Leg : 32 Top/Bottom Interval(mm): 0/1500 Analyst: Marshall, M.
Hole: 303A Sample Midpoint (m) : 286.30
Core: 9 Top of Core Depth (m) : 284.80
Sect: 1 Top of Section Depth(m): 284.80
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (0-15), 2 (15-20), 3 (20-25), 4 (25-27),
5 (25-26), 6 (29-33), 7 (35-38), 8 (39-54),
9 (55-60), 10 (60-66), 11 (67-69), 12 (70-74),
13 (75-79), 14 (80-90), 15 (90-110), 16 (110-112),
17 (114-115), 18 (115-130), 19 (130-141),
20 (141-146), 21 (149-151);
Texture : APHYRIC (APHANITIC), INTERGRANULAR WITH FINE-GRAINED
GROUNDMASS, VARIOLES AT TOP OF PCE 3 (22CM), NO
GLASS SEEN,NO PHENOS SEEN;
Structure : FRACTURE SPACING 2-3CM (ON AVERAGE), VEINS FILLED
WITH CALCITE AND CELADONITE/MONT(?);
Alteration : WEATHERED BASALT, PLAG AND PYX APPEAR FAIRLY
UNALTERED;
Comments : WET- GREYISH BLACK (N2) TO GREENISH BLACK (5G2/1)
AND DRY- MEDIUM LIGHT GREY (N6) TO LIGHT GREEN GREY
(5G7/1), PROBABLY OTHER COOLING UNITS IN SECTION
BUT VERY DIFFICULT TO DETECT WITHOUT SPLITTING CORE;
Vesicles : Size(mm): 0.5 Percent:
Location: Filling: CELAD, MONT
SPARSE VESICLES WITH YELLOW-GREEN ALTERATION-
CELAD AND MONT OCCUR AS VESICLE FILLING;
Groundmass : PLAGIOCLASE
PYROXENE
Replacement: CELADONITE
MONTMORILLONITE
YELLOW-GREEN ALTERATION (CELAD/MONT?) OCCUR
VESICLE FILLING AND REPLACING OLIVINE PHENOS AND
PATCHES IN GROUNDMASS;
Leg : 32 Top/Bottom Interval(mm): 490/1500 Analyst: Marshall, M.
Hole: 303A Sample Midpoint (m) : 289.50
Core: 10 Top of Core Depth (m) : 288.00
Sect: 1 Top of Section Depth(m): 288.49
LITHOLOGY: APHYRIC BASALT;
Leg : 32 Top/Bottom Interval(mm): 490/1500 Analyst: Marshall, M.
Hole: 303A Sample Midpoint (m) : 289.50
Core: 10 Top of Core Depth (m) : 288.00
Sect: 1 Top of Section Depth(m): 288.49
LITHOLOGY: SEDIMENT (CALCITE PEBBLE);
Piece No. : PCES 1 (49-60), 2 (60-67), 3 (69-70), 4 (71-75),
5 (75-81), 6 (81-83), 7 (84-105), 8 (105-113),
9 (114-121), 10 (123-125), 11 (123-125),
12 (125-135), 13 (135-145), 14 (146-150);
Texture : APHYRIC (APHANITIC), FINE-GRAINED, PCE 14 IS CALCITE
PEBBLE- PROBABLY VEIN FILLING MATERIAL, BASALT IS
DARKER AND APPEARS FINER-GRAINED AT 48+76+87+108+
126CM;
Structure : VEINS ARE FILLED WITH CALCITE AND CELAD/MONT(?);
Alteration : SLIGHT
BASALT IS SOMEWHAT WEATHERED;
Comments : WET- GREY BLACK (N2) TO GREEN GREY (5GY3/1) AND DRY-
LIGHT GREY (N7) TO GREEN GREY (5G5/1), WHERE BASALT
APPEARS DARKER AND FINER-GRAINED (48+76+87+108+126
CM) COULD BE COOLING UNIT MARGINS;
Vesicles : Size(mm): 0.5 Percent:
SPARSE VESICLES;
Groundmass : PLAGIOCLASE
Size(mm): CA 1
SPARSE PLAG LATHS;
Replacement: CELADONITE
MONTMORILLONITE
ID MONT IN VEINS IS UNCERTAIN;
CALCITE
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