Leg : 60 Top/Bottom Interval(mm): 0/1480 Analyst: Fryer, P.
Hole: 454A Sample Midpoint (m) : 68.48
Core: 5 Top of Core Depth (m) : 67.00
Sect: 1 Top of Section Depth(m): 67.00
LITHOLOGY: APHYRIC TO PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (2-7), 2 (9-15), 3 (17-18), 4 (20-25),
5 (28-33), 6 (54-42), 7 (43-54), 8 (58-59),
9 (52-56), 10 (68-75), 11 (77-82), 12 (83-90),
13 (92-98), 14 (100-108), 15 (110-116),
16 (117-122), 17A (124-127), 17B (128-138),
18 (141-148);
Texture : APHYRIC TO PLAG SPARSELY PHYRIC;
Structure : MANY PCES SHOW SWIRLS OR VARIOLES OF ACICULAR PLAG
INDICATING THAT THIS IS PROBABLY A PILLOWED UNIT,
FE.OXIDE APPEARS ON FRACTURED SURFACES OF PCES 6 AND
16;
Alteration : MOD
PCES SHOW ALTERATION ON CORED SURFACES, CENTERS OF
LARGER PCES ARE QUITE FRESH;
Comments : PCES SHOWING ALTERATION ARE YELLOW (10YR6/6) ON
CORED SURFACES;
Vesicles : BASALT APPEARS VERY POROUS BECAUSE OF MYRIAD TINY
PIN-HOLE VESICLES;
Replacement: FERROUS OXIDE
Leg : 60 Top/Bottom Interval(mm): 0/1420 Analyst: Fryer, P.
Hole: 454A Sample Midpoint (m) : 69.92
Core: 5 Top of Core Depth (m) : 67.00
Sect: 2 Top of Section Depth(m): 68.50
LITHOLOGY: APHYRIC TO PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (2-16), 2A (19-28), 2B (28-33), 3 (37-44),
4 (46-56), 5A (58-62), 5B (60-63), 5C (62-73),
6 (77-80), 7 (83-92), 8 (85-118), 9A (123-126),
9B (125-132), 9C (126-132), 10 (134-141);
Texture : APHYRIC TO PLAG SPARSELY PHYRIC, SCORIACEOUS ON PCE
7, LENGTH OF COHERENT PCES IS GREATER;
Structure : PROBABLY PILLOWED UNIT, AMYGDALOIDAL, PCES 2A-B
CONTAIN A VEIN OF DARK GREEN CLAYS, PCE 7 HAS A
RADIAL ZEOLITE CLUMP ON ITS TOP FRACTURE SURFACE IN
A SLIGHTLY SCORIACEOUS ZONE, PCE 8 HAS A THIN
ENCRUSTATION OF PALE CLAYS ON ITS UPPERMOST FRACTURE
SURFACE, MANY PCES SHOW VARIOLES WITH DISTINCT ONES
IN PCE 3;
Alteration : ALTERATION MARGINS ON PCES 1 AND 2A;
Vesicles : BASALT APPEARS VERY POROUS BECAUSE OF MYRIADS OF
OF TINY PINHOLE VESICLES, VUGS FILLED WITH
RADIAL ZEOLITES;
Replacement: ZEOLITE
CHLORITE
CLAY MINERALS
Leg : 60 Top/Bottom Interval(mm): 0/1500 Analyst: Fryer, P.
Hole: 454A Sample Midpoint (m) : 71.50
Core: 5 Top of Core Depth (m) : 67.00
Sect: 3 Top of Section Depth(m): 70.00
LITHOLOGY: APHYRIC TO PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (3-16), 2A (18-34), 2B (34-53), 2C (54-65),
3 (68-83), 4 (86-87), 5A (90-101), 5B (101-108),
6A (110-136), 6B (136-150);
Texture : APHYRIC TO PLAG SPARSELY PHYRIC, GRAIN SIZE FAIRLY
UNIFORM, LENGTH OF COHERENT PCES IS GREATER;
Structure : FRACTURES AND SOME CORED SURFACES OF THE FRAGMENTS
ARE ALTERED, PCES 3 AND 5A-B SHOW VARIOLES OF
ACICULAR MINERALS, PCE 2B HAS A CRACK WITH FE AND MN
OXIDES THAT CONTINUE FROM LOWER FRACTURE SURFACE OF
PCE 2A;
Alteration : MOD
FROM PCE 6A AT BOTTOM TO PCE 6B, PCES 6A-B SHOW
ALTERATION RIMS;
Comments : BASALT FRAGMENTS ARE MEDIUM DARK GREY (N4) WHEN DRY,
PCES 6A-B HAVE ALTERATION RIM OF LIGHT OLIVE GREY
(5Y5/2), FRACTURES AND ALTERATION OF CORED SURFACES
SHOW COLOR OF MODERATE YELLOWISH BROWN (10YR5/4);
Vesicles : BASALT APPEARS VERY POROUS BECAUSE OF MYRIADS OF
OF TINY PINHOLE VESICLES;
Replacement: ZEOLITE
SCATTERED THROUGOUT;
FERROUS OXIDE
MANGANESE OXIDE
Leg : 60 Top/Bottom Interval(mm): 0/ 670 Analyst: Fryer, P.
