Leg : 37 Top/Bottom Interval(mm): 540/ 610 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 104.11
Core: 6 Top of Core Depth (m) : 102.00
Sect: 2 Top of Section Depth(m): 104.04
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1-2 (54-61);
Texture : APHYRIC, FINE-GRAINED;
Alteration : FRESH;
Leg : 37 Top/Bottom Interval(mm): 630/ 770 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 104.27
Core: 6 Top of Core Depth (m) : 102.00
Sect: 2 Top of Section Depth(m): 104.13
LITHOLOGY: BAKED SEDIMENT;
INCLUDES LAYER OF PHYRIC BASALT (SAME AS PCES 7-12
DESCRIBED IN REST OF SECTION);
Piece No. : PCES 3-4 (63-69), 5 (70-74), 6 (75-77);
Leg : 37 Top/Bottom Interval(mm): 800/1300 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 104.80
Core: 6 Top of Core Depth (m) : 102.00
Sect: 2 Top of Section Depth(m): 104.30
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCE 7 (80-87), 8 (89-97), 9 (99-104), 10 (106-110),
11 (111-121), 12 (123-130);
Texture : PHYRIC, FINE-GRAINED GROUNDMASS, RARE GLASS;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <1 Percent:
ABUNDANT;
Phenocrysts: PLAGIOCLASE ( 20%)
Size(mm): 10
OLIVINE ( 1%)
Size(mm): <1
OL PHENOCRYSTS ARE RARE;
Leg : 37 Top/Bottom Interval(mm): 0/1080 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 112.58
Core: 7 Top of Core Depth (m) : 111.50
Sect: 1 Top of Section Depth(m): 111.50
LITHOLOGY: PLAG SPARSELY PHYRIC TO PHYRIC BASALT;
Piece No. : PCE 1 (4-11), 2 (13-22), 3 (25-28), 4 (30-34),
5 (36-45), 6 (47-51), 7 (54-58), 8 (61-70),
9 (72-79), 10 (81-87), 11 (89-99), 12 (101-107);
Texture : PHYRIC, FINE-GRAINED GROUNDMASS, RARE GLASS AND
GLASSY MARGINS;
Structure : RARE VEINS;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <1 Percent:
COMMON;
Phenocrysts: PLAGIOCLASE (15-20%)
Size(mm): <10
Leg : 37 Top/Bottom Interval(mm): 1100/1450 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 112.95
Core: 7 Top of Core Depth (m) : 111.50
Sect: 1 Top of Section Depth(m): 112.60
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 13 (110-118), 14 (120-125), 15 (127-132),
16 (135-139), 17 (141-145);
Texture : APHYRIC, GLASSY RIND AT THE TOP OF PCE 14,
APHANITIC;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <4 Percent:
COMMON, SOME ARE STRUNG OUT VERTICALLY;
Phenocrysts: PLAGIOCLASE ( <<1%)
Size(mm): <1
Leg : 37 Top/Bottom Interval(mm): 40/ 730 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 113.73
Core: 7 Top of Core Depth (m) : 111.50
Sect: 2 Top of Section Depth(m): 113.04
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 18(5-11),19 (12-18),20 (20-25), 21(27-36),
22-23 (38-46), 24 (48-52), 25 (55-60), 26 (62-68),
27 (70-73);
Texture : APHYRIC, CRYSTALLINE, FINE-GRAINED, GRANULAR,
SOME BRECCIA, SOME GLASSY BASALT;
Structure : RARE VEINS FILLED WITH CALCITE;
Alteration : SLIGHTLY;
Comments : GLASSY BASALT IN CORE CATCHER;
Vesicles : Size(mm): <1 Percent:
ABUNDANT, ZONES UP TO 5 MM;
Replacement: CALCITE
FILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 0/1410 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 122.41
Core: 8 Top of Core Depth (m) : 121.00
Sect: 1 Top of Section Depth(m): 121.00
LITHOLOGY: APHYRIC TO PLAG-OL SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (0-7), 2 (9-17), 3 (19-25), 4 (27-34),
5 (36-43), 6 (45-54), 7 (55-64), 8 (66-72),
9 (75-83), 10 (85-92), 11 (94-102), 12 (104-114),
13A (116-121), 13B (123-132), 14 (135-141);
Texture : APHYRIC TO SPARSELY PHYRIC, CRYSTALLINE, FINE
GRAINED GROUNDMASS, SOME GLASSY RIMS;
Structure : PCE 1 CONTAINS CALCITE AMYGDULES;
Alteration : SLIGHTLY;
Comments : PCE 8 IS A PIECE OF CHERT WITH A GLASSY RIND;
Vesicles : Size(mm): <1 Percent:
ABUNDANT, VARIABLE, RARE SINGLE AND ZONES UP TO
5 MM, RARE VERTICALLY ORIENTED GROUPS, SOME VUGS;
Phenocrysts: PLAGIOCLASE
OLIVINE
ALL PHENOS ARE RARE AND SEVERAL MM IN SIZE;
Replacement: CALCITE
FILLS AMYGDULES AND VUGS;
Leg : 37 Top/Bottom Interval(mm): 0/1440 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 123.94
Core: 8 Top of Core Depth (m) : 121.00
Sect: 2 Top of Section Depth(m): 122.50
LITHOLOGY: APHYRIC TO PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCE 15(0-11), 16(14-21),17 (22-29),18 (31-38),
19(40-45),20 (47-53),21 (55-61),22 (62-69),
23(71-79), 24 (81-87), 25 (89-94), 26 (96-100),
27 (101-112), 28 (114-119), 29 (121-127),
30 (129-135), 31 (136-144);
Texture : APHYRIC TO SPARSELY PHYRIC, CRYSTALLINE, FINE
GRAINED GROUNDMASS, GLASSY RIND IN PCE 15;
Alteration : SLIGHTLY;
Vesicles : VARIABLE, COMMON, MOST <1MM IN SIZE, OCCASIONAL
LARGE 1-5 MM VESICLES;
Phenocrysts: PLAGIOCLASE
Size(mm): <1
SCARCE TO ABSENT, PCE 13 HAS ONE 2 MM PHENOCRYST,
PCE 14 HAS ONE 5 MM PHENOCRYST;
Leg : 37 Top/Bottom Interval(mm): 0/1370 Analyst: Flower, M.
Hole: 332A Sample Midpoint (m) : 131.87
Core: 9 Top of Core Depth (m) : 130.50
Sect: 1 Top of Section Depth(m): 130.50
LITHOLOGY: APHYRIC TO PLAG-OL MODERATELY PHYRIC BASALT;
Piece No. : PCE 1 (0-11), 2 (14-19), 3 (20-27), 4 (29-34),
5 (36-44), 6A-6B (45-55), 7 (66-74), 8 (76-80),
9 (81-86), 10 (87-94), 11 (96-100), 12 (101-108),
13 (110-115), 14 (116-119), 15 (120-127),
16 (129-137;
Texture : APHYRIC TO MODERATELY PHYRIC, CRYSTALLINE, FINE
GRAINED;
Structure : FINE VEINLETS IN PCE 12;
Alteration : SLIGHTLY;
Vesicles : Size(mm): 1 Percent:
UBIQUITOUS, OCCASIONAL PARTIAL INFILLING, NUMEROUS
VESICLES IN PCE 10;
Phenocrysts: PLAGIOCLASE
Size(mm): 3
OLIVINE
Size(mm): 1
Leg : 37 Top/Bottom Interval(mm): 400/ 860 Analyst: Flower, M.
