Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 146.50
Core: 1 Top of Core Depth (m) : 139.00
Sect: 5 Top of Section Depth(m): 145.00
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCES 1 (3-10), 2 (11-15), 3 (16-23), 4 (25-31),
5A-5E (34-53), 6 (54-62), 7 (64-70), 8 (72-78),
9 (80-85), 10 (88-95), 11 (96-105), 12 (108-115),
13 (116-124), 14 (125-130), 15 (132-140),
16 (142-147);
Structure : CARB VEINS PRESENT;
Texture : PHYRIC, FINE-GRAINED GNDMASS, CRYSTALLINE GNDMASS;
Alteration : SLIGHTLY;
Comments : PECULIAR DARK AREAS IN PLAG WATER ROUNDED FORM,
CONCHOIDAL FRACTURE, VITREOUS LUSTER, CHECK THIN
SECTION;
Vesicles : Size(mm): <1 Percent:
VESICULAR, UBIQUITOUS;
Phenocrysts: PLAGIOCLASE ( 20%)
Size(mm): 5
UP TO 1CM;
OLIVINE ( <1%)
Size(mm): RARE TO 1
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Aumento, F.
Hole: 332B Sample Midpoint (m) : 153.00
Core: 2 Top of Core Depth (m) : 151.50
Sect: 1 Top of Section Depth(m): 151.50
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCES 1 (2-9), 2 (10-16), 3A+B (17-30), 4 (32-36),
5A-5C (40-61), 6 (64-70), 7 (72-78), 8A+B (80-89),
9A-9C (91-110), 10A+B (112-138), 11 (140-148);
Structure : CARB VEINS PRESENT;
Texture : PHYRIC, FINE-GRAINED GNDMASS, IN PCES 2+11 ZONES
OF LESS PHYRIC BASALT;
Vesicles :
Location: Filling: CARB,ZEOLITE
VESICULAR, FILLED WITH CARB AND ZEOLITE;
Phenocrysts: PLAGIOCLASE ( 30%)
Size(mm): 3-5
UP TO 1-1.5CM;
OLIVINE ( RARE%)
Size(mm): TO 1
Replacement: CARBONATE
IN VEINS AND VESICLES;
ZEOLITE
IN VESICLES;
Alteration : FRESH
VERY FRESH EXCEPT FOR WEAK OXIDATION;
Comments : WEAK OXIDATION;
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Aumento, F.
Hole: 332B Sample Midpoint (m) : 154.50
Core: 2 Top of Core Depth (m) : 151.50
Sect: 2 Top of Section Depth(m): 153.00
LITHOLOGY: PLAG-OL PHYRIC BASALT;
SAME AS SECTION 1;
Piece No. : PCES 1 (1-9). 2 (11-24), 3 (26-31), 4 (34-40),
5 (43-49), 6A-6C (51-73), 7 (75-80), 8 (83-92),
9 (95-100), 10A+B+C (102-125), 11 (127-138),
12 (140-148);
Texture : PHYRIC, ZONES OF DECREASING SIZE AND ABUNDANCE OF
PLAG PHENOS IN PCES 1+4+9;
Structure : THIN VEINS PRESENT IN ZONES OF PCES 1+4+9;
Vesicles : VESICULAR IN ZONES OF PCES 1+4+9;
Phenocrysts: PLAGIOCLASE
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 156.00
Core: 2 Top of Core Depth (m) : 151.50
Sect: 3 Top of Section Depth(m): 154.50
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCES 1 (2-10), 2A+B+C (12-18), 3 (20-28),
5A+B+C (42-61), 6 (63-78), 7 (81-85),
8A+B (86-102), 9 (104-112), 10 (114-120),
11 (121-126), 12 (129-140), 13 (142-148);
Structure : VUGS IN BOTTOM PART OF SECTION, PCES 11-13;
Texture : PHYRIC, RELATIVE TO SECTIONS 1 AND 2, THIS UNIT IS
MORE IRREGULAR IN DISTRIBUTION, ABUNDANCE, AND SIZE
OF THE PLAG PHENOS, PCE 6 REPRESENTS THE
INTERMEDIATE ZONE WITH IRREGULAR ABUNDANCE OF
PHENOS;
Structure : IRREGULAR VEINS FILLED WITH LITHIFIED SEDIMENTS
IN PCES 1+5+8;
Vesicles : VESICULAR, SMALL VESICLES;
Phenocrysts: PLAGIOCLASE (20-30%)
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 156.00
Core: 2 Top of Core Depth (m) : 151.50
Sect: 3 Top of Section Depth(m): 154.50
LITHOLOGY: PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCES 4A+B+C (31-39);
Texture : SPARSELY PHYRIC, APHYRIC BASALT WITH NARROW LAYER OF
SMALL PLAG PHENOS;
Structure : APHYRIC BASALT WITH NARROW LAYER OF SMALL PLAG
PHENOS MAY BE BORDER ZONE BETWEEN TWO BASALT UNITS;
Phenocrysts: PLAGIOCLASE
SMALL PLAG PHENOS;
Leg : 37 Top/Bottom Interval(mm): 0/1420 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 157.42
Core: 2 Top of Core Depth (m) : 151.50
Sect: 4 Top of Section Depth(m): 156.00
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCES 1A+B (2-11), 2 (14-29), 3 (21-25), 4 (27-36),
5 (38-41), 6 (44-51), 7 (52-68), 8 (70-79),
9A+B (81-85), 10 (87-97), 11 (99-105), 12 (106-115),
13A+B (116-140);
Structure : THIN VEINS PRESENT IN PCES 1+4;
Texture : PHYRIC, FEWER PLAG PHENOS IN PCE 10, PLAG PHENOS
MOST ABUNDANT IN BOTTOM OF PCE 13;
Comments : SLIGHT OXIDATION;
Vesicles : VESICULES IN PCE 4;
Alteration : FRESH
FRESH EXCEPT FOR WEAK OXIDATION;
Phenocrysts: PLAGIOCLASE
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 159.00
Core: 2 Top of Core Depth (m) : 151.50
Sect: 5 Top of Section Depth(m): 157.50
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCES 1 (2-11), 2 (12-21), 3 (24-26), 4 (28-36),
5 (39-52), 6 (55-60), 7 (62-70), 8 (72-85),
9 (87-102), 10 (105-137), 11 (140-148);
Structure : IN UPPER PART OF SECTION- BASALT WITH THIN VEINS
WITH LESS UNIFORMITY OF STRUCTURE THAN LOWER PART
AT INTERVAL (72-148) WHERE SECTION IS VERY UNIFORM,
UNOXIDATED, AND FRESH, VEINS IN PCES 1+2+4+6;
Texture : PHYRIC, PCE 4 IS LESS ABUNDANT IN PHENOS;
Alteration : FRESH
FRESH EXCEPT FOR WEAK OXIDATION AT UPPER PART OF
SECTION;
Comments : WEAK OXIDATION AT UPPER PART OF SECTION;
Vesicles : VESICULAR, VERY SMALL VESICLES, SOME GROUPED
TIGHTLY;
Phenocrysts: PLAGIOCLASE
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 160.50
Core: 2 Top of Core Depth (m) : 151.50
Sect: 6 Top of Section Depth(m): 159.00
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCES 1 (2-8), 2 (9-11), 3 (14-25), 4 (27-32),
5 (34-38), 6 (40-52), 7 (55-69), 8A+B (71-94),
9 (97-114), 10 (117-126), 11 (128-148);
Texture : PHYRIC, NARROW ZONES RELATIVELY DEPLETED IN PHENOS
ARE IN PCES 4+6+9;
Vesicles : Size(mm): Percent: RARE
RARE SMALL VESICLES, SOMETIMES GROUPED;
Phenocrysts: PLAGIOCLASE
DOMINANT IN ABUNDANCE;
OLIVINE ( RARE%)
OL MICROPHENOS ARE VERY RARE;
Groundmass : WELL CRYSTALLIZED GNDMASS;
Alteration : INTERVAL (115-148) IS UNOXIDATED;
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 162.00
Core: 2 Top of Core Depth (m) : 151.50
Sect: CC Top of Section Depth(m): 160.60
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCES 1A+B+C (2-28), 2 (20-24), 3 (25-32), 4 (31-43),
5 (45-62), 6 (64-74), 7 (76-80), 8 (82-87),
9 (90-95), 10 (97-106), 11 (107-117), 12 (119-128),
13A+B+C (130-140), NO PCE NUMBER ASSIGNED, INTERVAL
(142-149);
Structure : STRUCTURE OF UPPER PART OF SECTION IS MORE UNIFORM
THAN IN THE LOWER PART; VEINS PRESENT IN PCES 5+11;
Texture : PHYRIC, NARROW ZONES RELATIVELY DEPLETED IN PHENOS
ARE IN PCES 7+8+10+12;
Comments : LITHIFIED SEDIMENTS IN BOTTOM OF PCE 11;
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 200.50
Core: 3 Top of Core Depth (m) : 199.00
Sect: 1 Top of Section Depth(m): 199.00
LITHOLOGY: PLAG PHYRIC BASALT;
SAME BASALT AS IN CORE 2;
Piece No. : PCES 1 (2-6), 2A+B (8-33), 3 (36-44), 4 (45-52),
5 (54-67), 6A+B (70-80), 7 (82-96), 8A+B (97-128),
9 (130-135), 10 (138-149);
Structure : VEINLETS PRESENT IN PCES 2+10, FRACTURE IN PCE 6;
Texture : PHYRIC, ZONES OF RELATIVELY FEW PHENOS IN PCES 3+4+
10;
Alteration : LESS PHYRIC ZONES ARE USUALLY MORE OXIDATED AND
WEATHERED;
Comments : OXIDATED EXCEPT FOR INTERVAL (98-120), PROPERTIES OF
CHLORITZATION APPEAR IN PCE 3;
Phenocrysts: PLAGIOCLASE
Leg : 37 Top/Bottom Interval(mm): 0/1350 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 201.85
Core: 3 Top of Core Depth (m) : 199.00
Sect: 2 Top of Section Depth(m): 200.50
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCES 1 (2-11), 2 (13-20), 3 (23-28), 4 (31-45),
5 (47-52), 6 (54-67), 7 (69-75), 8 (77-83),
9 (85-91), 10 (93-105), 11 (107-119), 12 (121-126),
NO PCE NUMBER ASSIGNED, INTERVAL (128-134);
Structure : VEINLETS PRESENT IN PCES 6+11;
Texture : PHYRIC;
Phenocrysts: PLAGIOCLASE
Size(mm): 1-2
SMALL PHENOS ABUNDANT, NUMBER OF LARGE PHENOS
DECREASES DOWN CORE;
Leg : 37 Top/Bottom Interval(mm): 0/1450 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 203.45
Core: 3 Top of Core Depth (m) : 199.00
Sect: 3 Top of Section Depth(m): 202.00
LITHOLOGY: PLAG PHYRIC BASALT;
SAME BASALT CONTINUED FROM CORE 3 SECTION 2;
Piece No. : PCES 1A+B (2-18), 2A+B (20-59), 3 (61-68),
4 (70-143);
Structure : VEINLETS IN UPPER 60CM OF SECTION;
Texture : PHYRIC;
Comments : WEAK OXIDATION IS SPREAD AROUND THIN VEINLETS;
Phenocrysts: PLAGIOCLASE
Size(mm): 1-2
SAME AS CORE 3 SECTION 2, PHENOS INCREASE IN
ABUNDANCE AT TOP OF PCE 3;
Alteration : FRESH
ALL ROCKS ARE FRESH;
Leg : 37 Top/Bottom Interval(mm): 0/1470 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 204.97
Core: 3 Top of Core Depth (m) : 199.00
Sect: 4 Top of Section Depth(m): 203.50
LITHOLOGY: PLAG PHYRIC BASALT;
PCE 1 IS CONTINUED FROM PREVIOUS SECTION;
Piece No. : PCES 1 (2-33), 2A+B (35-78), 3 (80-86), 4 (89-102),
5 (104-111), 6 (103-120), 7 (121-128), 8 (130-137),
9 (139-147);
Alteration : FRESH
ALL ROCKS ARE VERY FRESH;
Leg : 37 Top/Bottom Interval(mm): 0/1050 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 204.55
Core: 3 Top of Core Depth (m) : 199.00
Sect: 4 Top of Section Depth(m): 203.50
LITHOLOGY: PLAG PHYRIC BASALT;
SAME BASALT AS IN PREVIOUS SECTIONS, BUT WITH A
PRONOUNCED DECREASE IN PHENO SIZE;
Piece No. : PCES 1 (2-33), 2A+B (35-77), 3 (80-86), 4 (89-101);
Texture : PHYRIC;
Phenocrysts: PLAGIOCLASE
Size(mm): 1-3
PRONOUNCED DECREASE IN SIZE (BUT NOT ABUNDANCE)
TOWARD BASE;
Leg : 37 Top/Bottom Interval(mm): 1050/1470 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 204.97
Core: 3 Top of Core Depth (m) : 199.00
Sect: 4 Top of Section Depth(m): 204.55
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (2-33), 2A+B (35-77), 3 (80-86), 4 (89-101);
PCES 5 (105-111), 6 (113-120), 7 (121-128),
8 (130-136), 9 (139-145);
Texture : APHYRIC;
Alteration : FRESH
ALL ROCKS ARE VERY FRESH;
Comments : THIS INTERVAL MAY BE FROM ANOTHER UNIT;
Vesicles : VESICULAR, SMALL AND UNFILLED;
Leg : 37 Top/Bottom Interval(mm): 900/1400 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 228.90
Core: 4 Top of Core Depth (m) : 227.50
Sect: 1 Top of Section Depth(m): 228.40
LITHOLOGY: APHYRIC BASALT;
SIMILAR TO BOTTOM PCES OF CORE 3 SECTION 4;
Piece No. : 1 (93-103), 2 (105-112), 3 (114-122), 4 (124-138);
Structure : THIN VEINLETS ARE PRESENT;
Texture : APHYRIC, VERY RARE SINGLE PLAG PHENOS, WELL
CRYSTALLIZED;
Comments : DARK GRAY BASALT;
Phenocrysts: PLAGIOCLASE ( RARE%)
Size(mm): 1-2
VERY RARE SINGLE PHENOS;
Leg : 37 Top/Bottom Interval(mm): 300/ 470 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 256.47
Core: 5 Top of Core Depth (m) : 256.00
Sect: 1 Top of Section Depth(m): 256.30
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES NO PCE NUMBERS ASSIGNED, INTERVAL (30-47);
Texture : APHYRIC, MICROCRYSTALLINE AND FINE-GRAINED GNDMASS;
Vesicles : Size(mm): 0.5 Percent:
VESICULAR, FEW VESICLES,<= 0.5;
Leg : 37 Top/Bottom Interval(mm): 0/1450 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 285.95
Core: 6 Top of Core Depth (m) : 284.50
Sect: 1 Top of Section Depth(m): 284.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (1-10), 2 (11-24), 3 (25-31), 4 (31-40),
5 (41-46), 6 (48-54), 7 (56-59), 8 (60-62),
9 (63-79), 10 (81-90), 11 (92-107), 12 (110-116),
13 (118-126), 14 (128-132), 14 (135-144);
Structure : NO AMYGDULES, CALCITE VEINING IN PCE 14;
Texture : APHYRIC, FINE-GRAINED, PCE 3 IS CHALK WITH TINY
GLASS FRAGMENTS, IN PCE 12 VERY FINE-GRAINED
GLASSY MATRIX?, PCES 9-11 ARE SLIGHTLY COARSER
GRAINED THAN PCES 1+2(UNIT 1);
Comments : PCE 3 IS CHALK WITH TINY GLASS FRAGMENTS;
Vesicles : MINUTE VESICLES IN PCE 12;
Groundmass : FINE GRAINED AND MICROCRYSTALLINE;
Alteration : SLIGHTLY;
Leg : 37 Top/Bottom Interval(mm): 0/1450 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 287.45
Core: 6 Top of Core Depth (m) : 284.50
Sect: 2 Top of Section Depth(m): 286.00
LITHOLOGY: SEDIMENT (CHALK);
Piece No. : PCES 1 (1-25), 4 (40-45), 5 (46-53), 6 (55-60),
7 (61-69), 8 (70-80), 7 (56-59), 8 (60-62);
Leg : 37 Top/Bottom Interval(mm): 0/1450 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 287.45
Core: 6 Top of Core Depth (m) : 284.50
Sect: 2 Top of Section Depth(m): 286.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 2 (26-30), 3 (32-40), 9 (81-89), 10 (90-95),
11 (90-100), 12 (102-114), 13 (115-130),
14 (132-140), 15 (141-148);
Structure : NO VEINS PRESENT, AMYGDULES IN TOP UNIT (26-40);
Texture : APHYRIC, GRANULAR, OCCASIONAL PLAG PHENOS IN BOTTOM
UNIT (80-148), TOP UNIT IS IDENTICAL TO BOTTOM UNIT
EXCEPT PCE 13 IS COARSER;
Comments : TWO UNITS PRESENT, UPPER UNIT INTERVAL (26-40),
BOTTOM UNIT INTERVAL (81-148);
Alteration : SLIGHTLY
MINIMAL ALTERATION;
Vesicles : VESICULAR, VESICLES INCREASE IN AMOUNT IN PCE 13;
Phenocrysts: PLAGIOCLASE
FEW SPARSE PLAG PHENOS PRESENT IN PCE 13;
Leg : 37 Top/Bottom Interval(mm): 0/1010 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 288.51
Core: 6 Top of Core Depth (m) : 284.50
Sect: 3 Top of Section Depth(m): 287.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (10-25), 2 (25-31), 3 (32-41), 4 (42-50),
5 (50-55), 6 (56-62), 7 (64-70), 8 (71-79),
9 (80-85), 10 (86-94), 11 (90-100);
Structure : SILICEOUS AND CALCAREOUS VEINS, AMYGDULES IN VARIOUS
STAGES OF FILLING-UP TO 2MM;
Texture : APHYRIC, TOP OF PCE 1 MAY BE PLAG SPARSELY PHYRIC,
PCE 10 IS COARSER GRAINED; CHALK FRAGMENTS IN PCE
11;
Alteration : SLIGHTLY;
Comments : THIS UNIT CONTINUOUS FROM SECTION 2;
Vesicles : Size(mm): 1-2 Percent:
VESICULAR, VERY VESICULAR TOWARD PCES 9+10, NO
VESICLES IN PCE 4, IN VARIOUS STAGES OF FILLING;
Leg : 37 Top/Bottom Interval(mm): 240/ 650 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 313.65
Core: 7 Top of Core Depth (m) : 313.00
Sect: 1 Top of Section Depth(m): 313.24
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCES NO PCE NUMBERS ASSIGNED, INTERVAL (24-65);
Structure : CALCAREOUS VEINS, AMYGDULES WITH PARTIAL ZEOLITE
FILLING IS COMMON;
Texture : COARSELY PHYRIC, BAKED CALCAREOUS SEDIMENT COATING
ON BASALT AT INTERVAL (48-55);
Alteration : SLIGHTLY;
Vesicles : Size(mm): 1-2 Percent:
VESICULAR, UBIQUITOUS;
Phenocrysts: PLAGIOCLASE
PLAG>>OL IN ABUNDANCE;
OLIVINE
Replacement: ZEOLITE
IN AMYGDULES;
CARBONATE
IN VEINS;
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Robinson, P.T.