Hole: 454A Sample Midpoint (m) : 72.17
Core: 5 Top of Core Depth (m) : 67.00
Sect: 4 Top of Section Depth(m): 71.50
LITHOLOGY: APHYRIC TO PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (4-8), 2 (10-18), 3 (23-33), 4 (37-44),
5 (45-67);
Texture : APHYRIC TO PLAG SPARSELY PHYRIC, COARSER GRAINED
THAN IN PREVIOUS SECTIONS, MICRODIABASIC;
Structure : PCE 1 SHOWS SLIGHT ALTERATION ON FRACTURE SURFACES;
Alteration : FRESH
PCE 1 SHOWS ALTERATION ON FRACTURE;
Comments : ALTERATION ON PCE 1 IS MOD YELLOWISH BROWN
(10YR5/4);
Vesicles : BASALT APPEARS VERY POROUS BECAUSE OF MYRIADS OF
OF TINY PINHOLE VESICLES;
Leg : 60 Top/Bottom Interval(mm): 0/1500 Analyst: Fryer, P.
Hole: 454A Sample Midpoint (m) : 78.00
Core: 6 Top of Core Depth (m) : 76.50
Sect: 1 Top of Section Depth(m): 76.50
LITHOLOGY: DRILL CUTTINGS;
Piece No. : PCE NO PCE NUMBERS ASSIGNED;
Texture : GRADED PUMICE AND VOLCANIC GLASS AND FINE GRAINED
BASALT FRAGMENTS RANGING FROM CLAY SIZED FRAGMENTS
AT THE TOP TO GRAINS A FEW MM IN DIAMETER AT THE
BOTTOM OF THE CORE, PUMICE FRAGMENTS ARE ROUNDED,
GLASS AND BASALT FRAGMENTS ARE ANGULAR, GRADED
NATURE OF THE LAYER IS LIKELY THE RESULT OF DRILLING
AGITATION;
Comments : TOP OF SEQUENCE HAS MINOR HOLOCENE SEDIMENTS
OBVIOUSLY OUT OF PLACE;
Leg : 60 Top/Bottom Interval(mm): 0/1160 Analyst: Fryer, P.
Hole: 454A Sample Midpoint (m) : 79.16
Core: 6 Top of Core Depth (m) : 76.50
Sect: 2 Top of Section Depth(m): 78.00
LITHOLOGY: DRILL CUTTINGS;
Piece No. : PCE 1 (91-101), 2 (101-111), 3 (109-116);
Texture : GRADED PUMICE AND VOLCANIC GLASS AND FINE GRAINED
BASALT FRAGMENTS TO A DEPTH OF 92CM OF THE SECTION,
BELOW 92CM FRAGMENTED PCES OF APHYRIC BASALT, PCES
ARE NOT SPACED SINCE THERE IS NOT ROOM IN THE CORE
SECTION, PCE 1 IS A VERY FINE GRAINED APHYRIC
BASALT, PCE 2 IS A COARSER GRAINED MICRODIABASIC
APHYRIC BASALT;
Alteration : NARROW ALTERATION RIND ON PCE 1, PCE 2 IS QUITE
FRESH;
Vesicles : Size(mm): 0.5-2 Percent: 5
Location: Filling:
Shape : IRREGULAR
IN PCES OF BASALT BELOW 92CM, ALIGNED IN PARALLEL
STREAKS ALONG THE CUT SURFACE, PCE 2 IS MOD
VESICULAR IN PATCHES;
Leg : 60 Top/Bottom Interval(mm): 0/ 560 Analyst: Fryer, P.
