Leg : 58 Top/Bottom Interval(mm): 0/ 600 Analyst: Marsh, N.
Hole: 444A Sample Midpoint (m) : 240.60
Core: 19 Top of Core Depth (m) : 240.00
Sect: 1 Top of Section Depth(m): 240.00
LITHOLOGY: SEDIMENT;
Leg : 58 Top/Bottom Interval(mm): 600/ 630 Analyst: Marsh, N.
Hole: 444A Sample Midpoint (m) : 240.63
Core: 19 Top of Core Depth (m) : 240.00
Sect: 1 Top of Section Depth(m): 240.60
LITHOLOGY: BASALTIC BRECCIA;
Piece No. : PCE NO PCE NUMBER ASSIGNED (60-62);
Texture : APHYRIC, MEDIUM-GRAINED, FRIABLE, NO EVIDENCE OF
CHILL ZONE WITH SEDIMENTS ABOVE;
Alteration : MOD;
Comments : DARK GREENISH BLACK COLOR, NO EVIDENCE OF BAKED
CONTACT WITH SEDIMENTS ABOVE;
Groundmass : PLAGIOCLASE
CLINOPYROXENE
POSSIBLE MAGN NEEDLES OR CHLORITE PLATES;
Replacement: CALCITE
ZEOLITE
CHLORITE
ID OF CHLORITE PLATES UNCERTAIN;
SULFIDES
ID UNCERTAIN FOR SULFIDES, A FEW DROPS OF DILUTE
HCL EVOLVED HYDROGEN SULFIDE GAS;
Leg : 58 Top/Bottom Interval(mm): 0/ 230 Analyst: Marsh, N.
Hole: 444A Sample Midpoint (m) : 240.85
Core: 19 Top of Core Depth (m) : 240.00
Sect: CC Top of Section Depth(m): 240.72
LITHOLOGY: BASALTIC BRECCIA;
A MIXTURE OF PEBBLES AND BASALTIC SAND;
Piece No. : PCE NO PCE NUMBER ASSIGNED (0-23);
Texture : APHYRIC, MEDIUM-GRAINED;
PEBBLES ARE FRIABLE (0-10), PEBBLES ARE SOLID (10-
23);
Alteration : MOD
(0-10), PEBBLES GREENISH BLACK;
SLIGHTLY
(10-23), PEBBLES LIGHT GRAY;
Vesicles : Size(mm): Percent: 2
Groundmass : PLAGIOCLASE
CLINOPYROXENE
POSSIBLY MAGN NEEDLES OR CHLORITE PLATES;
Replacement: CALCITE
ZEOLITE
CHLORITE
ID UNCERTAIN FOR CHLORITE PLATES;
Leg : 58 Top/Bottom Interval(mm): 0/1500 Analyst: Dick, H.
Hole: 444A Sample Midpoint (m) : 245.00
Core: 20 Top of Core Depth (m) : 243.50
Sect: 1 Top of Section Depth(m): 243.50
LITHOLOGY: MASSIVE BASALT;
DIABASE SILL;
Piece No. : PCE 1 (0-32), 2A (33-42), 2B (42-50), 3 (54-58),
4 (61-67), 5 (72-81), 6A (83-91), 6B (92-109),
6C (109-133), 6D (133-150);
Texture : MEDIUM-GRAINED, COARSER SECTION AT (53-81);
Alteration : FRESH
SOME LARGE PLAGIOCLASE CORES SAUSSURITIZED;
Groundmass : PLAGIOCLASE
CLINOPYROXENE
Replacement: CHLORITE
Leg : 58 Top/Bottom Interval(mm): 0/1410 Analyst: Dick, H.
