Leg : 29 Top/Bottom Interval(mm): 800/1180 Analyst: Gostin, V.
Hole: 282 Sample Midpoint (m) : 295.18
Core: 18 Top of Core Depth (m) : 294.00
Sect: 1 Top of Section Depth(m): 294.80
LITHOLOGY: SEDIMENT (SILTSTONE);
Leg : 29 Top/Bottom Interval(mm): 1180/1500 Analyst: Gostin, V.
Hole: 282 Sample Midpoint (m) : 295.50
Core: 18 Top of Core Depth (m) : 294.00
Sect: 1 Top of Section Depth(m): 295.18
LITHOLOGY: BASALT;
Texture : FELDSPAR LATHS STILL SHOW THEIR ORIGINAL
SUB-STELLATE TO SUB-SPINIFEX (QUENCH) TEXTURE;
Comments : ALL WEATHERED BASALT, FOR ADDITIONAL INFORMATION
SEE CORE FORM AND LITHOLOGIC DESCRIPTION OF THE
INITIAL REPORTS;
Leg : 29 Top/Bottom Interval(mm): 0/1500 Analyst: Gostin, V.
Hole: 282 Sample Midpoint (m) : 297.00
Core: 18 Top of Core Depth (m) : 294.00
Sect: 2 Top of Section Depth(m): 295.50
LITHOLOGY: BASALT;
Piece No. : PCES 1 (0-7), 2 (7-15), 3 (15-18), 4 (18-24),
5 (24-32), 6 (32-40), 7 (40-45), 8 (45-51),
9 (51-58), 10 (58-63), 11 (63-72), 12 (72-82),
13 (82-86), 14 (86-90), 15 (90-100), 16 (102-106),
17 (106-110), 18 (110-116), 19 (120-126),
20 (126-131), 21 (132-144);
Texture : BLACK TO GREENISH BLACK GLASS RINDS ON PCES 16 + 18
+ 19 + 20, SACCHAROIDAL CARBONATE WITH LITHIC
FRAGMENTS;
Structure : WEATHERING ZONES IN FROM THE FRACTURES, SACCHAROIDAL
CARBONATE WITH LITHIC FRAGMENTS;
Comments : WEATHERING ZONES IN FROM THE FRACTURES,
INTENSELY WEATHERED BASALT, SACCHAROIDAL CARBONATE
WITH LITHIC FRAGMENTS, ON PCES 9 AND 10 A CARBONATE
ROCK WITH PYRITE - COULD BE BAKED SEDIMENT - SOME
SECONDARY CALCITE PRECIPITATED IN A PARTLY FILLED
GEODE ON BASE OF PCE 9, BLACK TO GREENISH GLASS
RINDS ON PCES 16 + 18 + 19 + 20;
Vesicles :
Location: Filling: CALCITE
SOME SECONDARY CALCITE PRECIPITATED IN A PARTLY
FILLED GEODE ON BASE OF PCE 9;
Groundmass : GLASS
SEE PCES 5 AND 6;
Replacement: PYRITE
IN PCES 9 AND 10 A CARBONATE ROCK WITH PYRITE;
Leg : 29 Top/Bottom Interval(mm): 0/1470 Analyst: Gostin, V.