Hole: 454A Sample Midpoint (m) : 80.64
Core: 6 Top of Core Depth (m) : 76.50
Sect: CC Top of Section Depth(m): 80.18
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (1-8), 2 (10-25), 3 (28-36), 4 (40-56);
Texture : APHYRIC BASALT FRAGMENTS, FINE TO MEDIUM GRAINED,
PCE 1 IS NUMEROUS FRAGMENTS OF BASALT, PCE 2
CONSISTS OF 5 FRAGMENTS OF APHYRIC BASALT, PCES 3-4
SHOW GRAIN SIZE VARIATIONS THROUGH FRAGMENTS FROM
FINE TO MEDIUM;
Alteration : PCE 2 SHOWS MINOR ALTERATION;
Comments : PCE 2 IS MEDIUM LIGHT GREY (N6), PATCHES OF
ALTERATION ARE LIGHT OLIVE GREY (5Y6/1);
Vesicles : Size(mm): Percent: 1-2
Leg : 60 Top/Bottom Interval(mm): 0/ 570 Analyst: Meijer, A.
Hole: 454A Sample Midpoint (m) : 96.07
Core: 8 Top of Core Depth (m) : 95.50
Sect: 1 Top of Section Depth(m): 95.50
LITHOLOGY: APHYRIC BASALT;
PILLOW;
Piece No. : PCE 1 (3-9), 2 (12-16), 3 (19-21), 4 (24-26),
5 (28-31), 6 (55-56), 7 (40-43), 8 (45-46),
9 (49-51), 10 (54-57);
Texture : APHYRIC, FINE GRAINED, SOME VARIOLITIC ZONES NEAR
GLASS;
Structure : PILLOWS PRESENT;
Comments : LOGGING INDICATES THAT THIS INTERVAL IS OCCUPIED
PRIMARILY BY SEDIMENTS WHICH WERE NOT RECOVERED AND
BY LESSER AMOUNTS OF BASALT;
Vesicles : Size(mm): 0.5-2 Percent:
Location: Filling:
Shape : IRREGULAR
A FEW FRAGMENTS HAVE THESE IRREGULAR VESICLES;
Leg : 60 Top/Bottom Interval(mm): 570/1500 Analyst: Meijer, A.
Hole: 454A Sample Midpoint (m) : 97.00
Core: 8 Top of Core Depth (m) : 95.50
Sect: 1 Top of Section Depth(m): 96.07
LITHOLOGY: SEDIMENT;
Leg : 60 Top/Bottom Interval(mm): 0/ 150 Analyst: Meijer, A.
Hole: 454A Sample Midpoint (m) : 104.15
Core: 9 Top of Core Depth (m) : 104.00
Sect: 1 Top of Section Depth(m): 104.00
LITHOLOGY: APHYRIC BASALT;
PILLOW;
Piece No. : PCE 1 (3-4), 2 (6-8), 3 (10-15);
Texture : APHYRIC, FINE TO MEDIUM GRAINED, PCE 3 HAS A GLASSY
RIND;
Structure : PILLOW BASALT FRAGMENTS;
Alteration : ALL PCES ARE FRESH;
Comments : LOGGING DATA INDICATES THAT THE INTERVAL OF THIS
CORE IS OCCUPIED BY SEDIMENTS SO THESE ARE
INTERSEDIMENT PILLOWS, BASALT IS DARK GREY TO BLACK;
Vesicles : VESICLES ARE GENERALLY ABSENT;
Leg : 60 Top/Bottom Interval(mm): 0/ 850 Analyst: Meijer, A.
Hole: 454A Sample Midpoint (m) : 113.85
Core: 10 Top of Core Depth (m) : 113.00
Sect: 1 Top of Section Depth(m): 113.00
LITHOLOGY: APHYRIC BASALT;
PILLOW;
Piece No. : PCE 1 (3-5), 2 (7-13), 3 (15-18), 4 (20-30),
5 (32-39), 6 (41-49), 7A (52-57), 7B (59-62),
8 (64-70), 9 (71-78), 10 (81-85);
Texture : APHYRIC, FINE TO MEDIUM GRAINED, MICROLITIC PLAG IN
COARSER GRAINED PCES, GLASS RINDS ON PCES 1 AND 3,
GENERALLY NOT GLASSY;
Structure : SEVERAL PCES HAVE CARB+CLAY.MIN VEINS WHICH DO NOT
ALTER INTO MATRIX;
Alteration : FRESH;
Comments : SOME SEDIMENTARY MATERIAL RECOVERED IN INTERVAL
20-30CM, LOGGING DATA INDICATES THAT SEVERAL METERS
AT THE TOP OF THE INTERVAL ARE PRIMARILY SEDIMENTS,
BASALT GREY TO BLUISH GREY;
Replacement: CARBONATE
CLAY MINERALS
Leg : 60 Top/Bottom Interval(mm): 0/1490 Analyst: Meijer, A.
