Leg : 82 Top/Bottom Interval(mm): 120/1500 Analyst: Curtis, D.M.
Hole: 559 Sample Midpoint (m) : 1.50
Core: H 1 Top of Core Depth (m) : 0.00
Sect: 1 Top of Section Depth(m): 0.12
LITHOLOGY: SEDIMENT;
BASALT FRAGMENTS FROM WASH-DOWN ON CORE MARGIN;
Leg : 82 Top/Bottom Interval(mm): 0/ 450 Analyst: Neuser, R.
Hole: 559 Sample Midpoint (m) : 1.95
Core: H 1 Top of Core Depth (m) : 0.00
Sect: 2 Top of Section Depth(m): 1.50
LITHOLOGY: SEDIMENT;
Leg : 82 Top/Bottom Interval(mm): 450/ 600 Analyst: Neuser, R.
Hole: 559 Sample Midpoint (m) : 2.10
Core: H 1 Top of Core Depth (m) : 0.00
Sect: 2 Top of Section Depth(m): 1.95
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1 (45-50), 2 (50-58);
Texture : APHYRIC,APHANITIC TO GLASSY BASALT IN PCE 1 WITH
VARIOLITIC ZONE(<1MM VARIOLES);
Structure : PILLOW BASALT;
Alteration : MOD TO EXT
Comments : BASALT FRAGMENTS ARE DARK BROWN TO BROWN(10YR 3/3 TO
10YR 4/3),BLACK APHANITIC BASALT;
Vesicles : Size(mm): TO 3 Percent:
Location: Filling: CALCITE
SCATTERED VESICLES;
Replacement: CALCITE
CALCITE FILLS VESICLES;
Leg : 82 Top/Bottom Interval(mm): 0/ 250 Analyst: Neuser, R.
Hole: 559 Sample Midpoint (m) : 0.25
Core: H 1 Top of Core Depth (m) : 0.00
Sect: Top of Section Depth(m): 0.00
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1 (1-4), 3 (11-23);
Texture : PCE 1 IS BASALTIC GLASS WITH VARIOLES ON ONE EDGE
(<2MM),PCE 3 IS APHYRIC;
Structure : PCE 3 IS PILLOW BASALT WITH SMALL CALCITE VEINLETS;
Alteration : FRESH
PCE 1;
MOD TO EXT
PCE 3;
Comments : PCE 1 IS BLACK,PCE 3 IS BROWN TO DARK BROWN(10YR 4/3
TO 10YR 3/3);
Vesicles : Size(mm): TO 1.5 Percent:
Location: Filling:
Shape : ROUND
PCE 1 HAS EMPTY VESICLES;
Size(mm): 1.5-10 Percent:
Location: Filling: CALCITE
Shape : ROUND,IRREG
ROUND VESICLES(TO 1.5) & IRREGULAR VESICLES(TO
10MM) ARE EMPTY OR CALCITE-FILLED IN PCE 3;
Replacement: CALCITE
IN PCE 3 CALCITE FILLS SOME VESICLES & FILLS SMALL
VEINLETS;
Leg : 82 Top/Bottom Interval(mm): 70/ 100 Analyst: Neuser, R.
Hole: 559 Sample Midpoint (m) : 0.10
Core: H 1 Top of Core Depth (m) : 0.00
Sect: Top of Section Depth(m): 0.07
LITHOLOGY: SEDIMENT;
LIMESTONE;
Piece No. : PCE 2 (7-10);
Comments : ONE HALF IS LAMINATED;
Leg : 82 Top/Bottom Interval(mm): 0/ 100 Analyst: Brannon, J.
Hole: 559 Sample Midpoint (m) : 238.10
Core: 1 Top of Core Depth (m) : 238.00
Sect: 1 Top of Section Depth(m): 238.00
LITHOLOGY: SEDIMENT;
LIMESTONE;
Piece No. : PCE 1 (3-8);
Comments : DENDRITES THROUGHOUT(MN.OXIDES);
Replacement: MANGANESE OXIDE
DENDRITES OF MN.OXIDE;
Leg : 82 Top/Bottom Interval(mm): 100/1500 Analyst: Brannon, J.
Hole: 559 Sample Midpoint (m) : 239.50
Core: 1 Top of Core Depth (m) : 238.00
Sect: 1 Top of Section Depth(m): 238.10
LITHOLOGY: APHYRIC BASALT;
LIMESTONE;
Piece No. : PCES 2 (12-14), 3 (17-20), 4 (23-28), 5A (32-37),
5B (37-65), 6 (68-82), 7 (85-89), 8 (92-105),
9A (108-115), 9B (116-127), 10A (130-134),
10B (136-141), 10C (143-148);
Texture : APHYRIC,FINE-GRAINED,PCES 2-4 ARE VARIOLITIC,PCES
4-5A & TOP FRAGMENT OF PCE 6 & PCE 7 ALL HAVE GLASS
RIMS;
Structure : PCES 5A-6 HAVE THIN CALCITE-FILLED FRACTURES,PCES 7-
11C HAVE LIMESTONE-FILLED VERTICAL FRACTURES &
CALCITE-FILLED HORIZONTAL FRACTURES;
Alteration : MOD
PCES 2-4+9B-10A;
EXT
PCES 5A-9A+10B-10C;
Comments : PCES 2-4 ARE DARK GRAY(2.5Y N4/0),PCES 5A-6 ARE
GRAYISH-BROWN(10YR 5/2),PCES 7-10C ARE DARK GRAY
(5Y 4/1) WITH WEATHERED AREAS BROWN(10YR 5/3);
Vesicles : Size(mm): Percent: 30-40
PCES 2-3 HAVE EMPTY VESICLES;
Size(mm): Percent: 10
PCE 4 HAS EMPTY VESICLES;
Size(mm): Percent: 30
Location: Filling:
Shape : ROUND,IRREG
ROUND VESICLES CONCENTRATED IN PCES 5A+6 & UPPER
1CM OF PCE 5B,PCES 5B+6 HAVE 2-8MM ROUND & IRREG
VESICLES WITH IRREG VESICLES FILLED WITH CALCITE;
Size(mm): 2-8 Percent: 30
Location: Filling: CALCITE
Shape : IRREG
PCE 8;
Replacement: CALCITE
CALCITE FILLS FRACTURES OF PCES 5A-6 & HORIZONTAL
FRACTURES OF PCES 7-10C,CALCITE FILLS IRREGULAR
VESICLES OF PCES 5B+6+8;
Leg : 82 Top/Bottom Interval(mm): 0/ 50 Analyst: Neuser, R.