Hole: 444A Sample Midpoint (m) : 246.41
Core: 20 Top of Core Depth (m) : 243.50
Sect: 2 Top of Section Depth(m): 245.00
LITHOLOGY: MASSIVE BASALT;
DIABASE SILL;
Piece No. : PCE 1A (1-77), 1B (77-85), 1C (85-101),
1D (102-107), 2 (110-120), 3 (123-133), 4 (136-141);
Texture : MEDIUM-GRAINED;
Structure : TALCOSE VEINS ON FRACTURE SURFACE OF PCE 2 AND 3;
Alteration : FRESH;
Groundmass : PLAGIOCLASE
CLINOPYROXENE
Replacement: CHLORITE
TALC
Leg : 58 Top/Bottom Interval(mm): 0/1500 Analyst: Dick, H.
Hole: 444A Sample Midpoint (m) : 248.00
Core: 20 Top of Core Depth (m) : 243.50
Sect: 3 Top of Section Depth(m): 246.50
LITHOLOGY: MASSIVE BASALT;
DIABASE SILL;
Piece No. : PCE 1 (1-25), 2 (26-150);
Texture : MEDIUM-GRAINED;
Alteration : FRESH;
Groundmass : PLAGIOCLASE
CLINOPYROXENE
Replacement: CHLORITE
Leg : 58 Top/Bottom Interval(mm): 0/1170 Analyst: Dick, H.
Hole: 444A Sample Midpoint (m) : 249.17
Core: 20 Top of Core Depth (m) : 243.50
Sect: 4 Top of Section Depth(m): 248.00
LITHOLOGY: MASSIVE BASALT;
DIABASE SILL;
Piece No. : PCE 1A (1-51), 1B (52-66), 1C (67-74), 1D (73-82),
2 (93-111), 3 (113-116);
Texture : MEDIUM TO FINE-GRAINED;
Structure : TALCOSE VEIN, 1MM WIDE AT (63-75);
Alteration : FRESH;
Groundmass : PLAGIOCLASE
CLINOPYROXENE
Replacement: CHLORITE
TALC
Leg : 58 Top/Bottom Interval(mm): 0/1500 Analyst: Dick, H.
Hole: 444A Sample Midpoint (m) : 275.00
Core: 23 Top of Core Depth (m) : 272.00
Sect: 2 Top of Section Depth(m): 273.50
LITHOLOGY: PLAG PHYRIC BASALT;
BASALTIC SILL;
Piece No. : PCE 1 (1-4), 2 (6-8), 3 (10-14), 4 (16-20),
5 (22-26), 6 (27-33), 7 (35-37), 8 (38-40),
9 (42-45), 10 (46-49), 11 (51-55), 12 (57-60),
13 (62-71), 14 (73-91), 15 (93-97), 16 (98-103),
17 (104-111), 18 (103-105), 19 (116-124),
20 (125-130), 21 (132-135), 22A (136-142),
22B (143-150);
Texture : GLASSY, PHENO RICH BASALT WITH ROPEY PAHOEHOE
TEXTURE TO SURFACE (0-10), PLAG PHYRIC BASALT
(10-150);
Vesicles : Size(mm): AMYGDALO Percent: IDAL,
Location: AMYGDULES Filling: LESS ABUNDANT 10
Shape : -150CM;
Alteration : FRESH
CLAY IN AMYGDULES IS SPONGY WHITE TO PALE GREEN
CALCITE AND PYRITE FOUND ON FRACTURE SURFACES;
Vesicles : Size(mm): .5-2 Percent: 5
Phenocrysts: PLAGIOCLASE ( 5-15%)
Size(mm): 2-10
0-10CM, SPINEL INCLUSIONS;
PLAGIOCLASE ( 5-20%)
Size(mm): 2-6
10-150CM, SPINEL INCLUSIONS;
SPINEL
Size(mm): 2-10
0-10CM;
SPINEL
Size(mm): .2
10-150CM;
OLIVINE ( <1%)
Size(mm): 2-3
FOUND ONLY IN (0-10);
Replacement: CALCITE
PYRITE
CLAY
ZEOLITE
Leg : 58 Top/Bottom Interval(mm): 0/1400 Analyst: Nisterenko, G.