Hole: 454A Sample Midpoint (m) : 123.49
Core: 11 Top of Core Depth (m) : 122.00
Sect: 1 Top of Section Depth(m): 122.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (2-6), 2 (10-18), 3 (20-25), 4A (27-41),
4B (42-51), 5 (53-57), 6 (59-62), 7 (65-68),
8 (70-75), 9 (77-84), 10 (86-92), 11 (96-108),
12 (110-118), 13 (121-129), 14 (132-138),
15 (141-149);
Texture : APHYRIC, FINE TO MEDIUM GRAINED, GENERALLY LACKING
GLASSY RINDS;
Structure : SEVERAL VEINS OF GREENISH CLAYS ARE PRESENT;
Alteration : FRESH;
NOT SIGNIFICANTLY ALTERED EXCEPT FOR VEINS;
Comments : BASALT IS DARK GREY;
Vesicles : VESICULAR;
Replacement: CLAY MINERALS
Leg : 60 Top/Bottom Interval(mm): 0/1490 Analyst: Meijer, A.
Hole: 454A Sample Midpoint (m) : 124.99
Core: 11 Top of Core Depth (m) : 122.00
Sect: 2 Top of Section Depth(m): 123.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1A (3-6), 1B (7-13), 2 (16-20), 3A (24-27),
3B (28-32), 4 (34-36), 5A (40-52), 5B (53-57),
5C (58-67), 5D (68-79), 5E (80-84), 6A (86-109),
6B (110-123), 7A (126-133), 7B (135-141),
7C (142-149);
Texture : APHYRIC, FINE TO MEDIUM GRAINED, GENERALLY LACKING
GLASSY RINDS;
Structure : VEINS OF CARB+ZEOLITE SPRAYS IN SOME FRAGMENTS;
Alteration : MOD
PCES 5D-6A;
FRESH
REST OF SECTION;
Comments : BASALT GREYISH BLUE;
Vesicles : Size(mm): 0.1-1.5 Percent:
Replacement: CARBONATE
ZEOLITE
Leg : 60 Top/Bottom Interval(mm): 0/1500 Analyst: Meijer, A.
Hole: 454A Sample Midpoint (m) : 126.50
Core: 11 Top of Core Depth (m) : 122.00
Sect: 3 Top of Section Depth(m): 125.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1A (2-12), 1B (13-20), 1C (21-27), 2 (29-32),
3 (35-39), 4 (42-48), 5 (50-54), 6A (57-62),
6B (63-68), 7A (71-75), 7B (77-85), 7C (86-97),
8 (100-102), 9A (108-112), 9B (114-122),
9C (123-126), 10 (129-140), 11 (144-150);
Texture : APHYRIC, FINE TO MEDIUM GRAINED, GENERALLY LACKING
GLASSY RINDS;
Structure : SEVERAL VEINS OF CARB+ZEOLITE+PREHNITE IN SPRAYS,
GREENISH BOTRYOIDAL COATING;
Alteration : MOD;
PCES 1A-C AND 6A-B AND 11;
FRESH
REST OF SECTION;
Comments : BASALT IS GREY TO BLUISH GREY;
Vesicles : Size(mm): 0.1-1.5 Percent:
Replacement: CARBONATE
ZEOLITE
PREHNITE
Leg : 60 Top/Bottom Interval(mm): 0/1460 Analyst: Meijer, A.
Hole: 454A Sample Midpoint (m) : 127.96
Core: 11 Top of Core Depth (m) : 122.00
Sect: 4 Top of Section Depth(m): 126.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1A (2-15), 1B (15-35), 1C (35-48), 1D (50-55),
2 (57-66), 3 (69-77), 4 (79-88), 5 (91-102),
6 (105-113), 7A (117-121), 7B (125-129),
8A (137-142), 8B (142-146);
Texture : APHYRIC, FINE TO MEDIUM GRAINED, GENERALLY LACKING
GLASSY RINDS;
Structure : SEVERAL VEINS OF CARB+SMEC OR CARB+CHLORITE, ONE
OXIDIZED VEIN OCCURS IN PCE 8B;
Alteration : FRESH;
Vesicles : VESICULAR;
Replacement: CARBONATE
RANDOMLY DISTRIBUTED IN CORE;
ZEOLITE
SMECTITE
POSSIBLY CHLORITE;
Leg : 60 Top/Bottom Interval(mm): 0/1470 Analyst: Meijer, A.