Hole: 559 Sample Midpoint (m) : 239.55
Core: 1 Top of Core Depth (m) : 238.00
Sect: 2 Top of Section Depth(m): 239.50
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCE 1 (1-4);
Texture : APHYRIC,VARIOLITIC WITH VARIOLES <4MM;
Structure : PILLOW BASALT;
Alteration : EXT
Comments : BROWN(10YR 5/3) BASALT;
Leg : 82 Top/Bottom Interval(mm): 50/ 110 Analyst: Neuser, R.
Hole: 559 Sample Midpoint (m) : 239.61
Core: 1 Top of Core Depth (m) : 238.00
Sect: 2 Top of Section Depth(m): 239.55
LITHOLOGY: SEDIMENT;
LIMESTONE;
Piece No. : PCE 2 (6-11);
Comments : BLACK DENDRITES OF MN.OXIDE;
Replacement: MANGANESE OXIDE
BLACK DENDRITES OF MN.OXIDE IN LIMESTONE;
Leg : 82 Top/Bottom Interval(mm): 110/ 300 Analyst: Neuser, R.
Hole: 559 Sample Midpoint (m) : 239.80
Core: 1 Top of Core Depth (m) : 238.00
Sect: 2 Top of Section Depth(m): 239.61
LITHOLOGY: BASALT BRECCIA;
LIMESTONE;
Piece No. : PCES 3 (12-19), 4 (22-30);
Comments : BASALT GLASS BRECCIA(HYALOCLASTITE),ANGULAR CLASTS
(RANGING FROM 1MM TO SEVERAL CM) OF VESICULAR
SIDEROMELANE,FRESH(BLACK) IN THE CENTER,ALTERED
BROWN AT THE RIMS,MATRIX IS LIMESTONE;
Vesicles : Size(mm): <2 Percent:
Location: Filling:
Shape : ROUND
Replacement: SIDEROMELANE
Leg : 82 Top/Bottom Interval(mm): 300/1500 Analyst: Neuser, R.
Hole: 559 Sample Midpoint (m) : 241.00
Core: 1 Top of Core Depth (m) : 238.00
Sect: 2 Top of Section Depth(m): 239.80
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
LIMESTONE;
Piece No. : PCES 5A (31-34), 5B (34-45), 5C (45-68), 6 (69-75),
7 (77-87), 8 (88-95), 9 (97-104), 10 (106-109),
11A (111-130), 11B (129-137), 12 (142-149);
Texture : APHYRIC,FINE-GRAINED,PCES 5A HAS GLASS RIM,PCE 12
IS APHANITIC;
Structure : PILLOW BASALT,VEIN FILLED WITH LUTITIC LIMESTONE;
Alteration : EXT
INTERVAL 31-38CM;
MOD
INTERVAL 38-150CM;
Comments : DARK GRAY(10YR 4/1) BASALT;
Vesicles : Size(mm): <2 Percent:
Location: Filling:
Shape : ROUND
HIGH CONCENTRATION OF VESICLES IN INTERVAL 41-52CM
& IN PCES 5A+5B;
Leg : 82 Top/Bottom Interval(mm): 0/1500 Analyst: Rideout, M.
Hole: 559 Sample Midpoint (m) : 242.50
Core: 1 Top of Core Depth (m) : 238.00
Sect: 3 Top of Section Depth(m): 241.00
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1A (1-4), 1B (5-9), 1C (10-14), 2A (17-27),
2B (27-29), 3A (30-42), 3B (42-49), 3C (50-55),
3D (56-62), 4 (64-72), 5A (74-83), 5B (83-87),
6 (89-98), 7A (100-105), 7B (105-115), 8A (116-119),
8B (119-125), 8C (124-137), 9 (137-148);
Texture : APHYRIC,APHANITIC,VARIOLITIC ZONES PRESENT,ABSENCE
OF CONSOLIDATED GLASS RELATIVE TO CORES 1-1 & 1-2 IS
STRIKING;
Structure : PILLOW BASALT,SOME LARGER CALCITE LINED CAVITIES ARE
PRESENT WITH THE LONGITUDINAL CALCITE VEINING IN
PCES 1A-1C+3C+7B+8C;
Alteration : MOD TO EXT
Comments : ALTERED BASALT GRADES FROM BROWN(10YR 5/3) TO DARK
GRAYISH-BROWN(10YR 4/2),APHANITIC BASALT IN PCES
2A+3D+7B+9 IS DARK GRAY(7.5YR N4/0) TO VERY DARK
GRAY(7.5YR N5/0);
Vesicles : Size(mm): 1-5 Percent:
Location: Filling: CALCITE
2 GENERATIONS OF VESICLES INDICATED-LARGE VESICLES
(2-5MM) ARE FILLED WITH CALCITE & THE SMALLER ONES
(1-2MM) ARE EMPTY;
Replacement: CALCITE
CALCITE VEINS,CALCITE LINES SOME CAVITIES,LARGE
VESICLES ARE CALCITE-FILLED;
Leg : 82 Top/Bottom Interval(mm): 0/ 450 Analyst: Rideout, M.
