IN PCE 5 | 0.1 5-7 comments : EMPTY VESICLES IN PCE 6 | 5-7 CLAY.MINS ROUND comments : ROUND VESICLES FILLED WITH LIGHT BLUISH CLAY.MINS IN PCE 8 | 0.5-1 5-10 CLAY.MINS comments : VESICLES FILLED WITH BLUISH-WHITE CLAY.MINS INCREASING FROM 5% IN PCE 10A TO 10% IN PCE 10C | 0.1 7 CLAY.MINS comments : VESICLES FILLED WITH BLUISH-WHITE CLAY.MINS IN PCES 11-12B FE.OXIDE comments : PRESENT IN ZONES OF WEATHERING | CLAY.MIN comments : BLUISH-WHITE CLAY.MINS IN VESICLES 54 428 A 4 1 0.0 86.50 86.50 88.00 DMITRIEV, Y. APHYRIC BASALT PCES 1 (0-6), 2 (7-11), 3 (13-19), 4 (21-24), 5 (26-29), 6 (31-34), 7 (36-40), 8A (42-44), 8B (44-46), 9A (47-60), 9B (60-76), 10 (78-81), 11 (83-90), 12 (92-97), 13 (101-112), 14A (113-126), 14B (119-126), 15 (129-139), 16A (141-144), 16B (144-147) APHYRIC,FINE-TO-MEDIUM-GRAINED,DARK GLASSY SEGREGATIONS COMMON THROUGHOUT,APHANITIC TO GLASSY FISSURES ARE PERPENDICULAR TO & 45 DEGREES FROM THE VERTICAL AXIS IN PCES 9A-11,VERTICAL FISSURES IN PCE 14,FISSURES OF PCE 15 ARE ORIENTED 45 DEGREES FROM THE VERTICAL AXIS FRESH ALL PCES EXCEPT PCE 11 | MOD PCE 11,WEATHERING ZONE 0.5CM BROWNISH IN COLOR RUNNING ALONG FISSURES OF PCES 9A+9B,TWO BROWNISH ZONES ABOUT 0.5CM ORIENTED AT 45 DEGREES TO THE AXIS OF CORE PCE 11,BROWNISH & GREENISH SECONDARY PRODUCTS ALONG VERTICAL FISSURES ON PCE 14 SURFACE IS COATED WITH WHITISH & GREENISH SECONDARY PRODUCTS PCE 15,PCE 1 SURROUNDED WITH LIGHTER ZONE 0.5CM,OUTER ZONE OF PCE 5 IS DARKER(0.5-0.8CM),TWO ZONES OF DARK & GRAY PRESENT IN PCE 7,DARK GRAY OUTER ZONE 0.5CM IN PCE 8A 3 PINPOINT comments : PINPOINT EMPTY VESICLES IN PCES 1+3+5+8A | 0.1 10 comments : EMPTY VESICLES IN PCES 2+4+6 | 1-2 CARB.UNSPEC,ZEOL comments : VESICLES FILLED WITH CARB.UNSPEC & ZEOL(?) IN PCES 9A+9B | 0.1-0.2 1-2 UNIDENT.MINS comments : VESICLES FILLED WITH WHITE & GREENISH UNIDENT.MINS IN PCE 13 & ALSO FOR PCE 14 BUT FILLED WITH LIGHT GREENISH & GRAYISH UNIDENT.MINS CALCITE comments : IN VESICLES | ZEOL comments : ID UNCERTAIN-MAY BE PRESENT IN VESICLES | UNIDENT comments : UNIDENT.MINS FILLING VESICLES MAY BE WHITISH & GREENISH OR GREENISH & GRAYISH 54 428 A 4 2 0.0 86.50 88.00 89.45 FODOR, R. APHYRIC BASALT PCES 1 (2-19), 2A (23-32), 2B (33-38), 3 (41-45), 4 (47-58), 5 (63-68), 6A (70-81), 6B (82-94), 7 (96-105), 8 (108-121), 9 (125-134), 10 (136-144) APHYRIC,VERY FINE-GRAINED,APHANITIC VERTICALLY JOINTED,JOINTS CONTROL WEATHERING,A SMALL CARB.UNSPEC VEINLET ON PCE 2 FRESH PCES 6A+6B+9+10 | MOD PCES 1-5+7-8,WEATHERING RIND RUST-COLORED 0.5CM THICK IN PCES 1+3 & A 1CM THICK WEATHERING RIND RUSTY ON PCES 2+8,SMALL WEATHERED PATCH ON PCE 6B & THERE IS A 2CM THICK RIND ON PCE 7 & A RIND ON PCE 4,FE.OXIDE STAINING WEATHERING RINDS WHICH ARE PARALLEL TO VERTICAL JOINTS ZEOL PINPOINT comments : PINPOINT VESICLES IN PCES 