Hole: 332A Sample Midpoint (m) : 143.86
Core: 10 Top of Core Depth (m) : 140.00
Sect: 3 Top of Section Depth(m): 143.40
LITHOLOGY: APHYRIC TO PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (40-44), 2 (46-55), 3 (56-67), 4 (70-76),
5 (78-86);
Texture : APHYRIC TO SPARSELY PHYRIC, CRYSTALLINE, FINE
GRAINED;
Structure : FINE VEINLETS IN PCES 2+4+5, SOME AMYGDULES;
Alteration : SLIGHTLY;
Vesicles : MANY VESICLES;
Phenocrysts: PLAGIOCLASE
PCE 5 HAS ONE 7 MM PHENO;
Leg : 37 Top/Bottom Interval(mm): 540/1150 Analyst: Flower, M.
Hole: 332A Sample Midpoint (m) : 150.65
Core: 11 Top of Core Depth (m) : 149.50
Sect: 1 Top of Section Depth(m): 150.04
LITHOLOGY: APHYRIC TO PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (54-61), 2 (62-70), 3 (71-78), 4 (80-89),
5 (91-98), 6 (100-106), 7 (108-115);
Texture : APHYRIC TO SPARSELY PHYRIC, CRYSTALLINE, FINE
GRAINED, GLASSY MARGINS IN PCES 1+7;
Structure : FEW VEINS;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <2 Percent:
VARIABLE, OCCASIONALLY UP TO 5MM;
Phenocrysts: PLAGIOCLASE
VERY FEW;
Leg : 37 Top/Bottom Interval(mm): 50/1250 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 160.25
Core: 12 Top of Core Depth (m) : 159.00
Sect: 1 Top of Section Depth(m): 159.05
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (5-11), 2 (12-20), 3 (21-26), 4 (29-35),
5 (36-43), 6 (54-59), 7 (61-69), 8 (70-76),
9(79-83),10(85-91),11A-11B(92-100),12A-12D(100-125);
Texture : APHYRIC, GLASS ALONG TINY FRACTURES AND IRREGULAR
AREAS OTHERWISE CRYSTALLINE, FINE-GRAINED;
Structure : RARE VEINS WITH GLASS-PALAGONITE, TINY FRACTURES;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <1 Percent:
Location: Filling: SULFIDE, CLAY
UBIQUITOUS, SCATTERED LARGER UP TO 2 MM;
Replacement: SULFIDES
FILLS VESICLES;
PALAGONITE
Minerals Replaced: GLASS
FILLS VEINS;
CLAY
FILLS SOME VESICLES;
Leg : 37 Top/Bottom Interval(mm): 50/ 880 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 161.38
Core: 12 Top of Core Depth (m) : 159.00
Sect: 2 Top of Section Depth(m): 160.55
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 12E-12F(5-28),13(30-34),14(36-43), 15A (45-53),
15B (56-64), 16 (65-71), 17 (73-79), 18 (81-88);
Texture : APHYRIC, FINE-GRAINED, MOSTLY CRYSTALLINE EXCEPT FOR
GLASSY MICROFRACTURES;
Structure : SOME VEINS FILLED WITH GLASS PALAGONITE;
Alteration : SLIGHTLY TO MODERATELY;
Vesicles : Size(mm): <1 Percent:
UBIQUITOUS, RARE, LONGER UP TO 3 MM, SOME VUGS
FILLED WITH CALCITE;
Replacement: PALAGONITE
Minerals Replaced: GLASS
CALCITE
FILLS SOME VUGS;
Leg : 37 Top/Bottom Interval(mm): 1110/1470 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 169.97
Core: 13 Top of Core Depth (m) : 168.50
Sect: 1 Top of Section Depth(m): 169.61
LITHOLOGY: APHYRIC BASALT;
WHITE SEDIMENT;
Piece No. : PCE 1 (111-126), 2 (118-122), 3 (125-129),
4 (136-140), 5 (141-147);
GLASSY TO APHANITIC, GLASSY MARGIN IN PCE 4;
Structure : SOME CALCITE FILLED AMYGDULES;
Alteration : SLIGHTLY;
Comments : PCE 2 CONSISTS OF WHITE SEDIMENT;
Vesicles : Size(mm): <1 Percent:
UBIQUITOUS, SCARCE VESICLES UP TO 3 MM;
Phenocrysts: OLIVINE
ONE PHENOCRYST;
Replacement: CALCITE
FILLS AMYGDULES;
Leg : 37 Top/Bottom Interval(mm): 330/1480 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 179.48
Core: 14 Top of Core Depth (m) : 178.00
Sect: 1 Top of Section Depth(m): 178.33
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (33-42), 2 (44-49), 3 (51-56), 4 (58-65),
5 (66-72), 6 (75-81), 7 (84-89), 8 (91-97),
9 (100-105), 10 (107-112), 11 (114-120),
12 ( 122-131), 13 (133-139), 14 (141-148);
Texture : APHYRIC, GLASSY TO FINE-GRAINED, GLASSY RIND ON PCE
3;
Structure : SOME MICROFRACTURES;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <1 Percent:
UBIQUITOUS, RARE VESICLES UP TO 3 MM;
Leg : 37 Top/Bottom Interval(mm): 530/ 860 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 188.36
Core: 15 Top of Core Depth (m) : 187.50
Sect: 1 Top of Section Depth(m): 188.03
LITHOLOGY: PLAG-OL SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (53-59), 2 (61-67), 3 (70-76), 4 (78-86);
Texture : SPARSELY PHYRIC, PARTLY GLASSY TO CRYSTALLINE, SOME
GLASSY BRECCIA IN PCE 2;
Alteration : FRESH TO SLIGHTLY;
Vesicles : Size(mm): <1 Percent:
UBIQUITOUS, VARIABLE, SMALL, RARE LARGE VESICLES
TO 5 MM, SOME VESICLES AND VUGS FILLED WITH
CALCITE + GREEN CLAY + RARE ZEOLITE, MOST VESICLES
ARE OPEN;
Phenocrysts: PLAGIOCLASE
Size(mm): <0.5
OLIVINE
Size(mm): <0.5
BOTH RARE 1 MM;
Replacement: CALCITE
CLAY
GREEN;
ZEOLITE
RARE;
ALL THREE MINERALS FILL SOME VESICLES;
Leg : 37 Top/Bottom Interval(mm): 300/1300 Analyst:
Hole: 332A Sample Midpoint (m) : 198.30
Core: 16 Top of Core Depth (m) : 197.00
Sect: 1 Top of Section Depth(m): 197.30