Hole: 559 Sample Midpoint (m) : 242.95
Core: 1 Top of Core Depth (m) : 238.00
Sect: 4 Top of Section Depth(m): 242.50
LITHOLOGY: SEDIMENT;
LIMESTONE;
BASALT GLASS;
Piece No. : PCES 1A (2-7), 1B (8-13), 5 (34-38), 6 (40-44);
Comments : LIMESTONE WITH GLASS CLASTS(1-3CM DIAMETER),
LIMESTONE SHOWS DENDRITIC PATTERN(MN.OXIDE OR
MN.HYDRX),GLASS CLASTS ARE SLIGHTLY ALTERED TO PALAG
AROUND THE RIMS & WITHIN THE CRACKS,VERY PALE BROWN
(10YR 8/4);
Replacement: MANGANESE OXIDE
MANGANESE HYDROXIDE
PALAGONITE
Minerals Replaced: GLASS
ALT.GLAS AROUND THE GLASS CLAST RIMS & WITHIN
CRACKS,MN.OXIDE & MN.HYDRX SHOW DENDRITIC PATTERN
WITHIN LIMESTONE;
Leg : 82 Top/Bottom Interval(mm): 0/ 450 Analyst: Rideout, M.
Hole: 559 Sample Midpoint (m) : 242.95
Core: 1 Top of Core Depth (m) : 238.00
Sect: 4 Top of Section Depth(m): 242.50
LITHOLOGY: BASALT GLASS;
LIMESTONE;
Piece No. : PCES 2 (15-21), 3 (23-25), 4 (27-33), 6 (40-44);
Comments : GLASS IS RELATIVELY FRESH & UNCRACKED,SOME FRACTURES
ARE OBSERVED & SUBSEQUENT PALAGONITIZATION HAS
OCCURRED,ACTUALLY THESE ARE EXCELLENT SAMPLES OF
HOLOXTLLN BASALT GLASS,PCE 6 IS PART GLASS & PART
LIMESTONE,GLASS IS BLACK(10YR 2.5/1);
Vesicles : Size(mm): 1-3 Percent:
VESICLES FOUND THROUGHOUT;
Replacement: PALAGONITE
Minerals Replaced: GLASS
ALT.GLAS IN FRACTURES;
Leg : 82 Top/Bottom Interval(mm): 0/1500 Analyst: Christie, D.M.
Hole: 559 Sample Midpoint (m) : 248.50
Core: 2 Top of Core Depth (m) : 247.00
Sect: 1 Top of Section Depth(m): 247.00
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
LIMESTONE;
Piece No. : PCES 1A (1-10), 1B (10-16), 1C (14-26), 1D (25-33),
2 (34-39), 3 (42-46), 4 (48-51), 5 (53-58),
6A (59-70), 6B (69-77), 6C (77-80), 6D (80-84),
6E (83-87), 7 (88-95), 8A (96-100), 8B (100-105),
8C (105-120), 8D (120-132), 9A (133-136),
9B (136-138), 9C (140-144), 9D (145-149);
Texture : APHYRIC,FINE-GRAINED BASALT WHICH GRADES THRU
VARIOLITIC BASALT & THEN THRU APHANITIC BASALT AS IT
APPROACHES GLASSY PILLOW MARGINS,PCES 9A-9B HAVE
THICK GLASS RINDS;
Structure : PILLOW BASALT;
Alteration : MOD
GLASS RINDS ON PCES 9A-9B ONLY WEAKLY
PALAGONITIZED;
Comments : DARK GRAY(10YR 4/1) BASALT,ALTERED BASALT VARIES
FROM DARK GRAYISH-BROWN(10YR 4/2) TO BROWN
(10YR 5/3),PCES 3+5 & LOWER PCE OF PCE 7 ARE VERY
PALE BROWN LIMESTONE & GENERALLY WITH BLACK MN.OXIDE
DENDRITES;
Vesicles : Size(mm): TO 5 Percent: 1-5
Location: Filling: CALCITE
Shape : ROUND,IRREG
SMALL ROUND UNFILLED VESICLES ARE CONCENTRATED
NEAR PILLOW MARGINS,SCATTERED IRREG LARGER
VESICLES ARE GENERALLY CALCITE-FILLED;
Replacement: CALCITE
CALCITE FILLS SOME VESICLES;
PALAGONITE
Minerals Replaced: GLASS
ALT.GLAS IN RINDS OF PCES 9A+9B;
MANGANESE OXIDE
BLACK MN.OXIDE DENDRITES IN LIMESTONE OF PCES
3+5 & LOWER PCE OF PCE 7;
Leg : 82 Top/Bottom Interval(mm): 0/1450 Analyst: Rideout, M.
Hole: 559 Sample Midpoint (m) : 249.95
Core: 2 Top of Core Depth (m) : 247.00
Sect: 2 Top of Section Depth(m): 248.50
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1A (0-25), 1B (24-33), 1C (33-38), 1D (37-47),
1E (48-57), 1F (58-63), 1G (58-63), 3A (104-111),
3B (111-116), 4A (119-128), 4B (128-135),
5 (138-141);
Texture : APHYRIC,APHANITIC,SPARSELY TO MOD PHYRIC BASALT
CONCENTRATED @ PILLOW BOUNDARIES;
Structure : PILLOW BASALT;
Alteration : MOD
BOUNDARIES OF LESS ALTERED PILLOW CORES WITHIN
ALTERED PCES IS CLEAR;
Comments : ALTERED BASALT VARIES FROM BROWN(10YR 5/3) TO DARK
GRAYISH-BROWN(10YR 4/2),PCES 1A-1G OF APHANITIC
BASALT ARE DARK GRAY(7.5YR N4/0) TO VERY DARK GRAY
(7/5YR N5/0);
Vesicles : Size(mm): 3-7 Percent:
Location: Filling: CALCITE
LARGE VESICLES ARE CONCENTRATED IN THE HIGHLY
ALTERED UPPER PCES OF PCES 1A+3A & A FEW IN PCE
4B;
Size(mm): 1-2 Percent:
SCATTERED SMALL & EMPTY VESICLES;
Replacement: CALCITE
CALCITE FILLS SOME VESICLES;
Leg : 82 Top/Bottom Interval(mm): 650/1020 Analyst: Rideout, M.
Hole: 559 Sample Midpoint (m) : 249.52
Core: 2 Top of Core Depth (m) : 247.00
Sect: 2 Top of Section Depth(m): 249.15
LITHOLOGY: SEDIMENT;
LIMESTONE;
Piece No. : PCES 2A (65-78), 2B (78-82), 2C (83-86), 2D (86-93),
2E (94-98), 2F (98-102);
Comments : LIMESTONE WITH GLASS CLASTS;
Alteration : FRESH TO MOD
Leg : 82 Top/Bottom Interval(mm): 0/1350 Analyst: Christie, D.M.
