Leg : 58 Top/Bottom Interval(mm): 0/ 230 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 289.73
Core: 3 Top of Core Depth (m) : 286.50
Sect: 3 Top of Section Depth(m): 289.50
LITHOLOGY: SEDIMENTARY ROCK;
Leg : 58 Top/Bottom Interval(mm): 290/1470 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 290.97
Core: 3 Top of Core Depth (m) : 286.50
Sect: 3 Top of Section Depth(m): 289.79
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (30-37), 2 (40-46), 3 (48-55), 4 (58-63),
5 (65-69), 6 (72-77), 7 (78-83), 8 (85-88),
9 (92-96), 10 (98-102), 11 (105-108), 12 (111-118),
13 (120-127), 14 (130-133), 15 (135-147);
Texture : APHYRIC, THE INTERVAL FROM 29-38CM PROBABLY
REPRESENTS A COOLING ZONE;
Alteration : SLIGHTLY;
ALL PCES EXCEPT 11;
EXTENSIVELY;
PCE 11;
Comments : DARK GREY COLOR;
Vesicles : Size(mm): 1 Percent: 30
THE INTERVAL 40-49CM CONTAINS MORE VESICLES 1MM
AND UP TO 5-10MM AT 1%;
Leg : 58 Top/Bottom Interval(mm): 0/ 860 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 291.86
Core: 3 Top of Core Depth (m) : 286.50
Sect: 4 Top of Section Depth(m): 291.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1A (1-11), 1B (12-18), 2 (20-24), 3A (27-30),
3B (31-37), 3C (37-40), 4 (43-49), 5A (52-58),
5B (58-62), 6 (64-70), 7 (73-78), 8 (80-85);
Texture : APHYRIC, INTERVAL 26-31CM IS A PROBABLE CHILL ZONE;
Alteration : SLIGHTLY;
Comments : DARK GREY COLOR;
Vesicles : Size(mm): 1 Percent: 30-40
Size(mm): 7-10 Percent:
INTERVAL 26-35CM CONTAINS FEW VESICLES, SOME HAVE
YELLOW SECONDARY MINERALS;
Replacement: OTHER
YELLOW SECONDARY MINERALS FOUND IN SOME VESICLES
IN INTERVAL 26-35CM;
Leg : 58 Top/Bottom Interval(mm): 0/1490 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 297.49
Core: 4 Top of Core Depth (m) : 296.00
Sect: 1 Top of Section Depth(m): 296.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (1-6), 2 (9-12), 3 (15-22), 4 (23-30),
5 (32-37), 6 (39-42), 7 (45-48), 8 (51-54),
9 (56-60), 10 (63-68), 11 (71-76), 12 (78-81),
13 (83-85), 14 (87-90), 15 (92-98), 16 (99-103),
17 (105-108), 18 (109-112), 19 (114-121),
20 (123-131), 21 (133-137), 22 (140-142),
23 (144-149);
Texture : APHYRIC, INTERVAL 88-102CM IS A CHILL ZONE;
Alteration : SLIGHTLY;
Comments : GREY TO DARK GREY COLOR;
Vesicles : Size(mm): <1 Percent: 40
IN SOME PLACES;
Size(mm): 1-5 Percent: 1-2
IN OTHER PLACES, PARTLY FILLED WITH CARB;
Replacement: CALCITE
PARTLY FILLS VESICLES;
Leg : 58 Top/Bottom Interval(mm): 0/1490 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 298.99
Core: 4 Top of Core Depth (m) : 296.00
Sect: 2 Top of Section Depth(m): 297.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (1-6), 2 (9-10), 3 (13-19), 4 (22-25),
5 (23-25), 6 (33-38), 7 (40-47), 8 (50-55),
9 (57-59), 10 (61-68), 11 (70-78), 12 (80-87),
13 (89-93), 14 (95-99), 15 (101-107), 16 (110-123),
17 (125-134), 18 (137-140), 19 (142-148);
Texture : APHYRIC;
Alteration : SLIGHTLY;
Comments : DARK GREY COLOR;
Vesicles : Size(mm): <1 Percent: 40
PCES 1-11;
Size(mm): <1 Percent: 25
Size(mm): >1 Percent: 15
PCES 12-19, VESICLES PARLTY FILLED WITH WHITE
MATERIAL POSSIBLY CARB;
Replacement: CALCITE
IDENTITY UNCERTAIN;
Leg : 58 Top/Bottom Interval(mm): 0/ 270 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 299.27
Core: 4 Top of Core Depth (m) : 296.00
Sect: 3 Top of Section Depth(m): 299.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (1-5), 2 (8-12), 3A (15-18), 3B (19-26);
Texture : APHYRIC;
Alteration : SLIGHTLY;
Comments : DARK GREY COLOR;
Vesicles : Size(mm): <1 Percent: 40
Leg : 58 Top/Bottom Interval(mm): 0/1490 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 306.99
Core: 5 Top of Core Depth (m) : 305.50
Sect: 1 Top of Section Depth(m): 305.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (1-2), 2 (5-9), 3 (12-16), 4A (18-20),
4B (21-23), 5 (26-31), 6A (34-40), 6B (38-44),
7A (46-55), 7B (56-62), 7C (63-71), 7D (72-83),
7E (83-93), 8 (95-99), 9 (102-105), 10A (107-114),
10B (115-122), 10C (122-134), 10D (136-142),
10E (142-149);
Texture : APHYRIC;
Structure : CROSS-CUTTING FRACTURE WITH WEATHERED SURFACES IN
PCE 10B-C;
Alteration : SLIGHTLY;
PCES 1-2;
MOD
PCES 3-10E;
Comments : LIGHT GREY COLOR, GREEN TINGE INCREASING WITH
WEATHERING;
Vesicles : Size(mm): <1 Percent: 30-40
Location: Filling: SMEC,CLAY,CARB
Size(mm): >1 Percent: 2-10
Location: Filling: SMEC, CLAY,CARB
SOME INFILLING BY LIGHT OLIVE GREEN SMEC AND BROWN
(POSSIBLE STAIN) CLAY AND OCCASIONAL CALCITE;
Replacement: CALCITE
SOME OCCASIONAL INFILLING IN VESICLES, IN PCE 6A
WEATHERED SURFACE ON ANGLED SIDE HAS OLIVE YELLOW
ALTERATION PRODUCTS, ON TOP OF PCE 7C WEATHERED
SURFACE HAS BROWN ALTERATION PRODUCT AND PCE 10B-C
HAVE LIGHT OLIVE BROWN ALTERATION PRODUCTS AND
CARB;
CLAY MINERALS
SOME BROWN INFILLING IN VESICLES;
SMECTITE
SOME LIGHT OLIVE GREEN INFILLING IN VESICLES;
Leg : 58 Top/Bottom Interval(mm): 0/ 370 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 307.37
Core: 5 Top of Core Depth (m) : 305.50
Sect: 2 Top of Section Depth(m): 307.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1A (2-21), 1B (21-27), 2A (31-38);
Texture : APHYRIC;
Structure : FRACTURE FROM 18-28CM LINED WITH CALCITE AND BROWN
ALTERATION ZONE, WHITE CALCITE VEIN AT 34-36CM CUTS
