Leg : 65 Top/Bottom Interval(mm): 0/1500 Analyst: Morrison, M. Ann
Hole: 482D Sample Midpoint (m) : 139.50
Core: 8 Top of Core Depth (m) : 138.00
Sect: 1 Top of Section Depth(m): 138.00
LITHOLOGY: PLAG VERY SPARSELY PHYRIC BASALT;
MASSIVE;
Piece No. : PCES 1 (0-5), 2A (6-12), 2B (12-20), 3 (21-25),
4A (28-32), 4B (32-44), 5 (46-49), 6 (51-60),
7 (61-64), 8 (65-60), 9 (71-77), 10 (79-85),
11 (86-97), 12 (101-115), 13 (116-123),
14 (125-11), 15 (132-135), 16 (137-140),
17 (141-150);
Texture : PCE 1 IS RUBBLE OF FINE-GRAINED BASALT, PCES 2-17
ARE SPARSELY PHYRIC, GRAIN SIZE INCREASES DOWNWARDS
BUT IN PCES 14-17 THERE IS A DECREASE IN GRAIN SIZE
TO THE BOTTOM, NO SIGNS OF GLASS;
Structure : SMECTITE & CALCITE VEINS OFTEN WITH SULFIDES COMMON
IN HAIRLINE CRACKS & IN ABUNDANCE DOWN THE SECTION,
PCES 2-17 MASSIVE;
Alteration : FRESH
PCES 11 AND 14 HAVE VERY FAINT ALTERATION HALOS
AROUND VEINS;
Comments : PCE 1 IS VERY SIMILAR TO PCES 2-17, NO BASALT-SED
CONTACT SEEN ON ANY OF THE PCES;
Vesicles : Size(mm): Percent: 1
Location: Filling: CALCITE,SULFIDES
PCES 11 & 14 HAVE SMALL VESICLES;
Phenocrysts: PLAGIOCLASE ( <<1%)
Size(mm): 1
Replacement: CALCITE
SMECTITE
SULFIDES
DISSEMINATED IN GROUNDMASS OF PCES(1-4,6,8,14);
Leg : 65 Top/Bottom Interval(mm): 0/ 300 Analyst: Kudo, A.
Hole: 482D Sample Midpoint (m) : 139.80
Core: 8 Top of Core Depth (m) : 138.00
Sect: 2 Top of Section Depth(m): 139.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (0-5), 2 (7-12), 3 (15-21), 4 (23-28);
Texture : APHYRIC, VARIABLE GRAIN SIZE(PCE 4 IS COARSEST), PCE
2 MAY HAVE COOLING RIND WITH CALCITE AND SULFIDE ON
OUTSIDE;
Structure : PCE 4 HAS VEINS OF CALCITE AND SULFIDE AND CLAY;
Alteration : FRESH;
Comments : MAY BE ANOTHER COOLING UNIT, POSITION OF SAMPLE 1-4
UNCERTAIN;
Replacement: CLAY
CALCITE
SULFIDE
Leg : 65 Top/Bottom Interval(mm): 0/ 150 Analyst: Schmincke, H.
Hole: 482D Sample Midpoint (m) : 140.65
Core: 9 Top of Core Depth (m) : 140.50
Sect: 1 Top of Section Depth(m): 140.50
LITHOLOGY: MUDSTONE;
Piece No. : PCE 1 (0-15);
Leg : 65 Top/Bottom Interval(mm): 150/1500 Analyst: Schmincke, H.