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (30-40), 2 (43-50), 3 (54-57), 4 (63-67),
5 (71-79), 6 (82-86), 7 (90-96), 8 (100-105),
9 (110-114), 10 (117-120), 11 (124-129);
Texture : APHYRIC, VERY FINE-GRAINED, CRYSTALLINE;
Alteration : FRESH;
Comments : COLOR OF BASALT IS N3;
Vesicles : Size(mm): .5 Percent: 1-3
Leg : 37 Top/Bottom Interval(mm): 30/ 990 Analyst:
Hole: 332A Sample Midpoint (m) : 207.49
Core: 17 Top of Core Depth (m) : 206.50
Sect: 1 Top of Section Depth(m): 206.53
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (3-8), 2 (11-17), 3 (22-26), 4 (30-35),
5 (39-44), 6 (49-55), 7 (57-60), 8 (62-67),
9 (70-75), 10 (79-82), 11 (86-90), 12 (94-99);
Texture : APHYRIC, VERY FINE-GRAINED, CRYSTALLINE;
Structure : VEINS IN PCE 12;
Alteration : FRESH;
Comments : COLOR OF BASALT IS N3, COLOR OF PCE 12 IS 2.5YR 3/1;
Vesicles : Size(mm): .5 Percent: 2-6
PCE 12 HAS VESICLES ABOUT 10 MM ACROSS;
Leg : 37 Top/Bottom Interval(mm): 350/ 990 Analyst:
Hole: 332A Sample Midpoint (m) : 226.49
Core: 19 Top of Core Depth (m) : 225.50
Sect: 1 Top of Section Depth(m): 225.85
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (35-40), 2 (44-47), 3 (56-60), 4 (65-70),
5 (75-79), 6 (83-90), 7 (93-100);
Texture : APHYRIC, CRYSTALLINE, VERY FINE-GRAINED, GLASSY IN
PCES 1+5+6+7;
Structure : SURFACE VEINS;
Alteration : FRESH;
Comments : COLOR N3 IN PCES 1+5+6+7, COLOR 5Y 5/2 IN PCES 2+3;
Vesicles : Size(mm): .5 Percent: 1-6
PCES 1+5+6+7;
Size(mm): 2-4 Percent: 5
PCES 2+3;
Leg : 37 Top/Bottom Interval(mm): 520/1320 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 237.82
Core: 20 Top of Core Depth (m) : 235.00
Sect: 2 Top of Section Depth(m): 237.02
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (52-58), 2 (60-67), 3 (69-80), 4 (82-86),
5 (88-94), 6 (96-104), 7 (106-113), 8 (115-120),
9 (122-126), 10 (128-133);
Texture : APHYRIC, FINE-GRAINED, CRYSTALLINE;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <1 Percent:
SOME TO 5 MM, UBIQUITOUS, MOSTLY OPEN, SOME FILLED
WITH CALCITE AND HEMATITE;
Phenocrysts: PLAGIOCLASE
ONE PHENOCRYST;
Replacement: CALCITE
FILLS SOME VESICLES;
HEMATITE
POSSIBLY FILLS SOME VESICLES;
Leg : 37 Top/Bottom Interval(mm): 300/1360 Analyst: Fischer, J.
Hole: 332A Sample Midpoint (m) : 245.86
Core: 21 Top of Core Depth (m) : 244.50
Sect: 1 Top of Section Depth(m): 244.80
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (30-35), 2 (40-44), 3 (47-50), 4 (54-60),
5 (65-70), 6 (72-75), 7 (79-81), 8 (85-89),
9 (92-95), 10 (100-104), 11 (107-109), 12 (115-120),
13 (124-126), 14 (130-136);
Texture : APHYRIC, VERY FINE-GRAINED, CRYSTALLINE;
Structure : BROWN STAINED SURFACE FRACTURES;
Alteration : FRESH;
Comments : COLOR OF BASALT IS N3;
Vesicles : Size(mm): .5 Percent: 1-5
Leg : 37 Top/Bottom Interval(mm): 70/ 170 Analyst: Fischer, J.
Hole: 332A Sample Midpoint (m) : 254.17
Core: 22 Top of Core Depth (m) : 254.00
Sect: 1 Top of Section Depth(m): 254.07
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (7-12), 2 (15-17);
Texture : GLASSY RIND ON PCE 2;
Comments : PCE 1 COLOR IS 10YR 4/1
Leg : 37 Top/Bottom Interval(mm): 200/1100 Analyst: Fischer, J.
Hole: 332A Sample Midpoint (m) : 255.10
Core: 22 Top of Core Depth (m) : 254.00
Sect: 1 Top of Section Depth(m): 254.20
LITHOLOGY: SEDIMENT;
Leg : 37 Top/Bottom Interval(mm): 1110/1480 Analyst: Fischer, J.
Hole: 332A Sample Midpoint (m) : 255.48
Core: 22 Top of Core Depth (m) : 254.00
Sect: 1 Top of Section Depth(m): 255.11
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 12 (111-115), 13 (118-120), 14 (123-125),
15 (128-131), 16 (134-138), 17 (142-148);
Texture : APHYRIC, VERY FINE-GRAINED, CRYSTALLINE TO GLASSY;
Alteration : FRESH;
Comments : COLOR OF BASALT IS N3;
Vesicles : Size(mm): .5 Percent: 1-3
Leg : 37 Top/Bottom Interval(mm): 110/1340 Analyst: Fischer, J.
Hole: 332A Sample Midpoint (m) : 264.84
Core: 23 Top of Core Depth (m) : 263.50
Sect: 1 Top of Section Depth(m): 263.61
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (11-15), 2 (19-21), 3 (24-28), 4 (32-33),
5 (37-41), 6 (44-47), 8 (59-61) , 9 (65-68),
10 (71-74), 11 (78-81), 12 (85-91), 13 (94-96),
14 (99-105), 15 (108-114), 16 (117-120),
17 (123-126), 18 (129-134);
Texture : APHYRIC, CRYSTALLINE, VERY FINE-GRAINED, PCES 9+10
ARE BRECCIA BASALT WITH CALCITE CEMENT;
Alteration : FRESH;
Comments : COLOR OF BASALT IS N3, PCE 7 IS A WELL LITHIFIED
CHALK WITH SIDEROMELANE FRAGMENTS TO 10 MM AUGITE
FRAGMENTS TO 4 MM AND PALAGONITE RINDS;
Vesicles : Size(mm): .5 Percent: 1-3
VESICLES HAVE THIN BLUISH LININGS;
Replacement: CALCITE
FOUND AS CEMENT OF BRECCIA IN PCES 9+10;
Leg : 37 Top/Bottom Interval(mm): 1120/1310 Analyst: Fischer, J.