Hole: 282 Sample Midpoint (m) : 298.47
Core: 18 Top of Core Depth (m) : 294.00
Sect: 3 Top of Section Depth(m): 297.00
LITHOLOGY: BASALT;
Piece No. : PCES 1 (0-10), 2 (11-20), 3 (20-30), 4 (30-35),
5 (35-46), 6 (46-51), 7 (51-56), 8 (56-64),
9 (64-70), 10 (71-79), 11 (79-84), 12 (84-96),
13 (96-111), 14 (111-120), 15 (121-130),
16 (133-147);
Texture : BLACK GLASS RIND 1 CM THICK BETWEEN PCES 2 AND 3,
GLASS + CARBONATE WITH SEDIMENTARY INCLUSIONS
AND POLYGONAL CARBONATE, ON PCE 5 A CHILLED GLASSY
MARGIN, GLASS RIND ON PCE 7, GLASS ON PCE 15,
GLASS RIND ON BOTTOM OF PCE 16, SACCHAROIDAL
CARBONATE - WITH SMALL SPHERICAL SHAPES, CHILLED
ALTERED MARGIN ON TOP OF PCE 16;
Structure : VERY THIN VEINS (1MM) OF A PALE GREEN SOFT MINERAL
POSSIBLY STEATITE, HAIRLINE CALCITE FILLED
FRACTURES, DARK GREY SOFT (POSSIBLY CLAY) VEIN
FILLING, CALCITE VEINS, IN PCE 16 SPECKS OF NATIVE
COPPER IN CALCITE VEINS;
Alteration : BETWEEN PCES 4 AND 5 CHILLED (GLASSY) MARGIN AND A
3 CM WEATHERED ZONE UNDERLAIN BY FRESH BASALT, ON
BOTTOM OF PCE 16 A CHILLED ALTERED MARGIN;
Comments : AROUND PCE 5 IS A 3 CM WEATHERED ZONE UNDERLAIN BY
FRESH BASALT, DOWN TO PCE 10 THE DOMINANT COLOR IS
GREENISH GREY (5 GY 5/1) TO OLIVE BLACK (5 Y 2/1)
AND BELOW THIS THE BASALT IS OLIVE BLACK;
Groundmass : GLASS
COPPER
SPECKS OF NATIVE COPPER IN CALCITE VEINS;
Replacement: CARBONATE
GLASS AND CARBONATE WITH SEDIMENTARY INCLUSIONS
AND POLYGONAL CARBONATE;
CALCITE
CALCITE VEINS;
UNIDENTIFIED
DARK GREY SOFT VEIN FILLING POSSIBLY CLAY;
UNIDENTIFIED
POSSIBLY STEATITE IS THE PALE GREEN SOFT MINERAL
FILLING THE VERY THIN VEINS (1 MM);
Leg : 29 Top/Bottom Interval(mm): 800/1500 Analyst: Gostin, V.
Hole: 282 Sample Midpoint (m) : 299.50
Core: 19 Top of Core Depth (m) : 298.00
Sect: 1 Top of Section Depth(m): 298.80
LITHOLOGY: BASALT;
Piece No. : PCES 1 (80-100), 2 (100-116), 3 (116-121),
4 (121-127), 5 (127-140), 6 (140-150);
Texture : FRAGMENTS OF BASALT WITH VEINS, PYROXENE PHENOCRYSTS
UP TO 2 MM DIAMETER;
Structure : FRAGMENTS OF BASALT WITH VEINS, BASALT WITH CALCITE
VEINS;
Comments : BASALT SIMILAR TO THAT IN CORE 18 SECTION 3;
Phenocrysts: PYROXENE
Size(mm): TO 2
PYROXENE PHENOCRYSTS UP TO 2 MM IN DIAMETER;
Replacement: CALCITE
CALCITE VEINS;
Leg : 29 Top/Bottom Interval(mm): 820/1500 Analyst: Gostin, V.
Hole: 282 Sample Midpoint (m) : 308.50
Core: 20 Top of Core Depth (m) : 307.00
Sect: 1 Top of Section Depth(m): 307.82
LITHOLOGY: BASALT;
Piece No. : PCES 1 (82-96), 2 (96-106), 3 (106-116),
4 (116-122), 5 (122-134), 6 (134-146),
7 (146-150);
Structure : CALCITE VEINS 3 MM THICK;
Alteration : PCES 1 + 2 + 6 + 7 ARE THE FRESHEST;
Comments : BASALT SIMILAR TO CORE 18 SECTION 3;
Replacement: CALCITE
CALCITE VEINS 3 MM THICK;
Leg : 29 Top/Bottom Interval(mm): 0/1500 Analyst: Gostin, V.