Hole: 482D Sample Midpoint (m) : 142.00
Core: 9 Top of Core Depth (m) : 140.50
Sect: 1 Top of Section Depth(m): 140.65
LITHOLOGY: APHYRIC BASALT;
MASSIVE;
Piece No. : PCES 2 (15-22), 3A (24-30), 3B (30-37), 3C (36-45),
4 (45-59), 5 (60-70), 6 (70-80), 7 (82-89),
8 (90-105), 9 (105-112), 10 (114-120),
11 (121-127), 12 (127-140), 13 (142-150);
Texture : MEDIUM-GRAINED, PRACTICALLY APHYRIC, VESICLE
FILLINGS ZONED;
Structure : MAJOR FRACTURES SUBVERTICAL-SOME SUBHORIZONTAL TO
OBLIQUE, VEINS UP TO 2MM WIDE FILLED WITH UP TO 1CM
CARBONATE CRYSTALS AND SULFIDE AND BLUISH SMECTITE
AND PHILIPPSITE(?);
Alteration : MODERATE
PRONOUNCED ALTERATION HALOS ALONGSIDE FACTURES UP
TO 2CM WIDE AND GRADING DIFFUSELY INTO FRESHER
BASALT;
Comments : GREY;
Vesicles : Size(mm): TO 1 Percent: <1-2
Location: Filling: SMECTITE
GREEN TO BROWN SMECTITE BECOMES SMALLER AND
SCARCER AS GO DOWNWARDS;
Phenocrysts: PLAGIOCLASE ( <<1%)
Size(mm): <3
VERY RARE PLA PHENOS;
Replacement: SULFIDE
IN GROUNDMASS IN ALTERATION HALOS;
SMECTITE
BLUISH TO GREEN TO BROWN, REPLACING GROUNDMASS;
CARBONATE
AS CRYSTALS OF CARBONATE;
PHILLIPSITE
Leg : 65 Top/Bottom Interval(mm): 0/1500 Analyst: Zolotarev, B.
Hole: 482D Sample Midpoint (m) : 143.50
Core: 9 Top of Core Depth (m) : 140.50
Sect: 2 Top of Section Depth(m): 142.00
LITHOLOGY: APHYRIC BASALT;
MASSIVE;
Piece No. : PCES 1A (0-10), 1B (10-7), 1C (18-24), 1D (23-27),
1E (28-31), 2 (33-39), 3 (40-43), 4 (45-48),
5 (50-57), 6 (58-62), 7 (74-75), 8 (77-86),
9 (87-95), 10 (96-100), 11 (101-110), 12 (111-114),
1 (116-123), 14 (125-130), 15 (130-137),
16 (140-145), 17 (145-150);
Texture : MOSTLY APHYRIC, FINELY GRAINED;
Structure : PCES(1,2,8,11-13) MOD FRACTURED AND FILLED WITH
CARBONATE AND SMECTITE AND UNEVEN PYRITE, MASSIVE;
Alteration : MOD;
Comments : GREY, ALL SAMPLES SAME COMPOSITION AND TEXTURE;
Vesicles : Size(mm): TO 1 Percent: 1
Location: Filling: SMECTITE, CARB
Location: Filling: PYRITE
VESICLES FILLED WITH WHITE AND GRAY GREENISH
MATERIAL WHICH COULD BE CARB AND SMECTITE WITH
PYRITE GRAINS INSIDE CARBONATE;
Phenocrysts: PLAGIOCLASE ( <<1%)
Size(mm): 1.5-2
DISTRIBUTION UNEVEN PCES(7,11,17), PHENOS VERY
RARE;
Replacement:
SMECTITE
PYRITE
Leg : 65 Top/Bottom Interval(mm): 0/1010 Analyst: Zolotarev, B.
Hole: 482D Sample Midpoint (m) : 144.51
Core: 9 Top of Core Depth (m) : 140.50
Sect: 3 Top of Section Depth(m): 143.50
LITHOLOGY: APHYRIC BASALT;
MASSIVE;
Piece No. : PCES 1 (0-5), 2 (7-10), 3 (11-17), 4 (19-27),
5 (27-32), 6 (33-38), 7 (40-47), 8 (48-51),
9 (58-61), 10 (63-67), 11 (70-76), 12 (77-82),
13 (83-87), 14 (88-93), 15 (95-101);
Texture : APHYRIC;
Structure : MASSIVE, SOME FRACTURE FILLED WITH CARB AND SMECTITE
AND UNEVEN PYRITE;
Alteration : SLIGHT TO MODERATE;
Comments : SAME AS 9-2, GREY;
Vesicles : Size(mm): 0.5-1 Percent: <1
Location: Filling: SMECTITE,CARB
SPARSELY VESICULAR;
Phenocrysts: PLAGIOCLASE
Size(mm): 1
VERY RARE MICROPHENOS;
Replacement: CARBONATE
PYRITE
SMECTITE
Leg : 65 Top/Bottom Interval(mm): 0/1450 Analyst: Flower, M.