Hole: 332A Sample Midpoint (m) : 274.31
Core: 24 Top of Core Depth (m) : 273.00
Sect: 1 Top of Section Depth(m): 274.12
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (112-115), 2A (118-125), 2B (125-131),
2C (128-129), 2D (129-131);
Texture : APHYRIC, CRYSTALLINE, VERY FINE-GRAINED;
Alteration : FRESH;
Comments : COLOR OF BASALT N3;
Vesicles : Size(mm): .5 Percent: 1
Leg : 37 Top/Bottom Interval(mm): 110/1480 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 283.98
Core: 25 Top of Core Depth (m) : 282.50
Sect: 1 Top of Section Depth(m): 282.61
LITHOLOGY: APHYRIC TO PLAG-OL SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (17-22), 2 (25-29), 3 (31-40), 4 (42-47),
5 (50-54), 6 (55-60), 7 (62-72), 8 (74-78),
10A-10B (88-99), 11A-11B (101-106),
13 (112-117), 14 (120-125),
15 (126-132), 16 (135-140), 17 (141-148);
Texture : APHYRIC TO SPARSELY PHYRIC, FINE-GRAINED,
CRYSTALLINE;
Alteration : SLIGHTLY;
Comments : PCE 9 + 12 ARE CONSOLIDATED OOZE WITH GLASS-PALAG
FRAGMENTS TO 6 MM (MOST 1 MM);
Vesicles : Size(mm): <1 Percent:
UBIQUITOUS, VERY RARE <1 MM, SOME LINED WITH
POSSIBLE ZEOLITES AND POSSIBLE GREEN CLAY;
Phenocrysts: PLAGIOCLASE
Size(mm): <1
OLIVINE
Size(mm): <1
SPARSELY PHYRIC BASALT IN PCES (13-17);
Replacement: ZEOLITE
POSSIBLY LINES SOME VESICLES;
CLAY
GREEN, POSSIBLY LINES SOME VESICLES;
Leg : 37 Top/Bottom Interval(mm): 260/1000 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 293.00
Core: 26 Top of Core Depth (m) : 292.00
Sect: 1 Top of Section Depth(m): 292.26
LITHOLOGY: PLAG-OL MODERATELY PHYRIC BASALT;
MIXED SEDIMENT AND BASALT;
Piece No. : PCE 1 (25-35), 2 (37-46), 3 (47-54), 4 (56-62),
5 (64-71), 6 (73-77), 7 (79-82), 8 (84-90),
9 (92-100);
Texture : PHYRIC, PCE 2 SHOWS SOME PLAG PHENOCRYST
CONCENTRATION, MEDIUM TO FINE-GRAINED SUBOPHITIC,
SOME GLASSY RINDS AND GLASS-PALAGONITE ZONES, SOME
PIECES OF CHERT, SOME MIXED SEDIMENT AND BASALT IN
PCES 3-6;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <1 Percent:
Location: Filling: SILICA, CLAY
UBIQUITOUS, MOSTLY OPEN, SOME POSSIBLY TO 5 MM,
LINED WITH ZEOLITES, SILICA AND POSSIBLE BLUE CLAY
FILLING;
Phenocrysts: PLAGIOCLASE
Size(mm): <2
OLIVINE
Size(mm): <1
OL PHENOS RARE;
Replacement: ZEOLITE
SILICA
BOTH POSSIBLY LINE VESICLES;
CLAY
BLUE, POSSIBLY FILL VESICLES;
PALAGONITE
Minerals Replaced: GLASS
Leg : 37 Top/Bottom Interval(mm): 1010/1240 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 293.24
Core: 26 Top of Core Depth (m) : 292.00
Sect: 1 Top of Section Depth(m): 293.01
LITHOLOGY: BASALT WITH CHERT;
Piece No. : PCE 10 (101-108), 11 (110-115), 12 (117-124);
Texture : BASALT MIXED WITH PALAGONITIZED GLASS IN A CHERT
MATRIX;
Alteration : SLIGHTLY;
Replacement: PALAGONITE
Minerals Replaced: GLASS
Leg : 37 Top/Bottom Interval(mm): 20/1480 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 294.98
Core: 26 Top of Core Depth (m) : 292.00
Sect: 2 Top of Section Depth(m): 293.52
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCE 1 (2-7), 2 (9-15), 3 (17-23), 4 (25-30),
5 (32-36), 6 (39-44), 7 (46-50), 8 (51-56),
9 (57-62), 10 (65-71), 11 (72-78), 12 (80-86),
13 (89-94), 14 (96-101), 15 (102-112), 16 (114-120),
17 (122-128), 18 (130-134), 19 (136-141),
20 (142-147);
Texture : PHYRIC, FINE-GRAINED, CRYSTALLINE;
Structure : CARBONATE VEINS;
Alteration : SLIGHTLY;
Comments : PCES 1 + 2 + 3 + 18 CONSIST OF CHERT WITH INCLUDED
GLASS-PALAGONITE;
Vesicles : Size(mm): <1 Percent:
UBIQUITOUS, MOSTLY OPEN SOME TO 5 MM, FILLED BY
GRAY BLUE CLAY + SILICA + POSSIBLE ZEOLITE;
Phenocrysts: PLAGIOCLASE
Size(mm): <2
OLIVINE
Size(mm): <1
OL IS LESS COMMON;
Replacement: ZEOLITE
POSSIBLY FILLS VESICLES;
CLAY
GRAY BLUE FILLS VESICLES;
SILICA
FILLS VESICLES;
CARBONATE
FILLS VEINS;
PALAGONITE
Minerals Replaced: GLASS
FOUND IN CHERT;
Leg : 37 Top/Bottom Interval(mm): 20/1480 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 302.98
Core: 27 Top of Core Depth (m) : 301.50
Sect: 1 Top of Section Depth(m): 301.52
LITHOLOGY: PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 1 (2-6), 2 (9-12), 3 (14-16), 4 (18-21),
5 (24-30), 6 (31-37), 7 (39-46), 8 (49-54),
9 (56-61), 10 (64-70), 11 (71-76), 12 (77-82),
13 (85-89), 14 (91-95), 15 (97-99), 16 (101-104),
17A-17D (105-113),18 (115-121),19 (123-124),
20 (125-134), 21 (136-140), 22 (142-148);
Texture : PHYRIC, FINE-GRAINED, CRYSTALLINE, GLASSY RIND ON
PCE 14;
Structure : CHERT FILLED VEINS;
Alteration : FRESH TO SLIGHTLY;
Comments : PCE 15 CONSIST OF CHERT WITH INCLUDED
GLASS-PALAGONITE;
Vesicles : Size(mm): <1 Percent:
Location: Filling: CARBONATE, SILICA
UBIQUITOUS, COMMON TO 5 MM;
Phenocrysts: PLAGIOCLASE
Size(mm): <2
USUALLY <1 MM;
OLIVINE
Size(mm): <2