Hole: 332B Sample Midpoint (m) : 324.00
Core: 8 Top of Core Depth (m) : 322.50
Sect: 1 Top of Section Depth(m): 322.50
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCES 1 (2-10), 2 (12-20), 3 (24-31), 4 (35-37),
5 (40-45), 6 (47-50), 7 (54-57), 8 (60-69),
9 (72-79), 10 (81-85), 11 (88-95), 12 (98-105),
13 (107-110), 14 (112-130), 15 (132-140),
16 (141-147);
Structure : SCATTERED CALCITE VEINLETS, IN UNIT 2 (PCES 4-6)
VEINS ARE OF BROWN CALCITE OR CALCAREOUS SEDIMENT;
Texture : PHYRIC, GRANULAR, CRYSTALLINE GNDMASS, GLASSY RINDS
AT 38 AND 48CM, SLIGHTLY FINER GRAINED AT GLASSY
ZONE AT BASE OF UNIT 1 (0-37), GNDMASS IN UNIT 1
IS FAIRLY COARSE-GRAINED, UNIT 3 (54-150) IS SAME
AS UNIT 1;
Alteration : FRESH
UNITS 1+3 ARE VERY FRESH, UNIT 2 IS DARKER COLORED
AND MORE ALTERED;
Comments : 3 UNITS ARE PRESENT, UNIT 1 (0-37), UNIT 2 (40-50),
UNIT 3 (54-150);
Vesicles :
Location: Filling: CARB,SMEC,SILICA
MODERATELY VESICULAR, MORE VESICULAR AT BASE OF
UNIT 1, ABUNDANT CALCITE FILLED VESICLES IN UPPER
3OCM OF UNIT 3;
Phenocrysts: PLAGIOCLASE ( 5-10%)
Size(mm): 1-3
OLIVINE ( RARE%)
OL RARE, PRESENT IN PCES 1+2+5+6;
Replacement: SMECTITE
IN VESICLES;
CARBONATE
IN VESICLES;
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Robinson, P.T.
Hole: 332B Sample Midpoint (m) : 325.50
Core: 8 Top of Core Depth (m) : 322.50
Sect: 2 Top of Section Depth(m): 324.00
LITHOLOGY: PLAG-OL-CPX MOD PHYRIC BASALT;
Piece No. : PCES 1 (2-7), 2 (10-15), 3 (18-24), 4 (26-30),
5 (32-40), 6 (42-49), 7 (51-60), 8 (62-67),
9 (70-78), 10 (80-90), 11 (92-96), 12 (98-104),
13 (107-117), 14 (119-124), 15 (126-134),
16 (136-145);
Structure : CALCITE VEINS AND CALCITE LINED VUGS PRESENT,
CALCITE VUG NOTED IN PCE 7, CALCITE VEIN NOTED IN
PCE 5, FRACTURE IN PCE 10;
Texture : MOD PHYRIC, MEDIUM-GRAINED GNDMASS;
Alteration : FRESH
MOST OF CORE IS QUITE FRESH;
SLIGHTLY
LOWER 35CM IS SLIGHTLY ALTERED;
Comments : LIGHT GRAY BASALT;
Vesicles : MODERATELY VESICULAR THROUGHOUT, MORE VESICULAR
IN PCES 1+2+11-16;
Phenocrysts: PLAGIOCLASE ( 5-10%)
Size(mm): 1-3
OLIVINE ( RARE%)
CLINOPYROXENE ( RARE%)
Replacement: VERY RARE GREEN CPX;
CALCITE
IN VEINS;
Groundmass : PLAGIOCLASE
PLAG IS VISIBLE;
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Robinson, P.T.
Hole: 332B Sample Midpoint (m) : 327.00
Core: 8 Top of Core Depth (m) : 322.50
Sect: 3 Top of Section Depth(m): 325.50
LITHOLOGY: PLAG-OL MOD PHYRIC BASALT;
Piece No. : PCES 1 (2-11), 2 (15-20), 3 (21-30), 4 (31-40),
5 (41-46), 6 (48-54), 7 (56-60), 8 (62-70),
9 (72-78), 10 (81-86), 11 (88-97), 12 (98-102),
16 (127-135), 17 (136-142);
Structure : CALCITE VEINS AND VUGS PRESENT,BOTH ARE NOTED IN
PCES 2+4, CALCITE VEIN NOTED IN PCE 14;
Texture : MOD PHYRIC;
Alteration : FRESH
PCES 9-12 ARE VERY FRESH;
SLIGHTLY
Vesicles : Size(mm): 1-2 Percent:
Location: Filling: CALCITE,SMEC
ABUNDANT IN PCES 1-7, VESICLES PARTLY FILLED WITH
GLOBULES OF CALCITE AND GREENISH TO YELLOWISH
BROWN SMEC;
Phenocrysts: PLAGIOCLASE
Size(mm): 1-3
Vesicles : ABUNDANT IN PCES 1-7, VESICLES PARTLY FILLED WITH
GLOBULES OF CALCITE AND GREENISH TO YELLOWISH
BROWN SMEC;
Phenocrysts: PLAGIOCLASE
Size(mm): 1-3
OLIVINE ( RARE%)
SCARCE OL;
Replacement: CALCITE
GLOBULES OF CALCITE IN VESICLES;
SMECTITE
Groundmass : GREENISH TO YELLOWISH BROWN SMEC IN VESICLES;
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 333.50
Core: 9 Top of Core Depth (m) : 332.00
Sect: 1 Top of Section Depth(m): 332.00
LITHOLOGY: PLAG MOD PHYRIC BASALT;
CONTINUOUS SECTION OF PLAG PHYRIC BASALTS;
Piece No. : PCES 1 (2-10), 2 (10-22), 3 (23-30), 4 (32-40),
5 (41-50), 6 (51-58), 7 (59-65), 8 (65-74),
9 (75-80), 10 (82-90), 11 (92-99), 12 (100-105),
13 (106-115), 14 (115-120), 15 (120-126),
16 (128-131), 17 (132-138), 18 (140-148);
Structure : CALCITE AND ZEOLITE FILLED AMYGDULES, CALCAREOUS
VEINS, CALCITE VEIN NOTED IN PCE 13;
Texture : MOD PHYRIC, GNDMASS HOLOCRYSTALLINE, CALCAREOUS
COATING IN PCE 3;
Alteration : SLIGHTLY
SLIGHT WEATHERING IN SOME PLACES;
Vesicles :
Location: Filling:
Shape : PIPE
VESICULAR, LESS VESICULAR AT BOTTOM, PIPE VESICLES
IN PCES 10+11;
Phenocrysts: PLAGIOCLASE
Size(mm): 1-3
PLAG GREATEST IN ABUNDANCE;
OLIVINE ( RARE%)
VIRTUALLY NO OL IN CORE 9 COMPARED TO RARE OL IN
CORES 7 AND8;
CLINOPYROXENE ( RARE%)
Replacement: CALCITE
IN AMYGDULES;
ZEOLITE
IN AMYGDULES;
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 335.00
Core: 9 Top of Core Depth (m) : 332.00
Sect: 2 Top of Section Depth(m): 333.50
LITHOLOGY: PLAG PHYRIC BASALT;
CONTINUOUS SEQUENCE ALTHOUGH LESS VESICULAR AND
SLIGHTLY MORE MASSIVE;
Piece No. : PCES 1 (2-10), 2 (12-20), 3 (20-26), 4 (26-31),
5 (32-40), 6 (41-50), 7 (50-59), 8 (60-64),
9 (65-70), 10 (71-80), 11 (81-85), 12 (86-104),
13 (105-110), 14 (112-120), 15 (120-130),
16 (130-140), 17 (140-146);
Structure : CALCAREOUS VEINS PRESENT, VEIN NOTED IN PCE 5,
SLIGHTLY MORE MASSIVE THAN PREVIOUS SECTIONS;
Texture : PHYRIC, FINE TO MODERATE GRAINED GNDMASS;
Alteration : SLIGHTLY;
Comments : UNIT 1 SAME AS 9-1;
Vesicles : VESICULAR, SPARSE;
Phenocrysts: PLAGIOCLASE
Size(mm): 3-6
Leg : 37 Top/Bottom Interval(mm): 0/1390 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 336.39
Core: 9 Top of Core Depth (m) : 332.00
Sect: 3 Top of Section Depth(m): 335.00
LITHOLOGY: PLAG PHYRIC BASALT;
UNIT 1-SAME AS 9-2, CONTINUOUS FROM 9-1 AND 9-2;
Piece No. : PCES 1 (2-11), 2 (12-20), 3 (21-30), 4 (31-37),
5 (38-50), 6 (50-58), 7 (59-65), 8 (65-70),
9 (71-76), 10 (78-85), 11 (85-91), 12 (92-100),
13 (100-107), 14 (108-116), 15 (117-126),
16 (127-138);
Structure : GENERALLY MASSIVE;
Texture : PHYRIC;
Alteration : SLIGHTLY
UNIT 2 IS FRESHER THAN UNIT 1;
Comments : UNIT 1 (0-57), UNIT 1 (59-139);
Vesicles : PCES 12-16 ARE VESICULAR, ESPECIALLY 16;
Phenocrysts: PLAGIOCLASE
Size(mm): 4
OLIVINE ( RARE%)
UNIT 2 ONLY;
AUGITE ( RARE%)
UNIT 2 ONLY;
Leg : 37 Top/Bottom Interval(mm): 0/ 720 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 351.72
Core: 10 Top of Core Depth (m) : 351.00
Sect: 1 Top of Section Depth(m): 351.00
LITHOLOGY: PLAG-OL-PYX MOD PHYRIC BASALT;
SIMILAR TO UNIT 2 OF 9-3;
Piece No. : PCES 1 (4-10), 2 (13-17), 3 (20-25), 4 (28-32),
5 (35-39), 6 (41-47), 7 (50-55), 8 (59-65),
9 (68-72);
Structure : SEVERAL CALCITE VEINS, BASALT PILLOW STACK?;
Texture : MOD PHYRIC, FINE-GRAINED, GLASSY RIND IN PCE 5;
Comments : DARK GRAY BASALT, UNIT 1 (0-72);
Vesicles : VESICULAR, VARIABLE;
Phenocrysts: PLAGIOCLASE ( 5%)
Size(mm): 3
OLIVINE ( RARE%)
SCATTERED;
PYROXENE ( RARE%)
Replacement: CALCITE
IN VEINS;
Groundmass : FINE-GRAINED AND CRYSTALLINE;
Vesicles : 2 VESICULAR ZONES, PCE 4 IS NOTED VESICULAR;
Leg : 37 Top/Bottom Interval(mm): 740/1480 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 352.48
Core: 10 Top of Core Depth (m) : 351.00
Sect: 1 Top of Section Depth(m): 351.74
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCES 10 (74-77), 11 (80-83), 12 (86-93),
13 (95-105), 14 (107-115), 15 (118-125),
16 (127-138), 17 (140-148);
Structure : SEVERAL CALCITE VEINS, FRACTURES PRESENT;
Texture : PHYRIC, MICROCRYSTALLINE GNDMASS;
Alteration : INTENSE SMEC ALTERATION ALONG FRACTURES AND IN
GNDMASS, BROWNISH ALTERATION;
Comments : UNIT 2 (74-148), CONTINUOUS INTO NEXT CORE;
Vesicles :
Location: Filling: CALCITE,SMEC,
Location: Filling: ZEOLITE
HIGHLY VESICULAR, ALL VESICULAR PCES;
Phenocrysts: PLAGIOCLASE
Size(mm): 3
NO OL OR PYX;
Replacement: CALCITE
IN VESICLES;
SMECTITE
IN VESICLES;
ZEOLITE
IN VESICLES;
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 354.00
Core: 10 Top of Core Depth (m) : 351.00
Sect: 2 Top of Section Depth(m): 352.50
LITHOLOGY: PLAG MOD PHYRIC BASALT;
CONTINUOUS FROM 10-1;
Piece No. : PCES 1 (3-5), 2 (8-11), 3 (13-18), 4A+B+C (20-44),
5 (46-50), 6 (52-55), 7A+B (57-70), 8 (73-80),
9A+B+C (83-100), 10A-E (103-145);
Structure : CALCITE AND SMECTITE VEINS, YELLOW CALCITE VEIN IN
PCE 9C(COLOR 5Y 5/2), AMYGDULES FILLED WITH SMEC,
ZEOLITE, AND CALCITE;
Texture : MOD PHYRIC, MICROCRYSTALLINE GNDMASS;
Alteration : EXT
Comments : TYPICAL OXIDATION LEAVING REDDISH-BROWN AREAS FOR
10-30CM, INTERSPERSED WITH GRAY UNOXIDIZED MATERIAL;
Vesicles : Size(mm): TO 3.5 Percent:
Location: Filling: CALCITE,SMEC,
Location: Filling: ZEOLITE
ABUNDANT VESICLES PARTLY-TOTALLY FILLED WITH
SMEC+ ZEOLITE+ CALCITE;
Phenocrysts: PLAGIOCLASE ( 6%)
Size(mm): 3
Groundmass :
Size(mm): 0.25-1
MICROCRYSTALLINE;
Replacement: SMECTITE
IN VESICLES;
ZEOLITE
IN VESICLES;
CALCITE
IN VESICLES;
SULFIDE
SULFIDES ALONG SOME VEINS, IN SCATTERED VESICLES;
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 355.50
Core: 10 Top of Core Depth (m) : 351.00
Sect: 3 Top of Section Depth(m): 354.00
LITHOLOGY: PLAG MOD PHYRIC BASALT;
SAME AS 10-2;
Piece No. : PCES 1A-D (5-31), 2A-J (33-104),
Structure : RARE SMEC LINED VEINS, SCATTERED SMEC FILLED
AMYGDULES;
Texture : MOD PHYRIC, MICROCRYSTALLINE GNDMASS;
Alteration : MOD
Comments : OXIDIZED BAND BASE AT PCE 1D, OXIDIZED ZONE BELOW
PCE 2B (5Y 5/2);
Vesicles : Size(mm): Percent: RARE
RARE VESICLES
Phenocrysts: PLAGIOCLASE ( 6%)
Size(mm): 3
Replacement: SMECTITE
IN AMYGDULES AND VEINS;
Groundmass :
Size(mm): 0.25-1
MICROCRYSTALLINE;
Comments : CONTINUOUS UNIT 2 FROM 10-1;
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 362.00
Core: 11 Top of Core Depth (m) : 360.50
Sect: 1 Top of Section Depth(m): 360.50
LITHOLOGY: PLAG MOD PHYRIC BASALT;
Piece No. : PCES 1 (4-12), 2A+B (14-30), 3A-D (33-65),
4 (68-78), 5 (80-90), 6 (92-100), 7 (101-109),
8A+B (111-146);
Structure : AMYGDULES FILLED WITH SMEC, ZEOLITES, CALCITE,
RARE VEINS OF CALCITE AND SMEC, ABUNDANT SOFT BLACK
GLOBULES ON FRACTURE SURFACES IN PCE 5, OXIDIZED
ZONE ALONG FRACTURE SURFACE OF PCE 3A;
Texture : MOD PHYRIC, MICROCRYSTALLINE GNDMASS;
Alteration : EXT
Comments : UNIT IS CONTINUOUS FROM 10-1, COLOR INDEX N3,
OXIDIZED AND UNOXIDIZED PATCHES;
Vesicles : VESICULAR, SCATTERED AND SMALL;
Phenocrysts: PLAGIOCLASE ( 5%)
Size(mm): 3
Groundmass :
Size(mm): 0.5-1
DOLERITIC;
Replacement: SMECTITE
IN AMYGDULES AND VEINS;
ZEOLITE
IN AMYGDULES;
CALCITE
IN AMYGDULES AND VEINS;
Leg : 37 Top/Bottom Interval(mm): 0/1460 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 363.46
Core: 11 Top of Core Depth (m) : 360.50
Sect: 2 Top of Section Depth(m): 362.00
LITHOLOGY: PLAG MOD PHYRIC BASALT;
Piece No. : PCES 1A (4-20), 1B (20-39), 1C (39-50), 1D (50-57),
2 (60-65), 3A (67-77), 3B (77-87), 4 (90-98),
5 (100-107), 6A (110-120), 6B (120-126),
6C (126-136), 6D (136-143);
Structure : FEW CALCITE AND SMEC VEINS;
Texture : MOD PHYRIC, MICROCRYSTALLINE GNDMASS;
Alteration : FRESH
ABOVE 40CM, BOUNDARY BETWEEN FRESH AND WEATHERED
ZONES AT PCE 1C, PCES 3A+3B HAVE SMALL UNWEATHERED
SECTIONS, MORE INTENSE WEATHERING IN PCES 5+6B+6D;
Comments : UNIT CONTINUOUS FROM CORE 10 SECTION 1;
Phenocrysts: PLAGIOCLASE ( 5%)
Size(mm): 3
Groundmass :
Size(mm): 0.5-1
MICROCRYSTALLINE, DIABASIC;
Replacement: CALCITE
IN VEINS;
SMECTITE
IN VEINS;
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 365.00
Core: 11 Top of Core Depth (m) : 360.50
Sect: 3 Top of Section Depth(m): 363.50
LITHOLOGY: PLAG-AUGITE MOD PHYRIC BASALT;
Piece No. : PCES 1 (3-10), 2 (13-21), 3A (24-31), 3B (31-45),
3C (44-50), 3D (50-57), 4 (60-65), 5 (68-73),
6 (75-79), 7A (81-89), 7B (88-95), 8 (97-105),
9 (108-115), 10A (18-125), 10B (124-134),
10C (134-140), 11 (143-148);
Texture : MOD PHYRIC, MICROCRYSTALLINE GNDMASS;
Structure : YELLOW CALCITE VEIN IN PCE 11;
Alteration : ALTERNATING FRESH AND WEATHERED ZONES THROUGH