1-2 MAY BE FILLED WITH ZEOL | CARB,CLAY,FE.OXID comments : VESICLES NEAR WEATHERING RIND FILLED WITH FE.OXIDE & CARB.UNSPEC & GREEN CLAY.MINS IN PCES 4+5+6B PLAG | CPX comments : PLAG & CPX IN QUENCH PHASES OF GLASS CLAY.MIN comments : GREEN CLAY.MINS IN VESICLES | CARB comments : CARB.UNSPEC IN VESICLES | ZEOL comments : ID UNCERTAIN-MAY BE PRESENT IN VESICLES | FE.OXIDE comments : IN VESICLES & ON WEATHERING RINDS 54 428 A 4 3 0.0 86.50 89.50 90.13 DMITRIEV, Y. APHYRIC BASALT PCES 1 (0-11), 2 (12-22), 3 (24-34), 4 (35-47), 5 (49-63) APHYRIC,MEDIUM-GRAINED HORIZONTAL JOINTS DOMINATE & CONTROL WEATHERING FRESH FE-STAINED WEATHERING RIND ON PCE 1 & ORIENTATION OF ZONE IS AT 45 DEGREES comments : VUGS 1-1.5MM FILLED WITH QTZ & ZEOL(?) & CARB.UNSPEC IN PCE 3 | CLAY.MINS comments : SPARSE VESICLES FILLED WITH GREEN CLAY.MINS PLAG | CPX comments : PLAG & CPX IN QUENCH PHASES OF GLASS CLAY.MIN comments : GREEN CLAY.MINS IN VESICLES | CARB comments : CARB.UNSPEC FILLING VUGS IN PCE 3 | ZEOL comments : FILLING VUGS OF PCE 3(ID UNCERTAIN) | QTZ comments : FILLING VUGS OF PCE 3 54 428 A 5 1 0.0 91.00 91.00 92.50 HUMPHRIS, S. APHYRIC BASALTPILLOW BASALT PCES 1 (0-4), 2 (5-11), 5 (73-77) APHYRIC,PCES 1+2 FINE-GRAINED,PCE 5 COARSER-GRAINED, CHILLED MARGIN TOP OF PCE 1 PILLOW BASALT,VERTICAL & HORIZONTAL JOINTS THAT CONTROL WEATHERING MOD PCES 1-2+5 MAY HAVE SMALL FRESHER INTERIOR,SMALL WEATHERING RIM <0.5CM NOT FAR ADVANCED BUT WEATHERING RIND IS FARTHER ADVANCED IN PCE 2 & PCE 5 APPEARS TO BE A BROKEN WEATHERING RIM,OXIDIZED RIM ON PCE 5 FE.OXIDE comments : IN VESICLES NEAR WEATHERED RIM IN PCE 2 FE.OXIDE comments : IN VESICLES NEAR WEATHERED RIM IN PCE 2 54 428 A 5 1 0.0 91.00 91.00 92.50 HUMPHRIS, S. PLAG PHYRIC BASALT PCES 3A (12-25), 3B (25-35), 3C (35-45), 3D (45-60), 4 (61-71), 6 (79-85), 7 (86-99), 8 (101-109), 9 (110-120), 10A (121-123), 10B (123-125) PHYRIC,MEDIUM-TO-COARSE-GRAINED VERTICAL & HORIZONTAL JOINTS CONTROL WEATHERING RIND,VEIN FILLED WITH BROWN FE.OXIDE PCE 3A,VEIN LINED WITH BROWN FE.OXIDE & FILLED WITH BLACK AMORPHOUS MATERIAL PCE 9 FRESH PCES 3C+3D+8+11A-12 | MOD PCES 3A+3B+4+6+7+9-10B+12+13,A 2CM WIDE BROWN OXIDATION RIM ON PCES 3A+3B BUT RIM IS SMALLER ON PCE 3B & A 1CM WEATHERED RIM ON PCES 4+6+9+13,RIND IS OXIDIZED ON PCE 9,THERE IS A SMALL WEATHERING RIM ON PCES 7+8+12+10A,MOST OF PCE 10B IS A WEATHERING RIM ZEOL comments : FILLS VESICLES IN PCES 7-8 PLAG TO 5 CPX | PLAG comments : CPX & PLAG PRESENT IN QUENCH PHASES OF GLASS FE.OXIDE comments : IN VEINS | ZEOL comments : FILLING VESICLES & SMALL PATCH ON PCES 7+8 | UNIDENT comments : BLACK AMORPHOUS UNIDENT.MINS FILLS VEIN IN PCE 9 54 428 A 5 2 0.0 91.00 92.50 92.84 SCHRADER, E. L. PLAG PHYRIC BASALT PCES 1A (0-27), 1B (25-33) PHYRIC,COARSE-GRAINED FRACTURE SURFACES INCLINED 