Hole: 559 Sample Midpoint (m) : 251.35
Core: 2 Top of Core Depth (m) : 247.00
Sect: 3 Top of Section Depth(m): 250.00
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1A (0-6), 1B (6-10), 1C (10-15), 2A (16-27),
2B (27-34), 3 (35-47), 4A (49-60), 4B (60-70),
4C (70-80), 4D (80-89), 4E (88-94), 4F (94-107),
4G (107-124), 4H (124-135);
Texture : APHYRIC,FINE-GRAINED,SAME AS IN CORE 2-1;
Structure : PILLOW BASALT,CALCITE VEINING;
Alteration : MOD
Vesicles : Size(mm): TO 2 Percent:
Location: Filling:
Shape : ROUND
ROUND GENERALLY UNFILLED VESICLES SPARSELY
DISTRIBUTED THROUGHOUT-CONCENTRATED TO 5-10% NEAR
UPPER PILLOW MARGINS;
Size(mm): Percent: TO 5
Location: Filling: CALCITE
Shape : IRREGULAR
LARGE IRREGULAR CALCITE-FILLED VESICLES
CONCENTRATED NEAR UPPER PILLOW MARGINS;
Replacement: CALCITE
CALCITE FILLS LARGER VESICLES,CALCITE VEINING;
Leg : 82 Top/Bottom Interval(mm): 0/ 300 Analyst: Christie, D.M.
Hole: 559 Sample Midpoint (m) : 256.30
Core: 3 Top of Core Depth (m) : 256.00
Sect: 1 Top of Section Depth(m): 256.00
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
LIMESTONE;
Piece No. : PCES 1 (0-5), 2 (7-14), 3 (16-19), 4 (20-24),
5 (26-30);
Texture : PCE 1 IS FINE-GRAINED APHYRIC BASALT,PCES 2-5 HAVE
BASALT GLASS WHICH GRADES THRU APHANITIC BASALT TO
VARIOLITIC BASALT;
Structure : PILLOW BASALT,FRACTURED SURFACES;
Alteration : MOD
PCE 1;
FRESH TO MOD
PALAG RIMS ON EXTERIOR & FRACTURED SURFACES;
Comments : PCE 1 IS ALTERED TO GRAYISH-BROWN(10YR 6/2),BASALT
GLASS IS BLACK,VARIOLITIC BASALT IS GRAYISH-BROWN
(10YR 6/2),APHANITIC BASALT IS BLACK,LIMESTONE IN
PCES 2+5 IS BROWN(7.5YR 5/2) & FILLS INTERPILLOW
VOIDS;
Vesicles : SPARSELY VESICULAR BASALT;
Replacement: PALAGONITE
PALAG RIMS ON EXTERIOR & FRACTURED SURFACES RANGIN
FROM 1-4MM THICK;
Leg : 82 Top/Bottom Interval(mm): 0/1500 Analyst: Rideout, M.
Hole: 559 Sample Midpoint (m) : 258.00
Core: 4 Top of Core Depth (m) : 256.50
Sect: 1 Top of Section Depth(m): 256.50
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
LIMESTONE;
Piece No. : PCES 1 (0-4), 2A (5-8), 2B (7-11), 3 (13-20),
4 (21-33), 5A (34-37), 5B (37-50), 5C (50-55),
5D (54-61), 6 (64-70), 7A (72-73), 7B (73-78),
7C (79-86), 8A (88-91), 8B (92-96), 9A (99-125),
9B (121-136), 10 (138-144), 11 (145-150);
Texture : APHYRIC,GLASS RIMS GRADE INTO APHANITIC BASALT WHICH
THEN GRADES INTO VARIOLITIC BASALT;
Structure : PILLOW BASALT,CALCITE VEINS;
Alteration : FRESH TO MOD
PCE 2-3 & 7-11;
MOD
PCE 1, 4-6;
Comments : BLACK GLASS RIMS(10YR 2.5/1),BLACK APHANITIC BASALT,
VARIOLITIC BASALT VARIES FROM YELLOWISH-BROWN TO
GRAYISH-BROWN(10YR 5/6 TO 10YR 5/2),IN SOME PCES
UNALTERED DARK GRAY(10YR 4/1) CORES OF APHANITIC
BASALT ARE FOUND SET WITHIN BROWN ALTERED BASALT,
PCES 3-4+6+11 ARE LIMESTONE WITH GLASS PILLOW RIMS
WITH THE LIMESTONE VARYING IN COLOR FROM BROWNISH-
YELLOW(10YR 6/8) TO VERY PALE BROWN(10YR 8/4) TO
WHITE(10YR 8/2) TO VERY PALE BROWN(10YR 8/3) TO
LIGHT GRAY(10YR 7/0)-DENDRITIC PATTERNS OF MN.OXIDES
OR MN.HYDRX(?) ARE PRESENT IN ALL PCES & GLASS IS
SLIGHTLY PALAGONITIZED(MORE SO IN FRACTURE CRACKS &
EDGES);
Vesicles : Size(mm): 2-7 Percent:
Location: Filling: CALCITE
SOME VESICLES ARE FILLED WITH CALCITE,VESICLES IN
CALCITE VEINS ARE LINED WITH SPARRY CALCITE;
Size(mm): TO 1 Percent:
SMALL EMPTY VESICLES ARE PRESENT IN APHANITIC &
VARIOLITIC TRANSITION ZONES(DEMARCATING PILLOW
INTERFACES);
Replacement: PALAGONITE
Minerals Replaced: GLASS
GLASS IS SLIGHTLY PALAGONITIZED IN LIMESTONE;
MANGANESE OXIDE
MANGANESE HYDROXIDE
MN.OXIDE OR MN.HYDRX(?) IN DENDRITIC PATTERNS
WITHIN LIMESTONE;
CALCITE
CALCITE VEINS,CALCITE FILLS SOME VESICLES,VESICLES
IN CALCITE VEINS ARE LINED WITH SPARRY CALCITE;
Leg : 82 Top/Bottom Interval(mm): 0/1400 Analyst: Rideout, M.