INTO LOWER FRESH ZONE;
Comments : GREEN GREY COLOR;
Vesicles : Size(mm): <1 Percent: 30-40
Location: Filling: SMEC,CALCITE
Size(mm): >1 Percent: 5
Location: Filling: SMEC,CALCITE
Replacement: SMECTITE
INFILLING OF VESICLES;
CALCITE
INFILLING OF VESICLES, LINES FRACTURE FROM 18-28CM
AND IN VEIN 34-36CM, BROWN ALTERATION ZONE ALSO
LINES FRACTURE 18-28CM;
Leg : 58 Top/Bottom Interval(mm): 370/ 770 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 307.77
Core: 5 Top of Core Depth (m) : 305.50
Sect: 2 Top of Section Depth(m): 307.37
LITHOLOGY: BASALT;
Piece No. : PCE 2B (37-50), 2C (50-57), 2D (57-65), 2E (65-77);
Texture : VARIOLITIC;
Structure : CUT BY WHITE CALCITE VEINS;
Alteration : FRESH;
Comments : GREY COLOR;
Vesicles : Size(mm): <1 Percent: 30-40
Size(mm): >1 Percent: 5
SOME INFILLING OF VESICLES BY CARB;
Replacement: CALCITE
FOUND IN VEINS AND VESICLES;
Leg : 58 Top/Bottom Interval(mm): 770/1400 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 308.40
Core: 5 Top of Core Depth (m) : 305.50
Sect: 2 Top of Section Depth(m): 307.77
LITHOLOGY: BASALT;
Piece No. : PCE 2E (77-80), 2F (81-93), 2G (93-103),
2H (103-112), 2I (113-128), 2J (128-140);
Texture : VARIOLITIC;
Structure : FRACTURE WITH WEATHERED SURFACE AND 1-2MM WIDE
WEATHERED ZONE AT 126-132CM BETWEEN PCE 2I AND 2J;
Alteration : MOD;
Comments : SHARP BOUNDARY BETWEEN FRESH AND WEATHERED BASALT IS
AT 75CM AND COVERS LOWER BOUNDARY, GREEN GREY COLOR;
Vesicles : Size(mm): <1 Percent: 30-40
Location: Filling: SMEC,CALCITE
Size(mm): >1 Percent: 5
Location: Filling: SMEC,CALCITE
Replacement: CALCITE
FOUND IN VEINS AND VESICLES;
Leg : 58 Top/Bottom Interval(mm): 0/1490 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 309.99
Core: 5 Top of Core Depth (m) : 305.50
Sect: 3 Top of Section Depth(m): 308.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1A (1-13), 1B (13-20), 1C (19-28), 1D (29-45),
1E (45-52), 2 (50-51), 3 (59-63), 4 (67-68),
5 (72-78), 6 (82-88), 7 (91-92), 8A (96-110),
8B (110-124), 9 (126-128), 10A (132-140),
10B (141-149);
Texture : APHYRIC;
Structure : FRACTURE IN PCE 1D-E (29-51CM) ALONG ZONE OF
VESICLES;
Alteration : MOD;
Comments : GREEN GREY COLOR;
Vesicles : Size(mm): <1 Percent: 30-40
Location: Filling: SMEC,CALCITE
Size(mm): >1 Percent: 2
Location: Filling: SMEC,CALCITE
ONLY SOME OF THE VESICLES HAVE SMEC+CALCITE LINING
Leg : 58 Top/Bottom Interval(mm): 0/1270 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 311.27
Core: 5 Top of Core Depth (m) : 305.50
Sect: 4 Top of Section Depth(m): 310.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (1-3), 2 (5-10), 3 (12-17), 4 (20-24),
5 (27-31), 6 (34-38), 7 (42-43), 8 (46-48),
9 (52-53), 10 (56-61), 11 (63-71), 12 (74-76),
13 (79-87), 14 (89-98), 15 (102-108), 16 (112-118);
Texture : APHYRIC;
Structure : CALCITE FILLED VEIN IN PCE 2;
Alteration : MOD;
Comments : PCE 14 FROM 88-100CM CONSISTS OF DRILLING BRECCIA,
GREY COLOR WITH A GREEN TINGE;
Vesicles : Size(mm): <1 Percent: 30-40
Location: Filling: SMEC,CALCITE
Size(mm): >1 Percent: <5
Location: Filling: SMEC,CALCITE
Replacement: CALCITE
FOUND IN VEIN IN PCE 2 AND AS INFILLING OF SOME
VESICLES;
SMECTITE
FOUND AS INFILLING OF SOME VESICLES;
Leg : 58 Top/Bottom Interval(mm): 0/1500 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 316.50
Core: 6 Top of Core Depth (m) : 315.00
Sect: 1 Top of Section Depth(m): 315.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1A (1-5), 1B (3-7), 2 (11-18), 3 (21-25),
4 (26-28), 5 (31-35), 6 (37-40), 7A (42-57),
7B (55-63), 8 (67-70), 9 (73-75), 10 (77-83),
11 (86-90), 12A (92-95), 12B (94-96), 12C (96-97),
12D (97-100), 13 (102-105), 14 (107-120),
15A (122-131), 15B (132-135), 16 (138-143),
17 (146-150);
Texture : APHYRIC, FINE GRAINED, CHILLED MARGIN IN PCE 13, 2MM
GLASSY ZONE;
Structure : CARB FILLED AMYGDULES--1% IN PCES 1-12--1-2% IN PCES
14-17;
Alteration : MOD;
Vesicles : Size(mm): <1 Percent: 30
FINE;
Size(mm): <10 Percent: 3
MED AND COARSE GRAINED VESICLES AND VUGS, INTERVAL
0-100CM HAS AN EXTRA LARGE VUG AT THE CENTER OF A
2.5X4CM DARK PATCH, INTERVAL 106-150CM HAS LARGER
VUGS SURROUNDED BY 1CM PATH OF DARK DISCOLORATION
PROBABLY A REACTION ZONE WITH CONTENTS OF VUG
DURING COOLING;
Replacement: CALCITE
FOUND IN AMYGDULES;
Leg : 58 Top/Bottom Interval(mm): 0/1360 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 317.86
Core: 6 Top of Core Depth (m) : 315.00
Sect: 2 Top of Section Depth(m): 316.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (0-6), 2 (9-12), 3 (15-20), 4 (25-30),
5 (32-35), 6 (37-43), 7A (46-47), 7B (47-50),
7C (51-54), 8 (57-67), 9 (69-72), 10A (74-78),
10B (79-84), 10C (85-92), 11 (96-100), 12 (103-114),
13A (117-128), 13B (129-136);
Texture : APHYRIC, FINE GRAINED, PCE 4 HAS A QUENCH OR CHILL
ZONE WITH THIN GLASS RIND, ALSO IT HAS FLOW
STRUCTURES PARALLEL TO RIND, PCE 5 ALSO HAS FLOW
STRUCTURES, PCE 6 HAS A CHILL ZONE WITH 3MM GLASSY
ZONE AND A VARIOLITIC ZONE GRADING INTO APHANITIC
BASALT, PCE 8 IS VARIOLITIC;
Alteration : SLIGHTLY
PCES 1-6;
MOD
PCES 7-13;
Comments : GREY COLOR, PCE 6 HAS DISTINCT ORANGE-RED CAST TO
THE GREY, PCES 10-13 HAVE A SLIGHT GREENISH CAST TO
THE GREY, PCE 8 IS GREENISH GREY, PCES 7A-C AND 9