45-60 DEGREES FROM HORIZONTAL COATED WITH BLUE CLAY.MINS FRESH PCE 1A EXCEPT ON VERY TOP | MOD PCE 1B,OXIDIZED RIND AT BOTTOM OF PCE 1A,COATING ON PCE 1B THAT IS OXIDIZED CLAY.MINS comments : BLUE CLAY.MINS FILL SCATTERED VESICLES PLAG comments : FORMS GLOMEROCRYSTS CPX comments : RATHER LARGE IN GNDMASS CLAY.MIN comments : BLUE CLAY.MINS IN VESICLES & ON FRACTURE SURFACE OF PCE 1B & IS 1CM THICK 54 428 A 5 2 34.0 91.00 92.84 94.00 SCHRADER, E. L. APHYRIC BASALTMASSIVE BASALT PCES 2 (36-41), 3 (44-46), 4 (49-53), 5A (55-68), 5B (68-70), 5C (68-81), 5D (81-89), 5E (89-105), 6A (108-121), 6B (120-127), 7A (130-134), 7B (130-134), 7C (130-134), 8 (136-140), 9 (134-147) APHYRIC,MEDIUM-GRAINED FE.OXIDE VEINS CUT ENTIRE PCE 2,ANGULAR FRACTURES INCLINED AT 45-60 DEGREES FROM THE HORIZONTAL, MASSIVE BASALT FRESH PCES 3-5E+8-9 | MOD PCES 2+6A-7C,WEATHERING RINDS WITH FE STAINS ON PCES 6A-7C,THERE ARE TWO PRONOUNCED ZONES OF ALTERATION ON PCES 6A-6B PEBBLES OF APHYRIC BASALT COMPRISE PCES 7A-7C PLAG comments : A FEW GLOMEROCRYSTS OF PLAG IN PCES 6A+6B CPX comments : CPX IS RATHER LARGE IN THE GNDMASS FE.OXIDE comments : IN VEINS IN PCE 2 | CLAY.MIN comments : BLUE CLAY.MINS ON TOP SURFACES OF PCES 5A+9 54 428 A 5 3 0.0 91.00 94.00 95.50 MATTEY, D. APHYRIC BASALTMASSIVE BASALT PCES 1 (0-12), 2 (13-27), 3 (28-40), 4 (43-49), 5 (51-56), 6 (59-61), 7 (64-70), 8 (73-80), 9 (81-90), 10 (92-106), 11 (107-116), 12 (118-129), 13 (130-139), 14 (142-150) APHYRIC,COARSE-GRAINED EXPECIALLY FROM 30-40CM, INTERSERTAL TO SUBOPHITIC,DARK GLASSY SEGREGATIONS IN PCES 1+2 MASSIVE BASALT,THIN VEIN OF GREEN CLAY.MINS RUNS THROUGH PCE 1 FRESH PCES 1-3+9+11+12+14 | MOD PCES 4-8+10+13,WEATHERING RINDS WITH FE.OXIDES PROMINENT-RIND IS 3CM WIDE ON PCES 4-9+11+12+14 & USUALLY IS YELLOWISH-GRAY,THERE IS A YELLOWISH 2CM RIND ON PCE 10 & ALSO A 1CM WIDE RIND ON PCE 13 comments : IRREGULAR VUGS 2-3MM NEAR BASE OF SAMPLE FILLED WITH GREEN CLAY.MINS PCE 2 PLAG comments : GLOMEROCRYSTS PRESENT PCE 3 PLAG comments : PLAG LATHS PRESENT | CPX comments : OPHITIC CPX PRESENT WITH DARKER GLASSY SEGREGATIONS CLAY.MIN comments : GREEN CLAY.MINS VEINS & IN VUGS | FE.OXIDE comments : PRESENT ON WEATHERING RINDS 54 428 A 5 4 0.0 91.00 95.50 96.45 NATLAND, J. APHYRIC BASALTMASSIVE BASALT PCES 1 (1-15), 2 (17-24), 3A (26-33), 3B (33-40), 4 (43-55), 5 (58-80), 6 (84-95) APHYRIC,COARSE-GRAINED,FELTY TEXTURE,GRAINSIZE FAIRLY UNIFORM THROUGHOUT SIMILAR TO LOWER PART OF SECTION 3 MASSIVE BASALT,JOINT OR FRACTURE SURFACE HAS BLUISH CLAY.MINS & CARB.UNSPEC(?) COATING ON PCES 3A+3B SLIGHTLY ALL PCES EXCEPT 5+6 WHICH HAVE INTENSELY ALTERED UPPER EDGES WHICH HAVE SHARP TRANSITIONS TO FRESHER ROCK | EXT TOPS OF PCES 5+6,WEATHERING RINDS WITH FE.OXIDE PRESENT ON PCES 5+6 GIVING ROCK A RUSTY COLOR PINHOLE