Leg : 32 Top/Bottom Interval(mm): 1250/1500 Analyst: Marshall, M.
Hole: 313 Sample Midpoint (m) : 589.50
Core: 43 Top of Core Depth (m) : 588.00
Sect: 1 Top of Section Depth(m): 589.25
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (125-131), 2 (132-133), 3 (135-143),
4 (145-150);
Texture : APHYRIC AND APHANITIC, HOLOCRYSTALLINE AND VERY
FINE-GRAINED;
Structure : VEINS ARE <1MM ZEOLITE AND SOME CALCITE FILLED,
FRACTURE SPACING CA 2CM;
Comments : MEDIUM BROWN (7.5YR3/2) TO DARK GREY (N3), BROWN
DISCOLORATION EXTENDS DOWN SIDE OF THE CORE
SEGMENTS;
Vesicles : Size(mm): <1-2 Percent:
SCATTERED AMYGDULES OF 2-4MM FILLED WITH ZEOLITE
ARE PRESENT BUT OVERALL TOTAL VESICULARITY LOW AND
VESICLES <1MM;
Replacement: ZEOLITE
CALCITE
Leg : 32 Top/Bottom Interval(mm): 100/1500 Analyst: Marshall, M.
Hole: 313 Sample Midpoint (m) : 591.00
Core: 43 Top of Core Depth (m) : 588.00
Sect: 2 Top of Section Depth(m): 589.60
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (10-15), 2 (15-20), 3 (21-29), 4 (30-36),
5 (38-45), 6 (45-51), 7 (51-58), 8 (59-63),
9 (63-65), 10 (65-67), 11 (69-74), 12 (75-81),
13 (81-86), 14 (87-95), 15 (95-100), 16 (100-104),
17 (104-106), 18 (107-110), 19 (111-116),
20 (116-121), 21 (121-122), 22 (123-126),
23 (129-133), 24 (134-137), 25 (139-142),
26 (144-150);
Texture : APHYRIC AND APHANITIC;
Structure : VEINS ARE CA 1MM ZEOLITE AND SOME CALCITE, FRACTURE
SPACING CA 2CM;
Comments : MEDIUM DARK GREY (N4) AND DARK YELLOW BROWN
(10YR4/2) AT 76CM AND 117CM;
Vesicles : Size(mm): <1 Percent:
SPARSE 1-3MM VESICLES BUT MAIN VESICULARITY <1MM,
LARGER VESICLES (OR VUGS) UP TO 2CM AND
RELATIVELY SPARSE AND LINED WITH CLEAR DRUSY
CRYSTALS OR FILLED AT LEAST PARTIALLY WITH WHITE
ZEOLITE, AMYGDULES 1-2CM AND PARTIALLY FILLED
(LARGER ONES ONLY) WITH ZEOLITES(?)- LARGE AND
WELL-DEVELOPED;
Replacement: ZEOLITE
ID ZEOLITE IN AMYGDULES UNCERTAIN;
CALCITE
Leg : 32 Top/Bottom Interval(mm): 0/1500 Analyst: Marshall, M.
Hole: 313 Sample Midpoint (m) : 598.50
Core: 44 Top of Core Depth (m) : 597.00
Sect: 1 Top of Section Depth(m): 597.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (0-6), 2 (6-9), 3 (9-16), 4 (16-21),
5 (21-23), 6 (24-26), 7 (27-29), 8 (30-32),
9 (33-38), 10 (39-40), 11 (42-47), 12 (47-52),
13 (51-56), 14 (57-65), 15 (65-73), 16 (73-83),
17 (84-87), 18 (89-95), 19 (96-102), 20 (104-111),
21 (111-116), 22 (117-126), 23 (127-133),
24 (134-136), 25 (137-138), 26 (140-145),
27 (145-150);
Texture : APHYRIC, HOLOCRYSTALLINE AND FINE-GRAINED;
Structure : VEINS ARE RARE CA 1MM AND FILLED WITH ZEOLITE AND
SOME WITH CALCITE, FRACTURES ARE RARE;
Comments : MEDIUM DARK GREY (N4);
Vesicles : Size(mm): <1-2 Percent:
OCCASIONAL VUGS 3MM-2CM FREQUENTLY WITH SPARSE
1MM-1CM WHITE ZEOLITE DRUSY LINING, VESICULARITY
APPARENTLY A MAX IN THIS SECTION WITH MAIN
VESICULARITY 0.5-1MM, VUGS ARE ALMOST EMPTY AND
COMMON TO SPARSE, 2X2CM DRUSY VUG IN PCE 15;
Replacement: ZEOLITE
CALCITE
Leg : 32 Top/Bottom Interval(mm): 0/1500 Analyst: Marshall, M.
Hole: 313 Sample Midpoint (m) : 600.00
Core: 44 Top of Core Depth (m) : 597.00
Sect: 2 Top of Section Depth(m): 598.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (0-10), 2 (10-17), 3 (18-26), 4 (27-31),
5 (31-36), 6 (37-44), 7 (44-49), 8 (49-56),
9 (55-68), 10 (70-76), 11 (77-84), 12 (84-91),
13 (91-101), 14 (101-106), 15 (108-111),
16 (112-118), 17 (119-125), 18 (125-131),
19 (132-138), 20 (139-145), 21 (146-150);
Texture : APHYRIC, HOLOCRYSTALLINE(?) AND FINE-GRAINED;
Structure : VEINS ARE 1-2MM AND FILLED WITH CALCITE, FRACTURE
SPACING CA 10CM;
Comments : MEDIUM DARK GREY (N4) TO DARK GREY (N3);
Vesicles : Size(mm): <1-3 Percent:
VESICULARITY DECREASES TOWARDS BASE, MAIN
VESICULARITY IS <1MM, LARGER VESICLES ESPECIALLY
TOWARDS BASE ARE RARE;
Replacement: CALCITE
Leg : 32 Top/Bottom Interval(mm): 0/1500 Analyst: Marshall, M.
Hole: 313 Sample Midpoint (m) : 601.50
Core: 44 Top of Core Depth (m) : 597.00
Sect: 3 Top of Section Depth(m): 600.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (0-10), 2 (10-15), 3 (16-20), 4 (20-26),
5 (26-31), 6 (32-36), 7 (36-40), 8 (42-51),
9 (51-53), 10 (53-61), 11 (62-70), 12 (71-77),
13 (79-87), 14 (89-96), 15 (96-102), 16 (102-109),
17 (110-117), 18 (117-124), 19 (124-127),
20 (128-132), 21 (132-137), 22 (138-141),
23 (141-142), 24 (144-150);
Texture : APHYRIC, HOLOCRYSTALLINE AND FINE-GRAINED, A PYX
PHENO AT 56CM;
Structure : VEINS ARE CA 1MM AND FILLED WITH CALCITE & ZEOLITE;
Comments : MEDIUM DARK GREY (N4) TO MEDIUM DARK BROWN GREY
(10YR4/1) BELOW 40CM;
Vesicles : Size(mm): <1-2 Percent:
INCREASING VESICULARITY TOWARDS BASE 1-3MM
AMYGDULES FILLED WITH ZEOLITE AND CALCITE (ONE,
1CM CALCITE) IN MIDDLE OF SECTION (40-120CM);
Replacement: CALCITE
ZEOLITE
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