Hole: 444A Sample Midpoint (m) : 279.90
Core: 24 Top of Core Depth (m) : 278.50
Sect: 1 Top of Section Depth(m): 278.50
LITHOLOGY: PLAG MODERATELY PHYRIC BASALT;
BASALTIC SILL;
Piece No. : PCE 1 (1-15), 2 (17-25), 3 (27-34), 4 (36-41),
5 (44-46), 6 (48-51), 7 (53-60), 8A (61-76),
8B (76-86), 8C (86-94), 9A (95-97), 9B (97-101),
9C (102-114), 10A (115-120), 10B (122-126),
10C (127-139);
Structure : AMYGDULES 5-10% AND 2MM IN SIZE AT 0-45CM, AT 45-140
1-3% AMYGDULES AND 3-10MM IN SIZE, AT 45-140CM VUGS
OF THE SIZE 3-10MM;
Alteration : SLIGHT
CLAY WITH CALCITE AND/OR ZEOLITE FILLS AMYGDULES,
VESICLES FILLED WITH WHITE TO LIGHT GREEN CLAY;
Vesicles : Size(mm): <2 Percent: 5-10
Location: Filling: CLAY
VESICLES FOUND IN 0-45CM;
Phenocrysts: PLAGIOCLASE ( 5-10%)
Size(mm): 2-5
Replacement: CLAY
CALCITE
ZEOLITE
Leg : 58 Top/Bottom Interval(mm): 0/1500 Analyst: Nisterenko, G.
Hole: 444A Sample Midpoint (m) : 281.50
Core: 24 Top of Core Depth (m) : 278.50
Sect: 2 Top of Section Depth(m): 280.00
LITHOLOGY: PLAG MODERATELY PHYRIC BASALT;
DIABASE SILL;
Piece No. : PCE 1A (1-80), 1B (81-95), 1C (96-104),
1D (105-113), 1E (114-117), 1F (117-122),
2 (124-126), 3 (128-135), 4A (138-141),
4B (142-149);
Texture : FINE TO MEDIUM-GRAINED, PLAG MOD PHYRIC;
Alteration : SLIGHT;
Vesicles : Size(mm): <2 Percent: 2
BEYOND 20CM VESICLES ARE OCCASIONAL, CLAY LINING
SOME VESICLES;
Phenocrysts: PLAGIOCLASE ( 5%)
Size(mm): 2-5
PLAG AND PYX ARE DISCERNIBLE;
Replacement: CLAY
Leg : 58 Top/Bottom Interval(mm): 0/ 280 Analyst: Nisterenko, G.
Hole: 444A Sample Midpoint (m) : 281.78
Core: 24 Top of Core Depth (m) : 278.50
Sect: 3 Top of Section Depth(m): 281.50
LITHOLOGY: PLAG MODERATELY PHYRIC BASALT;
DIABASE SILL;
Piece No. : PCE 1 (1-6), 2 (7-11), 3 (8-27);
Texture : FINE TO MEDIUM-GRAINED, PLAG MOD PHYRIC;
Alteration : SLIGHT;
Vesicles : Size(mm): Percent: 0
Phenocrysts: PLAGIOCLASE ( 5%)
Size(mm): 2-5
PLAG AND PYX DISCERNIBLE;
Leg : 58 Top/Bottom Interval(mm): 0/1500 Analyst: Nisterenko, G.