Hole: 482D Sample Midpoint (m) : 151.95
Core: 10 Top of Core Depth (m) : 150.50
Sect: 1 Top of Section Depth(m): 150.50
LITHOLOGY: APHYRIC BASALT;
MASSIVE;
Piece No. : PCES 1 (0-6), 2 (8-12), 3 (14-18), 4 (20-25),
5 (26-27), 6 (31-35), 7 (36-43), 8 (45-53),
9 (54-68), 10A (70-75), 10B (74-80), 10C (80-87),
10D (88-92), 11 (94-110), 12 (111-117),
13 (119-127), 14 (28-132), 15A (134-140),
15B (138-145);
Texture : APHYRIC, FRAGMENTATION OF CORE;
Structure : MASSIVE, FEW CALCITE FILLED HAIRLINE FRACTURES, PCES
10D-13 SHOW FACES OF THICKER VEINS CONTAINING
CALCITE AND GREEN SMECTITE AND MOSTLY DISSEMINATED
SULFIDE;
Alteration : FRESH
MOSTLY;
Comments : LITHOLOGY CONTINUED FROM 9-3, GREY;
Vesicles : Size(mm): Percent: 0
Replacement: SULFIDE
DISSEMINAED MOSTLY;
CALCITE
SMECTITE
Leg : 65 Top/Bottom Interval(mm): 0/1500 Analyst: Flower, M.
Hole: 482D Sample Midpoint (m) : 153.50
Core: 10 Top of Core Depth (m) : 150.50
Sect: 2 Top of Section Depth(m): 152.00
LITHOLOGY: APHYRIC BASALT;
MASSIVE;
Piece No. : PCES 1 (0-5), 2 (6-14), 3 (15-29), 4 (30-35),
5A (37-40), 5B (41-51), 5C (51-54), 5D (55-89),
5E (90-93), 5F (93-97), 6 (98-100), 7 (102-105),
8 (106-115), 9 9117-122), 10A (124-132),
10B (132-138), 11 (139-142), 12 (145-150);
Texture : APHYRIC, MOTTLED APPEARANCE OF SOME PCES MAY BE
GROUDMASS, TRANSITION GLOMERHYRIC BASALT SEEMS
GRADATIONAL;
Structure : SMECTITE AND CALCITE VEINS IN PCE 10A, MASSIVE;
Alteration : FRESH;
Comments : LITHOLOGY CONTINUOUS FROM PREVIOUS CORE 10-1;
Phenocrysts: COMBINATION
INCLUDES PLAG(+OR- CPX) GLOMEROPYRIC CLOTS WITH
LARGER AND MORE ABUNDANT CLOTS IN PCE 10;
Replacement: SMECTITE
CALCITE
Leg : 65 Top/Bottom Interval(mm): 0/ 600 Analyst: Flower, M.
Hole: 482D Sample Midpoint (m) : 154.10
Core: 10 Top of Core Depth (m) : 150.50
Sect: 3 Top of Section Depth(m): 153.50
LITHOLOGY: APHYRIC BASALT;
MASSIVE;
Piece No. : PCES 1 (0-3), 2A (5-9), 2B (10-17), 2C (18-20),
3 (22-30), 4 (31-40), 5 (42-50), 6 (50-60);
Texture : APHYRIC, INCREASING GRAIN SIZE, PCE 6 SHOWS DISTINCT
COOLING MARGIN AND GLASSY RIND;
Structure : ALTERED CRACKS SHOWING SMECTITE AND CALCITE AND
SULFIDE, PCES 3-4 SHOW FAINT ALTERATION ALONG
FRACTURE SURFACES, MASSIVE;
Alteration : FRESH
PCES 3-4 SHOW FAINT ALTERATION;
Comments : LITHOLOGY CONTINUOUS FROM CORE 10-2;
Phenocrysts: PLAGIOCLASE
CLINOPYROXENE
GLOMEROCRYSTIC CLOTS OF PLAG-AUGITE IN PCES 9-12,
Replacement: CALCITE
SULFIDE
SMECTITE
Leg : 65 Top/Bottom Interval(mm): 600/ 650 Analyst: Flower, M.