CORE, FRESH ZONES IN PCES 3B+7A+7B+8+10B,
WEATHERED IN PCES 1-3A+3C+6+9+10A;
Comments : UNIT CONTINUOUS FROM CORE 10 SECTION 1, COLOR INDEX
N3;
Phenocrysts: PLAGIOCLASE ( 5%)
Size(mm): 3
AUGITE ( RARE%)
GREEN AUGITE RARE, AUGITE PHENO 1MN NOTED IN PCE
4;
Groundmass : PLAGIOCLASE
Size(mm): 0.5-1
MICROCRYSTALLINE;
Replacement: CALCITE
YELLOW CALCITE IN VEINS;
Leg : 37 Top/Bottom Interval(mm): 0/1200 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 366.20
Core: 11 Top of Core Depth (m) : 360.50
Sect: 4 Top of Section Depth(m): 365.00
LITHOLOGY: PLAG MOD PHYRIC BASALT;
Piece No. : PCES 1 (3-10), 2 (13-17), 3 (20-25), 4 (28-30),
5A (33-36), 5B (36-45), 5C (44-51), 5D (51-55),
5E (51-55), 5F (51-55), 5G (55-60), 5H (55-60),
5I (60-72), 5J (72-83), 5K (83-90), 6A (94-105),
6B (105-118);
Structure : CONTINUOUS THIN CALCITE VEIN WITH RED SMEC;
Texture : MOD PHYRIC, MICROCRYSTALLINE GNDMASS;
Alteration : UPPER SECTIONS ARE LESS INTENSELY ALTERED COMPARED
TO PCE 5+6, FRESH ZONES IN PCES 5K+6B;
Comments : UNIT TO 118CM CONTINUOUS FROM CORE 10 SECTION 1,
COLOR INDEX N3 AND 5Y 3/2;
Phenocrysts: PLAGIOCLASE ( 5%)
Size(mm): 3
AUGITE
2 GREEN AUGITE PHENOS 1MM NOTED IN PCE 6B;
Groundmass :
Size(mm): <1
MICROCRYSTALLINE;
Replacement: CALCITE
IN VEIN;
SMECTITE
RED SMEC IN VEIN;
Leg : 37 Top/Bottom Interval(mm): 1250/1500 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 366.50
Core: 11 Top of Core Depth (m) : 360.50
Sect: 4 Top of Section Depth(m): 366.25
LITHOLOGY: PLAG-OL-PYX MOD PHYRIC BASALT;
Piece No. : PCES 8 (128-135), 9 (136-145);
Structure : SULFIDE VEINLET, FRACTURE IN PCE 9 LINED WITH
SULFIDES;
Texture : MOD PHYRIC, MUCH FINER GRAINED THAN REST OF SECTION,
CRYSTALLINE, VERY FINE GRAINED GNDMASS,;
Comments : PROBABABLY CONTACT ZONE OF UNIT 1;
Phenocrysts: PLAGIOCLASE ( 5%)
Size(mm): 3
PYROXENE ( RARE%)
OLIVINE ( RARE%)
Groundmass : CRYSTALLINE, VERY FINE-GRAINED;
Replacement: SULFIDES
IN VEINS AND LINING FRACTURE;
Vesicles : Size(mm): 1 Percent: 3-4
VESICULAR;
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 371.50
Core: 12 Top of Core Depth (m) : 370.00
Sect: 1 Top of Section Depth(m): 370.00
LITHOLOGY: PLAG-OL-AUGITE PHYRIC BASALT;
Piece No. : PCES 1 (2-10), 2 (12-16), 3 (18-24), 4 (26-32),
5 (33-37), 6 (40-45), 7 (47-52), 8 (54-62),
9 (64-70), 10 (71-74), 11 (75-81), 12(83-89),
13 (91-96), 14 (98-103), 15 (105-110),
16 (112-118), 17 (120-126), 18 (128-133),
19 (135-139), 20 (141-148);
Structure : BROWNISH STAIN ON FRACTURES;
Texture : PHYRIC, CRYSTALLINE GNDMASS, FINE-GRAINED GNDMASS;
Alteration : SLIGHTLY;
Comments : FLOW UNIT CONTACT? AT 120CM, CHANGES IN VESICULARITY
MAY INDICATE FLOW UNITS;
Vesicles : Size(mm): 1-2 Percent:
Location: Filling: CLAY
UBIQUITOUS, GREEN CLAY IN VESICLES, CHANGES IN
VESICULARITY MAY INDICATE FLOW UNITS;
Phenocrysts: PLAGIOCLASE (10-15%)
Size(mm): 3-4
AUGITE ( RARE%)
Size(mm): <=1
AUGITE ( RARE%)
Size(mm): <1
OLIVINE ( RARE%)
Size(mm): <1
NOTED IN PCES 1+3+8+15+17+20, OL MORE COMMON AT
PCE 17;
Groundmass : CRYSTALLINE, FINE-GRAINED;
Phenocrysts: PLAGIOCLASE
Size(mm): 1-2
OLIVINE ( RARE%)
MICROPHENOS;
Vesicles : ENRICHED BY VESICLES, THERE ARE THREE ZONES
DEPLETED BY VESICLES (29-43), (90-117),
(125-150), THE AMOUNTS OF THESE GRADUALLY INCREASE
IN THESE ZONES, VESICLES ABUNDANT IN INTERVALS
(45-90), (117-125);
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 381.00
Core: 13 Top of Core Depth (m) : 379.50
Sect: 1 Top of Section Depth(m): 379.50
LITHOLOGY: PLAG-OL PHYRIC BASALT AND BRECCIA;
Piece No. : PCES 1 (15-19), 2 (21-26), 3 (29-35), 4 (37-42),
5A+5B (45-62), 6 (65-78), 7 (80-91), 8 (95-105),
9 (105-111), 10 (114-118), 11 (120-125),
12 (129-135), 13 (137-147);
Structure : IRREGULAR VERTICAL VEIN 1.0-2.5CM THICK FILLED WITH
BRECCIA CONSISTING OF MIXTURE OF BASALTIC AND GLASSY
CHIPS CEMENTED BY CARB-ZEOLITE MATERIAL;
Texture : PHYRIC, BRECCIA IN PCES 1-5;
Alteration : SLIGHTLY;
LITHOLOGY: UNIT 1-5 SIMILAR LITHOLOGY-PLAG PHYRIC WITH VERY
RARE OL AND AUGITE SEPARATED BY CHANGES OF TEXTURE
AND VESICULARITY;
Vesicles : ENRICHED BY VESICLES, THERE ARE THREE ZONES
DEPLETED BY VESICLES (29-43), (90-117),
(125-150), THE AMOUNTS OF THESE GRADUALLY INCREASE
IN THESE ZONES, VESICLES ABUNDANT IN INTERVALS
(45-90), (117-125);
Phenocrysts: PLAGIOCLASE
Size(mm): 1-2
OLIVINE ( RARE%)
MICROPHENOS;
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 390.50
Core: 14 Top of Core Depth (m) : 389.00
Sect: 1 Top of Section Depth(m): 389.00
LITHOLOGY: PLAG-OL-AUGITE PHYRIC BASALT;
SIMILAR TO 13-1;
Piece No. : PCES 1 (23-39), 2 (41-46), 3 (48-42), 4 (55-60),
5 (62-67), 6A+B (69-72), 7 (74-78), 8 (80-84),
9 (86-92), 10 (95-101), 11 (103-107), 12 (109-117),
13 (118-124), 14 (126-132), 15A+B (134-139);
Structure : AMYGDULES FILED WITH ZEOLITE (BLADED CRYSTALS),
AMYGDULES FILLED WITH ZEOLITE (BLADED CRYSTALS),
ARE MASSIVE;
Texture : PHYRIC, CRYSTALLINE AND FINE-GRAINED GNDMASS;
Alteration : SLIGHTLY;
Comments : MASSIVE PCES (1+5) MAY BE NEAR FLOW UNIT CONTACTS;
Vesicles : Size(mm): TO 2 Percent:
Location: Filling: CALCITE,SILICA,
Location: Filling: ZEOLITES
VESICULAR, UBIQUITOUS EXCEPT PCE 1;
Phenocrysts: PLAGIOCLASE (10-15%)
Size(mm): TO 3
OLIVINE ( RARE%)
Size(mm): 1
AUGITE (RARES%)
Size(mm): <1
GREEN AUGITE, VERY RARE;
Replacement: CALCITE
IN VESICLES;
ZEOLITE
IN VESICLES;
SILICA
IN VESICLES;
Groundmass : CRYSTALLINE AND FINE-GRAINED;
Phenocrysts: PLAGIOCLASE ( 15%)
Size(mm): TO 3
OLIVINE ( RARE%)
Size(mm): 1
LESS OL THAN CORE 14-1, VERY RARE, OL NOTED IN
PCES 7+9;
AUGITE ( 0%)
NO AUGITE SEEN;
Groundmass : FINE TO MED GRAINED;
Replacement: ZEOLITE
IN AMYGDULES;
CALCITE
IN AMYGDULES;
SILICA
IN AMYGDULES;
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 392.00
Core: 14 Top of Core Depth (m) : 389.00
Sect: 2 Top of Section Depth(m): 390.50
LITHOLOGY: PLAG-OL PHYRIC BASALT;
SIMILAR TO CORE 14-1;
Piece No. : PCES 1 (11-16), 2 (18-25), 3 (26-50), 4A-F (51-90),
5 (91-95), 6 (98-110), 7 (111-122), 8 (123-132),
9 (135-141), 10A-C (143-148);
Structure : COMMON AMYGDULES FILLED WITH ZEOLITE +CALCITE +
SILICA;
Texture : PHYRIC, FINE TO MED GRAINED, SOMEWHAT COARSER
GRAINED THAN CORE 14-1;
Alteration : SLIGHTLY TO MOD
MORE SECONDARY MINERALS THAN UP-HOLE SAMPLES;
Vesicles : Size(mm): TO 2 Percent:
ABUNDANT, QUITE VESICULAR BUT MORE UNIFORMLY SO;
Phenocrysts: PLAGIOCLASE ( 15%)
Size(mm): TO 3
OLIVINE ( RARE%)
Size(mm): 1
LESS OL THAN CORE 14-1, VERY RARE, OL NOTED IN
PCES 7+9;
AUGITE ( 0%)
NO AUGITE SEEN;
Groundmass : FINE TO MED GRAINED;
Replacement: ZEOLITE
IN AMYGDULES;
CALCITE
IN AMYGDULES;
SILICA
IN AMYGDULES;
Leg : 37 Top/Bottom Interval(mm): 0/ 250 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 398.75
Core: 15 Top of Core Depth (m) : 398.50
Sect: 1 Top of Section Depth(m): 398.50
LITHOLOGY: PLAG PHYRIC BASALT;
SIMILAR TO CORE 14-2;
Piece No. : PCES 1 (2-12), 2A-C (14-25);
Structure : CHLORITE VEIN IN PCE 1, AMYGDULES FILLED WITH SMEC
AND CALCITE;
Texture : PHYRIC, SOMEWHAT LESS PHYRIC THAN CORE 14-2, FINE TO
MEDIUM-GRAINED;
Alteration : SLIGHT TO MOD;
Vesicles : Size(mm): <1 Percent:
VESICULAR, UBIQUITOUS;
Phenocrysts: PLAGIOCLASE
Size(mm): TO 3
ABUNDANT, SOMEWHAT LESS PHYRIC THAN CORE 14-2,
NO OL OR AUGITE SEEN;
Leg : 37 Top/Bottom Interval(mm): 270/ 650 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 399.15
Core: 15 Top of Core Depth (m) : 398.50
Sect: 1 Top of Section Depth(m): 398.77
LITHOLOGY: PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCES 3 (27-35), 4 (36-43), 5 (45-50), 6A+B (52-65);
Structure : AMYGDULES FILLED WITH SMEC AND CALCITE;
Texture : SPARSELY TO MOD PHYRIC, FINE TO MEDIUM-GRAINED;
Alteration : SLIGHT TO MOD;
Vesicles : Size(mm): <1 Percent:
VESICULAR, UBIQUITOUS;
Phenocrysts: PLAGIOCLASE
Size(mm): TO 3
NO OL OR AUGITE SEEN;
Leg : 37 Top/Bottom Interval(mm): 680/1500 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 400.00
Core: 15 Top of Core Depth (m) : 398.50
Sect: 1 Top of Section Depth(m): 399.18
LITHOLOGY: PLAG-OL-AUGITE PHYRIC BASALT;
Piece No. : PCES 7 (68-90), 8 (92-99), 9 (100-113),
10 (115-132), 11 (135-148);
Structure : AMYGDULES FILLED WITH SMEC AND CALCITE;
Texture : PHYRIC;
Alteration : SLIGHT TO MOD
AS IN CORE 14 ALTERATION ZONES OF FRESH(GRAY) AND
SLIGHTLY ALTERED(GREEN);
Vesicles : Size(mm): <1 Percent:
VESICULAR, UBIQUITOUS;
Phenocrysts: PLAGIOCLASE
Size(mm): TO 3
OLIVINE ( RARE%)
Size(mm): 1
VERY RARE, OL NOTED IN PCE 11;
AUGITE ( RARE%)
Size(mm): 1
VERY RARE, ONE GREEN AUGITE CRYSTAL NOTED IN PCE
10, NO OL OR AUGITE SEEN IN PCE 7, PLAG>>OL+
AUGITE;
Replacement: THIS CORE AND ESPECIALLY 14 HAVE MORE SECONDARY
MINERALS THAN UP-HOLE;
Leg : 37 Top/Bottom Interval(mm): 0/1180 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 401.18
Core: 15 Top of Core Depth (m) : 398.50
Sect: 2 Top of Section Depth(m): 400.00
LITHOLOGY: PLAG-OL PHYRIC BASALT;
SIMILAR TO CORE 15-1;
Piece No. : PCES 1 (16-25), 2 (26-32), 3 (34-40), 4 (40-44),
5 (45-51), 6 (53-63), 7 (65-70), 8 (73-77),
9 (79-87), 10 (90-97), 11 (100-104), 12 (105-110),
13 (111-118);
Texture : PHYRIC, FINE-GRAINED;
Vesicles :
Location: Filling: CALCITE
PCE 13 IS VESICULAR, CALCITE FILLED;
Phenocrysts: PLAGIOCLASE
OLIVINE
Size(mm): 1
PLAG>>OL IN ABUNDANCE, OL NOTED IN PCES 1+5+7+10+
13, ALL 1MM EXCEPT 2MM PHENO IN PCE 13;
GREEN AUGITE NOTED IN PCES 10 AND 13(<=1MM);
Replacement: CALCITE
IN VESICLES;
Leg : 37 Top/Bottom Interval(mm): 1200/1500 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 401.50
Core: 15 Top of Core Depth (m) : 398.50
Sect: 2 Top of Section Depth(m): 401.20
LITHOLOGY: PLAG-OL MOD PHYRIC BASALT;
Piece No. : PCES 14 (120-126), 15 (128-138), 16 (140-148);
Structure : HIGHLY VEINED WITH CARB AND ZEOLITE, CARB VEINS
NOTED IN PCES 15+16, AMYGDULES ARE FILLED WITH
CALCITE AND BLUE-GREEN CLAY;
Texture : MOD PHYRIC, CRYSTALLINE AND FINE-GRAINED GNDMASS;
Alteration : SLIGHT TO MOD;
Comments : THIS INTERVAL IS UNIT 2;
Phenocrysts: PLAGIOCLASE ( 1-5%)
Size(mm): TO 5
OLIVINE ( 1-5%)
Size(mm): TO 3
OL COMMON IN ALL 3 PCES, PLAG>OL IN ABUNDANCE;
Groundmass : CRYSTALLINE AND FINE-GRAINED;
Replacement: CARBONATE
IN AMYGDULES AND VEINS;
CLAY MINERALS
BLUE-GREEN CLAY IN AMYGDULES;
ZEOLITE
IN VEINS;
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 409.50
Core: 16 Top of Core Depth (m) : 408.00
Sect: 1 Top of Section Depth(m): 408.00
LITHOLOGY: OL-PLAG MOD PHYRIC BASALT;
Piece No. : PCES 1 (0-5), 2 (6-11), 3 (12-16), 4 (18-20),
5 (23-26), 6 (27-34), 7 (36-41), 8 (43-47),
9 (50-58), 10 (60-65), 11 (67-77), 12 (79-85),
13A+B (86-94), 14 (6-101), 15 (104-115),
16 (116-120), 17 (122-127), 18 (130-135),
19 (137-148);
Structure : PROBABLE PILLOWED SEQUENCE, SILICA AND CARB VEINS
COMMON THROUGHOUT CORE;
Texture : MOD PHYRIC, FLOW UNITS MARKED BY GLASSY RINDS, MN
INCRUSTATIONS COMMON, CRYSTALLINE AND FINE-GRAINED
GNDMASS, NO REAL CHANGE IN LITHOLOGY BETWEEN FLOW
UNITS, VERY IRREGULAR DISTRIBUTION OF PHENOS,
Alteration : SLIGHTLY;
Comments : 4 FLOW UNITS, INTERVALS (0-35), (35-95), (95-130),
(130-150);
Vesicles : Size(mm): <1 Percent: 1-5
UBIQUITOUS;
Phenocrysts: OLIVINE ( 1-5%)
Size(mm): TO 3
PLAGIOCLASE ( 1-5%)
Size(mm): TO 2
OL>=PLAG IN ABUNDANCE, VERY IRREGULAR DISTRIBUTION
OF PHENOS;
Groundmass : CRYSTALLINE AND FINE-GRAINED GNDMASS;
Replacement: SILICA
IN VEINS;
CARBONATE
IN VEINS;
Leg : 37 Top/Bottom Interval(mm): 0/ 870 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 410.37
Core: 16 Top of Core Depth (m) : 408.00
Sect: 2 Top of Section Depth(m): 409.50
