Leg : 54 Top/Bottom Interval(mm): 0/ 940 Analyst: Natland, J.
Hole: 424 Sample Midpoint (m) : 36.94
Core: 4 Top of Core Depth (m) : 28.50
Sect: 6 Top of Section Depth(m): 36.00
LITHOLOGY: SEDIMENT;
Leg : 54 Top/Bottom Interval(mm): 940/1450 Analyst: Natland, J.
Hole: 424 Sample Midpoint (m) : 37.45
Core: 4 Top of Core Depth (m) : 28.50
Sect: 6 Top of Section Depth(m): 36.94
LITHOLOGY: PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (94-99), 2 (101-106), 3 (102-115),
4A (117-127), 4B (129-135), 4C (135-145);
Texture : VERY SPARSELY PHYRIC,PCES 1+2 DARKER LESS XLLIZED
THAN PCES 3+4,UPPER CORNER OF PCE 2 VERGING ON
GLASSY;
Structure : FRACTURE SURFACES IN PCES 3+4 COATED WITH GREEN
CLAY.MINS(FAIRLY HARD TO SCRAPE OFF);
Alteration : FRESH
EXCEPT FOR VESICLE FILLINGS;
Comments : TWO BASALT PCES IN CORE CATCHER FIT WITH CAST PCE
IN SECTION 6,THEY ARE NUMBERED CONSECUTIVELY AS
THOUGH THEY WERE IN SECTION 6,PCES 1+2 MAY REPRESENT
UPPER PORTION OF COOLING UNIT INCLUDING PCES 3+4 BUT
THEY MAY ALSO COME FROM TWO DISTINCT COOLING UNITS;
Vesicles :
Location: Filling: CLAY.MINS
Shape : PINHOLE
PINHOLE VESICLES IN ALL PCES FILLED WITH WHITISH-
GREEN CLAY.MINS IN PCES 1+2,DARKER GREEN CLAY.MINS
IN PCES 3+4;
Groundmass : PLAGIOCLASE
PCES 3+4 HAVE IDENTIFIABLE GNDMASS PLAG "WHORLS";
Phenocrysts: PLAGIOCLASE
Size(mm): <2
LATHS;
Replacement: CLAY MINERALS
WHITISH-GREEN,DARK GREEN;
Leg : 54 Top/Bottom Interval(mm): 0/1480 Analyst: Natland, J.
Hole: 424 Sample Midpoint (m) : 39.48
Core: 5 Top of Core Depth (m) : 38.00
Sect: 1 Top of Section Depth(m): 38.00
LITHOLOGY: PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (2-7), 2 (9-14), 3 (16-21), 4 (23-29),
5 (31-40), 6 (43-50), 7 (51-56), 8 (59-65),
9A (67-76), 9B (76-94), 9C (95-101), 10 (102-106),
11 (107-116), 12 (117-124), 13 (125-134),
14A (136-142), 14B (136-140), 14C (141-148);
Texture : APHANITIC,SPARSELY PHYRIC,PCES 1-3 HAVE GLASSY
RINDS,PCES 1-6 SPHERULITIC,PCES 7-14 COARSEN DOWN
SECTION;
Structure : FRACTURES IN PCES 9A+9C+11 LINED WITH GREEN CLAY;
Alteration : FRESH
Comments : PCES 1-6 DARK GRAY COLOR,PCES 7-14 LIGHTER COLOR;
Vesicles : Size(mm): <1 Percent:
Location: Filling: CLAY.MINS
CLAY IS LIGHT GREEN;
Phenocrysts: PLAGIOCLASE
OCCASIONAL LATHS;
Replacement: CLAY MINERALS
GREEN,FILLS VESICLES & LINES FRACTURES;
Leg : 54 Top/Bottom Interval(mm): 0/1400 Analyst: Natland, J.
Hole: 424 Sample Midpoint (m) : 40.90
Core: 5 Top of Core Depth (m) : 38.00
Sect: 2 Top of Section Depth(m): 39.50
LITHOLOGY: PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCE 1A (0-14), 1B (14-20), 1C (20-36), 2A (36-55),
2B (55-75), 3 (75-87), 4 (89-95), 5 (96-109),
6 (112-124), 7 (126-139);
Texture : APHANITIC,SPARSELY PHYRIC,COARSEST-GRAINED AREAS
NEAR TOP;
Structure : FRACTURES IN PCES 3+6+7 WITH GREEN CLAY.MINS ON
FRACTURE SURFACES;
Alteration : FRESH
ALTERATION RINDS ON PCES 6+7;
Comments : DESCRIPTION ESSENTIALLY SAME AS CORE 5-1;
Vesicles : Size(mm): Percent: 2-3
PCES 1A-2A;
Size(mm): Percent: <1
PCES 6-7;
Phenocrysts: PLAGIOCLASE
OCCASIONAL LATHS;
Replacement: CLAY MINERALS
GREEN;
Leg : 54 Top/Bottom Interval(mm): 0/1420 Analyst: Dmitriev, Y.
