Leg : 32 Top/Bottom Interval(mm): 700/ 810 Analyst: Marshall, M.
Hole: 304 Sample Midpoint (m) : 335.31
Core: 15 Top of Core Depth (m) : 334.50
Sect: 1 Top of Section Depth(m): 335.20
LITHOLOGY: SEDIMENT (CHERT);
Piece No. : PCES 1 (70-73), 2 (74-76), 3 (77-81);
Comments : YELLOW-BROWN (10YR5/4) TO MOD GREY, BROWN
CHERT WITH QUARTZ-LINED VUGS;
Leg : 32 Top/Bottom Interval(mm): 820/1500 Analyst: Marshall, M.
Hole: 304 Sample Midpoint (m) : 336.00
Core: 15 Top of Core Depth (m) : 334.50
Sect: 1 Top of Section Depth(m): 335.32
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 4 (82-88),
5 (89-96), 6A (95-97), 6B (97-101), 6C (101-106),
7 (106-116), 8A (116-131), 8B (130-141),
8C (141-150);
Texture : APHYRIC, FEATHERING AT TOP, INTERSERTAL TO
INTERGRANULAR, VERY FINE-GRAINED AT TOP TO FINE-
GRAINED AT BASE, NO GLASS SEEN BUT FIBROUS PLAG
PHENOS AT TOP OF PCE 4 SHOW IT TO BE WITHIN CA 2CM
OF GLASS;
Structure : VEINS ARE 1MM TO CA 1CM AND FILLED WITH CALCITE AND
CELAD/MONT(?) AND FREQUENTLY PYRITE, BASALT NOT
HIGHTLY FRACTURED- FRACTURE SPACING CA 5CM;
Alteration : WEATHERED;
Comments : DRY- MEDIUM DARK GREY (N5), WET- GREY BLACK (N2) TO
GREENISH BLACK (5G2/1);
Vesicles : Size(mm): <1 Percent:
Location: Filling: CALCITE, MONT
FREQUENTLY CALCITE FILLED AND PERHAPS MONT(?),
VESICLES AT TOP OF PCE 4 FILLED WITH CELAD;
Groundmass : PLAGIOCLASE
FIBROUS PLAG SHOWS AT TOP OF PCE 4 TO BE WITHIN CA
2CM OF GLASS;
PYROXENE
AT 117CM PYX STILL ALTERED WITH PLAG MUCH LESS
THAN PYX;
Replacement: MONTMORILLONITE
Minerals Replaced: PYX
AT 83CM ALL PYX ALTERED TO MONT(?);
CELADONITE
CALCITE
Leg : 32 Top/Bottom Interval(mm): 0/1500 Analyst: Marshall, M.
Hole: 304 Sample Midpoint (m) : 337.50
Core: 15 Top of Core Depth (m) : 334.50
Sect: 2 Top of Section Depth(m): 336.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1A (0-11), 1B (10-16), 2 (16-26), 3A (26-31),
3B (32-37), 3C (37-44), 3D (44-50), 5A (50-60),
5B (60-70), 5C (70-76), 5D (77-85), 5E (85-94),
5F (95-101), 6A (101-109), 6B (110-115),
6C (116-122), 7A (122-130), 7B (131-140),
8 (141-150);
Texture : APHYRIC, INTERSERTAL TO INTERGRANULAR AND FINE-
GRAINED;
Structure : VEINS ARE CALCITE AND CELADONITE/MONT(?) FILLED,
FRACTURE SPACING CA 5CM, SOME FRACTURES ARE CA 0.5
CM WIDE WITH NEW MATERIAL AND OTHERS ARE COATED WITH
DARK "CLAY";
Alteration : WEATHERED, BASALT AT 59CM MUCH LESS ALTERED THAN
THAT AT 10CM OR AT 134CM (THIN SECTION HAS CALCITE
VEIN- 3MM);
Comments : PCE 5F PROBABLY GOES WITH PCE 6A, NO PCE 4, DRY-DARK
GREY TO MEDIUM DARK GREY (N3-N4) AND WET- GREYISH
BLACK (N2);
Vesicles : Size(mm): <1 Percent:
Location: Filling: CALCITE, MONT
VESICLES FILLED WITH CALCITE AND MAYBE MONT(?);
Groundmass : PLAGIOCLASE
Size(mm): 0.08X0.450
PYROXENE
Size(mm): 0.100
PLAG AND PYX OCCASIONALLY INTERGROWN IN SHEAVES;
Replacement: CLAY
CELADONITE
MONTMORILLONITE
ID OF MONT FILLING VESICLES UNCERTAIN;
Leg : 32 Top/Bottom Interval(mm): 670/1500 Analyst: Marshall, M.
Hole: 304 Sample Midpoint (m) : 339.00
Core: 16 Top of Core Depth (m) : 337.50
Sect: 1 Top of Section Depth(m): 338.17
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (67-74), 2 (75-79), 3 (79-85), 4 (86-93),
5 (94-101), 6 (100-107), 7 (109-115), 8 (115-121),
9 (121-129), 10 (130-137), 11 (139-146),
12 (145-150);
Texture : APHYRIC, INTERSERTAL AND INTERGRANULAR;
Structure : VEINS ARE 2.5CM THICK WITH GREEN AND BLACK CHERT IN
PCES 1-2 AND OTHER FRACTURES LINED WITH <0.5MM OF
CALCITE AND GREEN BLACK CLAY AND PYRITE;
Comments : DRY- GREY BLACK (N2) AND WET- BLACK (N1);
Vesicles : Size(mm): 1 Percent:
Location: Filling: CALCITE, MONT
Groundmass : PLAGIOCLASE
Size(mm): 0.06X0.5
PYROXENE
Size(mm): 0.1
Replacement: PYRITE
CLAY
BLACK;
MONTMORILLONITE
ID OF MONT FILLING VESICLES UNCERTAIN;
CALCITE
Leg : 32 Top/Bottom Interval(mm): 0/1500 Analyst: Marshall, M.