LITHOLOGY: OL-PLAG MOD PHYRIC BASALT;
Piece No. : PCES 1 (2-7), 2 (10-16), 3 (17-21), 4 (22-34),
5 (35-42), 6 (45-50), 7 (52-58), 8A+B (60-69),
9 (70-77), 10 (79-85);
Structure : CARB AND NATROLITE(?) VEINS, PROBABLE PILLOW
SEQUENCE;
Texture : MOD PHYRIC, FINE-GRAINED GNDMASS, GLASSY RINDS NOTED
IN PCES 1+6+9, GLASSY BRECCIA IN PCE 10;
Comments : THIS SECTION FLOW UNIT 1, MN COATING IN PCE 2;
Vesicles : Size(mm): <1 Percent: 1-5
UBIQUITOUS;
Phenocrysts: OLIVINE ( 1-5%)
Size(mm): TO 5
PLAGIOCLASE ( 1-3%)
Size(mm): TO 2
OL>PLAG IN ABUNDANCE;
Groundmass : FINE-GRAINED;
Replacement: CARBONATE
IN VEINS;
NATROLITE
NATROL(?) IN VEINS;
Leg : 37 Top/Bottom Interval(mm): 0/1500 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 419.00
Core: 17 Top of Core Depth (m) : 417.50
Sect: 1 Top of Section Depth(m): 417.50
LITHOLOGY: OL-PLAG SPARSELY TO MOD PHYRIC BASALT AND BRECCIA;
THIS BASALT SIMILAR TO THAT OF CORE 16;
Piece No. : PCES 1 (1-10), 2 (11-16), 3 (19-27), 4 (30-34),
5 (35-42), 6 (44-50), 7 (51-58), 8 (60-64),
9 (66-72), 10 (74-77), 11 (80-85), 12 (88-94),
13 (95-110), 14 (112-120), 15 (122-132),
16 (134-140), 17 (142-148);
Structure : SOME CARB VEINING IN PCE 7;
Texture : SPARSELY TO MOD PHYRIC BASALT AND BRECCIA, BASALT
IS MIXED WITH CARB (LITHIFIED SEDIMENT?) CONTAINING
FRAGMENTS OF PALAG SOMETIMES CORED WITH FRESH GLASS,
BASALT IN PCES 2+5+6+8-12+15-17, GLASSY RIND IN PCE
13;
Alteration : SLIGHTLY
IN BASALT;
Comments : THIS SECTION FLOW UNIT 1;
Phenocrysts: OLIVINE
Size(mm): TO 3
PLAGIOCLASE
Size(mm): TO 2
OL>PLAG IN ABUNDANCE;
Comments : SOME MN AND CARB INCRUSTATIONS, MN INCRUSTATION
NOTED IN PCE 7;
Leg : 37 Top/Bottom Interval(mm): 0/ 900 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 419.90
Core: 17 Top of Core Depth (m) : 417.50
Sect: 2 Top of Section Depth(m): 419.00
LITHOLOGY: OL-PLAG MOD PHYRIC BASALT AND PALAG BRECCIA;
THIS BASALT SIMILAR TO THAT OF CORE 16;
Piece No. : PCES 1 (2-8), 2 (10-17), 3 (19-24), 4 (26-32),
5 (35-42), 6 (44-51), 7 (53-58), 8 (60-71),
9 (73-80), 10 (82-89);
Structure : CALCITE VEINS AND AMYGDULES, CALCITE VEINS NOTED IN
IN PCE 8;
Texture : MOD PHYRIC, MIXED PALAG BRECCIA WITH BASALT
FRAGMENTS GRADING INTO MOD PHYRIC BASALT WITH
GLASSY RINDS;
Alteration : SLIGHTLY
Comments : THIS SECTION FLOW UNIT 1;
Vesicles : Size(mm): <1 Percent:
UBIQUITOUS;
Phenocrysts: OLIVINE
Size(mm): TO 5
PLAGIOCLASE
Size(mm): TO 2
OL>PLAG IN ABUNDANCE, PCE 8 IS OL POOR, PCES 9+10
ARE OL RICH;
Replacement: CALCITE
IN VEINS AND VESICLES;
Leg : 37 Top/Bottom Interval(mm): 0/1050 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 428.05
Core: 18 Top of Core Depth (m) : 427.00
Sect: 1 Top of Section Depth(m): 427.00
LITHOLOGY: OL-PLAG MOD PHYRIC BASALT;
Piece No. : PCES 1 (3-6), 2 (10-15), 3 (18-24), 4 (26-32),
5 (35-49), 6 (52-56), 7 (60-65), 8 (68-75),
9 (78-87), 10 (91-95), 11 (98-103);
Structure : ABUNDANT IRREGULAR CALCAREOUS VEINS-THIN, 1MM;
Texture : MOD PHYRIC, ABUNDANCE OF OL PHENOS VARY THROUGHOUT
CORE-APHYRIC TO 8%, NOTE CYCLE (0-50CM), (50-90CM),
(90-105CM) OF SPARSE TO ABUNDANT OL, NO GLASSY
RINDS, FINE-GRAINED AND CRYSTALLINE GNDMASS;
Comments : THIS SECTION-UNIT 1, FEELING IS THAT THIS IS ONE
PETROGRAPHIC UNIT WITH AT LEAST 3 COOLING UNITS,
DEFINABLE BY OL SETTLING, NOTE CYCLE (0-50CM),
(50-90CM), (90-105CM) OF SPARSE TO ABUNDANT OL, LAST
CYCLE IS ONLY TOP, IF IDEAS ARE RIGHT;
Vesicles : Size(mm): <0.5 Percent:
ABUNDANT VESICLES;
Phenocrysts: OLIVINE ( TO 8%)
Size(mm): 2-3
ABUNDANCE VARIES THROUGHOUT CORE-2% IN PCE 1, 5%
IN PCE 2, 8% IN PCE 4, 6% IN PCE 5, SCARCE IN PCE
6, 2% IN PCE 7, 3% AND 4MM IN PCE 8, 8% AND 4MM IN
PCE 9, PCE 10 IS APHYRIC, 1% OL MICROPHENOS IN
PCE 12, RARE BLACK GLASSY GRAINS AT BOTTOM
(PYX?, SPINEL?);
PLAGIOCLASE ( RARE%)
Size(mm): 5
VERY SCARCE PLAG, 2 PLAG PHENOS IN PCE 6;
Groundmass : CRYSTALLINE AND FINE-GRAINED GNDMASS, PCE 7 IS
VERY FINE-GRAINED, GNDMASS IS BROWNER TOWARDS
BOTTOM;
Replacement: CARBONATE
CALCAREOUS VEINS;
Leg : 37 Top/Bottom Interval(mm): 10/1340 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 437.84
Core: 19 Top of Core Depth (m) : 436.50
Sect: 1 Top of Section Depth(m): 436.51
LITHOLOGY: OL-PLAG-CPX PHYRIC BASALT;
Piece No. : PCE 1 (1-9), 2 (10-17), 3 (20-30), 4 (31-39),
5 (40-49), 6 (50-59), 7 (61-66), 8A (68-74),
8B (75-77), 8C (74-77), 8D (78-83), 8E (83-86),
9A (89-101), 9B (102-110), 10 (112-121),
11 (122-129), 12 (129-134);
Texture : PHYRIC;
Structure : CALCAREOUS, VERY FINE VEINS;
Alteration : SLIGHTLY;
Vesicles : VERY SMALL, SPARSE OR ABSENT;
Phenocrysts: OLIVINE
Size(mm): <5
PLAGIOCLASE
Size(mm): <3
CLINOPYROXENE
Size(mm): <2
Replacement: CALCITE
FILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 470/1300 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 447.30
Core: 20 Top of Core Depth (m) : 446.00
Sect: 1 Top of Section Depth(m): 446.47
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCE 1A (47-55), 1B (55-65), 2 (67-74), 3A (75-89),
3B (91-95), 3C (92-95), 4 (97-104), 5A (107-112),
5B (113-122), 6 (125-130);
Texture : PHYRIC, FINE-GRAINED;
Structure : CARBONATE VEINS, ARAGONITE AMYGDULES;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <1 Percent:
UBIQUITOUS;
Groundmass : CRYSTALLINE;
Phenocrysts: PLAGIOCLASE ( <5%)
Size(mm): <1
OLIVINE ( 1-10%)
Size(mm): <4
POSSIBLE AUGITE AND SPINEL;
Replacement: CARBONATE
FILLS VEINS;
ARAGONITE
FILLS AMYGDULES, ALSO FOUND ON END SURFACE OF PCE
5A;
Leg : 37 Top/Bottom Interval(mm): 20/1470 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 448.97
Core: 20 Top of Core Depth (m) : 446.00
Sect: 2 Top of Section Depth(m): 447.52
LITHOLOGY: OL-PLAG PHYRIC BASALT;
Piece No. : PCE 1 (2-7), 2 (9-17), 3 (20-27), 4 (30-36),
5 (39-44), 6 (46-51), 7 (52-58), 8 (60-65),
9 (67-72), 10 (74-82), 11 (85-93), 12 (95-101),
13 (102-108), 14 (111-118), 15A (121-130),
15B (129-139), 15C (140-147);
Texture : FINE TO MEDIUM GRAINED, PHYRIC;
Structure : ARAGONITE FILLED VEINS, ARAGONITE FILLED AMYGDULES;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <1 Percent:
Location: Filling: ARAGONITE
UBIQUITOUS;
Groundmass : INTERGRANULAR;
Phenocrysts: OLIVINE ( 5-10%)
Size(mm): <3
PLAGIOCLASE ( 1-5%)
Size(mm): <1
POSSIBLE AUGITE AND SPINEL;
Replacement: ARAGONITE
FILLS VESICLES + AMYGDULES + VEINS;
Leg : 37 Top/Bottom Interval(mm): 20/1300 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 456.80
Core: 21 Top of Core Depth (m) : 455.50
Sect: 1 Top of Section Depth(m): 455.52
LITHOLOGY: PLAG-OL SPARSELY TO HIGHLY PHYRIC BASALT;
BRECCIA BASALT;
Piece No. : PCE 1A-1B (2-33), 2A-2B (35-46), 3 (53-60);
4 (62-67), 5 (70-76), 6 (77-83), 7A (87-96),
7B (97-102), 8A-8B (105-111), 9A (115-122),
9B (122-130);
Texture : SPARSELY TO HIGHLY PHYRIC, NUMEROUS GLASSY RINDS IN
PCES 4-9B, BRECCIA BASALT IN PCES 2+3-FRESH AND
PALAGONITIZED BASALT IN A CARBONATE MATRIX;
Structure : CARBONATE AMYGDULES, CARBONATE VEINS;
Alteration : SLIGHTLY;
Vesicles : UBIQUITOUS;
Phenocrysts: OLIVINE ( 5-15%)
Size(mm): <4
PLAGIOCLASE ( 1-5%)
Size(mm): <2
Replacement: CARBONATE
FILLS AMYGDULES AND VEINS;
Leg : 37 Top/Bottom Interval(mm): 20/1440 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 466.44
Core: 22 Top of Core Depth (m) : 465.00
Sect: 1 Top of Section Depth(m): 465.02
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCE 1A-1B (2-21), 2 (23-28), 3 (30-35), 4 (36-42),
5 (45-50), 6 (51-62), 7 (64-72), 8A-8C (76-94),
9 (96-109), 10A-10B (111-125), 11 (128-136),
12 (139-144);
Texture : PHYRIC, GLOMEROPHYRIC INTERGROWN IN RADIAL CLOTS,
SOME AREAS OF BASALT BRECCIA, FINE TO MED GRAINED;
Structure : SILICA AMYGDULES, CARBONATE + SILICA VEINS;
Alteration : SLIGHTLY;
Phenocrysts: PLAGIOCLASE ( 15%)
Size(mm): <1
OLIVINE ( 5%)
Size(mm): <1
MOSTLY INTERGROWN WITH PLAG;
CLINOPYROXENE
Size(mm): <1
RARE AUGITE INTERGROWN WITH PLAG AND OL;
Groundmass : CRYSTALLINE;
Replacement: SILICA
FILLS VEINS AND AMYGDULES;
CARBONATE
FILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 20/1460 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 467.96
Core: 22 Top of Core Depth (m) : 465.00
Sect: 2 Top of Section Depth(m): 466.52
LITHOLOGY: PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 1 (2-12), 2 (15-19), 3 (21-26), 4 (27-31),
5A-5B (32-51), 6 (52-56), 7 (58-64), 8A-8B (66-81),
9 (82-87), 10 (90-95), 11 (97-101), 12 (104-112),
13A-13C (114-121), 14 (127-135), 15 (136-146);
Texture : MODERATELY GLOMEROPHYRIC, FINE-GRAINED, SOME GRAY
GLASSY ZONES;
Structure : CARBONATE VEINS, CARBONATE AND SILICA AMYGDULES;
Alteration : MOD;
Vesicles : Size(mm): <2 Percent:
UBIQUITOUS;
Phenocrysts: PLAGIOCLASE ( 5%)
CLOTS UP TO 5 MM, INDIVIDUAL PHENOS <1;
OLIVINE ( 5%)
Size(mm): <1-2
CLOTS;
CLINOPYROXENE
Size(mm): <1
AUGITE;
Replacement: CARBONATE
FILLS VEINS AND AMYGDULES;
SILICA
FILLS AMYGDULES;
Leg : 37 Top/Bottom Interval(mm): 20/1470 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 469.47
Core: 22 Top of Core Depth (m) : 465.00
Sect: 3 Top of Section Depth(m): 468.02
LITHOLOGY: PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 1 (2-10), 2 (12-16), 3 (19-26), 4 (27-32),
5 (34-43), 6 (45-53), 7 (54-62), 8A-8D (65-70),
9 (72-76), 10 (78-84), 11A-11D (93-102),
12 (116-121), 13 (123-130), 14 (132-137),
15 (139-147);
Texture : GLOMEROPHYRIC, FINE-GRAINED, NUMEROUS GLASSY RINDS;
Structure : CARBONATE VEINS, CARBONATE AMYGDULES;
Alteration : SLIGHTLY TO MODERATELY;
Vesicles : UBIQUITOUS;
Phenocrysts: PLAGIOCLASE
CLOTS UP TO 3 MM, INDIVIDUAL PHENOS <1;
OLIVINE
Size(mm): <1
CLOTS;
CLINOPYROXENE
Size(mm): <1
AUGITE;
Replacement: CARBONATE
FILLS AMYGDULES AND VEINS;
Leg : 37 Top/Bottom Interval(mm): 20/1480 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 470.98
Core: 22 Top of Core Depth (m) : 465.00
Sect: 4 Top of Section Depth(m): 469.52
LITHOLOGY: PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 1 (2-13), 2 (15-25), 3 (27-34), 4 (36-42),
5A-5E (44-82), 6 (84-88), 7A-7B (90-107),
8 (110-115), 9 (124-127), 10 (127-130),
11 (132-139), 12 (141-148);
Texture : GLOMEROPHYRIC, FINE-GRAINED;
Structure : CARBONATE VEINS;
Alteration : SLIGHTLY;
Vesicles : Size(mm): <1 Percent:
Location: Filling: CARBONATE
UBIQUITOUS;
Phenocrysts: PLAGIOCLASE
CLOTS UP TO 3 MM, INDIVIDUAL PHENOS <1;
OLIVINE
Size(mm): <1
CLOTS;
CLINOPYROXENE
Size(mm): <1
AUGITE, CLOTS;
Replacement: CARBONATE
FILLS VEINS AND VESICLES;
Leg : 37 Top/Bottom Interval(mm): 30/1270 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 475.77
Core: 23 Top of Core Depth (m) : 474.50
Sect: 1 Top of Section Depth(m): 474.53
LITHOLOGY: PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 1 (4-6), 2A (11-20), 2B (11-20), 2C (20-28),
2D (23-34), 2E (28-32), 2F (30-34), 2G (37-38),
3 (42-47), 4 (50-58), 5 (63-69), 6A (72-81),
6B (81-90), 7A (93-100), 7B (100-110), 7C (109-116),
7D (117-123), 7E (123-127);
Texture : GLOMEROPHYRIC, FINE-GRAINED, MANY GLASSY ZONES;
Structure : ABUNDANT WHITE AND YELLOW <2 MM VEINS;
Alteration : SLIGHTLY;
Comments : COLOR N3;
Vesicles : Size(mm): <1 Percent:
DISSEMINATED;
Phenocrysts: PLAGIOCLASE
Size(mm): 1-4
OLIVINE
Size(mm): 1-4
CLINOPYROXENE
Size(mm): 1-4
AUGITE;
Groundmass : CRYSTALLINE TO GLASSY;
Leg : 37 Top/Bottom Interval(mm): 20/1430 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 477.43
Core: 23 Top of Core Depth (m) : 474.50
Sect: 2 Top of Section Depth(m): 476.02
LITHOLOGY: PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 1 (2-15), 2 (19-26), 3 (30-36), 4 (40-46),
5 (50-55), 6 (58-62), 7 (65-68), 8 (72-77),