Hole: 444A Sample Midpoint (m) : 283.00
Core: 25 Top of Core Depth (m) : 281.50
Sect: 1 Top of Section Depth(m): 281.50
LITHOLOGY: PLAG PHYRIC BASALT;
DIABASE SILL;
Piece No. : PCE 1A (1-12), 1B (12-21), 1C (21-31), 1D (31-36),
1E (36-42), 1F (42-55), 1G (55-57), 1H (57-63),
1I (63-67), 2A (69-72), 2B (72-74), 2C (74-76),
2D (76-78), 2E (78-82), 2F (82-85), 3A (86-88),
3B (86-100), 3C (100-104), 3D (104-111),
3E (111-123). 3F (123-131), 3G (131-141),
3H (141-149);
Texture : PLAG % GRADES FROM MOD TO PHYRIC, MEDIUM-GRAINED;
Structure : CHLORITIC VEINS AT 40-45 AND 69-85;
Alteration : FRESH;
Vesicles :
Location: Filling: CLAY
VESICLES WERE FOUND IN PCE 1C AND ID, WERE FILLED
WITH A GREEN MINERAL ALONG WITH CLAY;
Phenocrysts: PLAGIOCLASE ( 10%)
PLAG INCREASES TO 20% BELOW 100CM;
Replacement: CLAY
CHLORITE
Leg : 58 Top/Bottom Interval(mm): 0/1500 Analyst: Nisterenko, G.
Hole: 444A Sample Midpoint (m) : 284.50
Core: 25 Top of Core Depth (m) : 281.50
Sect: 2 Top of Section Depth(m): 283.00
LITHOLOGY: PLAG PHYRIC BASALT;
DIABASE SILL;
Piece No. : PCE 1A (1-17), 1B (17-30), 1C (30-32), 1D (30-43),
1E (43-55), 1F (56-70), 1G (70-103), 1H (103-125),
1I (123-145), 1J (142-149);
Texture : MEDIUM-GRAINED, PLAG PHYRIC;
Alteration : FRESH;
Groundmass : PLAGIOCLASE
PYROXENE
Phenocrysts: PLAGIOCLASE ( 20%)
Leg : 58 Top/Bottom Interval(mm): 0/1500 Analyst: Nisterenko, G.
Hole: 444A Sample Midpoint (m) : 286.00
Core: 25 Top of Core Depth (m) : 281.50
Sect: 3 Top of Section Depth(m): 284.50
LITHOLOGY: PLAG PHYRIC BASALT;
DIABASE SILL;
Piece No. : PCE 1A (1-4), 1B (4-36), 1C (36-50), 1D (50-88),
1E (88-114), 1F (115-123), 1G (124-138),
1H (141-150);
Texture : MEDIUM-GRAINED, PLAG PHYRIC;
Alteration : FRESH;
Groundmass : PLAGIOCLASE
PYROXENE
Phenocrysts: PLAGIOCLASE ( 20%)
Leg : 58 Top/Bottom Interval(mm): 0/ 720 Analyst: Nisterenko, G.
Hole: 444A Sample Midpoint (m) : 286.72
Core: 25 Top of Core Depth (m) : 281.50
Sect: 4 Top of Section Depth(m): 286.00
LITHOLOGY: PLAG PHYRIC BASALT;
DIABASE SILL;
Piece No. : PCE 1A (1-12), 1B (12-22), 1C (23-29), 2 (31-50),
3 (52-59), 4 (63-65), 5 (67-71);
Texture : MEDIUM-GRAINED, PLAG PHYRIC;
Alteration : FRESH;
Groundmass : PLAGIOCLASE
PYROXENE
Phenocrysts: PLAGIOCLASE ( 20%)
Leg : 58 Top/Bottom Interval(mm): 0/ 70 Analyst: Nisterenko, G.
Hole: 444A Sample Midpoint (m) : 291.07
Core: 26 Top of Core Depth (m) : 291.00
Sect: 1 Top of Section Depth(m): 291.00
LITHOLOGY: SEDIMENT;
Piece No. : PCE 1 (1-6);
Leg : 58 Top/Bottom Interval(mm): 70/ 140 Analyst: Nisterenko, G.
Hole: 444A Sample Midpoint (m) : 291.14
Core: 26 Top of Core Depth (m) : 291.00
Sect: 1 Top of Section Depth(m): 291.07
LITHOLOGY: PLAG MODERATELY PHYRIC BASALT;
DIABASE SILL;
Piece No. : PCE 2 (7-14);
Texture : CHILL MARGIN, GLASS WITH GLOMEROCRYSTS OF PLAG,
FINE TO MEDIUM-GRAINED, PLAG MOD PHYRIC;
Alteration : FRESH;
Comments : APPEARS TO HAVE BEEN DROPPED FROM HIGHER IN THE HOLE
Vesicles : Size(mm): <1 Percent: 3
Phenocrysts: PLAGIOCLASE ( 5%)
Size(mm): 1-5
Leg : 58 Top/Bottom Interval(mm): 140/1400 Analyst: Nisterenko, G.