Hole: 559 Sample Midpoint (m) : 259.40
Core: 4 Top of Core Depth (m) : 256.50
Sect: 2 Top of Section Depth(m): 258.00
LITHOLOGY: SEDIMENT;
LIMESTONE;
Piece No. : PCES 1 (1-5), 6 (99-107);
Comments : SIMILAR TO LIMESTONE IN CORE 4-1,CONTAINS LARGE
GLASS FRAGMENT WHICH IS PALAGONITIZED ALONG FRACTURE
JOINTS & EDGES;
Replacement: PALAGONITE
Minerals Replaced: GLASS
GLASS FRAGMENT IS PALAGONITIZED IN LIMESTONE;
Leg : 82 Top/Bottom Interval(mm): 0/1400 Analyst: Rideout, M.
Hole: 559 Sample Midpoint (m) : 259.40
Core: 4 Top of Core Depth (m) : 256.50
Sect: 2 Top of Section Depth(m): 258.00
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 2A (7-10), 2B (10-14), 2C (14-16), 2D (16-18),
2E (17-19), 3 (21-27), 4 (29-36), 5A (37-53),
5B (53-70), 5C (70-90), 5D (90-97), 7 (109-114),
8A (116-120), 8B (116-127), 8C (125-139);
Texture : APHYRIC,SIMILAR TO CORE 4-1 BUT WITH LESS TOTAL
GLASS;
Structure : PILLOW BASALT,CALCITE VEINS;
Alteration : MOD
FRESH TO MOD
PCE 6;
Comments : GRADATION OF BROWN ALTERED BASALT TO CORES OF
UNALTERED BASALT IS LESS CLEAR THAN IN CORE 4-1(MUCH
MORE SUBTLE & FUZZY);
Vesicles : VESICLE PATTERN IS THE SAME AS CORE 4-1 WITH FEWER
LARGE VESICLES ABOUT CALCITE VEINS;
Replacement: CALCITE
CALCITE VEINS;
Leg : 82 Top/Bottom Interval(mm): 0/ 450 Analyst: Rideout, M.
Hole: 559 Sample Midpoint (m) : 259.95
Core: 4 Top of Core Depth (m) : 256.50
Sect: 3 Top of Section Depth(m): 259.50
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1A (0-10), 1B (5-13), 2 (14-20), 3 (22-27),
4A (28-33), 4B (33-43);
Texture : APHYRIC,APHANITIC BORDERS ARE VERY CLEAR AS COMPARED
TO CORE 4-2,OVERALL SIMILAR TO CORE 4-2;
Structure : PILLOW BASALT;
Alteration : MOD
Leg : 82 Top/Bottom Interval(mm): 0/1500 Analyst: Drake, N.
Hole: 559 Sample Midpoint (m) : 266.50
Core: 5 Top of Core Depth (m) : 265.00
Sect: 1 Top of Section Depth(m): 265.00
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
LIMESTONE;
Piece No. : PCES 1 (1-4), 2 (6-10), 3A (12-43), 3B (42-51),
3C (52-64), 3D (64-71), 3E (70-79), 3F (80-87),
4 (91-96), 5A (97-107), 5B (107-111), 5C (113-118),
5D (119-134), 5E (132-140), 6 (142-148);
Texture : APHYRIC,VARIOLITIC TEXTURE GRADES TO APHANITIC THEN
TO GLASS RIMS IN SOME CASES,PCES 1+5C ARE MOSTLY
GLASS CLASTS;
Structure : PILLOW BASALT,MINOR CALCITE VEINING THROUGHOUT;
Alteration : FRESH
PCES 1+5C;
EXT
PCES 2+3C-3E+5A-5B;
MOD
PCES 3A-3B+3F-4+5D-6;
Comments : APHYRIC BASALT PILLOWS RANGE FROM GRAY(10YR 5/1) TO
PALE BROWN(10YR 6/3),PCES 1+5C ARE MOSTLY GLASS
CLASTS IN PINKISH-GRAY(7.5YR 6/2) LIMESTONE MATRIX,
PCE 4 IS PINKISH-GRAY(7.5YR 7/2) LIMESTONE WITH SOME
DENDRITIC PATTERN(MN.OX?);
Vesicles : Size(mm): 1-2 Percent:
Location: Filling:
Shape : ROUNDED
ROUNDED EMPTY VESICLES IN APHANITIC BASALT;
Size(mm): 1-10 Percent:
Location: Filling: CALCITE
Shape : ROUND,IRREG
ROUNDED & IRREG VESICLES FILLED WITH CALCITE FOUND
IN VARIOLITIC PART;
Replacement: CALCITE
MINOR CALCITE VEINING THROUGHOUT,CALCITE FILLS
VESICLES IN VARIOLITIC PART;
UNIDENTIFIED
Minerals Replaced: GLASS
ALT.GLAS IN PCE 4;
PALAGONITE
Minerals Replaced: GLASS
PALAGONITIZED RIMS ON PCES 1+5C;
MANGANESE OXIDE
ID MN.OX UNCERTAIN-POSSIBLY FORMING DENDRITIC
PATTERN IN LIMESTONE;
Leg : 82 Top/Bottom Interval(mm): 0/1500 Analyst: Drake, N.