ARE ALL LOOSE BASALT FRAGMENTS;
Vesicles : Size(mm): Percent: 20-30
FINE, IN PCES 1-3;
Size(mm): Percent: 1-2
MEDIUM, IN PCES 1-3;
Size(mm): Percent: 5-10
VERY FINE, IN PCE 6;
Size(mm): Percent: 15
FINE, IN PCE 8;
Size(mm): Percent: 40
FINE, IN PCES 10-13;
Size(mm): Percent: 1-2
MEDIUM, IN PCES 10-13;
Replacement: CALCITE
FOUND IN AMYGDULES IN PCES 1-3, ALSO FOUND IN
ALTERATION VEINS IN PCES 10-13;
FERROUS OXIDE
CALCITE FILLED ALTERATION VEINS WIH FE.OXIDE
STAINING WHERE CALCITE IS ABSENT AND AT MARGINS OF
VEINS IN PCES 10-13;
Leg : 58 Top/Bottom Interval(mm): 0/ 160 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 318.16
Core: 6 Top of Core Depth (m) : 315.00
Sect: 3 Top of Section Depth(m): 318.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (0-3), 2 (7-16);
Texture : APHYRIC;
Structure : CALCITE VEIN APPROXIMATELY 1MM THICK;
Alteration : SLIGHTLY
PCE 1;
MOD
PCE 2;
Comments : DARK GREY TO BROWNISH GREY COLOR;
Vesicles : Size(mm): Percent: 20
FINE;
Replacement: CALCITE
FOUND IN VEIN;
Leg : 58 Top/Bottom Interval(mm): 180/ 230 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 318.23
Core: 6 Top of Core Depth (m) : 315.00
Sect: 3 Top of Section Depth(m): 318.18
LITHOLOGY: DRILLING BRECCIA;
Piece No. : PCE 3 (18-23);
Texture : DRILLING BRECCIA CEMENTED WITH ROCK FLOUR PASTE;
Leg : 58 Top/Bottom Interval(mm): 270/ 360 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 318.36
Core: 6 Top of Core Depth (m) : 315.00
Sect: 3 Top of Section Depth(m): 318.27
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 4 (27-36);
Texture : SPLOTCHY VARIOLITIC BASALT GRADING INTO DARK GREY
BASALT NEAR BOTTOM;
Structure : WHITE CALCITE VEIN;
Alteration : FRESH;
Comments : UPPER HALF MOTTLED DARK AND LIGHT GREY;
Vesicles : Size(mm): 1-2 Percent:
Replacement: CALCITE
FOUND IN VEIN;
Leg : 58 Top/Bottom Interval(mm): 0/1270 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 325.77
Core: 7 Top of Core Depth (m) : 324.50
Sect: 1 Top of Section Depth(m): 324.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (0-3), 2 (6-9), 3 (12-17), 4 (20-26),
5 (27-34), 6A (37-44), 6B (45-52), 7 (54-72),
8 (75-83), 9A (85-87), 9B (86-88), 9C (89-91),
9D (88-92), 10 (94-99), 11 (102-115), 12 (119-127);
Texture : PCES 1-4 GRADE DOWNWARDS FROM APHANITIC TO FINE
GRAINED AND APPARENTLY THIS IS A CHILL MARGIN FOR
UNDERLYING BASALT, PCES 6-9 ARE FINE GRAINED
APPROACHING DIABASE AND PCES 10-12 ARE FINE GRAINED;
Alteration : FRESH;
PCES 6-12;
SLIGHTLY
PCES 1-4;
MOD
PCE 5;
Comments : PCE 5 IS BASALT FRAGMENTS, PCE 10 IS DRILLING DEBRIS
AND BASALT FRAGMENTS AND ROCK POWDER, PCE 12 IS
DRILLING DEBRIS AND ROCK POWDER, GREY COLOR, PCES
1-4 HAVE AND ORANGE CAST;
PCE 5 IS BASALT FRAGMENTS, PCE 10 IS DRILLING DEBRIS
AND BASALT FRAGMENTS AND ROCK POWDER, PCE 12 IS
DRILLING DEBRIS AND ROCK POWDER, GREY COLOR, PCES
1-4 HAVE AN ORANGE CAST;
Vesicles : Size(mm): Percent: 10-20
FINE, PCES 1-4;
Size(mm): Percent: 2
MEDIUM, PCES 1-4;
Size(mm): Percent: 5-10
FINE, PCES 6-9;
Size(mm): Percent: 5-10
MEDIUM, PCES 6-9;
Size(mm): Percent: 4
MEDIUM IN UPPER ONE THIRD OF PCE 11, VESICLES
SCARCE TO ABSENT IN THE LOWER TWO THIRDS;
Leg : 58 Top/Bottom Interval(mm): 0/1170 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 335.17
Core: 8 Top of Core Depth (m) : 334.00
Sect: 1 Top of Section Depth(m): 334.00
LITHOLOGY: APHYRIC DIABASE;
Piece No. : PCE 1A (1-10), 1B (10-26), 1C (26-36), 1D (36-55),
1E (55-59), 1F (60-71), 1G (71-73), 1H (73-78),
1I (78-93), 2A (96-111), 2B (111-113), 2C (113-117);
Texture : GRAIN SIZE FAIRLY UNIFORM DOWN SECTION, APHYRIC;
Structure : WHITE CARB VEIN AT 36CM AND AT SEVERAL OTHER BREAKS
IN CORE;
Alteration : FRESH;
Comments : GREY COLOR;
Vesicles : Size(mm): Percent: 1
AT TOP AND LESS THAN THAT THROUGH REST OF SECTION,
LARGER VESICLES HAVE FREE GROWING GLOMEROCRYSTS OF
PYRITE AND CALCITE (PCE 2C);
Phenocrysts: PLAGIOCLASE
Size(mm): 1-3
BETWEEN 23-39CM WHICH COULD BE SLIGHTLY ALTERED
PLAG WHICH STANDS OUT RATHER THAN PHENOS;
Replacement: PYRITE
FOUND AS GLOMEROCRYSTS IN LARGER VESICLES AND
ALONG VEIN SURFACES WHERE EXPOSED;
CALCITE
FOUND AS GLOMEROCRYSTS IN LARGER VESICLES (PCE 2C)
AND IN VEINS AT 36CM AND AT SEVERAL OTHER BREAKS
IN THE CORE;
Leg : 58 Top/Bottom Interval(mm): 0/1340 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 336.84
Core: 8 Top of Core Depth (m) : 334.00
Sect: 2 Top of Section Depth(m): 335.50
LITHOLOGY: APHYRIC DIABASE;
Piece No. : PCE 1A (1-2), 1B (2-5), 1C (5-11), 1D (11-20),
1E (20-28), 1F (29-40), 1G (40-50), 1H (50-65),
1I (65-75), 1J (75-92), 1K (92-101), 1L (101-108),
1M (108-113), 2A (116-120), 2B (120-123),
3 (126-134);
Texture : APHYRIC, MEDIUM GRAINED;
Structure : CARB VEINS COMMON AND CORE HAS FRACTURED ALONG THESE
(PARTICULARLY BETWEEN 10 AND 45CM);
Alteration : FRESH;
ROCK IS FRESH BUT MUCH OF PLAG HAS A GREENISH CAST
WHICH MAY INDICATE ALTERATION;
Comments : GREY COLOR;
Vesicles : Size(mm): Percent: <1
Replacement: CALCITE
FOUND IN VEINS;
PYRITE
FOUND ON VEIN SURFACES;
Groundmass : PLAGIOCLASE
Leg : 58 Top/Bottom Interval(mm): 0/1400 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 338.40
Core: 8 Top of Core Depth (m) : 334.00
Sect: 3 Top of Section Depth(m): 337.00