Hole: 444A Sample Midpoint (m) : 292.40
Core: 26 Top of Core Depth (m) : 291.00
Sect: 1 Top of Section Depth(m): 291.14
LITHOLOGY: PLAG PHYRIC BASALT;
DIABASE SILL;
Piece No. : PCE 3A (16-31), 3B (37-55), 3C (54-82), 3D (82-104);
Texture : PLAG PHYRIC;
Alteration : SLIGHT;
Vesicles : Size(mm): Percent: 0
Groundmass : PLAGIOCLASE
PYROXENE
Phenocrysts: PLAGIOCLASE (15-20%)
Size(mm): 1-10
Leg : 58 Top/Bottom Interval(mm): 0/1200 Analyst: Nisterenko, G.
Hole: 444A Sample Midpoint (m) : 293.70
Core: 26 Top of Core Depth (m) : 291.00
Sect: 2 Top of Section Depth(m): 292.50
LITHOLOGY: PLAG PHYRIC BASALT;
DIABASE SILL;
Piece No. : PCE 1A (1-37), 1B (36-104), 1C (103-119);
Texture : MEDIUM-GRAINED, PLAG PHYRIC;
Structure : TWO CHLORITIC VEINS AT 26 AND 108CM, WITH ALTERATION
ZONES 10-15MM WIDE;
Alteration : SLIGHTLY
PYRITE AND CHLORITE ARE PRESENT IN VEINS, SULFIDE
MINERALS ARE PRESENT ALSO;
Groundmass : PLAGIOCLASE
PYROXENE
Phenocrysts: PLAGIOCLASE (15-20%)
Size(mm): 1-5
Replacement: CHLORITE
PYRITE
SULFIDE
Leg : 58 Top/Bottom Interval(mm): 0/1500 Analyst: Marsh, N.
Hole: 444A Sample Midpoint (m) : 295.50
Core: 26 Top of Core Depth (m) : 291.00
Sect: 3 Top of Section Depth(m): 294.00
LITHOLOGY: PLAG PHYRIC BASALT;
DIABASE SILL;
Piece No. : PCE 1A (0-45), 1B (45-50), 1C (51-54), 1D (55-65),
2 (67-87), 3 (91-94), 4A (97-105), 4B (105-115),
4C (115-122), 5 (124-127), 6A (132-147),
6B (146-149);
Texture : MEDIUM-GRAINED, PLAG PHYRIC;
Structure : ODD CARBONATE-FILLED VEIN;
Alteration : SLIGHTLY
SAUSSURITIZED CORES IN LARGE PLAG PHENOS;
Comments : LIGHT GRAY COLOR;
Groundmass : PLAGIOCLASE
Size(mm): .5-1
PYROXENE
Size(mm): .5-1
OLIVINE
Size(mm): .5-1
Phenocrysts: PLAGIOCLASE (15-20%)
Size(mm): 1-8
PLAG PHENOS DISPLAY CARLSBAD TWINNING;
Replacement: CARBONATE
Leg : 58 Top/Bottom Interval(mm): 0/1220 Analyst: Marsh, N.