Hole: 559 Sample Midpoint (m) : 268.00
Core: 5 Top of Core Depth (m) : 265.00
Sect: 2 Top of Section Depth(m): 266.50
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
LIMESTONE;
Piece No. : PCES 1 (0-7), 2 (8-14), 3 (15-20), 4A (21-37),
4B (36-42), 5 (43-49), 6 (52-56), 7 (58-63),
8 (65-74), 9A (75-90), 9B (90-107), 9C (107-114),
9D (114-125), 9E (124-144), 9F (144-150);
Texture : APHYRIC,MOSTLY SIMILAR TO CORE 5-1,APHANITIC,
VARIOLITIC,PCES 6+8+9A-9C HAVE GLASS RIMS,GLASS IN
PCES 1-3;
Structure : PILLOW BASALT,CALCITE VEINING;
Alteration : MOD
PCES 1-3+5-8+9C;
EXT
PCES 4A-4B+9A-9B+9D-9F;
Comments : BLACK APHANITIC BASALT,BLACK GLASS RIMS,PCES 1-3 ARE
MADE UP OF GLASS IN LIMESTONE MATRIX;
Vesicles : Size(mm): 1-2 Percent:
Location: Filling:
Shape : ROUNDED
ROUNDED EMPTY VESICLES IN APHANITIC BASALT;
Size(mm): 1-10 Percent:
Location: Filling: CALCITE
Shape : ROUND,IRREG
ROUNDED & IRREG VESICLES FILLED WITH CALCITE FOUND
IN THE MORE ALTERED CORES OF THE PILLOWS & TOP
VARIOLITIC EDGES;
Replacement: CALCITE
CALCITE VEINING,CALCITE FILLS SOME VESICLES;
CLAY MINERALS
SOME APHANITIC BASALT ALTERED TO CLAY.MIN;
UNIDENTIFIED
Minerals Replaced: GLASS
MOD ALT.GLAS;
Leg : 82 Top/Bottom Interval(mm): 0/1150 Analyst: Drake, N.
Hole: 559 Sample Midpoint (m) : 269.15
Core: 5 Top of Core Depth (m) : 265.00
Sect: 3 Top of Section Depth(m): 268.00
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1 (0-7), 2 (8-30), 3 (31-39), 4 (41-52),
5A (53-57), 5B (57-61), 5C (61-65), 6 (67-71),
7A (74-90), 7B (89-95), 8A (97-106), 8B (106-115);
Texture : APHYRIC,GLASS RIMS GRADE TO APHANITIC BASALT &
VARIOLITES,SIMILAR TO CORES 5-1 & 5-2;
Structure : PILLOW BASALT;
Alteration : MOD
PCES 1+5A-6 & UPPER 4CM OF PCE 2 & LOWER 6CM OF
PCE 8B;
EXT
PCES 3-4+7A-8A & LOWER 20CM OF PCE 2 & UPPER 3CM
OF PCE 8B;
Comments : BLACK APHANITIC BASALT;
Vesicles : Size(mm): 1-3 Percent:
Location: Filling:
Shape : ROUNDED
ROUNDED EMPTY VESICLES IN APHANITIC BASALT,SIMILAR
TO CORES 5-1 & 5-2;
Size(mm): 1-12 Percent:
Location: Filling: CALCITE
Shape : ROUND,IRREG
ROUNDED TO IRREG CALCITE-FILLED VESICLES FOUND IN
MORE ALTERED UPPER VARIOLITIC EDGES OF PILLOWS;
Replacement: CALCITE
CALCITE FILLS SOME VESICLES;
Leg : 82 Top/Bottom Interval(mm): 0/1350 Analyst: Drake, N.
Hole: 559 Sample Midpoint (m) : 275.35
Core: 6 Top of Core Depth (m) : 274.00
Sect: 1 Top of Section Depth(m): 274.00
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1 (0-29), 2A (31-44), 2B (41-53), 2C (54-59),
2D (58-65), 3 (68-79), 4 (81-85), 5 (86-94),
6 (96-102), 7 (104-117), 8A (118-126), 8B (126-132),
8C (132-135);
Texture : APHYRIC,SIMILAR TO CORE 5,SEVERAL AREAS GRADE FROM
ALTERED CORE THRU VARIOLITIC TEXTURE THRU APHANITIC
BASALT WITH SOME GLASS RIMS;
Structure : PILLOW BASALT,MINOR CALCITE VEINING IN FRACTURES
THROUGHOUT SECTION;
Alteration : EXT
PCES 1-3+7-8A;
MOD
PCES 4-6+8B-8C;
Comments : COLOR OF BASALT RANGES FROM DARK GRAY(10YR 4/1) TO
GRAYISH BROWN(10YR 5/2) TO BROWN(10YR 5/3),BLACK
APHANITIC BASALT;
Vesicles : Size(mm): TO 10 Percent:
Location: Filling: CALCITE
Shape : ROUND,IRREG
ROUNDED TO IRREGULAR CALCITE-FILLED VESICLES IN
ALTERED PARTS;
Size(mm): 1-3 Percent:
Location: Filling:
Shape : ROUND
ROUNDED EMPTY VESICLES FOUND IN APHANITIC BASALT;
Replacement: CALCITE
MINOR CALCITE VEINING,CALCITE FILLS VESICLES IN
ALTERED PARTS;
Leg : 82 Top/Bottom Interval(mm): 0/1250 Analyst: Neuser, R.
Hole: 559 Sample Midpoint (m) : 276.75
Core: 6 Top of Core Depth (m) : 274.00
Sect: 2 Top of Section Depth(m): 275.50
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1A (1-21), 1B (18-32), 1C (32-44), 2A (46-55),
2B (55-59), 3 (62-69), 4 (72-79), 5 (81-87),
6 (90-94), 7 (96-104), 8A (105-116), 8B (117-124);
Texture : APHYRIC,FINE-GRAINED,VITRIC COOLING MARGINS OCCUR ON
PCES 2A+3+4-6+8A-8B,SOME PCES SHOW VARIOLITIC
TRANSITION TO INTERIOR OF PILLOWS;
Structure : PILLOW BASALT,FRACTURES & VEINLETS ARE USUALLY
FILLED WITH CALCITE;
Alteration : MOD
PCES 1A-1B,TOP 9CM PCE 1C,TOP & BOTTOM 4CM PCE 4;
EXT
LOWER 3CM OF PCE 1C,PCES 2A-2B,TOP TWO FRAGMENTS
OF PCE 3,MIDDLE 3CM OF PCE 4,LOWER 6CM OF PCE 8A,
UPPER 4CM OF PCE 8B;
FRESH
LARGEST FRAGMENT OF PCE 3;
FRESH TO MOD
PCES 5-7,UPPER 4CM OF PCE 8A,LOWER 2CM OF PCE 8B;
Comments : COLOR OF BASALT RANGES FROM DARK GRAY(10YR 4/1) TO
BROWN(10YR 5/3);
Vesicles : Size(mm): TO 2 Percent:
Location: Filling:
Shape : ROUND
ROUNDED EMPTY VESICLES;
Size(mm): TO 10 Percent:
Location: Filling: CALCITE
Shape : IRREGULAR
IRREGULAR VESICLES FOUND IN FRESHER PARTS OF THE
BASALT ARE MOSTLY EMPTY WITH A FEW CALCITE-FILLED;
Replacement: CALCITE
CALCITE FOUND IN VEINS & FRACTURES,CALCITE FILLS
SOME VESICLES IN FRESHER PARTS OF BASALT;
Leg : 82 Top/Bottom Interval(mm): 0/ 750 Analyst: Neuser, R.