USUALLY <1 MM;
CLINOPYROXENE
AUGITE, USUALLY <1 MM;
PLAG PHENOS OFTEN INTERGROWN WITH AUGITE;
Replacement: CARBONATE
FILLS VESICLES;
SILICA
FILLS VESICLES;
PALAGONITE
Minerals Replaced: GLASS
FOUND IN PCE 15 INCLUDED IN CHERT;
Leg : 37 Top/Bottom Interval(mm): 70/1440 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 312.44
Core: 28 Top of Core Depth (m) : 311.00
Sect: 1 Top of Section Depth(m): 311.07
LITHOLOGY: PLAG-OL-PYX PHYRIC BASALT;
Piece No. : PCE 1 (8-11), 2 (14-21), 3 (23-31), 4A-4B (34-41),
5 (44-48), 6 (50-57), 7 (59-64), 8 (66-73),
9 (75-79), 10 (81-88), 11 (90-95), 12 (97-104),
13 (106-114), 14 (115-119), 15 (121-125),
16 (128-136), 17 (138-144);
Texture : PHYRIC, FINE-GRAINED, CRYSTALLINE, SUBOPHITIC;
Structure : RARE VESICLES FILLED BY CARBONATE + SILICA;
Alteration : SLIGHTLY TO MODERATELY;
Vesicles : Size(mm): <1 Percent:
Location: Filling: CARBONATE, SILICA
UBIQUITOUS, VARIABLE TO 5 MM, ALSO FILLED WITH
ZEOLITES AND BLUE CLAY;
Phenocrysts: PLAGIOCLASE
Size(mm): <5
OLIVINE
Size(mm): <2
PYROXENE
INTERGROWN INTO PLAG, IDENTIFICATION IS UNSURE-
POSSIBLE HYPERSTHENE OR AUGITE;
Replacement: CARBONATE
FILLS VEINS, AND SOME VESICLES;
SILICA
FILLS VEINS AND VESICLES;
ZEOLITE
FILLS VESICLES;
CLAY
BLUE, FILLS VESICLES;
Phenocrysts: OTHER
GREEN MINERAL, POSSIBLY CHROMIUM RICH, INTERGROWN
WITH PLAG;
Leg : 37 Top/Bottom Interval(mm): 20/1420 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 313.92
Core: 28 Top of Core Depth (m) : 311.00
Sect: 2 Top of Section Depth(m): 312.52
LITHOLOGY: PLAG-OL-CPX SLIGHTLY TO MODERATELY PHYRIC BASALT;
Piece No. : PCE 1 (2-8), 2A-2B (9-17), 3 (20-23),4 (25-32),
5A-5B (34-38),6(40-44),7(46-49), 8 (51-54),
9 (56-65), 10 (66-71), 11 (74-80), 12 (82-89),
13 (90-95), 14 (97-104), 15 (105-115), 16 (118-121),
17 (123-128), 18A-18B (130-142);
Texture : SLIGHTLY TO MODERATELY PHYRIC, FINE-GRAINED,
CRYSTALLINE, SUBOPHITIC;
Structure : CHERT VEIN IN PCE 15;
Alteration : SLIGHTLY TO MODERATELY;
Vesicles : Size(mm): <1 Percent:
UBIQUITOUS, COMMON UP TO 5 MM;
Phenocrysts: PLAGIOCLASE
Size(mm): <3
OLIVINE
Size(mm): <3
CLINOPYROXENE
RARE AUGITE INTERGROWN WITH PLAG;
Leg : 37 Top/Bottom Interval(mm): 200/ 680 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 314.68
Core: 28 Top of Core Depth (m) : 311.00
Sect: 3 Top of Section Depth(m): 314.20
LITHOLOGY: PLAG-OL-CPX SLIGHTLY PHYRIC BASALT;
Piece No. : PCE 1 (20-25), 2 (26-34), 3A-3C(36-45),4(47-51),
5 (53-61), 6 (61-68);
Texture : SLIGHTLY PHYRIC, FINE-GRAINED, CRYSTALLINE,
SUBOPHITIC;
Alteration : SLIGHTLY TO MODERATELY;
Vesicles : Size(mm): <1 Percent:
Location: Filling: CLAY
UBIQUITOUS, RARE TO 5 MM, CLAY IS GREEN,
CHLOROPHAEITE LININGS;
Phenocrysts: PLAGIOCLASE
Size(mm): <5
OLIVINE
Size(mm): <2
CLINOPYROXENE
Size(mm): <2
POSSIBLE AUGITE, RARE;
OTHER
Size(mm): <2
RARE GREEN CRYSTALS;
Replacement: CLAY
GREEN, FILLS VESICLES;
Leg : 37 Top/Bottom Interval(mm): 30/1450 Analyst: Flower, M.
Hole: 332A Sample Midpoint (m) : 321.95
Core: 29 Top of Core Depth (m) : 320.50
Sect: 1 Top of Section Depth(m): 320.53
LITHOLOGY: PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 1 (4-9), 2 (10-18), 3 (20-24), 4 (25-30),
5 (32-40), 6 (41-46), 7 (47-54), 8 (55-60),
9 (61-69), 10 (70-80), 11 (80-85), 12 (86-89),
13 (91-95), 14 (96-101), 15 (103-108), 16 (108-115),
17 (116-124), 18 (125-135), 19 (137-145);
Texture : PHYRIC, FINE TO MODERATELY COARSE GRAINED,
SUBOPHITIC;
Structure : MINOR CHERTY VEINS, AMYGDULES 1-2 MM NEAR CHERTY
ZONES;
Alteration : SLIGHTLY;
MORE APPARENT NEAR CHERT;
Vesicles : Size(mm): 1-2 Percent:
SMALL, COMMON NEAR CHERTY ZONES;
Phenocrysts: PLAGIOCLASE
OLIVINE
CLINOPYROXENE
ABUNDANT PHENOS;
Groundmass : PLAGIOCLASE
CLINOPYROXENE
FINE TO MODERATELY COARSE GRAINED;
Leg : 37 Top/Bottom Interval(mm): 50/1460 Analyst: Flower, M.
Hole: 332A Sample Midpoint (m) : 331.46
Core: 30 Top of Core Depth (m) : 330.00
Sect: 1 Top of Section Depth(m): 330.05
LITHOLOGY: PLAG-OL PHYRIC BASALT;
OCCASIONAL CHERT LAYERS AND VEINING;
Piece No. : PCE 1 (5-8), 2 (10-14), 3 (16-20), 4 (22-30),
5 (32-39), 6 (40-45), 7 (46-49), 8 (50-58),
9 (60-64), 10 (65-72), 11 (74-76), 12 (77-82),
13 (84-89), 14 (90-94), 15 (95-100), 16 (102-110),
17 (112-119), 18 (121-125), 19 (128-131),
20 (132-140), 21 (141-146);
Texture : PHYRIC, FINE TO MODERATELY COARSE GRAINED;
Structure : CALCITE VEINING;
Alteration : SLIGHTLY;
Vesicles : SLIGHT TO MODERATE;
Phenocrysts: PLAGIOCLASE
Size(mm): 4-5
OLIVINE
Size(mm): 3
Groundmass : PLAGIOCLASE
CLINOPYROXENE
BOTH INTERGROWN;
GROUNDMASS TEXTURE IS FINE TO DOLERITIC;
Replacement: CALCITE
FILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 100/1010 Analyst: Flower, M.