Hole: 444A Sample Midpoint (m) : 296.72
Core: 26 Top of Core Depth (m) : 291.00
Sect: 4 Top of Section Depth(m): 295.50
LITHOLOGY: PLAG PHYRIC BASALT;
DIABASE SILL;
Piece No. : PCE 1 (0-9), 2A (11-26), 2B (26-35), 2C (35-41),
2D (42-45), 3 (47-51), 4 (54-56), 5 (57-63),
6 (65-73), 7 (74-75), 8 (77-87), 9 (90-95),
10A (97-104), 10B (105-121);
Texture : MEDIUM-GRAINED, PLAG PHYRIC;
Structure : ODD CARB VEIN, FRACTURE OR VEIN LINED BY CHLORITIC/
CLAY/TALC MATERIAL 110-121CM;
Alteration : SLIGHTLY
FERRIC OXIDE ALTERATION ON SURFACE OF FRACTURE,
LARGE PLAG PHENOS WITH SAUSSURITIZED CORES;
Comments : LIGHT GRAY COLOR;
Groundmass : PLAGIOCLASE
Size(mm): .5-1
PYROXENE
Size(mm): .5-1
OLIVINE ( RARE%)
Size(mm): .5-1
Phenocrysts: PLAGIOCLASE (15-20%)
Size(mm): 1-15
Replacement: CHLORITE
CARBONATE
CALCITE
CLAY
TALC
FERROUS OXIDE
Leg : 58 Top/Bottom Interval(mm): 1220/1400 Analyst: Marsh, N.
Hole: 444A Sample Midpoint (m) : 296.90
Core: 26 Top of Core Depth (m) : 291.00
Sect: 4 Top of Section Depth(m): 296.72
LITHOLOGY: DRILLING BRECCIA;
Piece No. : PCE 11 (122-140);
Leg : 58 Top/Bottom Interval(mm): 0/1350 Analyst: Marsh, N.
Hole: 444A Sample Midpoint (m) : 301.85
Core: 27 Top of Core Depth (m) : 300.50
Sect: 1 Top of Section Depth(m): 300.50
LITHOLOGY: PLAG PHYRIC BASALT;
DIABASE SILL;
Piece No. : PCE 1 (0-4), 2 (6-8), 3A (10-67), 3B (67-97),
3C (97-135);
Texture : MEDIUM-GRAINED, PLAG PHYRIC;
Structure : ODD CARB-LINED VEINS;
Alteration : SLIGHTLY
SOME SAUSSURITIZED PLAG PHENO CORES;
Comments : LIGHT GRAY COLOR;
Groundmass : PLAGIOCLASE
Size(mm): .5-1
PYROXENE
Size(mm): .5-1
OLIVINE
SOME ODD LARGER GRAINS OF OL FOUND IN THE
GNDMASS;
Phenocrysts: PLAGIOCLASE (15-20%)
Size(mm): 1-15
Replacement: CARBONATE
PYRITE
Leg : 58 Top/Bottom Interval(mm): 0/1350 Analyst: Marsh, N.
Hole: 444A Sample Midpoint (m) : 303.35
Core: 27 Top of Core Depth (m) : 300.50
Sect: 2 Top of Section Depth(m): 302.00
LITHOLOGY: PLAG PHYRIC BASALT;
DIABASE SILL;
Piece No. : PCE 1A (0-18), 1B (18-44), 1C (43-78), 1D (88-135);
Texture : MEDIUM-GRAINED, PLAG PHYRIC;
Structure : ODD CARB-FILLED VEIN, CARB AND CHLORITE/CLAY VEIN
FILLING FRACTURES AT 44 AND 79CM;
Alteration : SLIGHTLY;
Comments : LIGHT GRAY COLOR;
Groundmass : PLAGIOCLASE
PYROXENE
OLIVINE
SOME OL AND PYX GRAINS IN THE GNDMASS ARE
LARGER;
Phenocrysts: PLAGIOCLASE (15-20%)
Size(mm): .5-1
Replacement: CHLORITE
CARBONATE
CLAY
PYRITE
Leg : 58 Top/Bottom Interval(mm): 0/1500 Analyst: Marsh, N.
