Leg : 86 Top/Bottom Interval(mm): 0/1500 Analyst: Krissek, L.
Hole: 581 Sample Midpoint (m) : 344.50
Core: 19 Top of Core Depth (m) : 343.00
Sect: 1 Top of Section Depth(m): 343.00
LITHOLOGY: MODERATELY PHYRIC BASALT;
Piece No. : PCE 1 (2-6), 2 (9-12), 3 (14-20), 4 (22-27),
5 (28-33), 6 (35-38), 7 (42-46), 8 (49-52),
9 (55-63), 10 (65-68), 11 (71-78), 12 (81-89),
13 (92-97), 14A (100-113), 14B (105-117),
14C (114-123), 15 (125-130), 16 (131-138),
17A (140-142), 17B (140-141), 17C (142-148),
17D (147-149);
Texture : MODERATELY PHYRIC, 5% PHENOS IN ALL PIECES;
Structure : HEMATITE VEINS IN PCES 3&11&12&14-17 ALONG SMALL
CRACKS, VEINS IN 3&14-16 CONTAIN CLAY (SMECTITE?) &
ALTERATION PRODUCTS, CALCITE VEIN CROSS CUTS THE
HEMATITE VEIN IN PCE 3, CALCITE VEIN IN PCE 14B,
CRACK IN PCE 5;
Alteration : VEINS AND ALTERATION PRODUCTS;
Comments : MEDIUM GRAY COLOR(N5);
Replacement: HEMATITE
IN VEINS;
CLAY
SMECTITE? IN VEINS;
CALCITE
IN VEINS IN PCES 3&14B, PCES 1&2&8&10 CONTAIN
CALCITE and ALTERATIONS OF CHLORITE and SERPENTINE?,
PCE 17A-C CONTAINS CALCITE and SIMILAR ALTERATIONS
AS PCES 1&2 PLUS SOME GLASS ALTERATION;
SERPENTINITE
ID UNCERTAIN FOR SERP;
CHLORITE
UNCUT SURFACES SHOW MINOR ALTERATION TO CHLORITE;
Leg : 86 Top/Bottom Interval(mm): 0/1500 Analyst: Krissek, L.
Hole: 581 Sample Midpoint (m) : 346.00
Core: 19 Top of Core Depth (m) : 343.00
Sect: 2 Top of Section Depth(m): 344.50
LITHOLOGY: MODERATELY PHYRIC BASALT;
Piece No. : PCE 1 (2-8), 2 (10-18), 3 (21-28), 4 (31-35),
5 (39-42), 6 (45-54), 7 (56-67), 8 (68-78),
9 (82-88), 10 (90-95), 11 (95-104), 12 (105-115),
13 (118-122), 14 (124-139), 15 (142-148);
Texture : MODERATELY PHYRIC, <5% PHENOS;
Structure : VEINS FILLED WITH FERRIC OXIDE ALTERATION PRODUCTS
IN PCES 1&5-11&13, DARK GREEN CHLORITE/ALTERED
GLASS(?) VEINS IN PCES 2&3&5&7&9 (VERY LARGE VEIN
ACROSS TOP OF PCE) &12&14;
Alteration : VEINS AND ALTERATION PRODUCTS;
Comments : MEDIUM GRAY COLOR(N5), PCES 13&15 UNSPLIT SO
INTERNAL STRUCTURE AND ALTERATION UNKNOWN BUT THEY
SHOW MINOR EXTERNAL ALTERATION TO CHLORITE;
Replacement: FERROUS OXIDE
FE.OXIDE PRODUCTS IN VEINS;
CHLORITE
CHLORITE/ALTERED GLASS? IN VEINS;
SMECTITE
ID UNCERTAIN, BROWNISH, SOFT MATERIAL, INCLUDED IN
GREEN VEINS IN PCES 2A&14;
PCES 2-5 SHOW TRANSITION FROM EXTERNAL GLASS/
SLIGHTLY ALTERED GLASS TO FINE-GRAINED AND APHYRIC
BASALT INTERIOR BUT ALL PCES WERE ROTATED DURING
RECOVERY SO BASALT TOP (GLASSY SURFACE) IS NOT
POINTED UPWARDS, ALTERATION RIND IN PCES 2-5
INCLUDES INTERLAYERED CALCITE AND CHLORITE AND
SLIGHTLY ALTERED GLASS;
CALCITE
Leg : 86 Top/Bottom Interval(mm): 0/1420 Analyst: Krissek, L.
Hole: 581 Sample Midpoint (m) : 347.42
Core: 19 Top of Core Depth (m) : 343.00
Sect: 3 Top of Section Depth(m): 346.00
LITHOLOGY: MODERATELY PHYRIC BASALT;
SAME LITHOLOGY AS CORE 19 SEC 2;
Piece No. : PCE 1 (3-12), 2 (14-23), 3 (25-27), 4 (30-45),
5 (47-63), 6 (67-73), 7A (75-82), 7B (83-95),
7C (96-103), 7D (105-119), 8A (122-135),
8B (137-141);
Texture : MODERATELY PHYRIC, <5% VISIBLE PHENOS IN ALL PIECES;
Structure : CALCITE VEINS IN PCES 2&4&7B-C, DARK GREEN CHLORITE?
VEINS IN PCES 2&4&7B-D&8A--PERHAPS ALTERED GLASS,
SMALL CRACKS AND VEINS CONTAINING HEMATITE
ALTERATION IN PCES 1-4 and 7B-D and 8A-B;
Comments : MEDIUM GRAY COLOR(N5);
Replacement: HEMATITE
ALONG SMALL CRACKS AND IN VEINS;
CHLORITE
CHLORITE?/ALTERED GLASS? IN VEINS;
CALCITE
IN VEINS;
Leg : 86 Top/Bottom Interval(mm): 0/ 650 Analyst: Krissek, L.
Hole: 581 Sample Midpoint (m) : 348.15
Core: 19 Top of Core Depth (m) : 343.00
Sect: 4 Top of Section Depth(m): 347.50
LITHOLOGY: MODERATELY PHYRIC BASALT;
SAME LITHOLOGY AS CORE 19 SEC 2&3;
Piece No. : PCE 1 (3-7), 2 (10-29), 3 (32-36), 4 (40-52),
5 (55-63);
Texture : MODERATLEY PHYRIC, 3-5% PHENOS IN ALL PIECES;
Structure : CRACKS FILLED WITH HEMATITE IN PCES 1&2&4&5, CALCITE
VUGS IN PCES 3&4 WITH CHLORITE (SERPENTINE?) AND
HEMATITE IN PCE 3 and CHLORITE IN PCE 4;
Comments : MEDIUM GRAY COLOR(N5);
Replacement: HEMATITE
FILLS CRACKS;
CHLORITE
IN VUGS;
CALCITE
IN VUGS;
SERPENTINITE
ID UNCERTAIN FOR SERP;
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