9 (80-90), 10 (92-100), 11 (103-106), 12 (111-115),
13 (120-122), 14 (126-131), 15 (135-143);
Texture : GLOMEROPHYRIC;
Structure : ABUNDANT YELLOW TO WHITE FILLED VEINS;
Alteration : SLIGHTLY;
Comments : COLOR N3;
Vesicles : Size(mm): <1 Percent:
MOSTLY SCATTERED;
Phenocrysts: PLAGIOCLASE
Size(mm): <1
OLIVINE
Size(mm): <1
CLINOPYROXENE
Size(mm): <1
AUGITE;
ALL GLOMEROPHYRIC CLOTS UP TO 4 MM;
Groundmass : GLASSY TO CRYSTALLINE;
Leg : 37 Top/Bottom Interval(mm): 40/1470 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 478.97
Core: 23 Top of Core Depth (m) : 474.50
Sect: 3 Top of Section Depth(m): 477.54
LITHOLOGY: OL-PLAG-CPX PHYRIC BASALT;
Piece No. : PCE 1 (4-12), 2 (15-17), 3 (21-29), 4A (31-39),
4B (38-45), 5 (47-50), 6 (54-61), 7 (65-70),
8 (73-76), 9 (80-86), 10 (89-94), 11 (96-101),
12 (105-110), 13 (114-116), 14 (119-123),
15 (125-131), 16 (135-136), 17 (140-146);
Texture : GLOMEROPHYRIC, SOME GLASSY RINDS, SOME BRECCIA;
Structure : ABUNDANT WHITE AND YELLOW VEINS;
Alteration : SLIGHTLY;
Comments : COLOR N3 AND 10YR 3/1;
Vesicles : Size(mm): <1 Percent:
THIN WHITE AND BLUE LININGS;
Phenocrysts: PLAGIOCLASE
Size(mm): 1
OLIVINE
Size(mm): 1
CLINOPYROXENE
Size(mm): 1
AUGITE;
ALL GLOMEROPHYRIC CLOTS UP TO 4 MM;
Groundmass : GLASSY TO CRYSTALLINE;
Leg : 37 Top/Bottom Interval(mm): 30/1420 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 485.42
Core: 24 Top of Core Depth (m) : 484.00
Sect: 1 Top of Section Depth(m): 484.03
LITHOLOGY: PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 1 (3-11), 2 (13-20), 3 (24-28), 4 (32-36),
5A (39-45), 5B (39-43), 6 (49-55), 7A (59-65),
7B (62-65), 8 (68-74), 9 (77-80), 10 (85-89),
11 (92-102), 12 (105-110), 13 (113-118),
14 (122-131), 15 (135-142);
Texture : GLOMEROPHYRIC, TOP OF PCE 1 HAS A GLASSY RIND;
Structure : ABUNDANT VEINS <1 MM MOSTLY WHITE;
Alteration : FRESH;
Comments : COLOR N3;
Vesicles : Size(mm): <1 Percent:
Phenocrysts: PLAGIOCLASE
Size(mm): 1
CLOTS TO 3 MM;
OLIVINE
Size(mm): 1
CLOTS TO 3 MM;
CLINOPYROXENE
Size(mm): 1
AUGITE, CLOTS TO 3 MM;
Groundmass : GLASSY TO CRYSTALLINE;
Leg : 37 Top/Bottom Interval(mm): 50/ 910 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 486.41
Core: 24 Top of Core Depth (m) : 484.00
Sect: 2 Top of Section Depth(m): 485.55
LITHOLOGY: PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 1 (5-9), 2 (13-16), 3 (20-25), 4 (29-33),
5 (37-40), 6 (43-45), 7 (49-58), 8 (62-71),
9 (75-79), 10 (82-91);
Texture : GLOMEROPHYRIC, SOME GLASSY RINDS;
Structure : ABUNDANT WHITE VEINS <1 MM THICK;
Alteration : FRESH TO SLIGHTLY;
Comments : COLOR 10YR 3/1 (N3);
Vesicles : Size(mm): <1 Percent:
DISSEMINATED;
Phenocrysts: PLAGIOCLASE
Size(mm): 1
CLOTS TO 3 MM;
OLIVINE
Size(mm): 1
CLOTS TO 3 MM;
CLINOPYROXENE
Size(mm): 1
AUGITE, CLOTS TO 3 MM;
Groundmass : GLASSY TO CRYSTALLINE;
Leg : 37 Top/Bottom Interval(mm): 50/1450 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 494.95
Core: 25 Top of Core Depth (m) : 493.50
Sect: 1 Top of Section Depth(m): 493.55
LITHOLOGY: PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 1 (5-9), 2 (12-15), 3 (18-24), 4 (27-31),
5 (34-38), 6 (42-44), 7 (46-50), 8 (54-56),
9 (60-65), 10 (69-74), 11 (77-80), 12 (84-86),
13 (84-86), 14 (90-94), 15 (97-102), 16 (105-112),
17 (115-120), 18 (124-125), 19 (127-132),
20 (135-139), 21 (142-145);
Texture : GLOMEROPHYRIC, GLASSY RIND IN PCE 8;
Structure : FEW THIN WHITE VEINS;
Alteration : FRESH;
Phenocrysts: PLAGIOCLASE
Size(mm): <1
CLOTS TO 3 MM;
OLIVINE
Size(mm): <1
CLOTS TO 3 MM;
CLINOPYROXENE
Size(mm): <1
AUGITE, CLOTS TO 3 MM;
Groundmass : GLASSY TO CRYSTALLINE;
Leg : 37 Top/Bottom Interval(mm): 40/1400 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 496.40
Core: 25 Top of Core Depth (m) : 493.50
Sect: 2 Top of Section Depth(m): 495.04
LITHOLOGY: APHYRIC TO PLAG-OL-PHYRIC BASALT;
Piece No. : PCE 1 (4-10), 2 (14-20), 3 (23-27), 4 (30-36),
5 (39-43), 6 (46-49), 7 (52-55), 8 (57-62),
9 (65-70), 10 (73-81), 11 (84-86), 12 (84-86),
13 (90-100), 14 (102-106), 15A (109-116),
15B (116-123), 15C (123-130), 16A (133-136),
16B (133-136), 17 (137-140);
Texture : GLOMEROPHYRIC IN PCES 1-9, APHYRIC IN PCES 10-17,
GLASSY RINDS IN GLOMEROPHYRIC SECTION, FINE GRAINED
IN PCES 10-17;
Alteration : SLIGHTLY TO MOD;
Comments : COLOR IN PCES 10-17 5Y 3/1 (N/3);
Phenocrysts: PLAGIOCLASE
Size(mm): 1
CLOTS TO 3 MM;
OLIVINE
Size(mm): 1
CLOTS TO 3 MM;
Groundmass : GLASSY TO CRYSTALLINE;
Leg : 37 Top/Bottom Interval(mm): 40/ 800 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 498.80
Core: 25 Top of Core Depth (m) : 493.50
Sect: 4 Top of Section Depth(m): 498.04
LITHOLOGY: APHYRIC TO OL PHYRIC BASALT;
Piece No. : PCE 1 (4-11), 2 (13-25), 3A-3B (25-28), 4 (30-35),
5 (37-41), 6 (44-55), 7 (57-66), 8 (69-80);
6 (44-55), 7 (57-66), 8 (69-80);
Texture : APHYRIC TO MICROPHYRIC, FINE TO MEDIUM GRAINED;
Structure : CARBONATE VEINS, CARBONATE AMYGDULES;
Alteration : SLIGHTLY TO MODERATELY;
Vesicles : ROCKS IN THIS SECTION THAT CONTAIN OL PHENOS HAVE
LITTLE OR NO VESICLES, THOSE ROCKS THAT ARE
DEPLETED IN OL PHENOS CONTAIN ABUNDANT VESICLES;
Phenocrysts: OLIVINE ( <10%)
Size(mm): <1
MICROPHENOS, IRREGULAR DISTRIBUTION;
Replacement: CARBONATE
FILLS AMYGDULES AND VEINS;
Leg : 37 Top/Bottom Interval(mm): 30/1350 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 497.85
Core: 25 Top of Core Depth (m) : 493.50
Sect: 3 Top of Section Depth(m): 496.53
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (3-7), 2 (9-17), 3 (20-25), 4 (27-30),
5 (32-37), 6 (40-45), 7 (47-50), 8 (52-58),
9 (61-67), 10 (70-75), 11 (77-86), 12 (89-93),
13 (96-98), 14 (98-101), 15 (104-109),
16 (111-115), 17 (116-126), 18 (128-135);
Texture : APHYRIC, FINE TO MEDIUM GRAINED;
Alteration : SLIGHTLY TO MODERATELY;
Structure : VEINLETS FILLED WITH CARBONATE;
Vesicles : Size(mm): <2 Percent:
Location: Filling: CARBONATE
UBIQUITOUS, VUGS ALSO FILLED, CARBONATE IS
POSSIBLY ARAGONITE;
Phenocrysts: OLIVINE ( <10%)
Size(mm): <1
MICROPHENOS, IRREGULAR DISTRIBUTION;
Replacement: CARBONATE
FILLS AMYGDULES AND VEINS;
Groundmass : WELL CRYSTALLIZED;
Leg : 37 Top/Bottom Interval(mm): 340/1200 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 504.20
Core: 26 Top of Core Depth (m) : 503.00
Sect: 1 Top of Section Depth(m): 503.34
LITHOLOGY: PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (34-39), 2 (43-49), 3 (52-56), 4 (59-64),
5 (66-70), 6 (72-76), 7 (79-82), 8 (85-90),
9 (93-100), 10 (103-109), 11 (111-120);
Texture : SPARSELY PHYRIC, FINE TO MEDIUM GRAINED, VARIOLITIC;
Structure : VEINS FILLED WITH LITHIFIED SEDIMENTS, CARBONATE
AMYGDULES;
Alteration : SLIGHTLY TO MODERATELY;
Comments : SOME ZONES ARE VERY POROUS;
Vesicles : QUITE VESICULAR;
Phenocrysts: PLAGIOCLASE ( <5%)
Size(mm): <3
Replacement: CARBONATE
FILLS AMYGDULES;
Leg : 37 Top/Bottom Interval(mm): 30/1420 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 513.92
Core: 27 Top of Core Depth (m) : 512.50
Sect: 1 Top of Section Depth(m): 512.53
LITHOLOGY: PLAG-OL SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (3-8), 2 (11-15), 3 (17-21), 4 (24-31),
5 (34-37), 6 (40-46), 7 (49-54), 8 (56-62),
9 (64-72), 10 (75-81), 11 (83-90), 12 (91-98),
13 (101-107), 14 (110-116), 15 (119-124),
16 (126-135), 17 (137-142);
Texture : SPARSELY PHYRIC, FINE TO MEDIUM GRAINED;
Structure : CARBONATE AMYGDULES;
Alteration : SLIGHTLY TO MODERATELY;
Comments : BASALT IS GRAY COLOR;
Vesicles : Size(mm): <2 Percent:
UBIQUITOUS, IN SOME PIECES VESICLES ARE UP TO 5
MM, PCES 11-17 CONTAIN MANY VESICLES;
Phenocrysts: PLAGIOCLASE ( <5%)
Size(mm): <1.5
OLIVINE
Size(mm): <1
OL PHENOS ARE RARE;
Groundmass : WELL CRYSTALLIZED;
Replacement: CARBONATE
FILLS AMYGDULES;
Leg : 37 Top/Bottom Interval(mm): 20/1220 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 515.22
Core: 27 Top of Core Depth (m) : 512.50
Sect: 2 Top of Section Depth(m): 514.02
LITHOLOGY: PLAG-OL-CPX MOD PHYRIC BASALT:
Piece No. : PCE 1 (2-15), 2 (18-24), 3 (26-32), 4 (35-39),
5 (42-49), 6 (52-61), 7 (63-102), 8 (105-115),
9 (117-122);
Texture : MOD PHYRIC, FINE TO MEDIUM GRAINED;
Alteration : SLIGHTLY TO MODERATELY;
Vesicles : SOME PIECES SATURATED WITH VESICLES AND VUGS IN
THE UPPER PART OF THE CORE;
Phenocrysts: PLAGIOCLASE ( <5%)
Size(mm): <2
OLIVINE ( 1%)
Size(mm): <1
CLINOPYROXENE ( <1%)
Size(mm): <1
AUGITE;
Groundmass : WELL CRYSTALLIZED;
Replacement: PCE 7 HAS PROPERTIES OF WEAK CHLORITIZATION;
Leg : 37 Top/Bottom Interval(mm): 20/1450 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 523.45
Core: 28 Top of Core Depth (m) : 522.00
Sect: 1 Top of Section Depth(m): 522.02
LITHOLOGY: PLAG-OL-CPX MOD PHYRIC BASALT;
Piece No. : PCE 1 (2-11), 2 (14-20), 3 (22-27), 4 (29-33),
5 (36-39), 6 (41-48), 7 (51-55), 8 (57-61),
9 (64-72), 10 (74-78), 11 (80-87), 12 (90-96),
13 (99-103), 14 (105-110), 15 (113-117),
16 (120-124), 17 (125-130), 18 (132-137),
19 (140-145);
Texture : MODERATELY PHYRIC;
Structure : VEINS ENCRUSTED WITH CHLORITE AND POSSIBLE EPIDOTE,
CARBONATE FILLED AMYGDULES;
Alteration : SLIGHTLY TO MODERATELY;
Comments : PCE 1 IS REPRESENTED BY A FRAGMENT OF POROUS LAVA
OXIDIZED INTENSIVELY;
Vesicles : Size(mm): <1-5 Percent:
UBIQUITOUS, VUGS ENCRUSTED WITH CHLORITE AND
POSSIBLE EPIDOTE;
Phenocrysts: PLAGIOCLASE ( 1-5%)
Size(mm): <5
OLIVINE ( 1%)
Size(mm): <1
CLINOPYROXENE ( <1%)
AUGITE;
Replacement: CARBONATE
FILLS AMYGDULES;
CHLORITE
ENCRUSTS VEINS AND VUGS;
EPIDOTE
POSSIBLY ENCRUSTS VEINS AND VUGS;
Leg : 37 Top/Bottom Interval(mm): 20/ 340 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 523.84
Core: 28 Top of Core Depth (m) : 522.00
Sect: 2 Top of Section Depth(m): 523.52
LITHOLOGY: PLAG-OL-CPX MOD PHYRIC BASALT;
Piece No. : PCE 1 (2-11), 2A-2C (14-34);
Texture : MODERATELY PHYRIC;
Structure : VEINLETS FILLED BY CHLORITE-CARBONATE MATERIAL,
CARBONATE AMYGDULES;
Alteration : SLIGHTLY TO MODERATELY;
Vesicles : Size(mm): <2-5 Percent:
UBIQUITOUS, VUGS FILLED WITH A CHLORITE-CARBONATE
MATERIAL;
Phenocrysts: PLAGIOCLASE ( 0-5%)
OLIVINE ( 1%)
CLINOPYROXENE ( <1%)
AUGITE;
Replacement: CARBONATE
FILLS AMYGDULES, VEINLETS AND VUGS;
CHLORITE
FILLS VEINLETS AND VUGS;
Leg : 37 Top/Bottom Interval(mm): 20/1470 Analyst: Robinson, P.T.
Hole: 332B Sample Midpoint (m) : 532.97
Core: 29 Top of Core Depth (m) : 531.50
Sect: 1 Top of Section Depth(m): 531.52
LITHOLOGY: APHYRIC TO OL PHYRIC BASALT;
Piece No. : PCE 1 (2-9), 2 (11-16), 3 (19-27), 4 (30-40),
5A (44-56), 5B (58-80), 5C (80-100), 5D (92-106),
5E (106-117), 5F (117-129), 6 (133-136),
7 (139-147);
Texture : APHYRIC GRADING DOWN SECTION TO PHYRIC, MEDIUM
GRAINED;
Structure : VEINS FROM .2-2 MM ACROSS FILLED WITH WHITE CALCITE
+ YELLOW-GREEN SMECTITE + BRIGHT GREEN CELADONITE,
ABUNDANT 5 MM AMYGDULES FILLED WITH CALCITE +
SMECTITE + BRIGHT GREEN POSSIBLE CELADONITE;
Alteration : SLIGHTLY TO MODERATELY;
Comments : BASALT IS LIGHT GREENISH-GRAY COLOR;
Vesicles : Size(mm): Percent: 5
ABUNDANT, OFTEN FILLED WITH CALCITE + SMECTITE +
BRIGHT GREEN POSSIBLE CELADONITE;
Phenocrysts: OLIVINE
Size(mm): 3-5
ONLY FOUND IN LOWER 2/3 OF SECTION INCREASING IN
SIZE TOWARD BASE;
CLINOPYROXENE
Size(mm): 1-2
POSSIBLY A FEW BLACK GLASSY GRAINS IN LOWER PARTS;
Groundmass : OLIVINE
ABUNDANT ALTERED CRYSTALS;
PLAGIOCLASE
LATHS;
PYROXENE
SUBOPHITIC;
Replacement: CALCITE
FILLS VESICLES + AMYGDULES + VEINS;
SMECTITE
YELLOW-GREEN, FILLS VESICLES + VEINS + AMYGDULES;
CELADONITE
POSSIBLE BRIGHT GREEN FILLS VESICLES + AMYGDULES +
VEINS;
Leg : 37 Top/Bottom Interval(mm): 20/ 770 Analyst: Robinson, P.T.