Hole: 444A Sample Midpoint (m) : 305.00
Core: 27 Top of Core Depth (m) : 300.50
Sect: 3 Top of Section Depth(m): 303.50
LITHOLOGY: PLAG PHYRIC BASALT;
DIABASE SILL;
Piece No. : PCE 1A (0-25), 1B (26-40), 1C (26-40), 1D (42-51),
1E (53-59), 2 (62-65), 3 (68-72), 4A (74-85),
4B (86-90), 4C (90-97), 4D (98-109), 4E (110-114),
5A (116-130), 5B (122-130), 5C (131-149);
Texture : MEDIUM-GRAINED, PLAG PHYRIC;
Structure : ODD CARB-FILLED VEIN, AND SEVERAL CARB + SMEC/
CHLORITE-LINED FRACTURES BETWEEN PCES 1B+1C, 4B +
4C+4D, 5A+5B, VEIN WITH ACICULAR XTLS OF CARB
THAT ARE CLEAR AND 1-2MM LONG BETWEEN 1D+1E;
Alteration : SLIGHTLY
SAUSSURITIZED CORES OBSERVED IN SOME LARGE PLAG
PHENOS;
Comments : LIGHT GRAY COLOR;
Groundmass : PLAGIOCLASE
Size(mm): .5-1
PYROXENE
Size(mm): .5-1
OLIVINE
Size(mm): .5-1
Phenocrysts: PLAGIOCLASE (15-20%)
Size(mm): 1-15
Replacement: CARBONATE
CHLORITE
SMECTITE
Leg : 58 Top/Bottom Interval(mm): 0/1500 Analyst: Marsh, N.
Hole: 444A Sample Midpoint (m) : 306.50
Core: 27 Top of Core Depth (m) : 300.50
Sect: 4 Top of Section Depth(m): 305.00
LITHOLOGY: PLAG PHYRIC BASALT;
DIABASE SILL;
Piece No. : PCE 1A (0-14), 1B (14-24), 1C (15-32), 1D (32-34),
2 (36-39), 3A (42-75), 3B (76-82), 3C (82-95),
4A (96-100), 4B (100-117), 4C (114-132),
5 (134-140), 6 (142-144), 7 (147-149);
Texture : MEDIUM-GRAINED, PLAG PHYRIC;
Structure : ODD CARB AND CHLORITE/CLAY-LINED VEINS THAT CAUSED
FRACTURES AT 12, 31, 81, AND 114CM;
Alteration : SLIGHTLY;
Comments : LIGHT GRAY COLOR;
Groundmass : PLAGIOCLASE
Size(mm): .5-1
PYROXENE
Size(mm): .5-1
OLIVINE
Size(mm): .5-1
Phenocrysts: PLAGIOCLASE (15-20%)
Size(mm): 1-15
Replacement: CARBONATE
CHLORITE
CLAY
Leg : 58 Top/Bottom Interval(mm): 0/1000 Analyst: Nisterenko, G.
Hole: 444A Sample Midpoint (m) : 307.50
Core: 27 Top of Core Depth (m) : 300.50
Sect: 5 Top of Section Depth(m): 306.50
LITHOLOGY: PLAG PHYRIC BASALT;
DIABASE SILL;
Piece No. : PCE 1 (0-3), 2 (6-8), 3 (9-12), 4 (14-18),
5A (21-26), 5B (25-47), 6A (50-55), 6B (54-56),
7 (60-65), 8 (67-77), 9 (80-85), 10 (87-93),
11 (96-99);
Texture : MEDIUM-GRAINED, PLAG PHYRIC;
Structure : ODD CARB-LINED VEIN, THICK CARB SMEC/CHLORITE VEIN
IN PCE 4 AT 18CM, FRACTURES LINED BY CARB AND
SMEC/CHLORITE AT 25 AND 55CM;
Alteration : SLIGHTLY;
Comments : LIGHT GRAY COLOR;
Groundmass : PLAGIOCLASE
Size(mm): .5-1
OLIVINE
SOME ODD PYX 1-2MM AND OL;
Phenocrysts: PLAGIOCLASE (15-20%)
Size(mm): 1-15
Replacement: CARBONATE
SMECTITE
CHLORITE
|