LITHOLOGY: APHYRIC DIABASE;
Piece No. : PCE 1A (1-14), 1B (14-17), 1C (17-20), 2A (22-50),
2B (49-51), 2C (50-65), 3A (67-90), 3B (91-97),
4A (100-117), 4B (117-131), 4C (132-139);
Texture : APHYRIC, FINE GRAINED;
Alteration : MOD;
Comments : DARK GREENISH GREY COLOR, DENSE;
Vesicles : Size(mm): 1-3 Percent: 5
ALL FILLED WITH CARB+CHLORITE
Size(mm): <5 Percent:
IN INTERVAL 22-80CM;
Replacement: CALCITE
FOUND FILLING VESICLES;
CHLORITE
FOUND FILLING VESICLES;
Leg : 58 Top/Bottom Interval(mm): 0/1400 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 339.90
Core: 8 Top of Core Depth (m) : 334.00
Sect: 4 Top of Section Depth(m): 338.50
LITHOLOGY: APHYRIC DIABASE;
Piece No. : PCE 1A (1-14), 1B (13-20), 2 (22-63), 3 (66-140);
Texture : APHYRIC, FINE GRAINED;
Alteration : MOD;
Comments : DARK GREENISH GREY COLOR, DENSE;
Vesicles : Size(mm): <1 Percent: 5-10
Size(mm): 3-5 Percent:
VUGS, 0-28CM AND 115-140CM FILLED WITH CALCITE AND
CHLORITE, 28-115CM VUGS ARE FILLED WITH CHLORITE;
Replacement: CALCITE
FOUND IN VUGS IN THE INTERVAL 0-28 AND 115-140CM;
CHLORITE
FOUND IN VUGS;
Leg : 58 Top/Bottom Interval(mm): 0/1330 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 341.33
Core: 8 Top of Core Depth (m) : 334.00
Sect: 5 Top of Section Depth(m): 340.00
LITHOLOGY: APHYRIC DIABASE;
Piece No. : PCE 1 (1-29), 2 (32-73), 3 (75-112), 4 (114-133);
Texture : APHYRIC;
Alteration : MOD;
Comments : DARK GREENISH GREY COLOR, DENSE;
Vesicles : Size(mm): <1 Percent: 5-10
VESICLES UNFILLED;
Size(mm): 3-7 Percent: 3-5
VUGS, 0-50CM AND 120-133CM FILLED WITH CALCITE AND
CHLORITE, 50-120CM FILLED WITH CHLORITE;
Replacement: CALCITE
FOUND IN VUGS IN THE INTERVAL 0-50 AND 120-133CM;
CHLORITE
FOUND IN VUGS;
Leg : 58 Top/Bottom Interval(mm): 0/1450 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 342.95
Core: 8 Top of Core Depth (m) : 334.00
Sect: 6 Top of Section Depth(m): 341.50
LITHOLOGY: APHYRIC DIABASE;
Piece No. : PCE 1 (1-23), 2A (25-50), 2B (50-60), 2C (58-620,
2D (62-65), 3 (67-84), 4 (87-145);
Texture : APHYRIC;
Alteration : MOD
THE INTERVAL 65-145CM IS THE FRESHEST PART OF THE
CORE;
Vesicles : Size(mm): <1 Percent: 5-10
Location: Filling: CALCITE, CHLORITE
Size(mm): 1-3 Percent: 3-5
Location: Filling: CALCITE, CHLORITE
BOTH OF THE ABOVE SIZES FOUND IN PCES 1-2, IN
INTERVAL 65-145CM VESICLES ARE OPEN AND UNFILLED;
Replacement: CALCITE
FOUND IN VESICLES IN THE INTERVAL 0-65CM;
CHLORITE
FOUND IN VESICLES IN THE INTERVAL 0-65CM;
Leg : 58 Top/Bottom Interval(mm): 0/ 520 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 343.52
Core: 8 Top of Core Depth (m) : 334.00
Sect: 7 Top of Section Depth(m): 343.00
LITHOLOGY: APHYRIC DIABASE;
Piece No. : PCE 1 (1-8), 2 (11-18), 3 (22-33), 4 (35-42),
5 (44-52);
Texture : APHYRIC;
Alteration : MOD;
Vesicles :
Location: Filling: CALCITE, CHLORITE
Replacement: CALCITE
CHLORITE
BOTH ARE FOUND IN VESICLES;
Leg : 58 Top/Bottom Interval(mm): 520/1470 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 344.47
Core: 8 Top of Core Depth (m) : 334.00
Sect: 7 Top of Section Depth(m): 343.52
LITHOLOGY: APHYRIC DIABASE;
Piece No. : PCE 6 (54-59), 7 (62-65), 8 (67-71), 9 (73-80),
10 (83-93), 11 (95-102), 12A (104-112),
12B (117-131), 13 (133-139), 14 (142-147);
Texture : APHYRIC;
Structure : CARB VEIN OBSERVED IN PCES 12A-B WITH A THICKNESS OF
1-3MM;
Alteration : MOD;
Comments : INTERVAL 146-147CM IS A REDDISH COLOR, IN THIS PART
AND ABOVE 4-5CM THE DIABASE IS DENSE AND PROBABLY IS
THE TOP OF A LAVA FLOW;
Vesicles :
Location: Filling: CLAY.MIN
Replacement: CALCITE
FOUND IN VEIN IN PCES 12A-B;
CLAY MINERALS
FOUND IN VESICLES;
Leg : 58 Top/Bottom Interval(mm): 0/ 490 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 343.99
Core: 9 Top of Core Depth (m) : 343.50
Sect: 1 Top of Section Depth(m): 343.50
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCE 1A (1-7), 1B (1-4), 2 (10-15), 3 (17-19),
4 (22-28), 5 (31-38), 6A (41-49);
Texture : PLAG PHYRIC, GLOMEROPHYRIC;
Alteration : MOD;
Comments : YELLOW-GRAY COLOR;
Vesicles : Size(mm): 1-2 Percent: 15
Location: Filling: FE.OX
MOST UNFILLED;
Replacement: FERROUS MN OXIDE
FOUND IN OPEN VESICLES;
Leg : 58 Top/Bottom Interval(mm): 490/1500 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 345.00
Core: 9 Top of Core Depth (m) : 343.50
Sect: 1 Top of Section Depth(m): 343.99
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 6B (49-80), 6C (81-102), 6D (99-112),
6E (112-130), 7 (132-145), 8 (147-150);
Texture : APHYRIC;
Structure : TWO CALCITE VEINS WITH OXIDIZED ORE MINERALS
(PROBABLY PYRITE) IN THE INTERVAL 65-80CM;
Alteration : MOD;
Comments : YELLOW GREY COLOR, DARK GREY;
Vesicles : Size(mm): <.5 Percent: 5-10
Location: Filling: CALCITE, FE.OX
PARTLY FILLED;
Replacement: FERROUS MN OXIDE
FOUND IN VESICLES;
CALCITE
FOUND IN VESICLES AND VEINS;
PYRITE
POSSIBLY FOUND IN VEINS;
Leg : 58 Top/Bottom Interval(mm): 0/1500 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 346.50
Core: 9 Top of Core Depth (m) : 343.50
Sect: 2 Top of Section Depth(m): 345.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (0-9), 2 (12-20), 3 (22-33), 4A (36-48),
4B (49-56), 5 (58-63), 6 (66-68), 7 (69-82),