Hole: 332A Sample Midpoint (m) : 332.51
Core: 30 Top of Core Depth (m) : 330.00
Sect: 2 Top of Section Depth(m): 331.60
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCE 22 (10-14), 23 (16-20), 24 (22-30), 25 (32-39),
26 (41-50), 27 (53-59), 28A (60-65), 28B (65-70),
29 (72-77), 30 (79-81), 31 (84-88), 32 (90-93),
33 (95-101);
Texture : PHYRIC, FINE TO MODERATELY COARSE GRAINED,
SUBOPHITIC;
Structure : OCCASIONAL CALCITE VEINS;
Alteration : SLIGHTLY;
Vesicles : SPARSELY DISPERSED, SUPERFICIAL COATING EXCEPT
IN PCES 29-30, POSSIBLE ZEOLITE FILLING COMMON;
Phenocrysts: PLAGIOCLASE
Size(mm): 4
OLIVINE
Size(mm): 1
Groundmass : GROUNDMASS IS FINE TO MODERATELY COARSE;
Replacement: CALCITE
FILLS VEINS;
ZEOLITE
POSSIBLY FILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 80/1400 Analyst: Flower, M.
Hole: 332A Sample Midpoint (m) : 340.90
Core: 31 Top of Core Depth (m) : 339.50
Sect: 1 Top of Section Depth(m): 339.58
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCE 1 (8-12), 2 (14-19), 3 (20-26), 4 (28-34),
5 (35-44), 6 (45-50), 7 (51-55), 8 (56-60),
9 (61-65), 10 (66-72), 11 (74-80), 12 (81-86),
13 (88-91), 14 (92-100), 15 (102-105), 16 (105-110),
17 (112-120), 18 (121-126), 19 (127-132),
20 (134-140);
Texture : PHYRIC, FINE TO COARSE GRAINED, SUBOPHTIC;
Structure : CALCITE VEINS;
Alteration : SLIGHTLY;
Vesicles : RELATIVELY UNVESICULATED, PARTIAL INFILLING;
Phenocrysts: PLAGIOCLASE
Size(mm): 4
OLIVINE
Size(mm): 1
OLIVINE PHENOCRYSTS ARE RARER;
Groundmass : CLINOPYROXENE
PLAGIOCLASE
MODERATE TO COARSE GRAINED, SUBOPHITIC;
Replacement: CALCITE
FILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 50/1390 Analyst: Fischer, J.
Hole: 332A Sample Midpoint (m) : 342.39
Core: 31 Top of Core Depth (m) : 339.50
Sect: 2 Top of Section Depth(m): 341.05
LITHOLOGY: PLAG MODERATELY PHYRIC BASALT;
Piece No. : PCE 1 (5-12), 2 (15-20), 3 (22-26), 4 (30-36),
5 (40-41), 6 (45-47), 7 (51-55), 8 (59-65),
9 (68-70), 10 (74-80), 11 (82-86), 12 (89-94),
13 (97-102), 14 (105-109), 15 (111-115),
16 (118-122), 17 (126-129), 18 (132-139);
Texture : MODERATELY PHYRIC;
Structure : SPARSE VEINS YELLOW IN COLOR;
Alteration : SLIGHTLY;
Comments : COLOR IS VARIABLE;
Vesicles : ABUNDANT VESICLES FILLED WITH ZEOLITES + BLACK
GLOBULES POSSIBLY CONSISTING OF SULFIDES + RED
GLOBULES + PALE BLUE AND PALE GREEN LININGS;
Phenocrysts: PLAGIOCLASE ( 8%)
Size(mm): 3
Groundmass : PLAGIOCLASE
OLIVINE
MEDIUM GRAINED, CRYSTALLINE;
Replacement: ZEOLITE
FILLS VESICLES;
SULFIDES
POSSIBLY FILLS VESICLES;
Leg : 37 Top/Bottom Interval(mm): 60/1060 Analyst: Fischer, J.
Hole: 332A Sample Midpoint (m) : 343.56
Core: 31 Top of Core Depth (m) : 339.50
Sect: 3 Top of Section Depth(m): 342.56
LITHOLOGY: PLAG MODERATELY PHYRIC BASALT;
Piece No. : PCE 1A (6-11), 1B (11-18), 1C (18-24), 2 (26-29),
3 (31-35), 4 (37-41), 5 (45-47), 6 (50-52),
7A (56-60), 7B (60-69), 7C (69-78), 7D (78-85),
8 (88-91), 9 (95-98), 10 (100-106);
Texture : TEXTURALLY AND MINERALOGICALLY SIMILAR TO SECTION
31-2 EXCEPT FOR LACK OF VESICLES BELOW 25 CM;
Vesicles : Size(mm): Percent: 0
NO VESICLES BELOW 25 CM;
Leg : 37 Top/Bottom Interval(mm): 20/1440 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 350.44
Core: 32 Top of Core Depth (m) : 349.00
Sect: 1 Top of Section Depth(m): 349.02
LITHOLOGY: PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 1 (2-7), 2 (9-13), 3 (15-21), 4 (23-27),
5 (29-37), 6 (39-45), 7 (47-53), 8 (55-61),
9 (63-73), 10 (75-82), 11 (84-89), 12 (91-96),
13 (98-102), 14A -14B (105-119),
15 (120-126), 16 (130-135), 17 (137-144);
Texture : PHYRIC, FINE-GRAINED, CRYSTALLINE;
Alteration : SLIGHTLY;
Vesicles : UBIQUITOUS TO 2MM, SOME LININGS OF SILICA AND
CLAY;
Phenocrysts: PLAGIOCLASE
Size(mm): <4
OLIVINE
Size(mm): <1
CLINOPYROXENE
Size(mm): <1
RARE AUGITE;
Replacement: SILICA
LINES VESICLES;
CLAY
LINES VESICLES;
Leg : 37 Top/Bottom Interval(mm): 200/ 770 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 351.27
Core: 32 Top of Core Depth (m) : 349.00
Sect: 2 Top of Section Depth(m): 350.70
LITHOLOGY: PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 1 (20-24), 2 (25-33), 3 (35-40), 4 (42-47),
5A (50-55), 5B (55-60), 6 (62-68), 7 (70-77);
TEXTURALLY AND MINERALOGICALLY SIMILAR TO SECTION
Texture : 32-1;
Leg : 37 Top/Bottom Interval(mm): 850/1380 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 359.88
Core: 33 Top of Core Depth (m) : 358.50
Sect: 1 Top of Section Depth(m): 359.35
LITHOLOGY: PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 1 (85-91), 2 (92-99), 3 (100-109), 4 (111-116),
5 (119-125), 6 (127-131), 7 (133-138);
Texture : PHYRIC, FINE-GRAINED, CRYSTALLINE;
Alteration : SLIGHTLY;
Vesicles : UBIQUITOUS TO 1MM, RARE TO 3MM, FILLED WITH SILICA
+ ZEOLITE + CLAY, PCE 4 IS VESICULAR;
Phenocrysts: PLAGIOCLASE