Hole: 282 Sample Midpoint (m) : 310.00
Core: 20 Top of Core Depth (m) : 307.00
Sect: 2 Top of Section Depth(m): 308.50
LITHOLOGY: PILLOW BASALT;
Piece No. : PCES 1 (0-8), 2 (8-16), 3 (16-24), 4 (25-45),
5 (45-51), 6 (51-56), 7 (51-53), 8 (53-56),
9 (56-66), 10 (66-78), 11 (79-82), 12 (79-82),
13 (82-89), 14 (89-99), 15 (96-110), 16 (110-116),
17 (116-120), 18 (120-134), 19 (134-136),
20 (135-150);
Texture : BLACK GLASS MARGINS ON PCE 3 AND 4, GLASS ON CORNERS
OF PCES 9 AND 10, ON PCES 11-14 BASALT WITH GLASS
RIMS AND BAKED SEDIMENT IN BETWEEN PILLOW AREAS,
GLASS ON PCE 16, ON PCE 17 SEDIMENT WITH SOME
ADHERING BLACK GLASS;
Structure : ON PCE 4 PROBABLY A RADIAL FRACTURE NETWORK IN A
BASALT PILLOW FILLED WITH CALCITE, NUMEROUS CALCITE
VEINS UP TO 3 MM THICK MOST ENDING BY THINNING OUT
- SUGGESTING A CONTRACTION ORIGIN WITHIN PILLOW
BASALT;
Alteration : PCES 10-14 PALE GREEN WITH OTHER PARTS FRESHER
WITH COLOR OLIVE GREY;
Comments : BASALT SIMILAR TO BASALT IN CORE 18 SECTION 3,
CLOSE TO PCE 5 IS GREENISH GREY (5 GY 5/1) BAKED
CARBONATE SEDIMENT, PCES 10-14 PALE GREEN
(5 YR 5/4) WITH OTHER PARTS FRESHER WITH COLOR OLIVE
GREY (5Y 4/1), GREENISH GREY BAKED SEDIMENT WITH
SOME ADHERING BLACK GLASS;
Groundmass : GLASS
Replacement: CALCITE
CALCITE VEINS, RADIAL FRACTURE NETWORK FILLED WITH
CALCITE;
Leg : 29 Top/Bottom Interval(mm): 0/1500 Analyst: Gostin, V.
Hole: 282 Sample Midpoint (m) : 311.50
Core: 20 Top of Core Depth (m) : 307.00
Sect: 3 Top of Section Depth(m): 310.00
LITHOLOGY: PILLOW BASALT;
Piece No. : PCES 1 (0-6), 2 (6-16), 3 (16-25), 4 (24-26),
5 (26-35), 6 (34-45), 7 (44-60), 8 (60-68),
9 (68-84), 10 (83-93), 11 (93-95), 12 (97-102),
13 (104-108), 14 (109-117), 15 (118-133),
16 (134-144), 17 (144-149);
Texture : ON PCES 3 AND 4 GLASS RINDS (1 CM THICK) ENCLOSING
BAKED SEDIMENT IN A -BLIND- CORNER, ON PCE 14 A
CHILLED GLASSY MARGIN, ON PCES 16 AND 17 GREENISH
BLACK GLASS RINDS;
Structure : FRAGMENTS INCLUDE BLACK VOLCANIC GLASS;
Alteration : PCES 1-2 ARE A MODERATELY FRESH PART OF THIS
PILLOW BASALT, PCES 8-9 ARE THE FRESHEST PART OF
THIS PILLOW;
Comments : ON PCES 3 AND 4 GLASS RINDS (1 CM THICK) ENCLOSING
BAKED SEDIMENT IN A -BLIND- CORNER, FRAGMENTS
INCLUDE BLACK VOLCANIC GLASS, WEATHERED BASALT,
ON PCES 16-17 GREENISH BLACK GLASS RINDS;
Phenocrysts: PLAGIOCLASE
Size(mm): 10 X 6
LARGE PHENOCRYST (10 X 6 MM) OF PLAGIOCLASE;
Groundmass : GLASS
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