8 (84-86), 9A (88-92), 9B (92-95), 10A (97-106),
10B (97-106), 11 (109-111), 12A (114-126),
12B (117-121), 13A (128-130), 13B (130-131),
14 (134-138), 15 (140-145), 16 (148-150);
Texture : APHYRIC;
Structure : CALCITE VEIN OCCURS WITH SMALL FE.OX IN PCE 1;
Alteration : MOD;
Comments : BASALT IS MORE DENSE IN INTERVAL 114-150, DARK GREY
COLOR;
Vesicles : Size(mm): <.5 Percent: 10
ENTIRE CORE;
Size(mm): 1-3 Percent: 1
INTERVAL 114-150, INTERVAL 114-126CM VESICLES
PARTLY FILLED WITH CARB;
Replacement: FERROUS MN OXIDE
FOUND IN VEIN IN PCE 1;
CALCITE
FOUND IN VESICLES IN INTERVAL 114-126CM AND VEINS
IN INTERVAL 0-10CM;
Leg : 58 Top/Bottom Interval(mm): 0/1000 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 347.50
Core: 9 Top of Core Depth (m) : 343.50
Sect: 3 Top of Section Depth(m): 346.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1A (1-6), 1B (7-30), 1C (30-37), 1D (37-44),
1E (44-48), 2A (50-58), 2B (58-65), 2C (66-71),
2D (72-77), 2E (77-82), 3A (85-88), 3B (85-88),
4A (92-99), 4B (100-110);
Texture : APHYRIC;
Structure : IN PCES 1B-C AND 1E A CALCITE VEIN OCCURS WITH AN
ALTERED ZONE NEXT TO IT (FE.OX ALTERATION);
Alteration : MOD;
Comments : DARK GREY COLOR;
Vesicles : Size(mm): <1 Percent: 10-15
Location: Filling: CALCITE, FE.OX
PARTLY FILLED;
Replacement: FERROUS MN OXIDE
FOUND PARTIALLY FILLING VESICLES AND IN VEIN IN
PCES 1B-C AND 2E;
CALCITE
FOUND PARTIALLY FILLING VESICLES AND IN A VEIN IN
PCES 1B-C AND 2E;
Leg : 58 Top/Bottom Interval(mm): 0/1500 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 354.50
Core: 10 Top of Core Depth (m) : 353.00
Sect: 1 Top of Section Depth(m): 353.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (1-3), 2 (6-12), 3 (15-16), 4 (19-22),
5 (24-28), 6 (30-34), 7 (37-39), 8 (41-44),
9 (47-52), 10 (54-56), 11 (58-61), 12 (63-68),
13 (70-74), 14 (76-770, 15 (81-85), 16 (87-90),
17 (93-97), 18 (99-101), 19 (103-107), 20 (109-113),
21 (116-120), 22 (122-126), 23 (128-134),
24 (137-140), 25 (143-146), 26 (148-150);
Texture : APHYRIC, APHANITIC, GLASSY MARGINS AT FOLLOWING
INTERVALS IN CORE (30CM, 41CM, 60CM, 87CM, 92CM,
97CM, 116CM);
Structure : SEVERAL FRACTURES IN PCE 18 INFILLED WITH ALTERATION
PRODUCTS (CLAYS);
Alteration : SLIGHTLY;
Comments : LIGHT GREY COLOR;
Vesicles : Size(mm): <1 Percent: 10
Location: Filling: CALCITE, CLAY.MIN
VESICLES COLLECT IN ZONES APPROXIMATELY 1CM BELOW
GLASSY MARGINS, SOME CLAY INFILLING, OCCASIONAL
CARB;
Replacement: CALCITE
OCCASIONAL INFILLING IN VESICLES;
CLAY MINERALS
LOCATED IN SOME VESICLES AND SEVERAL FRACTURES IN
PCE 18;
Leg : 58 Top/Bottom Interval(mm): 0/ 140 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 354.64
Core: 10 Top of Core Depth (m) : 353.00
Sect: 2 Top of Section Depth(m): 354.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (1-6), 2 (8-12);
Texture : APHYRIC, APHANITIC;
Alteration : SLIGHTLY;
Comments : LIGHT GREY COLOR;
Vesicles : Size(mm): Percent: 10
Leg : 58 Top/Bottom Interval(mm): 140/ 200 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 354.70
Core: 10 Top of Core Depth (m) : 353.00
Sect: 2 Top of Section Depth(m): 354.64
LITHOLOGY: HYALOCLASTIC BRECCIA;
Piece No. : PCE 3 (15-19);
Texture : HYALOCLASTIC BRECCIA CEMENTE,D WITH CALCITE, GLASSY
MARGIN, CALCITE CEMENT IS WHITE CLAY;
Structure : BRECCIATED AND CEMENTED BY WHITE CLAY;
Alteration : FRESH;
Replacement: CALCITE
WHITE CLAY IS CEMENT FOR THE BRECCIA;
Leg : 58 Top/Bottom Interval(mm): 0/ 140 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 362.64
Core: 11 Top of Core Depth (m) : 362.50
Sect: 1 Top of Section Depth(m): 362.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (1-8), 2 (10-13);
Texture : APHYRIC, APHANITIC, PCE 1 IS SURROUNDED BY GLASSY
MARGIN AND DARK ZONE FROM 1-5MM THICK;
Structure : SOME FRACTURES CONTAINING CALCITE, PCE 1 IS A PILLOW
BUD WITH RADIATING PIPE VESICLES;
Alteration : MOD;
Comments : LIGHT GREY COLOR;
Vesicles : VESICULAR ZONE 1CM FROM SURFACE WITH LINEAR
GROUPS OF VESICLES NORMAL TO SURFACE WITH SOME
LINED WITH SMEC;
Replacement: CALCITE
FOUND IN SOME FRACTURES;
SMECTITE
FOUND LINING SOME VESICLES;
Leg : 58 Top/Bottom Interval(mm): 140/1280 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 363.78
Core: 11 Top of Core Depth (m) : 362.50
Sect: 1 Top of Section Depth(m): 362.64
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 3 (15-19), 4 (21-25), 5 (26-31), 6 (34-37),
7 (41-44), 8 (46-51), 9 (53-56), 10A (60-65),
10B (65-70), 11 (72-77), 12 (79-84), 13 (87-94),
14 (96-104), 15 (106-111), 16 (113-120),
17 (122-127);
Texture : APHYRIC, SOME GLASSY MARGINS;
Alteration : MOD;
Comments : LIGHT GREY-GREEN COLOR EXCEPT FOR DARK GREY ZONES
NEXT TO GLASSY MARGINS (APPROX. 5MM THICK);
Vesicles : PCE 13 AND 16 HAVE ABUNDANT LARGE 1-3MM INFILLED
VESICLES POSSIBLY FORMED DURING ACCRETION OF
SMALLER VESICLES (<1MM);
Leg : 58 Top/Bottom Interval(mm): 1280/1500 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 364.00
Core: 11 Top of Core Depth (m) : 362.50
Sect: 1 Top of Section Depth(m): 363.78
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 18 (129-134), 19 (137-141), 20 (142-149);
Texture : APHYRIC;
Alteration : MOD;
Comments : LIGHT GREY COLOR;
Vesicles : Size(mm): <1 Percent: 30