Hole: 482D Sample Midpoint (m) : 154.15
Core: 10 Top of Core Depth (m) : 150.50
Sect: 3 Top of Section Depth(m): 154.10
LITHOLOGY: SEDIMENT;
Piece No. : PC 7 (60-65);
Texture : INDURATED;
Leg : 65 Top/Bottom Interval(mm): 650/ 720 Analyst: Flower, M.
Hole: 482D Sample Midpoint (m) : 154.22
Core: 10 Top of Core Depth (m) : 150.50
Sect: 3 Top of Section Depth(m): 154.15
LITHOLOGY: GLASSY BASALT;
Piece No. : PCE 8 (65-72);
Texture : GLASSY COOLING MARGIN IN DISSEMINATED SULFIDE;
Alteration : FRESH;
Leg : 65 Top/Bottom Interval(mm): 730/1500 Analyst: Flower, M.
Hole: 482D Sample Midpoint (m) : 155.00
Core: 10 Top of Core Depth (m) : 150.50
Sect: 3 Top of Section Depth(m): 154.23
LITHOLOGY: APHYRIC TO PLAG-CPX SPARSELY PHYRIC BASALT;
Piece No. : PCES 9 (73-80), 10 (81-86), 11 (87-93), 12 (94-96),
13 (98-105), 14 (106-115), 15 (111-120),
16 (123-127), 17 (130-134), 18 (135-139),
19 (145-148);
Texture : PCES 9-12 GLOMEROPHYRICCLOTS OF PLAG-AUGITE,
APHYRIC TO SPARSELY PHYRIC, FINE GRAINED BUT
INCREASINGLY COARSER, PCE 17 GLASSY RIND;
Alteration : FRESH;
Phenocrysts: PLAGIOCLASE
OLIVINE
Leg : 65 Top/Bottom Interval(mm): 0/1500 Analyst: Kudo, A.
Hole: 482D Sample Midpoint (m) : 161.00
Core: 11 Top of Core Depth (m) : 159.50
Sect: 1 Top of Section Depth(m): 159.50
LITHOLOGY: APHYRIC BASALT;
MASSIVE;
Piece No. : PCES 1 (0-7), 2 (10-13), 3 (25-32), 4A (35-45),
4B (38-45), 5 (46-57), 6 (60-68), 7 (71-75),
8A (77-80), 8B (81-84), 9 (86-92), 10 (94-105),
11A (108-111), 11B (111-120), 12 (121-123),
13A (25-135), 13B (134-140), 14 (140-150);
Texture : APHYRIC, SEVERAL GLASSY MARGINS AND QUENCH ZONES(SEE
PCE 3 1CM THICK AND 7 NICE QUENCH PILLOW??), PCE 1
IS COARSEST-GRAINED;
Structure : VEINS OF CALCITE AND SMECTITE AND SULFIDE COMMON,
MASSIVE;
Alteration : FRESH;
Comments : GREY, MAY HAVE TWO UNITS IN THIS SECTION;
Phenocrysts: MOTTLED WITH GLOMEROCRYSTIC CLOTS OF PLAG AND PYX;
Replacement: CALCITE
SMECTITE
SULFIDE
Leg : 65 Top/Bottom Interval(mm): 0/1500 Analyst: Morrison, M. Ann
Hole: 482D Sample Midpoint (m) : 162.50
Core: 11 Top of Core Depth (m) : 159.50
Sect: 2 Top of Section Depth(m): 161.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1A (0-6), 1B (5-7), 1C (8-12), 2 (13-20),
3 (22-30), 4 (32-42), 5A (44-54), 5B (50-55),
5C (55-60), 5D (60-68), 5E (69-75), 6A (76-80),
6B (81-85), 7A (87-94), 7B (92-98), 8 (100-108),
9 (110-117), 10 (119-130), 11 (131-141),
12 (142-150);
Texture : PCES 1-3 ARE FINE-GRAINED, APHYRIC, PCES 4-12
ARE APHYRIC, PCE 4 HAS A GLASSY RIND AND IS FINE-
GRAINED WITH INCREASING GRAIN SIZE IN PCE 5 AND REST
ARE FAIRLY UNIFORM;
Structure : PCES 4-12 HAVE THIN SMEC COATED VEINS & FRACTURES
PCES(5D,6A,11) ALSO HAVE CALCITE ALONG VEINS;
Alteration : FRESH;
Comments : GREY, SIMILAR TO PREVIOUS UNITS;
Vesicles : Size(mm): Percent: 0
Replacement: SMECTITE
CALCITE
Leg : 65 Top/Bottom Interval(mm): 0/1280 Analyst: Kudo, A.