comments : PINHOLE VESICLES THROUGHOUT BUT MORE VISIBLE IN PCES 5+6 OTHER VESICLES MAY BE INFILLED & THUS LESS VISIBLE IN OTHER PCES PLAG comments : RADIAL PLAG XTLS VISIBLE ON ALL PCES GIVING ROCK A FELTY TEXTURE | CPX comments : VISIBLE WITH HAND LENS CALCITE comments : ID UNCERTAIN,MAY BE PRESENT ON FRACTURE OF PCE 3 | CLAY.MIN comments : BLUISH CLAY.MINS ON FRACTURE OF PCE 3 | FE.OXIDE comments : PRESENT ON WEATHERING RINDS 54 428 A 6 1 0.0 100.50 100.50 102.00 MATTEY, D. APHYRIC BASALTMASSIVE BASALT PCES 1 (2-7), 2 (9-13), 3 (15-20), 4 (23-28), 5 (31-33), 6 (36-41), 7 (43-45), 8 (47-55), 9 (58-63), 10 (66-72), 11 (74-80), 12 (83-91), 13 (94-106), 14 (108-117), 15 (120-126), 16 (129-138), 17 (142-149) APHYRIC,FINE-TO-COARSE-GRAINED,ONE GLASSY SEGREGATION PRESENT IN PCE 17 MASSIVE BASALT FRESH PCES 2-5+8+9+12+13+15-17 | MOD PCES 1+6+7+10+11+14 ALL HAVE ALTERATION ON THE OUTER SURFACE BUT ARE FRESH IN THE CORE,WEATHERING RINDS STAINED WITH FE.OXIDES RANGING IN SIZE FROM 0.5-2CM THICK ON PCES 1+2+6+7+10+11+14 comments : VESICLES SCATTERED THROUGHOUT,LARGE IRREGULAR VUGS UP TO 2CM IN SIZE & ARE LINED WITH YELLOW UNIDENT.MINS ON PCE 3,FEW VUGS FILLED WITH BLUE TRANSLUCENT UNIDENT.MINS ON PCES 4+6,SMALL VUGS LINED WITH YELLOW UNIDENT.MINS IN PCES 5+7,EMPTY VUGS AROUND EDGES OF PCES 8-10,VUGS LINED WITH BLUE CLAY.MINS OR FILLED WITH ZEOL(?) IN PCE 13, VUGS NOT FILLED IN PCES 14-17 PLAG | CPX comments : IN QUENCH PHASES CLAY comments : BLUE CLAY.MINS IN VUGS | ZEOL comments : ID UNCERTAIN BUT MAY BE PRESENT IN VUGS | FE.OXIDE comments : PRESENT ON WEATHERING RINDS 54 428 A 7 1 0.0 110.00 110.00 111.45 MATTEY, D. APHYRIC BASALT PCES 1 (0-8), 2 (10-19), 3 (23-30), 4 (33-43), 5 (46-50), 6A (53-58), 6B (58-67), 6C (67-73), 6D (73-85), 6E (85-100), 7A (103-114), 7B (114-124), 7C (124-135), 7D (135-145) APHYRIC,MEDIUM-GRAINED,SUBOPHITIC VERTICAL JOINTS CONTROLLING WEATHERING RINDS FRESH PCES 4+6B-7D | MOD PCES 1-3+5+6A HAVE ALTERED OUTER RIMS BUT FRESH INSIDE,WEATHERING RINDS WITH FE STAIN PROMINENT IN PCES 1-6A 54 428 A 7 2 0.0 110.00 111.50 113.00 SCHRADER, E. L. APHYRIC BASALT PCES 1A (0-10), 1B (10-19), 1C (18-21), 1D (22-34), 1E (34-46), 1F (46-49), 2 (52-56), 3 (60-62), 4 (65-67), 5 (70-78), 6 (79-88), 7 (90-97), 8 (99-105), 9 (107-110), 10 (113-116), 11A (120-131), 11B (131-136), 12 (139-149) APHYRIC,MEDIUM-GRAINED,SUBOPHITIC-HOLOXTLN TEXTURE MASSIVE BASALT,IRREGULAR JOINTS IN PCES 3-8 WHICH HAVE INDISTINCT WEATHERING RINDS THAT ARE PARALLEL TO THE JOINTS,SLIGHT FELTY MEGASCOPIC TEXTURE FRESH PCES 1A-2+5+9-12 | MOD PCES 3+4+6-8 HAVE OUTER RIM ALTERED BUT INSIDE IT IS FRESH,WEATHERING RINDS WITH LIGHT COATING OF FE.OXIDES ARE PRESENT ON PCES 3+4+6-8 WHICH ARE ABOUT 2CM THICK comments : VESICLES ARE FEW & EMPTY FE.OXIDE comments : ON WEATHERING RINDS