TWO LINEAR GROUPS OF LARGER VESICLES LINED WITH
ALTERATION PRODUCTS IN PCE 20;
Leg : 58 Top/Bottom Interval(mm): 0/1380 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 365.38
Core: 11 Top of Core Depth (m) : 362.50
Sect: 2 Top of Section Depth(m): 364.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (0-8), 2 (11-14), 3 (17-23), 4 (26-30),
5 (33-35), 6 (38-46), 7 (48-55), 8 (58-61),
9 (63-68), 10 (70-77), 11 (78-82), 12A (85-94),
12B (94-100), 13 (102-108), 14 (111-114),
15 (116-119), 16 (122-129), 17 (132-137);
Texture : APHYRIC, PCE 1 HAS A GLASSY ZONE SHOWING ALTERATION
TO PALAG, PCE 12A HAS A GLASSY ZONE COMPLETELY
REPLACED BY YELLOW PALAG AND CHILLED ALTERED
MARGINS;
Alteration : SLIGHTLY;
PCES (3,5,10,11,16,17);
MOD
PCES (1,2,4,6,7,8,9,12,13,14,15);
Comments : PCE 6 CONSISTS OF DRILLING BRECCIA, LIGHT GREY COLOR
WHEN LIGHTLY TO MOD WEATHERED AND GREEN-GREY WHEN
MOD WEATHERED;
Vesicles : SOME VESICLES LINED BY BROWN ALTERATION PRODUCT
AND OTHERS BY LIGHT OLIVE GREEN SMEC;
Replacement: PALAGONITE
Minerals Replaced: GLASS
YELLOW, PCE 1 AND 12A REPLACEMENT OF GLASSY ZONE;
SMECTITE
LIGHT OLIVE GREEN FOUND LINING SOME VESICLES;
Leg : 58 Top/Bottom Interval(mm): 0/ 670 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 366.17
Core: 11 Top of Core Depth (m) : 362.50
Sect: 3 Top of Section Depth(m): 365.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (1-5), 2 (7-14), 3 (16-28), 4 (32-36),
5 (41-45), 6 (47-54), 7 (57-67);
Texture : APHYRIC;
Alteration : SLIGHTLY;
PCES 3-7;
MOD
PCES 1-2;
Comments : PCE 6 CONSISTS OF DRILLING BRECCIA, BASALT IS LIGHT
GREY COLOR WHEN SLIGHTLY ALTERED AND GREY-GREEN WHEN
MOD ALTERED;
Vesicles : INTERVAL 10-20CM CONTAINS SEVERAL LARGE VESICLES
3-10MM ACROSS AND ARE LINED WITH LIGHT GREY OR
BROWN MATERIAL, ROCKS IN SECTION ARE VESICULAR;
Replacement: LIGHT GREY OR BROWN MATERIAL LINES LARGE VESICLES
IN INTERVAL 10-20CM, PCE 7 HAS AN ALTERATION ZONE
OF BROWN COLORATION;
Leg : 58 Top/Bottom Interval(mm): 0/1250 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 373.25
Core: 12 Top of Core Depth (m) : 372.00
Sect: 1 Top of Section Depth(m): 372.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (1-5), 2 (7-11), 3 (13-17), 4 (19-25),
5 (27-31), 6 (32-44), 7 (46-49), 8 (52-60),
9 (63-68), 10 (71-77), 11 (79-83), 12 (85-91),
13 (94-100), 14 (102-109), 15 (111-124);
Texture : APHYRIC, CHILL ZONES BELOW GLASS (RELATIVELY FRESH);
Alteration : SLIGHTLY;
PCE 1;
MOD
ALL OTHER PCES;
Comments : PCES 10-14 CONSIST OF DRILLING BRECCIA, BASALT IS
LIGHT GREY COLOR WHEN SLIGHTLY TO MOD ALTERED, GREEN
GREY WHEN MOD ALTERED;
Vesicles : Size(mm): 1-5 Percent: 30-40
INTERVALS 0-5 AND 33-39 AND 96-99 AND 113-125CM;
Size(mm): <1 Percent: 10
ALL OTHER AREAS, ALL VESICLES LINED WITH SMEC+CARB
OR BROWN MATERIAL;
Replacement: SMECTITE
CALCITE
BOTH OR BROWN MATERIAL LINE VESICLES;
Leg : 58 Top/Bottom Interval(mm): 0/ 300 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 381.80
Core: 13 Top of Core Depth (m) : 381.50
Sect: 1 Top of Section Depth(m): 381.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (1-3), 2 (6-10), 3 (12-15), 4 (18-20),
5 (24-28);
Texture : APHYRIC, APHANITIC;
Alteration : MOD;
Comments : GREEN GREY COLOR;
Vesicles : Size(mm): <1 Percent: 20-30
Leg : 58 Top/Bottom Interval(mm): 300/1300 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 382.80
Core: 13 Top of Core Depth (m) : 381.50
Sect: 1 Top of Section Depth(m): 381.80
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 6 (31-43), 7 (46-50), 8 (52-57), 9 (52-69),
10 (72-78), 11 (79-87), 12 (90-99), 13 (101-103),
14 (105-112), 15 (115-118), 16 (121-127);
Texture : APHYRIC, NO GLASS MARGINS OR CHILLED ZONES IN THIS
SECTION, UNIFORM TEXTURE;
Alteration : SLIGHTLY;
MOD;
Comments : GREEN TINGED LIGHT GREY COLOR;
Leg : 58 Top/Bottom Interval(mm): 1300/1390 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 382.89
Core: 13 Top of Core Depth (m) : 381.50
Sect: 1 Top of Section Depth(m): 382.80
LITHOLOGY: DRILLING BRECCIA;
Piece No. : PCE 17 (130-139);
Texture : BRECCIA INCLUDES GLASS FRAGMENTS;
Alteration : MOD;
Leg : 58 Top/Bottom Interval(mm): 1390/1500 Analyst: Marsh, N.
Hole: 442B Sample Midpoint (m) : 383.00
Core: 13 Top of Core Depth (m) : 381.50
Sect: 1 Top of Section Depth(m): 382.89
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 18 (142-148);
Texture : APHYRIC, APHANITIC;
Alteration : MOD;
Comments : GREEN GREY COLOR;
Vesicles : Size(mm): Percent: 10
7.5% OF THE TOTAL 10 PERCENT IS BETWEEN 1 AND 5CM
ACROSS, ROCK IS VESICULAR;
Leg : 58 Top/Bottom Interval(mm): 0/1500 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 384.50
Core: 13 Top of Core Depth (m) : 381.50
Sect: 2 Top of Section Depth(m): 383.00
LITHOLOGY: APHYRIC BASALT;
PILLOW BASALT;
Piece No. : PCES 1 (0-10), 2 (12-15), 3 (17-23), 4 (25-29),
5 (32-36), 6 (38-44), 7 (46-50), 8A (53-57),
8B (58-64), 9 (66-70), 10 (73-77), 11 (80-85),
12A (87-91), 12B (92-95), 13 (97-105), 14 (107-114),
15 (115-120), 16 (121-125), 17 (127-135),
18 (139-147);
Texture : APHYRIC,FINE-GRAINED TO APHANITIC,GLASSY CHILL
MARGIN PCE 17;
Structure : <<1% AMYGDULES FILLED WITH CALCITE,CALCITE-FILLED
VEINS MAY BE FILLED WITH ADDITIONAL MINERAL ZEOL(?)