Hole: 332B Sample Midpoint (m) : 533.77
Core: 29 Top of Core Depth (m) : 531.50
Sect: 2 Top of Section Depth(m): 533.02
LITHOLOGY: OL PHYRIC BASALT;
Piece No. : PCE 1A (2-19), 1B (20-27), 1C (20-27), 2 (30-34),
3 (37-45), 4 (49-62), 5 (65-77);
Texture : PHYRIC, MEDIUM GRAINED;
Structure : VEINLETS 0.5-1 MM, AMYGDULES .2-.5 MM FILLED WITH
CALCITE + SMECTITE + POSSIBLE CELADONITE;
Alteration : SLIGHTLY TO MODERATELY;
Comments : PCE 5 CONSISTS OF CHIPS OF APHYRIC AND PHYRIC
BASALT;
Vesicles : Size(mm): .2-.5 Percent: 5
Phenocrysts: OLIVINE
Size(mm): 2-5
PLAGIOCLASE
VERY SPARSE PLAG PHENOS;
Groundmass : CRYSTALLINE;
Replacement: CALCITE
FILLS AMYGDULES;
SMECTITE
FILLS AMYGDULES;
CELADONITE
POSSIBLY FILLS AMYGDULES;
Leg : 37 Top/Bottom Interval(mm): 10/1440 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 542.44
Core: 30 Top of Core Depth (m) : 541.00
Sect: 1 Top of Section Depth(m): 541.01
LITHOLOGY: PLAG-OL SPARSELY TO MODERATELY PHYRIC BASALT;
Piece No. : PCE 1 (1-8), 2 (10-16), 3 (17-24), 4 (25-31),
5 (33-37), 6 (39-44), 7 (45-55), 8 (57-66),
9 (67-74), 10 (75-84), 11 (85-92), 12 (93-101),
13 (103-113), 14 (115-125), 15 (125-135),
16 (135-144);
Texture : SPARSELY TO MODERATELY PHYRIC, FINE-GRAINED;
Structure : NON-CALCAREOUS VEINS PROBABLY SILICEOUS;
Alteration : SLIGHTLY TO MOD;
Vesicles : Size(mm): 2-3 Percent:
Location: Filling: ZEOLITES
ONLY PARTIALLY FILLED;
Phenocrysts: PLAGIOCLASE
Size(mm): <4
OLIVINE
Size(mm): <2
Replacement: ZEOLITE
PARTIALLY FILLS VESICLES;
EPIDOTE
POSSIBLY COATS VEINS;
Leg : 37 Top/Bottom Interval(mm): 20/ 700 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 543.20
Core: 30 Top of Core Depth (m) : 541.00
Sect: 2 Top of Section Depth(m): 542.52
LITHOLOGY: PLAG-OL SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (2-13), 2 (15-24), 3 (25-39), 4 (40-50),
5 (53-60), 6 (62-70);
Texture : SPARSELY PHYRIC;
Structure : COMMONLY FINE VEINS GREENISH IN COLOR,
NON CALCAREOUS AMYGDULES;
Alteration : SLIGHTLY;
Vesicles : OCCASIONALLY FILLED VESICLES;
Phenocrysts: PLAGIOCLASE
Size(mm): <3
OLIVINE
Size(mm): <1
Leg : 37 Top/Bottom Interval(mm): 450/1480 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 551.98
Core: 31 Top of Core Depth (m) : 550.50
Sect: 1 Top of Section Depth(m): 550.95
LITHOLOGY: PLAG-OL-CPX SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (45-53), 2 (55-59), 3 (61-67), 4 (70-77),
5 (80-85), 6 (86-94), 7 (96-102), 8 (104-111),
9 (113-120), 10 (122-130), 11 (133-135),
12 (137-140), 13 (142-148);
Texture : SPARSELY PHYRIC, FINE TO MEDIUM GRAINED;
Structure : OCCASIONAL VEIN OF DARK GREEN CHLORITE;
Alteration : SLIGHTLY TO MODERATELY;
Vesicles : VESICLES HAVE BLUE CLAY LINING WITH LIGHTER
YELLOW-GREEN BOTRYOIDAL FILLING, DARK GREEN
COATING, VESICLES ALSO FILLED WITH SILICA;
Phenocrysts: PLAGIOCLASE ( 1%)
Size(mm): <5
OLIVINE ( RARE%)
Size(mm): <1
CLINOPYROXENE
Size(mm): <1
TRACE OF AUGITE;
Replacement: CLAY
BLUE COLOR LINES VESICLES;
SILICA
FILLS VESICLES;
Leg : 37 Top/Bottom Interval(mm): 20/1480 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 561.48
Core: 32 Top of Core Depth (m) : 560.00
Sect: 1 Top of Section Depth(m): 560.02
LITHOLOGY: PLAG-OL SPARSELY TO MODERATELY PHYRIC BASALT;
Piece No. : PCE 1 (2-5), 2A-2B (7-21), 3A (24-27), 3B (27-32),
4 (34-42), 5 (44-47), 6 (49-56),
7 (58-62), 8A-8B (64-71), 9 (72-80),
10 (82-90), 11 (91-95), 12 (97-100), 13 (102-105),
14 (106-110), 15 (112-121), 16 (122-128),
17 (130-135), 18 (136-141), 19 (143-148);
Texture : SPARSELY TO MODERATELY PHYRIC BASALT, FINE-GRAINED
TO MICRODOLERITIC;
Structure : CHLORITE VEINS;
Alteration : SLIGHTLY TO MODERATELY;
Vesicles : Size(mm): <4 Percent:
IN VESICULAR ZONES OTHERWISE <1 MM, FILLED WITH
MINOR CARBONATE+ BOTRYOIDAL YELLOW-GREEN
SILICA+ BLUE CLAY AND DARK GREEN CHLORITE;
Phenocrysts: PLAGIOCLASE ( 1-5%)
Size(mm): <5
OLIVINE ( RARE%)
Size(mm): <1
Replacement: CARBONATE
MINOR, FILLS VESICLES;
SILICA
BOTRYOIDAL YELLOW-GREEN COLOR FILLS VESICLES;
CLAY
BLUE COLOR FILLS VESICLES;
CHLORITE
DARK GREEN COLOR FILLS VESICLES, ALSO FILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 10/1300 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 570.80
Core: 33 Top of Core Depth (m) : 569.50
Sect: 1 Top of Section Depth(m): 569.51
LITHOLOGY: APHYRIC TO PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (1-9), 2 (10-15), 3 (16-20), 4 (21-26),
5 (26-34), 6 (35-40), 7 (41-45), 8 (46-53),
9 (55-60), 10A (61-72), 10B (71-74), 10C (73-80),
10D (80-91), 10E (90-99), 10F (99-104),
11A (106-108), 11B (109-111), 11C (109-111),
11D (106-108), 12 (113-120), 13 (121-130),
14 (130-135);
Texture : APHYRIC TO SPARSELY PHYRIC, AMYGDALOIDAL;
Structure : CALCITE VEINS;
Alteration : MODERATELY;
Vesicles : MANY VESICLES IN UPPER PART OF SECTION FILLED
WITH CHALCEDONY+ CLAYS+ FE HYDROXIDES+ POSSIBLE
HEMATITE;
Phenocrysts: PLAGIOCLASE ( 1%)
FOUND IN PCE 14;
Replacement: CALCITE
FILLS VEINS;
HEMATITE
FILLS VESICLES;
CLAYS
FILLS VESICLES, ALSO REPLACES SOME GROUNDMASS;
FERROUS HYDROX MINS
FILLS VESICLES, ALSO REPLACES SOME GROUNDMASS;
CHLORITE
REPLACES SOME GROUNDMASS;
Leg : 37 Top/Bottom Interval(mm): 10/1450 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 572.45
Core: 33 Top of Core Depth (m) : 569.50
Sect: 2 Top of Section Depth(m): 571.01
LITHOLOGY: OL-PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (1-21), 2 (22-34), 3 (34-40), 4 (41-50),
5 (51-59), 6 (60-69), 7 (70-80), 8A (81-91),
8B (92-99), 9A-9E (100-107), 10 (108-117),
11 (119-125), 12 (125-130), 13A (131-140),
13B (141-145);
Texture : SPARSELY PHYRIC, QUITE COARSE AND GRANULAR IN
PLACES;
Structure : BROWNISH VEINS, AMYGDALOIDAL INCREASING DOWNWARD
AMYGDULES FILLED WITH CHLORITE & CARB & HEMATITE;
Alteration : MODERATELY TO EXTENSIVELY;
Phenocrysts: OLIVINE
Size(mm): 1-2
PLAGIOCLASE
Size(mm): 1-2
Replacement: CHLORITE
FILLS AMYGDULES;
CARBONATE
FILLS AMYGDULES;
HEMATITE
FILLS AMYGDULES;
Leg : 37 Top/Bottom Interval(mm): 10/ 300 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 572.80
Core: 33 Top of Core Depth (m) : 569.50
Sect: 3 Top of Section Depth(m): 572.51
LITHOLOGY: ALTERED BASALT;
Piece No. : PCE 1A-1B (1-9), 2A-2B (11-18), 3 (21-30);
Texture : SPARSELY PHYRIC, OFTEN GLASSY AND ALMOST
CRYSTALLIZED;
Structure : COMPLEX CALCITE VEINING ASSOCIATED WITH CHLORITE
VEINS, SMALL CALCAREOUS AMYGDULES;
Alteration : MODERATELY;
Replacement: CALCITE
FOUND IN VEINS;
CHLORITE
FOUND IN VEINS;
Leg : 37 Top/Bottom Interval(mm): 20/1460 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 580.46
Core: 34 Top of Core Depth (m) : 579.00
Sect: 1 Top of Section Depth(m): 579.02
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (2-8), 2 (10-20), 3A-3D (22-30), 4 (32-44),
5 (45-54), 6 (55-64), 7 (65-75), 8 (75-82),
9 (83-90), 10 (91-99), 11 (100-109), 12 (110-115),
13A (116-123), 13B (123-130), 14 (132-146);
Texture : APHYRIC, FINE GRAINED, POSSIBLY CRYSTALLIZED;
Structure : CALCITIC VERY FINE VEINS THAT ARE OFTEN OXIDIZED,
AMYGDULES IN UPPER PART OF SECTION;
Alteration : MODERATELY TO EXTENSIVELY;
Replacement: CALCITE
FOUND IN VEINS;
Leg : 37 Top/Bottom Interval(mm): 20/ 600 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 581.10
Core: 34 Top of Core Depth (m) : 579.00
Sect: 2 Top of Section Depth(m): 580.52
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1A (2-10), 1B (10-18), 2 (20-31), 3A (33-40),
3B (33-40), 4 (42-51), 5 (52-59);
Structure : MASSIVE;
Alteration : MODERATELY TO EXTENSIVELY;
Vesicles : OCCASIONAL AND MINUTE;
Replacement: CHLORITE
POSSIBLY;
Comments : PCES 2+4+5 ARE PACKETS OF FRAGMENTS;
Leg : 37 Top/Bottom Interval(mm): 20/1480 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 589.98
Core: 35 Top of Core Depth (m) : 588.50
Sect: 1 Top of Section Depth(m): 588.52
LITHOLOGY: OL-PLAG-CPX PHYRIC BASALT;
Piece No. : PCE 1 (2-12), 2 (14-22), 3A-3F (23-42), 4 (45-54),
5 (55-57), 6A-6K (60-148);
Texture : PHYRIC, MEDIUM GRAINED (TEXTURE VISIBLE ON ROUGH
SURFACES);
Structure : CALCITE VEINS, AMYGDULES FILLED WITH DARK GREEN
CHLORITE, BLUE GREEN ZEOLITE, CALCITE;
Alteration : SLIGHTLY TO MODERATELY;
Vesicles : FILLED;
Phenocrysts: OLIVINE (15-20%)
Size(mm): <4
PLAGIOCLASE ( 1-5%)
Size(mm): <1
CLINOPYROXENE ( <1%)
Size(mm): <1
Replacement: CALCITE
FILLS VEINS AND AMYGDULES;
CHLORITE
DARK GREEN, FILLS AMYGDULES;
ZEOLITE
BLUE GREEN, FILLS AMYGDULES;
Leg : 37 Top/Bottom Interval(mm): 20/1290 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 591.29
Core: 35 Top of Core Depth (m) : 588.50
Sect: 2 Top of Section Depth(m): 590.02
LITHOLOGY: OL-PLAG-CPX PHYRIC BASALT;
Piece No. : PCE 1A-1P (2-129);
Texture : PHYRIC;
Structure : CALCITE VEINS;
Alteration : SLIGHTLY TO MODERATELY;
Vesicles : FILLED WITH SMECTITE, ZEOLITE, AND POSSIBLY
CHLORITE;
Phenocrysts: OLIVINE (15-20%)
Size(mm): <4
PLAGIOCLASE ( 1-5%)
Size(mm): <1
CLINOPYROXENE ( <1%)
Size(mm): <1
AUGITE;
Replacement: SMECTITE
FILLS VESICLES;
ZEOLITE
FILLS VESICLES;
CHLORITE
POSSIBLY FILLS VESICLES;
CALCITE
FILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 20/1480 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 592.98
Core: 35 Top of Core Depth (m) : 588.50
Sect: 3 Top of Section Depth(m): 591.52
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCE 1A-1I (2-72), 2 (74-78), 3 (80-85), 4 (88-92),
5 (94-98), 6 (100-104), 7 (106-117), 8 (118-124),
9A-9B (125-131), 10 (134-137), 11 (140-148);
Texture : PHYRIC, FINE GRAINED, SOME CHILL ZONES;
Structure : AMYGDULES FILLED WITH SILICA AND CALCITE;
Alteration : MODERATELY;
Vesicles : Size(mm): <2 Percent:
MANY OPEN;
Phenocrysts: PLAGIOCLASE ( 10%)
Size(mm): <4
OLIVINE ( <1%)
Size(mm): <1
Replacement: SILICA
FILLS AMYGDULES;
CALCITE
FILLS AMYGDULES;
Leg : 37 Top/Bottom Interval(mm): 20/ 630 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 593.63
Core: 35 Top of Core Depth (m) : 588.50
Sect: 4 Top of Section Depth(m): 593.02
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCE 1 (2-8), 2 (10-15), 3 (16-21), 4A-4D (23-53),
5 (55-63);
Texture : PHYRIC, FINE GRAINED, SOME RARE GLASS;
Structure : VEINS FILLED WITH CARBONATE AND SILICA, AMYGDULES
FILLED WITH CARBONATE AND SMECTITE;
Alteration : MODERATELY;
Vesicles : Size(mm): <1 Percent:
SOME ARE OPEN, SOME LINED WITH A DARK GREEN GLASSY
MATERIAL POSSIBLY SMECTITE OR CHLOROPHAEITE;
Phenocrysts: PLAGIOCLASE (20-25%)
Size(mm): <5
COMMONLY LESS THAN 2 MM;
OLIVINE ( RARE%)
Size(mm): <1
CLINOPYROXENE ( <1%)
Size(mm): <1
BLACK AUGITE;
Replacement: CARBONATE
FILLS AMYGDULES AND VEINS;
SMECTITE
FILLS AMYGDULES AND POSSIBLY VESICLES;
SILICA
FILLS VEINS;
CHLOROPHAEITE
POSSIBLY FILLS VESICLES;
Leg : 37 Top/Bottom Interval(mm): 30/1270 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 599.27
Core: 36 Top of Core Depth (m) : 598.00
Sect: 1 Top of Section Depth(m): 598.03
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCE 1 (3-11), 2 (13-18), 3 (20-29), 4A-4C (31-47),
5A (49-58), 5B (59-64), 5C (64-72), 5D (72-79),
5E (80-89), 5F (89-90), 5G (91-97), 6A (100-105),
6B (105-111), 6C (111-120), 6D (120-125),
6E (125-127);
Texture : PHYRIC, FINE GRAINED, RARE GLASSY ZONES;
Structure : VEINS FILLED BY SILICA AND CARBONATE, AMYGDULES
FILLED WITH SMECTITE + CARBONATE + SILICA + POSSIBLE
CHLORITE;
Alteration : SLIGHTLY TO MODERATELY;
Phenocrysts: PLAGIOCLASE (20-25%)
Size(mm): <5
OLIVINE
POSSIBLE;
CLINOPYROXENE ( <<1%)
Size(mm): <1
AUGITE
Replacement: CARBONATE
FILLS AMYGDULES AND VEINS;
SMECTITE
FILLS AMYGDULES;
SILICA
FILLS VEINS AND AMYGDULES;
CHLORITE
POSSIBLY FILLS AMYGDULES;
PYRITE
OXIDIZED, 1 GRAIN FOUND IN AN AMYGDULE;
Leg : 37 Top/Bottom Interval(mm): 20/1270 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 600.77
Core: 36 Top of Core Depth (m) : 598.00
Sect: 2 Top of Section Depth(m): 599.52
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCE 1A (2-13), 1B (14-20), 1C (20-27), 2A (30-39),
2B (39-45), 2C (46-54), 2D (54-61), 2E (62-70),
3A (72-81), 3B (81-88), 3C (89-98), 4 (102-109),
5A (112-119), 5B (120-127);
Texture : PHYRIC, FINE GRAINED, FRESH GLASS ADJACENT TO
VEINED AREAS;
Structure : VEINS FILLED WITH CARBONATE;
Alteration : MODERATELY;
Phenocrysts: PLAGIOCLASE (20-25%)
Size(mm): <5
OLIVINE
POSSIBLE;
CLINOPYROXENE ( <<1%)
Size(mm): <1
BLACK AUGITE;
Replacement: CARBONATE
FILLS VEINS;
SERPENTINITE
Minerals Replaced: OL
PALAGONITE
Minerals Replaced: GLASS
Leg : 37 Top/Bottom Interval(mm): 20/1450 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 602.45
Core: 36 Top of Core Depth (m) : 598.00
Sect: 3 Top of Section Depth(m): 601.02
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCE 1A (2-10), 1B (10-17), 1C (17-25), 1D (25-31),
1E (30-40), 1F (39-47), 1G (47-55), 1H (55-64),
2 (70-79), 3 (81-91), 4 (95-100), 5A (104-113),
5B-5C (114-120), 6A (122-136), 6B (136-145);
Texture : PHYRIC, FINE GRAINED, GLASSY ZONES SURROUNDING
VEINS;
Structure : VEINS FILLED WITH SILICA + CARBONATE + POSSIBLY
ZEOLITE;
Alteration : MODERATELY;
Vesicles : FILLED WITH SMECTITE + CHLORITE + SILICA +
RARE CARBONATE AND POSSIBLY ZEOLITE;
Phenocrysts: PLAGIOCLASE (20-25%)
Size(mm): <5
MOSTLY 3 MM;
OLIVINE
POSSIBLY;
CLINOPYROXENE ( RARE%)
Size(mm): <1
AUGITE;
Replacement: SMECTITE
FILLS VESICLES;
CHLORITE
FILLS VESICLES;
SILICA
FILLS VESICLES AND VEINS, POSSIBLY REPLACES CARB;
ZEOLITE
POSSIBLY FILLS VESICLES AND VEINS;
CARBONATE
FILLS VEINS AND RARE FILLS VESICLES;
Leg : 37 Top/Bottom Interval(mm): 20/1480 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 603.98
Core: 36 Top of Core Depth (m) : 598.00
Sect: 4 Top of Section Depth(m): 602.52