Hole: 482D Sample Midpoint (m) : 163.78
Core: 11 Top of Core Depth (m) : 159.50
Sect: 3 Top of Section Depth(m): 162.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (0-10), 2 (12-16), 3A (18-23), 3B (25-310,
4 (33-55), 5 (57-63), 6 (65-71), 7 (74-84),
8 (85-90), 9 (91-97), 10 (98-105), 11 (106-128);
Texture : APHANITIC, PCES(3A-3B) HAVE THICK (0.5-0.8CM) GLASS
AT CONTACT;
Structure : VEINS OF CALCITE AND SMECTITE;
Alteration : FRESH;
Comments : SIMILAR TO 11-1, GREY, MAY HAVE TWO COOLING UNITS IN
SECTION;
Replacement: SMECTITE
CALCITE
Leg : 65 Top/Bottom Interval(mm): 0/1300 Analyst: Schmincke, H.
Hole: 482D Sample Midpoint (m) : 169.80
Core: 12 Top of Core Depth (m) : 168.50
Sect: 1 Top of Section Depth(m): 168.50
LITHOLOGY: APHYRIC BASALT;
MASSIVE;
Piece No. : PCES 1 (16), 2A (8-16), 2B (16-22), 3 (24-33),
4 (34-41), 5 (44-50), 6 (51-60), 7 (60-70),
8 (72-80), 9 (80-90), 10 (90-97), 11 (99-104),
12A (110-116), 12B (116-125), 13 (126-130);
Texture : FINE TO MEDIUM-GRAINED, APHYRIC, GRAIN SIZE
DECREASES IN PCE 12B AND 13;
Structure : FRACTURES MOSTLY SUBHORIZONTAL SOME INCLINED IN PCES
4 & 10 WIH RARE VEINS AND FILLINGS OF SMECTITE AND
CARB & ZEOL(?) & MINOR SILVERY SULFIDE, MASSIVE;
Alteration : FRESH;
Comments : GREY;
Vesicles : Size(mm): <1 Percent: <1
Location: Filling: SMECTITE
VERY SPARSELY VESICULAR, GREEN SMECTITE;
Phenocrysts: PLAGIOCLASE ( <1%)
VERY RARE MICROPHENOS;
Replacement: SMECTITE
CARBONATE
ZEOLITE
ID ZEOLITE UNCERTAIN;
SULFIDE
Leg : 65 Top/Bottom Interval(mm): 1300/1450 Analyst: Schmincke, H.
Hole: 482D Sample Midpoint (m) : 169.95
Core: 12 Top of Core Depth (m) : 168.50
Sect: 1 Top of Section Depth(m): 169.80
LITHOLOGY: PLAG SPARSELY PHYRIC BASALT;
MASSIVE;
Piece No. : PCES 14A (132-138), 14B (137-145);
Texture : PHYRIC, FINE-GRAINED;
Structure : MOSTLY SUBHORIZONTAL WITH SOME INCLINED FRACTURES,
RARE VEINS FILLED WITH SMECTITE AND CARBONATE AND
ZEOLITE(?) AND MINOR PALE SILVERY SULFIDE, MASSIVE;
Alteration : FRESH;
Comments : DARK, NEW COOLING UNIT AND PETROGRAPHIC TYPE;
Phenocrysts: PLAGIOCLASE ( 1 %)
Size(mm): <4
Replacement: SMECTITE
CARBONATE
ZEOLITE
ID ZEOLITE UNCERTAIN;
SULFIDE
Leg : 65 Top/Bottom Interval(mm): 0/1500 Analyst: Schmincke, H.