IN PCES 1-5+8+10-11+17,VEINS IN CENTER OF SAMPLE 17
& ON THE SIDE OF THE OTHER PCES,PILLOW BASALT;
Alteration : MOD
Vesicles : Size(mm): Percent: 0-15
MOST VESICLES ARE FINE,COMPOSITE VESICLES IN PCES
8+16-17 CONTAIN VESICULAR DARK BASALT;
Phenocrysts: PLAGIOCLASE
LATHS JUST VISIBLE;
Replacement: CALCITE
FILLING VEINS;
ZEOLITE
ID UNCERTAIN,THOUGHT TO BE PRESENT IN VEINS;
Leg : 58 Top/Bottom Interval(mm): 0/ 100 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 384.60
Core: 13 Top of Core Depth (m) : 381.50
Sect: 3 Top of Section Depth(m): 384.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (1-8);
Texture : APHYRIC;
Structure : CRACKS CONTAIN SOME CALCITE, LESS THAN ONE PERCENT
CALCITE AMYGDULES;
Alteration : MOD;
Vesicles : Size(mm): Percent: <1
Replacement: CALCITE
FOUND IN CRACKS AND AMYGDULES;
Leg : 58 Top/Bottom Interval(mm): 100/ 170 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 384.67
Core: 13 Top of Core Depth (m) : 381.50
Sect: 3 Top of Section Depth(m): 384.60
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 2 (11-16);
Texture : APHYRIC, HAS GLASSY RIND;
Alteration : MOD;
Vesicles : VESICULAR, COMPOSITE VESICLES WITH HIGHLY
VESICULAR DARK BASALT IN THEIR INTERIOR;
Leg : 58 Top/Bottom Interval(mm): 170/ 250 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 384.75
Core: 13 Top of Core Depth (m) : 381.50
Sect: 3 Top of Section Depth(m): 384.67
LITHOLOGY: PLAG-OL SPARSELY PHYRIC BASALT;
Piece No. : PCE 3 (18-24);
Texture : PLAG-OL SPARSELY PHYRIC, FINE GRAINED;
Structure : A FEW AMYGDULES (POSSIBLY IDDINGSITIZED OLIVINE);
Alteration : MOD;
Vesicles : Size(mm): Percent: 3
FINE;
Phenocrysts: PLAGIOCLASE ( <<1%)
Size(mm): 3X1
SMALL;
Replacement: IDDINGSITE
Minerals Replaced: OL
AMYGDULES;
Leg : 58 Top/Bottom Interval(mm): 0/1300 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 392.30
Core: 14 Top of Core Depth (m) : 391.00
Sect: 1 Top of Section Depth(m): 391.00
LITHOLOGY: BASALT;
Piece No. : PCE 1 (1-5), 2 (8-11), 3 (14-17), 4 (20-24),
5 (27-33), 6 (34-46), 7 (48-52), 8 (54-59),
9 (61-66), 10 (68-72), 11 (73-77), 12 (80-89),
13 (100-105), 14 (107-114), 15 (117-122),
16 (125-130);
Texture : FINE GRAINED TO APHANITIC, GLASS CHILL ZONE;
Structure : CARB AMYGDULES <1%, CARB VEINS AND COATINGS COMMON
ON MANY SAMPLES;
Alteration : MOD;
Vesicles : Size(mm): Percent: <1-10
MANY SAMPLES HAVE PIPE VESICLES AT RIGHT ANGLES TO
CHILL MARGINS, THESE ARE GENERALLY COMPOSITE
VESICLES FILLED WITH DARK GREY HIGHLY VESICULAR
BASALT;
Replacement: CALCITE
FOUND IN AMYGDULES, VEINS AND COATINGS;
Leg : 58 Top/Bottom Interval(mm): 0/ 460 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 392.96
Core: 14 Top of Core Depth (m) : 391.00
Sect: 2 Top of Section Depth(m): 392.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (0-5), 2 (7-11), 3 (13-20), 4 (23-30),
5 (33-36), 6 (40-45);
Texture : APHYRIC, THICK OUTER 1CM PALAG ZONE ON GLASS ZONE IN
PCE 2, GLASSY CHILL ZONE ON PCE 6;
Structure : CALCITE VEINS AND AMYGDULES IN PCES 1-3;
Alteration : MOD
PCES 1-3;
SLIGHTLY
PCES 4-5, NOTHING RECORDED FOR PCE 6 FOR
ALTERATION;
Comments : GREY COLORED BASALT PCES 4-5;
Vesicles : Size(mm): Percent: 3-5
Location: Filling: BASALT
COMPOSITE VESICLES FILLED WITH DARK VESICULAR
BASALT, MEDIUM TO COARSE PCES 1-3;
Size(mm): Percent: 30
FINE VESICLES WITH NUMEROUS BROWN INCLUSIONS IN
PCES 4-5;
Size(mm): Percent: 0
PCE 6 IS NON-VESICULAR;
Replacement: CALCITE
FILLING VEINS IN PCES 1-3;
PALAGONITE
PCE 2;
Leg : 58 Top/Bottom Interval(mm): 0/1050 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 401.55
Core: 15 Top of Core Depth (m) : 400.50
Sect: 1 Top of Section Depth(m): 400.50
LITHOLOGY: APHYRIC BASALT;
PILLOW;
Piece No. : PCE 1 (0-5), 2 (7-13), 3 (15-19), 4 (21-27),
5 (29-31), 6 (33-36), 7 (39-45), 8 (47-530,
9 (5-58), 10 (61-63), 11 (65-70), 12 (73-77),
13 (82-87), 14 (91-95), 15 (97-102);
Texture : APHYRIC, PILLOW RINDS COMMON AND APPEAR TO ZONE FROM
NONVESICULAR GLASS TO DENSE BROWN APHANITIC
FINE GRAINED BASALT INTO DARK GREY LIGHTLY WEATHERED
VESICULAR BASALT, FOUR GLASSY CHILLED MARGINS;
Alteration : MOD
PCES 1-7;
SLIGHTLY
PCES 9 AND 11;
EXT
PCE 8;
Comments : GREY BASALT HAS BROWN VESICULAR INCLUSIONS 5MM
ACROSS, EXTERIOR OF PILLOW RIND OF SAMPLE 2 IS
COATED WITH 1MM THICK OF XTLN CARB;
Vesicles : Size(mm): Percent: 30
IN VESICULAR BASALT;
Size(mm): Percent: 5
IN DENSE BROWN REGION, VESICLES ARE MEDIUM SIZED;
Size(mm): Percent: 0
GLASS REGION GENERALLY HAS NO VESICLES;
Groundmass : APHANITIC;
Leg : 58 Top/Bottom Interval(mm): 0/1470 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 411.47
Core: 16 Top of Core Depth (m) : 410.00
Sect: 1 Top of Section Depth(m): 410.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (0-10), 2 (11-15), 3 (17-21), 4 (23-32),
5 (34-45), 6 (46-50), 7 (51-55), 8 (57-60),
9 (62-66), 10 (67-73), 11 (74-76), 12 (77-83),
13 (84-86), 14 (87-93), 15 (95-99), 16 (100-109),
17 (110-116), 18 (118-124), 19 (125-135),
20 (137-140), 21 (140-146);
Texture : APHYRIC, FINE GRAINED NOTED IN ALL BUT PCES 6-7,
PILLOW RIND IN PCE 2 ONLY GLASS IN CORE AND IS
ORIENTED VERTICALLY, CHILL MARGIN IN PCE 7;
Alteration : SLIGHTLY;
Comments : DARK GREY COLOR PCES 2-5, GREY BROWN COLOR PCE 6,
REDDISH GREY COLOR PCE 7;
Vesicles : Size(mm): Percent: 20
FINE VESICLES IN PCE 1;
Size(mm): Percent: 3
COARSE VESICLES IN PCE 1;
COMPOSITE VESICLES OF HIGHLY VESICULAR BASALT
IN GREY BASALT;