Size(mm): <5
OLIVINE
Size(mm): <1
CLINOPYROXENE
RARE AUGITE;
Replacement: SILICA
ZEOLITE
CLAY
ALL FILL VESICLES;
Leg : 37 Top/Bottom Interval(mm): 100/1470 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 361.47
Core: 33 Top of Core Depth (m) : 358.50
Sect: 2 Top of Section Depth(m): 360.10
LITHOLOGY: APHYRIC TO PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 1 (10-15), 2 (17-22), 3 (25-31), 4 (33-36),
5 (38-46), 6 (49-55), 7 (57-66), 8 (68-75),
9 (77-82), 10 (84-88), 11 (90-96), 12A-12G (99-106),
13 (108-115), 14 (118-121), 15 (123-125),
16 (126-133), 17 (135-140), 18 (142-146);
Texture : PHYRIC, FINE-GRAINED, CRYSTALLINE, PCES 11 + 12 ARE
APHYRIC;
Structure : CARBONATE VEINS;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <1 Percent:
Location: Filling: SILICA, CLAY
UBIQUITOUS, TO 2-3MM IN PCES 1 + 3, CLAY IS BLUE,
ALSO FILLED WITH CHLOROPHAEITE;
Phenocrysts: PLAGIOCLASE
Size(mm): <5
OLIVINE
Size(mm): <1
CLINOPYROXENE
RARE TO ABSENT AUGITE;
Replacement: SILICA
CLAY
BLUE;
CHLOROPHAEITE
ALL THREE ABOVE FILL VESICLES;
CARBONATE
FILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 730/1460 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 369.46
Core: 34 Top of Core Depth (m) : 368.00
Sect: 1 Top of Section Depth(m): 368.73
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCE 1 (73-78), 2 (80-85), 3 (87-93), 4 (95-100),
5 (102-107), 6 (110-120), 7 (122-130),
8 (132-138), 9 (141-146);
Texture : PHYRIC, FINE-GRAINED, CRYSTALLINE;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <2 Percent:
Location: Filling: CLAY
UBIQUITOUS, CLAY IS GREEN, ALSO VITREOUS RED
LINING;
Phenocrysts: PLAGIOCLASE
Size(mm): <5
OLIVINE
Size(mm): <1
OTHER ( RARE%)
Size(mm): <1
GREEN CRYSTALLS FOUND IN INTERVAL 122-146 MM;
Replacement: CLAY
GREEN, LINES VESICLES;
Leg : 37 Top/Bottom Interval(mm): 70/1470 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 370.97
Core: 34 Top of Core Depth (m) : 368.00
Sect: 2 Top of Section Depth(m): 369.57
LITHOLOGY: PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 1 (7-11), 2 (13-19), 3 (21-26), 4 (27-31),
5 (34-39), 6 (41-46), 7 (49-56), 8 (59-65),
9 (68-73), 10 (75-81), 11 (83-89), 12 (91-100),
13 (102-109), 14 (111-116), 15 (118-124),
16 (125-130), 17 (132-140), 18 (142-147);
Texture : PHYRIC, FINE-GRAINED, CRYSTALLINE, SUBOPHITIC IN
PCES 12-18;
Alteration : FRESH;
Vesicles : Size(mm): <1 Percent:
Location: Filling: SILICA
UBIQUITOUS, SOME TO 2 MM;
Phenocrysts: PLAGIOCLASE
Size(mm): <5
PCES 1-10;
PLAGIOCLASE
Size(mm): <3
PCES 12-18;
OLIVINE
CLINOPYROXENE
POSSIBLE AUGITE;
Replacement: SILICA
FILLS VESICLES;
Leg : 37 Top/Bottom Interval(mm): 920/1480 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 378.98
Core: 35 Top of Core Depth (m) : 377.50
Sect: 1 Top of Section Depth(m): 378.42
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCE 1 (92-96), 2 (99-103), 3 (105-111), 4 (113-118),
5 (120-126), 6 (128-133), 7 (135-141), 8 (144-148);
Texture : PHYRIC, FINE-GRAINED, CRYSTALLINE;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <2 Percent:
Location: Filling: CLAY
UBIQUITOUS, CLAY IS GREEN-BLUE;
Phenocrysts: PLAGIOCLASE ( 15%)
Size(mm): <4
OLIVINE
Size(mm): 1
OTHER
Size(mm): 1
GREEN CRYSTALS SEEN IN PCE 7;
Replacement: CLAY
GREEN-BLUE COLOR;
Leg : 37 Top/Bottom Interval(mm): 30/1460 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 388.46
Core: 36 Top of Core Depth (m) : 387.00
Sect: 1 Top of Section Depth(m): 387.03
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCE 1 (3-8), 2 (10-15), 3 (17-27), 4 (29-32),
5 (34-39), 6 (41-46), 7 (48-52), 8 (54-59),
9 (61-71), 10 (73-77), 11 (79-84), 12 (86-94),
13 (95-101), 14 (104-113), 15 (115-120),
16 (123-127), 17 (129-133), 18 (135-140),
19 (142-146);
Texture : PHYRIC, FINE-GRAINED, CRYSTALLINE;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <2 Percent:
Location: Filling: SILICA, CLAY
UBIQUITOUS, MOST OPEN, CLAY IS GRAY;
Phenocrysts: PLAGIOCLASE
Size(mm): <4
OLIVINE
Size(mm): <1
COMMON;
Replacement: CLAY
GRAY, FILLS VESICLES;
SILICA
FILLS VESICLES;
Leg : 37 Top/Bottom Interval(mm): 20/1070 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 389.57
Core: 36 Top of Core Depth (m) : 387.00
Sect: 2 Top of Section Depth(m): 388.52
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCE 1 (2-10), 2 (11-16), 3 (19-27), 4 (30-40),
5 (42-47), 6 (50-57), 7 (59-64), 8 (66-70),
9 (73-77), 10 (79-82), 11 (85-93), 12 (95-101),
13 (104-107);
Texture : PHYRIC, FINE-GRAINED, CRYSTALLINE, GLASSY ZONE IN
PCE 12;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <2 Percent:
Location: Filling: SILICA, CHLOROPH
UBIQUITOUS;
Phenocrysts: PLAGIOCLASE ( 15%)
Size(mm): <4
OLIVINE
Size(mm): <1
COMMON;
OTHER ( RARE%)
Size(mm): 1
GREEN CRYSTALS;
Replacement: SILICA
FILLS VESICLES;
CHLOROPHAEITE
FILLS VESICLES;