Hole: 482D Sample Midpoint (m) : 171.50
Core: 12 Top of Core Depth (m) : 168.50
Sect: 2 Top of Section Depth(m): 170.00
LITHOLOGY: PLAG SPARSELY PHYRIC BASALT;
MASSIVE;
Piece No. : PCES 1 (1-7), 2 (10-19), 3 (21-30), 4 (32-37),
5 (40-45), 6 (47-66), 7 (68-72), 8 (65-71),
9 (73-78), 10 (80-95), 11 (95-110), 11B (111-121),
12 (123-135), 13 (136-148);
Texture : FINE-GRAINED(PCES1-9) TO MEDIUM-GRAINED (PCES10-13),
PHYRIC, PCE 8 IS GLASSY RIND OF COOLING UNIT;
Structure : SOME THIN VEINS FILLED WITH SMECTITE AND CARBONATE
AND SULFIDE(PCE 5 MAYBE MARCASITE?), SUBVERTICAL AND
MOSTLY SUBHORIZONTAL FRACTURES;
Alteration : FRESH;
Comments : GREY, CONTINUATION FROM BASE OF 12-1;
Vesicles : Size(mm): <1 Percent: <1
Location: Filling: SMECTITE
PCE 13 IS EXAMPLE OF IRREGULAR SHAPE FILLED WITH
GREEN SMECTITE;
Phenocrysts: PLAGIOCLASE ( 1-2%)
Size(mm): <4
Replacement: SMECTITE
SULFIDE
SULFIDE MAYBE MARCASITE;
CARBONATE
Leg : 65 Top/Bottom Interval(mm): 0/1500 Analyst: Zolotarev, B.
Hole: 482D Sample Midpoint (m) : 173.00
Core: 12 Top of Core Depth (m) : 168.50
Sect: 3 Top of Section Depth(m): 171.50
LITHOLOGY: PLAG SPARSELY PHYRIC BASALT;
MASSIVE;
Piece No. : PCES 1 (1-10), 2 (13-17), 3 (20-37), 4A (27-32),
4B (34-41), 5 (43-50), 6 (51-56), 7 (58-66),
8 (68-77), 9A (79-90), 9B (90-98), 10 (101-114),
11 (116-125), 12 (127-135), 13 (137-142),
14 (145-147);
Texture : PHYRIC, FINE-GRAINED, ALL SAMPLES SIMILAR TEXTURE;
Structure : MASSIVE, THIN FRACTURES EXCEPT PCES 4A-4B UP TO
3-4MM FILLED WITH WHITE-GREY MATERIAL AND WALLS
COVERED WITH DARK-GREY & REDDISH-GREY MATERIAL AND
RARE PYRITE IN FRACTURES;
Alteration : MODERATE;
Comments : GREY;
Vesicles : Size(mm): TO 1-1.5 Percent: 1-2
Location: Filling: SMEC,CARB
DARK GREY AND WHITE-BLUE GREY MATERIAL MAY BE
CARBONATE AND SMECTITE;
Phenocrysts: PLAGIOCLASE ( 1%)
Size(mm): 1.5-3
UNEVENLY DISTRIBUTED;
Replacement: CARBONATE
SMECTITE
PYRITE
Leg : 65 Top/Bottom Interval(mm): 0/ 870 Analyst: Zolotarev, B.
Hole: 482D Sample Midpoint (m) : 173.87
Core: 12 Top of Core Depth (m) : 168.50
Sect: 4 Top of Section Depth(m): 173.00
LITHOLOGY: PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCES 1 (1-9), 2 (12-17), 3A (19-26), 3B (26-36),
4A (48-51), 4B (50-57), 5 (60-66), 6 (58-73),
7 (75-78), 8 (80-87);
Texture : FINE-GRAINED, PHYRIC;
Structure : MOD TO STRONGLY FRACTURED FILLED WITH WHITE AND GREY
GREENISH MATERIAL PROBABLY SMECTITE AND CARBONATE
AND ZEOLITE(?);
Alteration : MODERATE
STRONG AROUND FRACTURES;
Comments : GREY, YELLOW COATING ON PCES 5-8;
Vesicles : Size(mm): TO 1-1.5 Percent: 1-2
Location: Filling: SMEC,CARB
IRREGULAR DISTRIBUTION, FILLED WITH WHITE AND DARK
GREY MATERIAL PROBABLY CARB ND SMECTITE, SULFIDE
IN BANDS OF IRREULAR 1-5MM VESICLES ON TOP OF 3B;
Phenocrysts: PLAGIOCLASE ( 1%)
Size(mm): TO4
Replacement: CARBONATE
SULFIDE
SMECTITE
ZEOLITE
ID ZEOLITE UNCERTAIN;
Leg : 65 Top/Bottom Interval(mm): 0/1500 Analyst: Schmincke, H.