Hole: 559 Sample Midpoint (m) : 277.75
Core: 6 Top of Core Depth (m) : 274.00
Sect: 3 Top of Section Depth(m): 277.00
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1 (1-33), 2 (37-48), 3 (53-59), 4 (62-66),
5 (68-75);
Texture : APHYRIC,FINE-GRAINED,SOME GLASS MARGINS IN PCES
2+4-5,SIMILAR TO CORE 6-2,VARIOLITES IN PCES 2+5;
Structure : PILLOW BASALT;
Alteration : MOD TO EXT
PCES 1&5;
EXT
PCE 3;
FRESH TO MOD
PCES 2 & 4;
Leg : 82 Top/Bottom Interval(mm): 0/1500 Analyst: Neuser, R.
Hole: 559 Sample Midpoint (m) : 284.50
Core: 7 Top of Core Depth (m) : 283.00
Sect: 1 Top of Section Depth(m): 283.00
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1A (2-4), 1B (4-7), 2 (10-14), 3 (15-20),
4 (21-35), 5A (37-49), 5B (49-51), 6 (54-63),
7 (65-71), 8 (73-80), 9 (83-88), 10 (90-98),
11 (100-105), 12A (107-115), 12B (111-124),
12C (124-134), 12D (134-140), 12E (140-149);
Texture : PCES 1A-2 ARE MADE UP OF GLASS & APHANITIC BASALT,
PCE 2 SHOWS SOME VARIOLES(<2MM),PCES 3-5B+9-12E ARE
FINE-GRAINED & APHYRIC,PCES 6-8 SHOW VARIOLITIC
TRANSITION FROM FINE-GRAINED TO APHANITIC BASALT;
Structure : PILLOW BASALT,FRACTURED,CALCITE-FILLED VEINLETS;
Alteration : FRESH
PCES 1A-2;
MOD
PCES 3-5B+12A-12E,ALTERED AREAS NEXT TO FRACTURES;
FRESH TO MOD
PCES 6-11;
Comments : PCES 1A-2 HAVE BLACK GLASS,PCES 3-5B+9-12E RANGE IN
COLOR FROM DARK GRAY(2.5Y N4/0) TO DARK GRAYISH-
BROWN(2.5Y 4/2);
Vesicles : Size(mm): TO 1.5 Percent:
Location: Filling:
Shape : ROUND
ROUNDED EMPTY VESICLES;
Size(mm): TO 12 Percent:
Location: Filling: CALCITE
Shape : IRREGULAR
IRREGULAR VESICLES MOSTLY FILLED WITH CALCITE,PCES
1A-2 HAVE VESICLES THAT ARE COMMON & MOSTLY EMPTY;
Replacement: CALCITE
CALCITE FILLS VEINLETS & FILLS SOME VESICLES;
Leg : 82 Top/Bottom Interval(mm): 0/1500 Analyst: Neuser, R.
Hole: 559 Sample Midpoint (m) : 286.00
Core: 7 Top of Core Depth (m) : 283.00
Sect: 2 Top of Section Depth(m): 284.50
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1A (1-10), 1B (9-15), 2 (16-22), 3 (24-30),
4 (32-46), 5 (47-52), 6A (53-61), 6B (71-81),
7 (83-88), 8A (90-113), 8B (111-129), 8C (129-148);
Texture : APHYRIC,FINE-GRAINED,PCES 2+4-8C SHOW VARIOLITIC
TEXTURE;
Structure : PILLOW BASALT;
Alteration : MOD
PCES 1A+8B-8C & LOWER 5CM OF PCE 8A;
MOD TO EXT
PCES 1B-7 & UPPER 18CM OF PCE 8A;
Comments : BASALT VARIES IN COLOR FROM GRAY(2.5Y N4/0) TO DARK
GRAYISH-BROWN(2.5Y 4/2);
Vesicles : Size(mm): TO 2 Percent:
Location: Filling: CALCITE
Shape : ROUND
ROUNDED VESICLES ARE FILLED WITH CALCITE IN
ALTERED PART OF ROCK,VESICLES IN APHANITIC ROCK
ARE EMPTY;
Size(mm): TO 8 Percent:
Location: Filling: CALCITE
Shape : IRREGULAR
Replacement: CALCITE
CALCITE FILLS ROUND VESICLES FOUND IN ALTERED PART
OF ROCK & ALSO IRREGULAR VESICLES;
Leg : 82 Top/Bottom Interval(mm): 0/1500 Analyst: Drake, N.