Leg : 37 Top/Bottom Interval(mm): 750/1450 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 397.95
Core: 37 Top of Core Depth (m) : 396.50
Sect: 1 Top of Section Depth(m): 397.25
LITHOLOGY: PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 1 (75-82), 2 (84-90), 3 (92-97), 4 (100-105),
5 (107-112), 6 (114-123),7A-7B(125-135),8(138-145);
Texture : PHYRIC, FINE-GRAINED, CRYSTALLINE, SUBOPHITIC;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <1 Percent:
Location: Filling: ZEOLITE, SILICA
PCES 6-8;
Size(mm): <3 Percent:
Location: Filling: ZEOLITE, SILICA
PCE 1;
Size(mm): 3-5 Percent:
Location: Filling: ZEOLITE, SILICA
PCES 2-5;
ALL UBIQUITOUS, ALSO FILLED WITH GRAY CLAY;
Phenocrysts: PLAGIOCLASE
Size(mm): 1-5
VARIABLE;
OLIVINE
Size(mm): 1
ABSENT IN PCES 2-5;
CLINOPYROXENE
Size(mm): 1-2
ABSENT IN PCES 2-5;
OTHER
Size(mm): 1-2
GREEN CRYSTALS IN PCES 1 + 6 + 8, OCCURS WITH PLAG
IN PCE 1;
Replacement: CLAY
GRAY, FILLS VESICLES;
ZEOLITE
FILLS VESICLES;
SILICA
FILLS VESICLES;
Leg : 37 Top/Bottom Interval(mm): 1070/1470 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 407.47
Core: 38 Top of Core Depth (m) : 406.00
Sect: 1 Top of Section Depth(m): 407.07
LITHOLOGY: APHYRIC TO PLAG-OL PHYRIC BASALT;
Piece No. : PCE 1 (107-112), 2 (115-121), 3 (124-128),
4 (130-135), 5 (137-139), 6 (141-147);
Texture : APHYRIC IN PCES 3 + 4 + 5, MODERATELY PHYRIC IN PCE
2, PHYRIC IN PCES 1 + 6, FINE-GRAINED WITH PCE 2
BEING SOMEWHAT COARSER GRAINED;
Structure : SILICA + ZEOLITE + BLUE CLAY FILLED AMYGDULES;
Alteration : SLIGHTLY;
Phenocrysts: PLAGIOCLASE
OLIVINE
OTHER
GREEN CRYSTALS IN PCE 6;
Replacement: SILICA
ZEOLITE
CLAY
BLUE, ALL THREE REPLACEMENT MINERALS FILL
AMYGDULES;
Leg : 37 Top/Bottom Interval(mm): 20/ 570 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 416.07
Core: 39 Top of Core Depth (m) : 415.50
Sect: 1 Top of Section Depth(m): 415.52
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCE 1 (2-7), 2 (9-12), 3 (14-22), 4 (24-26),
5 (28-33), 6 (35-44), 7 (46-51), 8 (53-57);
Texture : PHYRIC, FINE-GRAINED, CRYSTALLINE;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <1 Percent:
Location: Filling: SILICA, CLAY
UBIQUITOUS, MOSTLY OPEN;
Phenocrysts: PLAGIOCLASE
Size(mm): <3
OLIVINE
Size(mm): <1
OTHER
PCE 8 CONTAINS A GREEN MINERAL POSSIBLY CPX INSIDE
PLAG PHENOS;
Replacement: SILICA
FILLS VESICLES;
CLAY
FILLS VESICLES;
Leg : 37 Top/Bottom Interval(mm): 110/1340 Analyst: Robinson, P.T.
Hole: 332A Sample Midpoint (m) : 426.34
Core: 40 Top of Core Depth (m) : 425.00
Sect: 1 Top of Section Depth(m): 425.11
LITHOLOGY: PLAG-OL-PYX PHYRIC BASALT;
BRECCIA BASALT;
Piece No. : PCE 1 (12-16), 2 (19-24), 3 (26-32), 4 (35-41),
5A (44-49), 5B (50-57), 5C (57-69), 5D (67-75),
6A (77-85), 6B (85-95), 7 (97-100), 8 (102-106),
9 (108-112), 10 (114-117), 11 (119-126),
12 (128-134);
Texture : PHYRIC, APHANITIC, PARTLY GLASSY BRECCIA WITH
FRAGMENTS UP TO 2 CM IN PCES 1 + 5, FINE-GRAINED;
Structure : SOME SILICA LINED FRACTURES;
Comments : LIGHT GRAY COLOR;
Vesicles : VESICLES + VUGS ARE SILICA LINED, SOME CALCITE IN
VESICLES;
Phenocrysts: PLAGIOCLASE
OLIVINE
PYROXENE
Replacement: SILICA
LINES VESICLES + VUGS + FRACTURES;
LIMONITE
Minerals Replaced: OL
CALCITE
FILLS SOME VESICLES;
Leg : 37 Top/Bottom Interval(mm): 20/1330 Analyst: Flower, M.
Hole: 332A Sample Midpoint (m) : 427.83
Core: 40 Top of Core Depth (m) : 425.00
Sect: 2 Top of Section Depth(m): 426.52
LITHOLOGY: PLAG-CPX-OL-PHYRIC BASALT;
Piece No. : PCE 1A (2-12), 1B (12-17), 1C (18-21), 1D (22-36),
2A (39-47), 2B (45-56), 3 (59-66), 4 (68-74),
5 (76-80), 6A (83-90), 6B (91-100), 7A (102-117),
7B (115-125), 8 (126-133);
Texture : PHYRIC;
Structure : CALCITE VEINS, PCE 8 IS AMYGDALOIDAL;
Alteration : MODERATELY;
Vesicles : Size(mm): 8-10 Percent:
Location: Filling: CALCITE, SILICA
SOME VESICLES ARE PARTLY FILLED WITH CALCITE +
SILICA;
Phenocrysts: PLAGIOCLASE
Size(mm): <5
OLIVINE
Size(mm): <3
CLINOPYROXENE
Size(mm): <3
Replacement: CALCITE
FILLS VEINS + VESICLES + AMYGDULES;
SILICA
FILLS VESICLES + AMYGDULES;
Leg : 37 Top/Bottom Interval(mm): 20/1110 Analyst: Wright, T.
Hole: 332A Sample Midpoint (m) : 429.11
Core: 40 Top of Core Depth (m) : 425.00
Sect: 3 Top of Section Depth(m): 428.02
LITHOLOGY: PLAG-CPX-OL-PHYRIC BASALT;
Piece No. : PCE 1 (2-12), 2 (15-25), 3 (27-32), 4A-4E (35-67),
5 (70-74), 6 (76-84), 7 (86-96), 8A-8B (98-110),
Texture : PHYRIC, FINE-GRAINED;
Structure : SILICA + CHLOROPHAEITE FILLED AMYGDULES;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <3 Percent:
Location: Filling: SILICA
UBIQUITOUS, LARGE CAVITIES IN PCES 1 + 2;
Phenocrysts: PLAGIOCLASE
OLIVINE
CLINOPYROXENE
AUGITE;
Replacement: SILICA
FILLS VESICLES + AMYGDULES;
CHLOROPHAEITE
FILLS AMYGDULES;
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