Size(mm): Percent: 10
FINE IN PCES 2-5 AND MEDIUM IN PCE 7;
Size(mm): Percent: 7
MEDIUM VESICLES IN PCES 2-5;
Size(mm): Percent: 20
PCE 6, NO MEDIUM VESICLES--ONLY FINE;
Size(mm): Percent: 2
FINE VESICLES PCE 7;
Size(mm): Percent: <1
FINE VESICLES AT TOP WITH NONE AT BASE OF SECTION
PCES 8-21;
Leg : 58 Top/Bottom Interval(mm): 0/ 650 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 412.15
Core: 16 Top of Core Depth (m) : 410.00
Sect: 2 Top of Section Depth(m): 411.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (0-9), 2 (12-16), 3 (17-28), 4 (30-39),
5 (42-44), 6 (45-48), 7 (51-55), 8 (57-63);
Texture : APHYRIC, SIMILAR TO BOTTOM INTERVAL OF PREVIOUS
SECTION;
Alteration : SLIGHTLY;
Comments : LIGHT GREY COLOR;
Vesicles : Size(mm): Percent: <<1-5
VESICLES INCREASE TOWARDS BASE OF SECTION, FINE
VESICLES;
Leg : 58 Top/Bottom Interval(mm): 0/1500 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 418.50
Core: 17 Top of Core Depth (m) : 417.00
Sect: 1 Top of Section Depth(m): 417.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (0-7), 2 (10-12), 3 (13-16), 4 (18-21),
5 (23-26), 6 (27-31), 7 (33-35), 8 (37-40),
9 (42-45), 10 (46-49), 11 (51-54), 12 (57-61),
13 (63-69), 14 (70-75), 15 (77-80), 16 (82-86),
17 (87-91), 18 (93-96), 19 (96-98), 20 (100-108),
21 (110-115), 22 (116-119), 23 (121-123),
24 (125-129), 25 (131-133), 26 (135-137),
27 (139-141), 28 (142-147);
Texture : APHYRIC, FINE GRAINED TO APHANITIC, GLASS ON PCES
(1,16-23,28), RIND HAS A THICK PALAG ZONE 2-3MM ON
PCE 1;
Structure : FRACTURE SURFACE ON PCE 17;
Alteration : SLIGHTLY;
Comments : XTLN CALCITE COATING GLASS RIND ON PCE 1, INDURATED
SEDIMENT WITH PALAG FRAGMENTS ADHERING TO FRACTURE
SURFACE OF THE BASALT PCE 17, BASALT IS GREY;
Vesicles : Size(mm): Percent: 10-25
SOME SAMPLES HAVE COMPOSITE VESICLES;
Phenocrysts: PLAGIOCLASE ( <<1%)
VERY SMALL PLAG PHENOS;
Replacement: PALAGONITE
PCES 1AND 17;
CALCITE
PCE 1;
Leg : 58 Top/Bottom Interval(mm): 0/ 150 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 418.65
Core: 17 Top of Core Depth (m) : 417.00
Sect: 2 Top of Section Depth(m): 418.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (0-5), 2 (6-8), 3 (10-14);
Texture : APHYRIC, APHANITIC, PILLOW RINDS, RIM 1CM THICK OF
SEDIMENT AND PALAG ON PCES 1 AND 3;
Alteration : SLIGHTLY;
Vesicles : VESICULAR;
Phenocrysts: PLAGIOCLASE ( <1%)
VERY SMALL PLAG PHENOS;
Replacement: PALAGONITE
PCES 1 AND 3;
Leg : 58 Top/Bottom Interval(mm): 0/ 740 Analyst: Dick, H.
Hole: 442B Sample Midpoint (m) : 427.24
Core: 18 Top of Core Depth (m) : 426.50
Sect: 1 Top of Section Depth(m): 426.50
LITHOLOGY: APHYRIC BASALT;
PILLOW;
Piece No. : PCE 1 (0-2), 2 (3-6), 3 (7-10), 4 (11-15),
5 (17-19), 6 (20-23), 7 (24-26), 8 (27-31),
9 (33-35), 10 (37-39), 11 (40-44), 12 (45-50),
13 (51-53), 14 (54-50), 15 (61-64), 16 (66-73);
Texture : APHYRIC, GLASS RINDS ON PCES 3 AND 13;
Alteration : MOD
Comments : TALUS NATURE CLEARLY INDICATED BY PRESENCE OF
ANGULAR FRAGMENTS OF BASALT COVERED WITH FREE
GROWING XTLN CALCITE ON ALL SIDES OF PCES 2 AND 4 AN
13, DESCRIBED AS RUBBLE, GREY COLOR;
Vesicles : Size(mm): Percent: 1-20
VESICULAR;
Replacement: CALCITE
ON PCES 2 AND 4 AND 13;
Leg : 58 Top/Bottom Interval(mm): 0/1500 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 437.50
Core: 19 Top of Core Depth (m) : 436.00
Sect: 1 Top of Section Depth(m): 436.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (1-5), 2 (7-14), 3 (15-21), 4 (25-30),
5 (32-37), 6 (40-55), 7 (57-65), 8 (67-73),
9 (75-78), 10 (80-84), 11 (86-90), 12 (92-97),
13 (100-103), 14 (104-107), 15 (109-111),
16 (113-116), 17 (119-122), 18 (124-127),
19 (130-135), 20 (135-140), 21 (143-150);
Texture : APHYRIC, FINE GRAINED IN PCES 1-2, DARK GLASS ON
ONE SIDE OF SURFACE PCES 1-2, DENSE BASALT PCES
13-21;
Alteration : SLIGHTLY;
Comments : ROCK IS DARK GREY, BORDER IS GREY AND 1-2MM ON PCES
1-2;
Vesicles : Size(mm): <1 Percent: 5-10
PCES 1-2;
Size(mm): 1-2 Percent: 2
PCES 1-2;
Size(mm): <1 Percent: 10-15
UNFILLED, ALL PCES EXCEPT 1-2, ALL OF SECTION IS
VESICULAR;
Leg : 58 Top/Bottom Interval(mm): 0/ 700 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 438.20
Core: 19 Top of Core Depth (m) : 436.00
Sect: 2 Top of Section Depth(m): 437.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (0-4), 2 (6-9), 3 (13-20), 4 (23-27),
5 (30-35), 6 (37-45), 7 (47-55), 8 (57-60),
9 (60-65), 10 (67-70);
Texture : APHYRIC, FINE GRAINED IN PCES 9-10, GLASS ON ONE
SIDE OF SURFACE PCES 9-10, UPPER 28CM APPEARS
IDENTICAL TO BASE OF SECTION 1;
Structure : PILLOW LAVA PCES 9-10;
Alteration : SLIGHTLY;
Comments : DARK GREY BASALT;
Vesicles : Size(mm): <1 Percent: 10-15
PCES 1-4;
Size(mm): <.5 Percent: 15
PCES 5-8;
Size(mm): <2 Percent: 5-10
PCES 9-10;
Leg : 58 Top/Bottom Interval(mm): 0/ 660 Analyst: Nisterenko, G.
Hole: 442B Sample Midpoint (m) : 446.16
Core: 20 Top of Core Depth (m) : 445.50
Sect: 1 Top of Section Depth(m): 445.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (0-4), 2 (5-11), 3 (13-17), 4 (18-24),
5 (26-31), 6 (33-38), 7 (40-44), 8 (45-48),
9 (50-55), 10 (55-60), 11 (62-65);
Texture : APHYRIC, FINE GRAINED, GLASS RINDS ON PCES 1-2 AND
10;
Structure : PILLOW LAVA;
Alteration : SLIGHTLY;
Comments : LIGHT GREY TO GREY BASALT;
Vesicles : Size(mm): 2-7 Percent: 3-5
PCES 2-5 AND 8;
Size(mm): <5-7 Percent: 30-40
PCES (1,6,7,9-11), SECTION IS VESICULAR;
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