Hole: 559 Sample Midpoint (m) : 287.50
Core: 7 Top of Core Depth (m) : 283.00
Sect: 3 Top of Section Depth(m): 286.00
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1 (0-10), 2A (11-21), 2B (20-29), 3 (30-50),
4 (53-58), 5 (62-75), 6 (76-96), 7A (97-102),
7B (103-120), 8 (120-129), 9 (130-136),
10 (138-149);
Texture : APHYRIC,PCE 1 FINE-GRAINED WITH GLASS CHILLED
MARGIN,PCES 2A-10 ARE COARSER-GRAINED(BUT STILL
FINE) THAN PCE 1,APHANITIC BASALT MARGINS VISIBLE IN
PCES 3+5;
Structure : PILLOW BASALT;
Alteration : EXT
PCES 1+3,LOWER 4CM OF PCE 2B;
MOD
PCES 2A+4-5,UPPER 5CM OF PCE 2B,UPPER 10CM OF
PCE 6;
Comments : PCE 1 IS GRAY(2.5Y N5/0),PCES 2A-10 ARE YELLOWISH-
GRAY(5Y 5/1);
Vesicles : Size(mm): TO 3 Percent: 5
Location: Filling: CALCITE
Shape : ROUND,IRREG
ROUNDED & IRREG VESICLES ARE CALCITE-FILLED IN
ALTERED PART OF ROCK,PCES 3+5;
Size(mm): Percent: TO 2
Location: Filling:
Shape : ROUND
ROUND EMPTY VESICLES FOUND IN APHANITIC MARGINS &
ARE ALSO IN ALTERED PART OF ROCK NEAR MARGINS;
Size(mm): TO 2 Percent: 5
Location: Filling: CALCITE
Shape : ROUND
PCE 9;
Size(mm): TO 2 Percent: <1
EMPTY VESICLES ON EDGE OF PCE 9;
Groundmass : PLAGIOCLASE
Size(mm): 1-3
VERY FINE VISIBLE PLAG NEEDLES;
UNIDENTIFIED
VERY FINE EQUANT GRAINS THAT ARE OLIVE-BROWN TO
REDDISH-BROWN IN COLOR;
Replacement: CALCITE
CALCITE FILLS SOME VESICLES;
Leg : 82 Top/Bottom Interval(mm): 0/ 250 Analyst: Drake, N.
Hole: 559 Sample Midpoint (m) : 287.75
Core: 7 Top of Core Depth (m) : 283.00
Sect: 4 Top of Section Depth(m): 287.50
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1 (1-11), 2 (12-25);
Texture : APHYRIC,FINE-GRAINED,SIMILAR TO PCE 1 OF CORE 7-3;
Structure : PILLOW BASALT;
Alteration : EXT
Leg : 82 Top/Bottom Interval(mm): 0/1300 Analyst: Drake, N.
Hole: 559 Sample Midpoint (m) : 293.30
Core: 8 Top of Core Depth (m) : 292.00
Sect: 1 Top of Section Depth(m): 292.00
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1A (0-23), 1B (23-55), 1C (55-58), 2A (59-63),
2B (63-66), 3 (68-75), 4A (76-90), 4B (89-93),
4C (94-102), 5A (104-108), 5B (108-118),
5C (118-130);
Texture : APHYRIC,FINE-GRAINED(COARSER GRAINED THAN PREVIOUS
UNIT),PCES 1A-1B+3-5C ARE SIMILAR TO CORES 7-3
(EXCEPT PCE 1) & 7-4,PCES 1C-3 ARE APHANITIC WITH
GLASS CHILL MARGINS;
Structure : PILLOW BASALT,CALCITE-FILLED FRACTURES MORE ABUNDANT
THAN IN PREVIOUS UNIT;
Alteration : MOD
PCES 1A-3;
EXT
PCES 4A-4C;
MOD TO EXT
PCES 5A-5C;
Vesicles : Size(mm): TO 2 Percent: 2
Location: Filling:
Shape : ROUND
ROUNDED EMPTY VESICLES IN PCES 1B-4A;
Size(mm): TO 3 Percent: 5
Location: Filling: CALCITE
Shape : ROUND,IRREG
ROUND & IRREG CALCITE-FILLED VESICLES IN PCES
4A+5A-5B;
Replacement: CALCITE
CALCITE FILLED-FRACTURES,CALCITE FILLS SOME
VESICLES;
Leg : 82 Top/Bottom Interval(mm): 0/1450 Analyst: Neuser, R.
Hole: 559 Sample Midpoint (m) : 294.95
Core: 8 Top of Core Depth (m) : 292.00
Sect: 2 Top of Section Depth(m): 293.50
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1A (1-15), 1B (15-29), 2 (33-36), 3A (39-58),
3B (60-65), 4A (67-70), 4B (70-73), 4C (73-75),
5A (76-83), 5B (83-95), 5C (94-98), 6 (101-105),
7 (107-120), 8A (121-128), 8B (127-132),
9 (134-138), 10 (140-145);
Texture : APHYRIC,FINE-GRAINED,PARTLY VARIOLITIC TRANSITION
FROM ALTERED INNER PART TO FRESHER APHANITIC(RIM)
PART OF PILLOW,GLASS OCCURS ON PCES 5A+8A;
Structure : PILLOW BASALT;
Alteration : MOD TO EXT
PCES 1A-4C;
FRESH TO EXT
PCES 5A-10;
MOD
GLASS RIM ON PCE 8A;
Comments : BASALT VARIES FROM DARK GRAY(2.5Y N4/0) TO DARK
GRAYISH-BROWN(2.5Y 4/2);
Vesicles : Size(mm): 3.5 Percent:
Location: Filling: CALCITE
Shape : ROUND
ROUNDED VESICLES ARE COMMON IN PCES 3A+7-10 & ARE
CALCITE-FILLED IN ALTERED REGIONS OF ROCK;
Replacement: CALCITE
CALCITE FILLED-VESICLES IN ALTERED REGIONS OF
ROCK;
Leg : 82 Top/Bottom Interval(mm): 0/ 850 Analyst: Drake, N.
Hole: 559 Sample Midpoint (m) : 295.85
Core: 8 Top of Core Depth (m) : 292.00
Sect: 3 Top of Section Depth(m): 295.00
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1A (0-24), 1B (24-44), 2 (46-52), 3 (53-60),
4 (63-68), 5A (70-74), 5B (74-78), 5C (79-82);
Texture : APHYRIC,SIMILAR CHARACTERISTICS AS IN CORES 8-1 &
8-2;
Structure : PILLOW BASALT;
Alteration : MOD
PCE 1A;
MOD TO EXT
PCE 5C,UPPER 8CM OF PCE 1B;
EXT
PCES 2+4-5B,LOWER 9CM OF PCE 1B;
FRESH
PCE 3;
Vesicles :
Location: Filling: CALCITE
SIMILAR VESICLES TO THOSE FOUND IN ALTERED AREAS
OF ROCK IN CORES 8-1 & 8-2;
Replacement: CALCITE
CALCITE FILLED-VESICLES IN ALTERED REGIONS OF
ROCK;
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