Hole: 454A Sample Midpoint (m) : 132.47
Core: 12 Top of Core Depth (m) : 131.00
Sect: 1 Top of Section Depth(m): 131.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1A (2-7), 1B (8-14), 1C (15-20), 2 (23-25),
3 (28-31), 4 (35-36), 5A (40-44), 5B (45-49),
6 (53-58), 7 (63-68), 8 (72-74), 9 (77-80),
10 (82-85), 11 (87-98), 12 (102-105), 13 (108-121),
14 (123-129), 15 (133-135), 16 (136-137),
17 (140-147);
Texture : APHYRIC, FINE TO MEDIUM GRAINED, PART OF GLASSY RIND
ON PCE 17;
Structure : SEVERAL VEINS OF CARB AND SMEC OR CHLORITE, PCE 17
HAS A 0.5CM VEIN CONTAINING CARB+SMEC CLAY WITH
FRAGMENTS OF ENCLOSING BASALT;
Alteration : FRESH;
Comments : BASALT IS GREYISH BLACK TO GREY;
Vesicles : VESICULAR;
Replacement: CARBONATE
SMECTITE
CHLORITE
Leg : 60 Top/Bottom Interval(mm): 0/1220 Analyst: Fryer, P.
Hole: 454A Sample Midpoint (m) : 133.72
Core: 12 Top of Core Depth (m) : 131.00
Sect: 2 Top of Section Depth(m): 132.50
LITHOLOGY: APHYRIC BASALT;
MUDSTONE BELOW 90CM;
Piece No. : PCE 1 (3-8), 2 (10-21), 3A (23-30), 3B (30-48),
4 (52-55), 5 (58-63), 6 (67-71), 7 (73-81),
8 (84-89), 9 (91-122);
Texture : APHYRIC, FINE TO MEDIUM GRAINED;
Structure : FRACTURES IN PCES 3A-B CONTAIN A DARK GREEN MATERIAL
AND THERE ARE VEINS PRESENT;
Alteration : MOD
PCES 1+4-9;
FRESH
REST OF SECTION, SLIGHTLY ALTERED NEAR VEINS;
Comments : PCES 3A-B CONTAIN A DARK GREEN MINERAL (5G3/2),
PCES 1+4-8 ARE PARTIALLY ALTERED TO OLIVE GREY
(5Y4/1), BELOW 90CM IN THE SECTION THE MATERIAL
RECOVERED IS AN OLIVE GREY (5Y3/2) TO LIGHT OLIVE
GREY (5Y5/2) INDURATED MUDSTONE SHOWING SIGNS OF
BIOTURBATION, GREYISH BLUE SECONDARY MINERAL IN
VEINS (5PB5/2);
Vesicles : VESICLES ARE PRESENT IN PCES 1-8 AND ARE BOTH
IRREGULARLY AND SPHERICALLY SHAPED, MOST ARE LINED
WITH A GREYISH BLUE SECONDARY MINERAL;
Replacement: GREYISH BLUE AND DARK GREEN SECONDARY MINERALS
PRESENT;
Leg : 60 Top/Bottom Interval(mm): 0/ 790 Analyst: Fryer, P.
Hole: 454A Sample Midpoint (m) : 149.79
Core: 14 Top of Core Depth (m) : 149.00
Sect: 1 Top of Section Depth(m): 149.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (2-7), 2 (10-17), 3 (19-26), 4 (30-34),
5 (37-42), 6 (45-51), 7 (53-57), 8 (60-66),
9 (70-72), 10 (77-79);
Texture : APHYRIC, PILLOW FRAGMENTS AND VESICULAR FRAGMENTS,
PILLOW FRAGMENTS ARE VARIOLITIC, PCES 6-10 ARE
PILLOW FRAGMENTS SHOWING VARIATIONS IN TEXTURE FROM
VARIOLITIC TO GLASSY;
Alteration : MOD
PCES 6-8 ARE SLIGHTLY ALTERED;
Vesicles : PCES 2-7 SHOW AN IRREGULAR DISTRIBUTION OF
VESICLES, PCE 1 HAS SMALL VESICLES IN GENERAL
EVENLY DISTRIBUTED THROUGHOUT THE ROCK;
Leg : 60 Top/Bottom Interval(mm): 0/ 170 Analyst: Fryer, P.