Hole: 482D Sample Midpoint (m) : 179.00
Core: 13 Top of Core Depth (m) : 177.50
Sect: 1 Top of Section Depth(m): 177.50
LITHOLOGY: PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCES 1 (1-7), 2 (8-11), 3 (17-24), 4 (25-30),
5 (30-40), 6 (41-45), 7 (47-52), 8 (57-70),
9 (72-75), 10 (76-83), 11 (84-92), 12 (94-98),
13 (100-106), 14 (107-120), 15 (121-135),
16 (136-150);
Texture : FINE TO PARTLY MEDIUM-GRAINED, PHYRIC, FOUR MAIN
COOLING UNITS PCE 1 AND 2(GLASSY MARGIN) THRU 6 AND
7 IS VERY FINE-GRAINED TOP TO COARSENING DOWNWARDS
THRU 15 WITH EXCELLENT DECREASE IN GRAIN SIZE TO
VERY FINE-GRAINED BASE;
Structure : FRACTURES MORE IRREGULAR THAN IN MORE MASSIVE
OVERLYING UNITS, FEW 1MM VEINS OF ZEOLITE(?) OR
SMECTITE OR RARE CARBONATE OR SULFIDE(PCE11);
Alteration : FRESH;
Comments : SAME PETROGRAPHIC TYPE AS 12-1 TO 12-4, GREY;
Vesicles : Size(mm): Percent: <1
Location: Filling: SMECTITE
MORE IRREGULAR THAN IN MASSIVE BASALTS, FILLED
WITH GREEN SMECTITE;
Phenocrysts: PLAGIOCLASE ( <1%)
Size(mm): <4
Replacement: CARBONATE
RARE;
SMECTITE
ZEOLITE
ID ZEOLITE UNCERTAIN;
SULFIDE
Leg : 65 Top/Bottom Interval(mm): 0/1500 Analyst: Zolotarev, B.
Hole: 482D Sample Midpoint (m) : 180.50
Core: 13 Top of Core Depth (m) : 177.50
Sect: 2 Top of Section Depth(m): 179.00
LITHOLOGY: PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCES 1 (1-5), 2 (7-15), 3 (17-26), 4 (29-35),
5 (39-42), 6 (44-50), 7 (54-66), 8 (70-78),
9 (81-87), 10 (90-105), 11 (108-117), 12 (120-128),
13 (130-149);
Texture : PHYRIC, MEDIUM-GRAINED EXCEPT PCE 13 IS VERY FINE-
GRAINED TO FINE-GRAINED AND PCE 1 IS FINE-GRAINED;
Structure : STRONGLY FRACTURED AND FILLED WITH CARBONATE AND
AND SMECTITE AND PYRITE (RARE);
Alteration : MOD TO STRONG;
Comments : PCE 13 IS GREY AND FINER-GRAINED-NEW COOLING UNIT;
Vesicles : Size(mm): TO Percent: 1 <1
Location: Filling: SMECTITE
RARE AND FILLED WITH GREY MATERIAL(SMECTITE);
Phenocrysts: PLAGIOCLASE ( 1-2%)
Size(mm): TO 4
Replacement: CARBONATE
PYRITE
SMECTITE
Leg : 65 Top/Bottom Interval(mm): 0/ 370 Analyst: Zolotarev, B.
Hole: 482D Sample Midpoint (m) : 180.87
Core: 13 Top of Core Depth (m) : 177.50
Sect: 3 Top of Section Depth(m): 180.50
LITHOLOGY: PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCES 1 (1-10), 2 (12-21), 3 (25-36);
Texture : FINE-GRAINED, PHYRIC;
Structure : FRACTURES THIN AND FILLED WITH SMECTITE;
Alteration : MODERATE;
Comments : GREY;
Vesicles :
Location: Filling: SMECTITE
VESICLES VERY RARE AND SMALL AND FILLED WITH SMEC;
Phenocrysts: PLAGIOCLASE ( 1%)
Size(mm): 1-4
Replacement: SMECTITE
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