Hole: 424 Sample Midpoint (m) : 42.42
Core: 5 Top of Core Depth (m) : 38.00
Sect: 3 Top of Section Depth(m): 41.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (0-11), 2 (17-29), 3 (30-43), 4 (46-52),
5 (55-58), 6 (61-69), 7 (70-83), 8 (85-98),
9 (100-113), 10 (115-129), 11 (130-142);
Texture : APHANITIC,FINE-GRAINED,APHYRIC;
Structure : GREENISH SECONDARY MINERAL ALONG FISSURES;
Alteration : FRESH
Vesicles :
Location: Filling: UNIDENT
Shape : PINPOINT
VESICLES & VUGS WITH SOME VESICLES LINED BY
GREENISH UNIDENT.MINS,VUGS LINED WITH XTLS;
Replacement: CLAY MINERALS
GREENISH;
UNIDENTIFIED
GREENISH;
Leg : 54 Top/Bottom Interval(mm): 0/ 730 Analyst: Dmitriev, Y.
Hole: 424 Sample Midpoint (m) : 43.23
Core: 5 Top of Core Depth (m) : 38.00
Sect: 4 Top of Section Depth(m): 42.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (0-13), 2 (16-20), 3 (21-32), 4 (35-44),
5 (45-55), 6 (55-65), 7 (68-73);
Texture : APHYRIC,APHANITIC,FINE-GRAINED;
Alteration : FRESH
Vesicles : Size(mm): Percent: RARE
Location: Filling:
Shape : PINPOINT
RARE PINPOINT VESICLES & A CLUSTER OF VUGS;
Leg : 54 Top/Bottom Interval(mm): 0/1500 Analyst: Dmitriev, Y.
Hole: 424 Sample Midpoint (m) : 49.00
Core: 6 Top of Core Depth (m) : 47.50
Sect: 1 Top of Section Depth(m): 47.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (0-7), 2 (10-16), 3 (17-22), 4 (25-30),
5 (32-38), 6 (40-48), 7 (50-55), 8A (56-70),
8B (70-77), 9 (79-89), 10A (91-104), 10B (104-110),
10C (110-119), 11 (121-129), 12A (131-136),
12B (136-140), NO PCE NUMBER ASSIGNED (142-150);
Texture : APHYRIC,FINE-GRAINED,APHANITIC,140-150CM SEVERAL
BASALT FRAGMENTS;
Structure : FISSURES;
Alteration : FRESH
Vesicles : Size(mm): Percent: RARE
Location: Filling: CLAY.MIN
Shape : PINPOINT
RARE PINPOINT VESICLES,SOME VUGS <5MM,SOME VUGS &
VESICLES HAVE GREEN CLAY.MIN FILLING;
Replacement: CLAY MINERALS
GREEN,FOUND IN SOME VUGS & VESICLES;
Leg : 54 Top/Bottom Interval(mm): 0/1400 Analyst: Dmitriev, Y.
Hole: 424 Sample Midpoint (m) : 50.40
Core: 6 Top of Core Depth (m) : 47.50
Sect: 2 Top of Section Depth(m): 49.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1A (1-10), 1B (10-23), 1C (23-26), 2A (27-45),
2B (45-54), 3 (56-67), 4A (70-74), 4B (76-84),
5 (85-94), 6A (96-102), 6B (102-106), 6C (106-116),
6D (116-134), 7 (135-145);
Texture : APHYRIC,FINE-GRAINED,APHANITIC;
Alteration : FRESH
Vesicles : Size(mm): Percent: 3
Location: Filling: CLAY.MIN
Shape : PINPOINT
PCES 1B-7 PINPOINT VESICLES;
Size(mm): TO 2 Percent:
PCE 1A;
Replacement: CLAY MINERALS
GREEN,PATCHES & LINES SOME VESICLES;
Leg : 54 Top/Bottom Interval(mm): 0/ 370 Analyst: Dmitriev, Y.
Hole: 424 Sample Midpoint (m) : 50.87
Core: 6 Top of Core Depth (m) : 47.50
Sect: 3 Top of Section Depth(m): 50.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1A (0-8), 1B (8-14), 1C (14-25), 1D (25-34),
NO PCE NUMBER ASSIGNED (36-37);
Texture : APHYRIC,FINE-GRAINED;
Alteration : FRESH
Comments : 36-37CM INTERVAL HAS THREE UNIDENTIFIED PCES;
Vesicles : Size(mm): Percent: 1-2
Location: Filling:
Shape : PINPOINT
Leg : 54 Top/Bottom Interval(mm): 0/ 170 Analyst: Dmitriev, Y.
Hole: 424 Sample Midpoint (m) : 57.17
Core: 7 Top of Core Depth (m) : 57.00
Sect: 1 Top of Section Depth(m): 57.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (0-6), 2 (8-13), 3 (10-12);
Texture : APHANITIC,APHYRIC;
Alteration : FRESH
Vesicles : Size(mm): Percent: 3-5
Location: Filling:
Shape : PINPOINT
PCE 1;
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