Hole: 454A Sample Midpoint (m) : 158.17
Core: 15 Top of Core Depth (m) : 158.00
Sect: 1 Top of Section Depth(m): 158.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (3-9), 2 (13-17);
Texture : APHYRIC, MATRIX OF THE ROCK AROUND THE VESICLES IS
FINER GRAINED;
Alteration : SLIGHTLY;
Comments : FRAGMENTS COATED WITH DUSKY YELLOW ALTERATION
PRODUCT (5Y6/4);
Vesicles : NUMEROUS MINUTE SPHERICAL VESICLES AND SPARSE
PATCHES OF IRREGULARLY SHAPED VESICLES;
Replacement: CLAY MINERALS
FERROUS HYDROX MINS
Leg : 60 Top/Bottom Interval(mm): 0/1420 Analyst: Fryer, P.
Hole: 454A Sample Midpoint (m) : 163.42
Core: 16 Top of Core Depth (m) : 162.00
Sect: 1 Top of Section Depth(m): 162.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (3-7), 2 (9-12), 3 (14-18), 4 (19-22),
5 (24-32), 6 (34-37), 7 (39-42), 8 (44-48),
9 (50-57), 10 (60-63), 11 (66-70), 12 (72-76),
13 (78-88), 14 (91-92), 15 (95-97), 16 (99-102),
17 (105-107), 18 (110-117), 19 (119-122),
20 (125-132), 21 (134-142);
Texture : APHYRIC, PCES 3-4 AND 13-18 ARE FRAGMENTS OF PILLOW
BASALTS WITH GLASSY MARGINS AND/OR VARIOLITIC
TEXTURES, ALL OTHER PCES ARE COARSER GRAINED AND
PROBABLY REPRESENT PILLOW INTERIORS, IN GENERAL THE
PILLOW FRAGMENTS APPEAR LESS ALTERED ALTHOUGH THIS
MAY BE THE EFFECT OF FINER GRAIN SIZE OF THE MATRIX,
PCE 14 IS EXTREMELY FINE GRAINED;
Alteration : SLIGHTLY;
Comments : PILLOW INTERIORS ARE OLIVE GREY (5Y4/1) WITH
FRESHER LOOKING PATCHES THAT ARE DARK GREY (N4);
Vesicles : BASALTS ARE VERY POROUS AS THE RESULT OF A HIGH
PROPORTION OF PIN-HOLE VESICLES UNIFORMLY
DISPERSED THROUGHOUT;
Leg : 60 Top/Bottom Interval(mm): 0/ 170 Analyst: Fryer, P.
Hole: 454A Sample Midpoint (m) : 163.67
Core: 16 Top of Core Depth (m) : 162.00
Sect: 2 Top of Section Depth(m): 163.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (3-8), 2 (10-17);
Texture : APHYRIC, COARSER GRAINED AS PILLOW INTERIORS IN
PREVIOUS SECTION;
Alteration : MOD;
Comments : MOST OLIVE GREY (5Y4/1) WITH SOME PATCHES OF LIGHT
OLIVE GREY (5Y5/2);
Vesicles : PCE 1 HAS VERY IRREGULARLY SHAPED VESICLES A
FEW MM IN DIAMETER, PCE 2 HAS NUMEROUS SMALL
SPHERICAL VESICLES AND A FEW LARGE IRREGULAR
VESICLES;
Leg : 60 Top/Bottom Interval(mm): 0/ 160 Analyst: Fryer, P.
Hole: 454A Sample Midpoint (m) :
Core: X 1 Top of Core Depth (m) :
Sect: 1 Top of Section Depth(m):
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (2-8), 2 (12-16);
Texture : APHYRIC;
Alteration : MOD
PCE 1;
SLIGHTLY
PCE 2;
Comments : MOD ALTERED PARTS ARE DARK GREY (N3) OR MEDIUM DARK
GREY (N4) WITH OLIVE GREY ZONES OF ALTERATION;
Vesicles : PCE 1 HAS PATCHES OF IRREGULARLY SHAPED VESICLES
WHICH CLUSTER AROUND DARK GREY AREAS, PCE 2 SHOWS
IRREGULAR DISTRIBUTION OF VESICLES IN SIZE AND
SHAPE AND FREQUENCY;
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