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCE 1A (8-15), 1B (15-22), 1C (22-27), 1D (28-35),
2 (39-48), 3A (50-60), 3B (60-65), 3C (65-70),
4 (72-79), 5 (81-88), 6A (90-98), 6B (100-108),
7 (110-120), 8 (121-127), 9 (130-139), 10 (140-148);
Texture : PHYRIC, FINE GRAINED, SOME GLASSY ZONES AROUND
CARBONATE VEINS;
Structure : VEINS FILLED WITH CARBONATE, AMYGDULES FILLED WITH
CHLORITE + SMECTITE + CALCITE + SILICA + POSSIBLY
ZEOLITE;
Alteration : SLIGHTLY TO MODERATELY;
Leg : 37 Top/Bottom Interval(mm): 20/1370 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 605.37
Core: 36 Top of Core Depth (m) : 598.00
Sect: 5 Top of Section Depth(m): 604.02
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCE 1 (2-10), 2 (14-19), 3 (21-30), 4 (32-36),
5A-5B (37-56), 6A-6B (59-75), 7 (76-90), 8 (92-101),
9 (104-107), 10 (110-116), 11 (118-127),
12 (130-137);
Texture : PHYRIC, FINE GRAINED;
Structure : CHLORITIZED PALAGONITE AND CARBONATE VEINS;
Alteration : SLIGHTLY TO MODERATELY;
Phenocrysts: PLAGIOCLASE (20-25%)
Size(mm): <5
MOST AT 3MM;
OLIVINE
POSSIBLY;
CLINOPYROXENE ( RARE%)
Size(mm): <1
AUGITE;
Replacement: PALAGONITE
CHLORITIZED, FILLS VEINS;
CARBONATE
FILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 20/ 840 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 606.34
Core: 36 Top of Core Depth (m) : 598.00
Sect: 6 Top of Section Depth(m): 605.52
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCE 1A (2-10), 1B (10-19), 2A (22-31), 2B (32-40),
2C (40-46), 3 (50-62), 4 (64-74), 5A-5B (75-84);
Texture : PHYRIC, FINE GRAINED;
Structure : CHLORITIZED PALAGONITE AND CARBONATE VEINS;
Alteration : SLIGHTLY TO MODERATELY;
Comments : RARE CHLORITIZED AND OXIDIZED SELVAGE;
Phenocrysts: PLAGIOCLASE (20-25%)
Size(mm): <5
MOST AT 3MM;
OLIVINE
POSSIBLY;
CLINOPYROXENE ( RARE%)
Size(mm): <1
AUGITE;
Replacement: PALAGONITE
CHLORITIZED, FILLS VEINS;
CARBONATE
FILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 30/1480 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 608.98
Core: 37 Top of Core Depth (m) : 607.50
Sect: 1 Top of Section Depth(m): 607.53
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCE 1 (3-11), 2 (14-22), 3 (24-28), 4A-4D (30-35),
5 (36-45), 6 (47-52), 7 (54-58), 8 (60-63),
9 (65-69), 10 (71-81), 11 (83-91), 12 (92-97),
13 (100-105), 14 (107-110), 15 (112-117),
16A-16B (119-132), 17 (135-140), 18 (142-148);
Texture : PHYRIC, FINE GRAINED;
Structure : VEINS FILLED WITH CHLORITIZED PALAGONITE AND
CARBONATE;
Alteration : SLIGHTLY TO MODERATELY;
Comments : ZONES OF OXIDIZED AND CHLORITIZED PALAGONITE;
Phenocrysts: PLAGIOCLASE (20-25%)
Size(mm): <5
MOST AT 3MM;
OLIVINE
POSSIBLY;
CLINOPYROXENE ( RARE%)
Size(mm): <1
AUGITE;
Replacement: PALAGONITE
CHLORITIZED, FILLS VEINS;
CARBONATE
FILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 20/1080 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 610.08
Core: 37 Top of Core Depth (m) : 607.50
Sect: 2 Top of Section Depth(m): 609.02
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCE 1 (2-10), 2 (12-17), 3 (20-23), 4 (25-30)
5A-5B (33-45), 6A-6F (47-72), 7 (74-77),
8 (80-82), 9A-9B (84-88), 10 (90-99), 11 (100-108);
Texture : PHYRIC, FINE GRAINED, GLASSY ZONE NEAR PCE 12;
Structure : OXIDIZED FRACTURES, RARE THIN CARBONATE VEINS;
Alteration : SLIGHTLY TO MODERATELY;
Phenocrysts: PLAGIOCLASE (20-25%)
Size(mm): <5
MOST AT 3MM;
OLIVINE
POSSIBLY;
CLINOPYROXENE ( RARE%)
Size(mm): <1
AUGITE;
Groundmass : APHANITIC TO GLASSY, CHLORITIZED;
Replacement: CARBONATE
FILLS RARE THIN VEINS;
CHLORITE
FOUND IN GROUNDMASS;
Leg : 37 Top/Bottom Interval(mm): 1100/1480 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 610.48
Core: 37 Top of Core Depth (m) : 607.50
Sect: 2 Top of Section Depth(m): 610.10
LITHOLOGY: APHYRIC TO OL-PLAG MODERATELY PHYRIC BASALT;
Piece No. : PCE 12 (110-117), 13 (118-122), 14 (124-127),
15 (130-137), 16 (140-148);
Texture : APHYRIC TO MOD PHYRIC, FINE GRAINED, GLASSY MARGIN
NEAR PCE 13;
Alteration : SLIGHTLY TO MODERATELY;
Phenocrysts: OLIVINE ( 1-5%)
Size(mm): <1
MICROPHENOS;
PLAGIOCLASE ( 1-5%)
Size(mm): <1
Leg : 37 Top/Bottom Interval(mm): 20/ 730 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 611.23
Core: 37 Top of Core Depth (m) : 607.50
Sect: 3 Top of Section Depth(m): 610.52
LITHOLOGY: APHYRIC TO OL MODERATELY MICROPHYRIC BASALT;
Piece No. : PCE 1 (2-11), 2 (13-21), 3 (23-32), 4 (33-40),
5 (42-49), 6 (51-61), 7 (63-69), 8 (71-73);
Texture : APHYRIC TO MOD MICROPHYRIC, FINE GRAINED;
Structure : AMYGDULES FILLED WITH OXIDIZED CHLOROPHAEITE +
SMECTITE + CARBONATE;
Alteration : SLIGHTLY TO MODERATELY;
Vesicles : FILLED;
Phenocrysts: OLIVINE ( 1-5%)
Size(mm): <1
MICROPHYRIC;
PLAGIOCLASE ( 1-5%)
Size(mm): <1
MICROPHYRIC;
Replacement: CHLOROPHAEITE
POSSIBLE, OXIDIZED, FILLS AMYGDULES;
SMECTITE
FILLS AMYGDULES;
CARBONATE
FILLS AMYGDULES;
Leg : 37 Top/Bottom Interval(mm): 20/ 90 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 617.09
Core: 38 Top of Core Depth (m) : 617.00
Sect: 1 Top of Section Depth(m): 617.02
LITHOLOGY: OL-PLAG PHYRIC BASALT;
Piece No. : PCE 1 (2-9);
Texture : PHYRIC, FINE GRAINED;
Structure : AMYGDULES FILLED WITH CHLORITE AND POSSIBLE ZEOLITE;
Alteration : SLIGHTLY TO MODERATELY;
Phenocrysts: OLIVINE ( 5%)
Size(mm): <3
PLAGIOCLASE ( 5%)
Size(mm): <7
Groundmass : CHLORITIZED;
Replacement: CHLORITE
FILLS AMYGDULES, FOUND IN GROUNDMASS;
ZEOLITE
POSSIBLY FILLS AMYGDULES;
EPIDOTE
POSSIBLE, FOUND ON OUTER SURFACES;
Leg : 37 Top/Bottom Interval(mm): 0/ 240 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 626.74
Core: 39 Top of Core Depth (m) : 626.50
Sect: 1 Top of Section Depth(m): 626.50
LITHOLOGY: OL-PLAG MODERATELY PHYRIC BASALT;
Piece No. : PCE 1 (0-7), 2 (8-15), 3 (16-24);
Texture : MODERATELY PHYRIC, FINE GRAINED;
Structure : AMYGDULES FILLED WITH CHLORITE AND ZEOLITE;
Alteration : SLIGHTLY TO MODERATELY;
Phenocrysts: OLIVINE ( 5%)
PLAGIOCLASE
MINOR;
CLINOPYROXENE ( 1%)
BLACK AUGITE;
Replacement: ZEOLITE
FILLS AMYGDULES;
SMECTITE
FILLS AMYGDULES;
Leg : 37 Top/Bottom Interval(mm): 0/ 120 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 636.12
Core: 40 Top of Core Depth (m) : 636.00
Sect: 1 Top of Section Depth(m): 636.00
LITHOLOGY: OL MOD PHYRIC BASALT;
Piece No. : PCE 1 (0-7), 2 (9-12);
Texture : SPARSELY PHYRIC, FINE-GRAINED GROUNDMASS;
Alteration : SLIGHT TO MODERATE;;
Vesicles : SMALL;
Phenocrysts: OLIVINE ( 5%)
Size(mm): <1
PLAGIOCLASE
MINOR;
Replacement: IDDINGSITE
Minerals Replaced: OL
SMECTITE
FILLS SMALL VESICLES;
Comments : UNIT 1;
Leg : 37 Top/Bottom Interval(mm): 130/1450 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 637.45
Core: 40 Top of Core Depth (m) : 636.00
Sect: 1 Top of Section Depth(m): 636.13
LITHOLOGY: PLAG-OL MODERATELY PHYRIC BASALT;
SOME BRECCIA BASALT;
Piece No. : PCE 3A (13-27), 3B (27-35), 4 (36-50), 5A (51-56),
5B (51-56), 6 (57-66), 7 (67-76), 8 (77-87),
9 (89-99), 10 (100-110), 11 (110-121), 12 (121-126),
13A (127-137), 13B (138-144);
Texture : PHYRIC, GLASSY BRECCIA IN PCES 3+4+8-13,
QUENCHED GNDMASS;
Alteration : FRESH;
Phenocrysts: PLAGIOCLASE ( 5%)
Size(mm): <2
SERICITIZED;
OLIVINE ( 1%)
Size(mm): <1
CLINOPYROXENE
OCCASIONAL CPX PHENOCRYSTS;
Groundmass : QUENCHED;
Replacement: CHLORITE
SOME VEINING;
CALCITE
SOME VEINING;
Leg : 37 Top/Bottom Interval(mm): 0/1470 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 638.97
Core: 40 Top of Core Depth (m) : 636.00
Sect: 2 Top of Section Depth(m): 637.50
LITHOLOGY: PLAG-OL MODERATELY PHYRIC BASALT;
SOME BRECCIA BASALT;
Piece No. : PCE 1A (2-9), 1B (10-16), 1C (16-23), 2A (26-34),
2B (34-41), 2C (41-46), 3 (47-55), 4 (57-66),
5 (68-75), 6 (76-82), 7 (83-88), 8 (90-101),
9 (109-110), 10 (111-116), 11 (118-122),
12 (123-129), 13 (129-133), 14 (135-140),
15 (141-146);
Texture : PHYRIC, QUENCHED GROUNDMASS, SOME BRECCIA;
Structure : VEINS, PCE 14 IS AMYGDALOIDAL;
Alteration : FRESH;
Phenocrysts: PLAGIOCLASE ( 5%)
Size(mm): <2
OLIVINE ( <1%)
Size(mm): <1
Replacement: CALCITE
VEINING;
Leg : 37 Top/Bottom Interval(mm): 0/ 710 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 639.71
Core: 40 Top of Core Depth (m) : 636.00
Sect: 3 Top of Section Depth(m): 639.00
LITHOLOGY: PLAG MODERATELY PHYRIC BASALT;
Piece No. : PCE 1 (2-11), 2 (13-23), 3 (25-30), 4 (31-34),
5 (36-41), 6 (42-51), 7 (52-56), 8 (58-63),
9 (65-71);
Texture : PHYRIC, SOME BRECCIA;
Structure : CALCITE VEIN;
Alteration : SLIGHTLY;
Phenocrysts: PLAGIOCLASE ( 5%)
Size(mm): <3
OLIVINE ( <1%)
Size(mm): <1
CLINOPYROXENE
Size(mm): <1
OCCASIONAL CPX PHENOCRYSTS IN PCES 5+6;
Replacement: CALCITE
FILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 0/1450 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 646.95
Core: 41 Top of Core Depth (m) : 645.50
Sect: 1 Top of Section Depth(m): 645.50
LITHOLOGY: APHYRIC TO PLAG-OL PHYRIC BASALT;
Piece No. : PCE 1 (2-9), 2 (10-14), 3A (15-30), 3B (30-32),
3C (32-43), 4 (45-55), 5 (56-65), 6A (67-79),
6B (79-86), 6C (86-94), 6D (94-99), 7A (101-115),
7B (115-120), 7C (125-133), 8 (135-145);
Texture : APHYRIC TO PHYRIC, SOME BRECCIA, GLASSY FRAGMENTS;
Structure : VEINS FILLED WITH CALCITE;
Alteration : SLIGHTLY TO MODERATELY;
Phenocrysts: PLAGIOCLASE
Size(mm): 3
OLIVINE
Size(mm): 2
Replacement: CALCITE
FILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 0/ 240 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 647.24
Core: 41 Top of Core Depth (m) : 645.50
Sect: 2 Top of Section Depth(m): 647.00
LITHOLOGY: APHYRIC BASALT;
BRECCIA BASALT;
Piece No. : PCE 1 (0-11), 2 (12-24);
Texture : APHYRIC, BRECCIATED, GLASSY ZONE IN PCE 2;
Alteration : FRESH;
Replacement: CHLORITIZED;
Leg : 37 Top/Bottom Interval(mm): 250/1060 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 648.06
Core: 41 Top of Core Depth (m) : 645.50
Sect: 2 Top of Section Depth(m): 647.25
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCE 3 (25-31), 4 (32-45), 5 (46-58), 6 (60-66),
7 (68-73), 8 (75-82), 9 (83-90), 10 (91-99),
11 (100-106);
Texture : PHYRIC;
Structure : CALCITE VEINS;
Alteration : FRESH;
Phenocrysts: PLAGIOCLASE ( 20%)
Size(mm): <4
OLIVINE
Size(mm): 1
OCCASIONAL OL PHENOCRYSTS;
Replacement: CHLORITE
Minerals Replaced: PLAG
HEMATITE
CALCITE
FOUND IN VEINS;
IDDINGSITE
Minerals Replaced: OL
CLAY
Leg : 37 Top/Bottom Interval(mm): 0/1360 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 656.36
Core: 42 Top of Core Depth (m) : 655.00
Sect: 1 Top of Section Depth(m): 655.00
LITHOLOGY: APHYRIC TO OL-PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (0-8), 2A (10-18), 2B (19-27), 2C (28-37),
3A-3B (40-43), 3C (45-51), 3D (51-61), 3E (61-68),
3F (70-75), 3G (70-75), 4A (84-90), 4B (84-90),
5 (91-100), 6 (101-110), 7A-7B (112-121),
7C (122-127), 7D (128-135);
Texture : APHYRIC TO PHYRIC, PCE 1 IS BRECCIATED, CRYSTALLINE
GROUNDMASS;
Structure : VEINS, FRACTURED, SOME AMYGDULES;
Alteration : SLIGHTLY TO MODERATELY;
Phenocrysts: OLIVINE
Size(mm): 2
PLAGIOCLASE ( RARE%)
Groundmass : CRYSTALLINE;
Replacement: CARBONATE
FILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 2/1470 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 657.97
Core: 42 Top of Core Depth (m) : 655.00
Sect: 2 Top of Section Depth(m): 656.50
LITHOLOGY: APHYRIC TO OL-CPX SPARSELY PHYRIC BASALT;
Piece No. : PCE 1A (2-9), 1B (9-16), 1C (16-27), 1D (28-35),
2 (27-53), 3A (55-63), 3B (63-75), 4A-4I (77-135),
5 (139-146);
Texture : APHYRIC TO SPARSELY PHYRIC, LOWER SECTION COARSE
GRAINED;
Structure : VEIN IN PCE 2;
Alteration : MODERATELY;
CHLORITIZATION, SOME OXIDATION BANDS;
Vesicles : SOME VESICLES AND VUGS;
Phenocrysts: OLIVINE
Size(mm): 3
CLINOPYROXENE
Size(mm): <1
Replacement: CHLORITIZED;
ZEOLITE
POSSIBLY INFILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 0/ 420 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 658.42
Core: 42 Top of Core Depth (m) : 655.00
Sect: 3 Top of Section Depth(m): 658.00
LITHOLOGY: APHYRIC TO PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 1 (0-9), 2 (11-16), 3 (17-42);
Texture : APHYRIC IN PCE 2, PHYRIC IN PCES 1+3;
Alteration : FRESH;
Phenocrysts: PLAGIOCLASE
Size(mm): 4
CLINOPYROXENE
OLIVINE
Leg : 37 Top/Bottom Interval(mm): 10/1460 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 665.96
Core: 43 Top of Core Depth (m) : 664.50
Sect: 1 Top of Section Depth(m): 664.51
LITHOLOGY: PLAG-OL MODERATELY PHYRIC BASALT;
Piece No. : PCE 1 (1-19), 2 (20-26), 3 (27-36), 4 (37-41),
5 (44-50), 6 (54-59), 7A (60-74), 7B (74-85),
7C (85-94), 7D (95-105), 8A (111-118), 8B (119-131),
8C (132-141), 8D (141-146);
Texture : MODERATELY PHYRIC, SOME FINE GRAINED MATERIAL;
Structure : HIGHLY FRACTURED WITH COMPLEX JOINTING, FINE
SILICEOUS VEINING;
Alteration : SLIGHTLY TO MODERATELY;
Phenocrysts: OLIVINE
PLAGIOCLASE
Size(mm): <5
Replacement: CHLORITE
SILICA
FILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 20/1460 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 667.46
Core: 43 Top of Core Depth (m) : 664.50
Sect: 2 Top of Section Depth(m): 666.02
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCE 1A (2-16), 1B (17-25), 1C (26-36), 1D (36-45),
1E (45-52), 2A (55-64), 2B (65-72), 2C (73-82),
2D (82-90), 3A (92-103), 3B (103-110), 4 (111-117),
5 (119-126), 6 (128-136), 7 (136-146);
Texture : PHYRIC, SOME GLASSY ZONES;
Structure : HIGHLY FRACTURED WITH COMPLEX JOINTING, FINE
SILICEOUS VEINING;
Alteration : FRESH TO SLIGHTLY;
Phenocrysts: PLAGIOCLASE
Size(mm): 4
Replacement: SILICA
FILLS VEINS AND VUGS;
Leg : 37 Top/Bottom Interval(mm): 20/1350 Analyst: Flower, M.