Hole: 304 Sample Midpoint (m) : 340.50
Core: 16 Top of Core Depth (m) : 337.50
Sect: 2 Top of Section Depth(m): 339.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (0-10), 2 (10-15), 3 (16-24), 4 (25-31),
5 (31-36), 6 (37-46), 7 (46-50), 8 (50-57),
9 (58-64), 10 (65-70), 11 (71-77), 12 (77-86),
13 (86-92), 14 (93-100), 15 (100-107),
16 (109-120), 17 (120-126), 18 (127-133),
19 (134-140), 20 (141-150);
Texture : APHYRIC, INTERSERTAL- COARSE FEATHERING AND FINE-
GRAINED;
Structure : VEINS FILLED WITH 2CM THICK CALCITE WITH CHERT
FRAGMENTS, OTHER FRACTURES ,0.5MM CALCITE AND CLAY
AND PYRITE;
Comments : DRY- GREYISH BLACK (N2) AND WET- BLACK (N1), PCES
THAT GO TOGETHER: 1-11 ARE INCLINED AND 18-20;
Vesicles : Size(mm): 1 Percent:
Location: Filling: CALCITE, MONT
VESICLES FILLED WITH CALCITE AND GREEN BLACK
MONT(?);
Groundmass : PLAGIOCLASE
Size(mm): 0.06X0.6
PYROXENE
Size(mm): 0.1
Replacement: PYRITE
CLAY
MONTMORILLONITE
ID GREEN BLACK MONT UNCERTAIN;
CALCITE
Leg : 32 Top/Bottom Interval(mm): 0/1500 Analyst: Marshall, M.
Hole: 304 Sample Midpoint (m) : 342.00
Core: 16 Top of Core Depth (m) : 337.50
Sect: 3 Top of Section Depth(m): 340.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (0-10), 2 (10-17), 3 (17-26), 4 (26-31),
5 (33-41), 6 (42-50), 7 (51-60), 8 (62-72),
9 (72-75), 10 (75-77), 11 (79-86), 12 (87-90),
13 (91-98), 14 (98-109), 15 (110-121), 16 (121-130),
17 (131-141), 18 (141-147);
Texture : APHYRIC, INTERSERTAL- COARSE FEATHERING AND FINE-
GRAINED;
Structure : PCE 11 IS 3MM THICK AND REST ARE <1MM AND FILLED
WITH CALCITE DARK GREEN CLAY AND SOME PYRITE;
Comments : DRY- GREY BLACK (N2) AND WET- BLACK (N1), PCES THAT
GO TOGETHER ARE PCES 10-11+12-13+16-17;
Groundmass : PLAGIOCLASE
Size(mm): 0.08X0.6
PYROXENE
Size(mm): 0.120
Replacement: PYRITE
CLAY
MONTMORILLONITE
ID GREEN BLACK MONT FILLING CLAYS QUESTIONABLE;
CALCITE
Leg : 32 Top/Bottom Interval(mm): 0/1500 Analyst: Marshall, M.
Hole: 304 Sample Midpoint (m) : 343.50
Core: 16 Top of Core Depth (m) : 337.50
Sect: 4 Top of Section Depth(m): 342.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (0-7), 2 (7-15), 3 (15-23), 4 (24-31),
5 (32-37), 6 (39-50), 7 (50-64), 8 (64-73),
9 (74-83), 10 (84-97), 11 (99-109), 12 (111-119),
13 (119-126), 14 (125-131), 15 (134-140),
16 (142-148);
Texture : APHYRIC, INTERSERTAL- COARSELY FEATHERING;
Structure : VEINS ARE 1CM THICK AND FILLED WITH CELAD AND PYRITE
AND CHALCEDONY AT 115CM OTHER FRACTURES EMPTY
EXCEPT FOR SOME PYRITE AND OCCASIONAL CELAD(?);
Comments : PCES THAT GO TOGETHER 1-2+3-5+1-14;
Vesicles : Size(mm): 1 Percent:
Location: Filling: MONT
FILLED WITH GREEN BLACK MONT(?);
Groundmass : PLAGIOCLASE
Size(mm): 0.07X0.7
PYROXENE
Size(mm): 0.120
Replacement: PYRITE
MONTMORILLONITE
ID MONT UNCERTAIN IN VESICLES;
CELADONITE
ID CELAD IN SOME VEINS UNCERTAIN;
Leg : 32 Top/Bottom Interval(mm): 0/1500 Analyst: Marshall, M.
Hole: 304 Sample Midpoint (m) : 344.50
Core: 17 Top of Core Depth (m) : 343.00
Sect: 1 Top of Section Depth(m): 343.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (100-102), 2 (103-121), 3 (121-133),
4 (133-141), 5 (140-150);
Texture : APHYRIC, INTERSERTAL TO INTERGRANULAR, FEATHERING
AND FINE-GRAINED;
Structure : THIN VEINS <0.5MM OF CALCITE AND BLACK MONT(?);
Alteration : WEATHERED;
Comments : DRY- DARK GREY (N3) AND WET- GREY BLACK (N2), PCE 1
IS YELLOW AND RED AND BROWN CHERT AND PCES 3-4 GO
TOGETHER;
Vesicles : Size(mm): 1 Percent:
Location: Filling: MONT, CALCITE
Groundmass : PLAGIOCLASE
Size(mm): 0.1X0.7
PYROXENE
Size(mm): 0.140
Replacement: CALCITE
MONTMORILLONITE
ID BLACK MONT UNCERTAIN;
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