Hole: 332B Sample Midpoint (m) : 668.85
Core: 43 Top of Core Depth (m) : 664.50
Sect: 3 Top of Section Depth(m): 667.52
LITHOLOGY: PLAG PHYRIC BASALT;
BRECCIA BASALT;
Piece No. : 1A-1B (2-10), 2A-2F (11-90), 3 (93-100),
4A-4C (102-135);
Texture : PHYRIC, THIS IS A ZONE OF BRECCIATED PHYRIC BASALT
OF THE PREVIOUS UNIT, THIS INTENSIVE BRECCIATION IS
ASSOCIATED WITH GLASSY RIMS OF PILLOW, THE INDIVIDUAL
FRAGMENTS OF BASALT ARE VERY SMALL AND SHARP, THESE
ZONES ALSO ARE IMPREGNATED WITH A CHLORITE-CARBONATE
MATERIAL CEMENTED + GLASSY BRECCIA + VEINLET FILLED
WITH LARGE FRAGMENTS OF BASALT;
Structure : VEINLETS;
Vesicles : VESICLES FILLED WITH CHLORITE + CARBONATE +
OCCASIONAL HEMATITE;
Replacement: CHLORITE
FOUND AS A CEMENT IN BRECCIA;
CARBONATE
FOUND AS A CEMENT IN BRECCIA;
Leg : 37 Top/Bottom Interval(mm): 20/ 870 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 669.87
Core: 43 Top of Core Depth (m) : 664.50
Sect: 4 Top of Section Depth(m): 669.02
LITHOLOGY: PLAG PHYRIC BASALT;
BRECCIA BASALT;
Piece No. : PCE 1A-1C (2-30), 2 (31-41), 3 (43-51),
4A-4C (55-87);
Texture : BRECCIATED PHYRIC BASALT, BRECCIATED ZONES FILLED BY
CHLORITE AND CARBONATE MATERIAL, GLASSY ZONE;
Structure : VEINLETS FILLED BY CHLORITE AND CARBONATE;
Alteration : FRESH;
EXCEPT SMALL FRAGMENTS WITH PROPERTIES OF
CHLORITIZATION;
Phenocrysts: PLAGIOCLASE
Replacement: CHLORITE
FILLS VEINS AND HIGHLY BRECCIATED ZONES;
CARBONATE
FILLS VEINS AND HIGHLY BRECCIATED ZONES;
Leg : 37 Top/Bottom Interval(mm): 20/1470 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 675.47
Core: 44 Top of Core Depth (m) : 674.00
Sect: 1 Top of Section Depth(m): 674.02
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCE 1 (2-10), 2 (11-19), 3A-3H (21-96),
PCE 4A-4C (98-124), 5 (126-129), 6A-6B (131-147);
Texture : PHYRIC;
Structure : SOME FRACTURES;
Alteration : FRESH;
Phenocrysts: PLAGIOCLASE
Leg : 37 Top/Bottom Interval(mm): 10/1460 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 676.96
Core: 44 Top of Core Depth (m) : 674.00
Sect: 2 Top of Section Depth(m): 675.51
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCE 1 (1-8), 2 (10-20), 3 (22-30), 4 (32-41),
5 (44-50), 6A-6C (51-73), 7 (75-81), 8 (84-94),
9A-9F (95-146);
Texture : PHYRIC;
Structure : INTERMEDIATE DEGREE OF FRACTURING, SOME OF THE
FRACTURE ZONES HAVE MORE OR LESS SIGNIFICANT
ORIENTATION, CARBONATE VEINS HAVE SMALL XENOLITHS OF
BASALT AND EMPTY VUGS;
Alteration : FRESH;
Vesicles : VUGS FOUND IN CARBONATE VEINS;
Phenocrysts: PLAGIOCLASE
Replacement: CARBONATE
FILLS VEINS;
Leg : 37 Top/Bottom Interval(mm): 20/1490 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 678.49
Core: 44 Top of Core Depth (m) : 674.00
Sect: 3 Top of Section Depth(m): 677.02
LITHOLOGY: PLAG PHYRIC BASALT;
BRECCIA BASALT;
Piece No. : PCE 1 (2-11), 2 (13-20), 3A-D (22-56), 4 (58-66),
5 (69-74), 6A-C (75-99), 7A-D (100-149);
Texture : PHYRIC, ZONES OF INTENSE BRECCIATION, SOME GLASS;
Structure : VEINLETS AND VEINS FILLED WITH CARBONATE;
Alteration : FRESH;
Phenocrysts: PLAGIOCLASE
Replacement: CARBONATE
FILLS VEINS AND VEINLETS;
Leg : 37 Top/Bottom Interval(mm): 20/1480 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 679.98
Core: 44 Top of Core Depth (m) : 674.00
Sect: 4 Top of Section Depth(m): 678.52
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCE 1 (2-14), 2 (16-18), 3 (20-30), 4 (31-37),
5A-C (39-58), 6A-C (60-71), 7A-B (74-80),
8 (81-86), 9 (88-98), 10 (101-103), 11 (105-107),
12 (110-114), 13 (115-120), 14 (124-131),
15 (134-136), 16 (138-147);
Texture : PHYRIC, SOME GLASS;
Structure : MORE OR LESS UNIFORMLY FRACTURED;
Alteration : FRESH;
Phenocrysts: PLAGIOCLASE
Leg : 37 Top/Bottom Interval(mm): 20/ 800 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 680.80
Core: 44 Top of Core Depth (m) : 674.00
Sect: 5 Top of Section Depth(m): 680.02
LITHOLOGY: PLAG PHYRIC BASALT;
BRECCIA BASALT;
Piece No. : PCE 1 (2-9), 2A-D (11-34), 3 (35-40), 4 (42-45),
5A-B (49-74), 6 (75-80);
Texture : PHYRIC, INTENSIVELY BRECCIATED;
Structure : SOME FRACTURES;
Alteration : SLIGHTLY;
Comments : BASALTS ARE OXIDIZED WITH RED BROWN COLOR;
Phenocrysts: PLAGIOCLASE
Leg : 37 Top/Bottom Interval(mm): 830/1400 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 681.40
Core: 44 Top of Core Depth (m) : 674.00
Sect: 5 Top of Section Depth(m): 680.83
LITHOLOGY: PLAG-OL SLIGHTLY PHYRIC BASALT;
Piece No. : PCE 7 (83-91), 8 (93-104), 9 (106-110),
10 (111-116), 11A-11B (119-131), 12A-12B (133-140);
Texture : PHYRIC, VARIOLITIC;
Alteration : FRESH;
Vesicles : ABUNDANT SMALL VESICLES FILLED BY CARBONATE
MATERIAL, SOMETIMES ALSO FILLED WITH HEMATITE
AND SULFIDE MATERIAL;
Phenocrysts: PLAGIOCLASE ( RARE%)
Size(mm): <1
OLIVINE ( RARE%)
Size(mm): <1
OL IS PALE GREEN COLOR;
Replacement: CARBONATE
HEMATITE
SULFIDES
ALL THREE FILL VESICLES;
Leg : 37 Top/Bottom Interval(mm): 2/1380 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 682.88
Core: 44 Top of Core Depth (m) : 674.00
Sect: 6 Top of Section Depth(m): 681.50
LITHOLOGY: PLAG-OL-PYX SPARSELY PHYRIC BASALT;
Piece No. : PCE 1A-1S (1-121), 2 (124-128), 3A-3B (130-138);
Texture : SPARSELY PHYRIC, VARIOLITIC;
Structure : THIN VEINLETS FILLED WITH SULPHIDES;
Alteration : FRESH;
Vesicles :
Location: Filling: SULFIDES
Phenocrysts: PLAGIOCLASE ( RARE%)
MICROPHENOCRYSTS;
OLIVINE ( RARE%)
MICROPHENOCRYSTS;
PYROXENE ( RARE%)
MICROPHENOCRYSTS;
Replacement: SULFIDES
FILLS THIN VEINLETS AND VESICLES;
Leg : 37 Top/Bottom Interval(mm): 10/ 720 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 683.72
Core: 44 Top of Core Depth (m) : 674.00
Sect: 7 Top of Section Depth(m): 683.01
LITHOLOGY: PLAG-OL SPARSELY PHYRIC BASALT;
Piece No. : PCE 1A-1B (1-14), 2 (15-20), 3 (21-27), 4 (29-37),
5A-5C (39-50), 6 (52-60), 7 (62-72);
Texture : SPARSELY PHYRIC, VARIOLITIC;
Alteration : FRESH;
Comments : GRAY COLOR;
Phenocrysts: PLAGIOCLASE ( RARE%)
MICROPHENOCRYSTS;
OLIVINE ( RARE%)
MICROPHENOCRYSTS;
SMALL PHENOS OF PLAG AND GREEN COLORED OLIVINE ARE
SOMETIMES INTERGROWN;
Leg : 37 Top/Bottom Interval(mm): 0/1480 Analyst: Dmitriev, L.
Hole: 332B Sample Midpoint (m) : 684.98
Core: 45 Top of Core Depth (m) : 683.50
Sect: 1 Top of Section Depth(m): 683.50
LITHOLOGY: PLAG PHYRIC BASALT;
Piece No. : PCE 1A-1C (0-30), 2A-2B (31-50), 3 (51-55),
4 (56-60), 5 (61-68), 6 (70-79), 7 (81-86),
8A-8B (89-96), 9 (99-101), 10A-10B (103-111),
11 (113-122), 12 (125-129), 13 (131-138),
14 (140-148);
Texture : PHYRIC, SOME GLOMEROPHYRIC CLUSTERS, ABUNDANT GLASSY
ZONES ESPECIALLY IN UPPER PART OF SECTION, SOME
PIECES ARE BRECCIATED;
Alteration : FRESH;
Phenocrysts: PLAGIOCLASE
OLIVINE
OCCASIONAL OL PHENOCRYSTS;
Leg : 37 Top/Bottom Interval(mm): 10/1350 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 694.35
Core: 46 Top of Core Depth (m) : 693.00
Sect: 1 Top of Section Depth(m): 693.01
LITHOLOGY: PLAG SPARSELY TO MOD PHYRIC BASALT;
Piece No. : PCE 1 (1-7), 2 (10-15), 3 (16-21), 4A-4C (24-32),
5 (34-41), 6A-6E (42-61), 7A-7B (64-69),
8A-8D (71-79), 9A-9D (81-109), 10A-10B (111-117),
11A-11D (119-135);
Texture : PHYRIC IN PIECES 2-4C, SPARSELY PHYRIC IN ALL OTHER
PIECES, MOD PHYRIC PIECES MAY BE OUT OF SEQUENCE,
FINE GRAINED;
Structure : CONJUGATE FRACTURES OFTEN COATED WITH CHLORITE AND
PYRITE, AMYGDULES FILLED WITH CHLORITE AND ONE HAS
A CRYSTAL OF PYRITE;
Alteration : FRESH TO SLIGHTLY;
PCES 2-4C ARE SLIGHTLY OXIDIZED;
Vesicles : Size(mm): <2 Percent:
UBIQUITOUS, MOSTLY OPEN;
Phenocrysts: PLAGIOCLASE ( 1-5%)
Size(mm): <2
CLINOPYROXENE
Replacement: ONE 3 MM AUGITE PHENO FOUND IN PCE 1;
CHLORITE
COATS FRACTURES;
PYRITE
OCCASIONALLY FOUND COATING FRACTURES;
Leg : 37 Top/Bottom Interval(mm): 10/1340 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 695.84
Core: 46 Top of Core Depth (m) : 693.00
Sect: 2 Top of Section Depth(m): 694.51
LITHOLOGY: PLAG SPARSELY TO MOD PHYRIC BASALT;
Piece No. : PCE 1 (1-20), 2A-2B (22-35), 3A-3B (38-50),
3C (51-64), 4A (65-79), 4B (80-89), 5 (90-103),
6A-6B (105-117), 7 (120-127), 8 (130-134);
Texture : SPARSELY TO MODERATELY PHYRIC, FINE GRAINED;
Structure : FRACTURE SURFACES COATED WITH CHLORITE AND PYRITE,
AMYGDULES FILLED WITH CHLORITE;
Alteration : FRESH TO SLIGHTLY;
Comments : PCES 5 AND 8 CONSIST OF A BAG OF CHIPS;
Vesicles : Size(mm): <2 Percent:
UBIQUITOUS, MOSTLY OPEN;
Phenocrysts: PLAGIOCLASE ( 1-5%)
Size(mm): <2
Replacement: CHLORITE
FOUND COATING FRACTURE SURFACES, FILLS AMYGDULES;
PYRITE
FOUND COATING FRACTURE SURFACES;
Leg : 37 Top/Bottom Interval(mm): 10/ 920 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 696.92
Core: 46 Top of Core Depth (m) : 693.00
Sect: 3 Top of Section Depth(m): 696.01
LITHOLOGY: PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCE 1 (1-18), 2 (20-30), 3A-3B (31-52), 4 (54-59),
5 (61-67), 6 (70-75), 7A-7B (77-80), 8 (82-92);
Texture : SPARSELY PHYRIC;
Structure : AMYGDULES FILLED WITH CALCITE + CHLORITE;
Alteration : SLIGHTLY TO MODERATELY;
Comments : PCE 4 IS A BAG OF CHIPS;
THIS SECTION IS SOMEWHAT MORE ALTERED THAN PREVIOUS
SECTIONS, THERE ARE SOME BROWN ALTERATION SURFACES
AND THE SECTION IS SLIGHTLY LESS PHYRIC;
Vesicles : Size(mm): <2 Percent:
UBIQUITOUS, MOSTLY OPEN;
Phenocrysts: PLAGIOCLASE ( 1-2%)
Size(mm): <2
Replacement: CHLORITE
FILLS AMYGDULES;
CALCITE
FILLS AMYGDULES;
Leg : 37 Top/Bottom Interval(mm): 20/1250 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 703.75
Core: 47 Top of Core Depth (m) : 702.50
Sect: 1 Top of Section Depth(m): 702.52
LITHOLOGY: PLAG SPARSELY TO MODERATELY PHYRIC BASALT;
Piece No. : PCE 1 (2-16), 2A-2E (18-34), 3 (35-39),
4A-4D (41-55), 5A-5C (57-85), 6A-6D (87-125);
Texture : SPARSELY TO MODERATELY PHYRIC, FINE TO MEDIUM
GRAINED;
Structure : FRACTURE SURFACES COATED WITH CHLORITE AND PYRITE;
Alteration : SLIGHTLY;
Vesicles :
Location: Filling: CHLORITE
Phenocrysts: PLAGIOCLASE ( 1-5%)
Size(mm): <2
Replacement: CHLORITE
FILLS VESICLES AND COATS FRACTURE SURFACES;
PYRITE
COATS FRACTURE SURFACES;
Leg : 37 Top/Bottom Interval(mm): 10/1480 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 705.48
Core: 47 Top of Core Depth (m) : 702.50
Sect: 2 Top of Section Depth(m): 704.01
LITHOLOGY: PLAG SPARSELY TO MODERATELY PHYRIC BASALT;
Piece No. : PCE 1A-1D (1-29), 2A-2B (31-40), 3A-3B (42-47),
4 (49-63), 5 (65-76), 6A-6B (77-103),
7A-7C (105-121), 8A-8B (124-148);
Texture : SPARSELY TO MODERATELY PHYRIC, FINE TO MEDIUM
GRAINED;
Structure : AMYGDULES FILLED WITH CHLORITE, FRACTURE SURFACES
COATED WITH CHLORITE;
Alteration : FRESH TO SLIGHTLY;
Phenocrysts: PLAGIOCLASE ( 1-5%)
Size(mm): <2
Replacement: CHLORITE
FILLS AMYGDULES AND COATS FRACTURE SURFACES;
Leg : 37 Top/Bottom Interval(mm): 20/1480 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 706.98
Core: 47 Top of Core Depth (m) : 702.50
Sect: 3 Top of Section Depth(m): 705.52
LITHOLOGY: PLAG SPARSELY TO MODERATELY PHYRIC BASALT;
Piece No. : PCE 1 (2-13), 2 (15-25), 3A-3E (27-42), 4 (44-58),
5A-5C (60-74), 6 (75-85), 7A-7B (86-100),
8 (102-115), 9 (116-120), 10 (122-125),
11 (126-140), 12 (141-148);
Texture : SPARSELY TO MODERATELY PHYRIC, MEDIUM TO FINE
GRAINED;
Structure : FRACTURES;
Alteration : SLIGHTLY TO MODERATELY;
Phenocrysts: PLAGIOCLASE ( 1-5%)
Size(mm): <2
Leg : 37 Top/Bottom Interval(mm): 20/ 540 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 707.54
Core: 47 Top of Core Depth (m) : 702.50
Sect: 4 Top of Section Depth(m): 707.02
LITHOLOGY: PLAG SPARSELY TO MODERATELY PHYRIC BASALT;
Piece No. : PCE 1 (2-8), 2A-2B (10-17), 3 (20-32),
4A-4C (34-43), 5 (45-54);
Texture : SPARSELY TO MODERATELY PHYRIC, FINE TO MEDIUM
GRAINED;
Alteration : SLIGHTLY TO MODERATELY;
Phenocrysts: PLAGIOCLASE ( 1-5%)
Size(mm): <2
Leg : 37 Top/Bottom Interval(mm): 550/ 880 Analyst: Wright, T.
Hole: 332B Sample Midpoint (m) : 707.88
Core: 47 Top of Core Depth (m) : 702.50
Sect: 4 Top of Section Depth(m): 707.55
LITHOLOGY: PLAG SPARSELY TO MODERATELY PHYRIC BASALT;
BRECCIA BASALT;
Piece No. : PCE 6 (55-62), 7 (65-70), 8 (72-80), 9 (82-88);
Texture : SPARSELY TO MODERATELY PHYRIC, BRECCIA BASALT WITH
CHLORITE MATRIX;
Alteration : SLIGHTLY TO MODERATELY;
Comments : PROBABLE BASE OF UPPER PART OF SECTION;
Phenocrysts: PLAGIOCLASE ( 1-5%)
Size(mm): <2
Replacement: CHLORITE
FINE, FOUND AS MATRIX IN THE BRECCIA;
Groundmass : CHLORITE
Leg : 37 Top/Bottom Interval(mm): 50/1470 Analyst: Fischer, J.
Hole: 332B Sample Midpoint (m) : 713.47
Core: 48 Top of Core Depth (m) : 712.00
Sect: 1 Top of Section Depth(m): 712.05
LITHOLOGY: APHYRIC TO PLAG-PYX SPARSELY PHYRIC;
Piece No. : PCE 1A-1C (5-11), 2A-2D (15-23), 3A-3I (25-37),
4 (40-52), 5A-5G (54-64), 6A-6F (66-80),
7 (82-94), 8A-8D (96-112), 9A-9H (115-130),
10 (133-140), 11 (144-147);
Texture : APHYRIC TO SPARSELY PHYRIC;
Structure : FRACTURES, VEINS FILLED WITH GREEN MATERIAL AND ALSO
A CLEAR CONCHOIDAL MATERIAL POSSIBLY QUARTZ;
Alteration : MODERATELY;
Comments : ENTIRE CORE IS RUBBLE, ASSORTMENT INTO COMPARTMENTS
IS BY CONVENIENCE OF SIZE ROUGHLY IN THE ORDER
FOUND, IT HAS NOTHING TO DO WITH MATCHING PIECES
EXCEPT FOR PIECES 1 AND 2, CHUNKS ARE GREEN COLORED
WITH A SOAPY FEEL, MANY SLICKENSIDES, PCES 4+7+9 ARE
BAGS OF PIECES, COLOR OF BASALT IS REDDISH-GREEN;
Vesicles : Size(mm): 1-2 Percent:
FILLED WITH GREEN MATERIAL;
Phenocrysts: PLAGIOCLASE ( RARE%)
PYROXENE ( RARE%)
PROBABLE PYX FOUND IN PCE 8A;
Replacement: GREEN MATERIAL FILLS VESICLES + VEINS;
QUARTZ
POSSIBLY FOUND IN VESICLES;
POSSIBLE SHEET SILICATES FOUND AS ALTERATION
MINERALS;
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