Leg : 28 Top/Bottom Interval(mm): 1320/1500 Analyst: Ford, A.
Hole: 274 Sample Midpoint (m) : 410.00
Core: 44 Top of Core Depth (m) : 408.50
Sect: 1 Top of Section Depth(m): 409.82
LITHOLOGY: BASALT;
Piece No. : PCES 1 (132-134), 2 (136-138), 3 (138-141),
4 (142-150);
Texture : FINE GRAINED, HOLOCRYSTALLINE APPEARING AND
APHYRIC;
Structure : IRREGULARLY VEINED BY WHITE CARBONATE AND CHLORITE,
PCE 3 HAS CARBONATE/CHLORITE VEIN WHICH IS 4 MM
THICK, PCE 4 HAS CARBONATE/CHLORITE VEIN WHICH IS
5 MM THICK, BASALT APPEARS FRESH GENERALLY EXCEPT
CHLORITIZED NEAR VEINLETS;
Alteration : FRESH;
BASALT APPEARS FRESH GENERALLY EXCEPT CHLORITIZED
NEAR VEINLETS;
Comments : MEDIUM GREY;
Replacement: CARBONATE
CHLORITE
IRREGULARLY VEINED BY WHITE CARBONATE AND
CHLORITE (A FEW MM THICK);
Leg : 28 Top/Bottom Interval(mm): 0/1500 Analyst: Ford, A.
Hole: 274 Sample Midpoint (m) : 411.50
Core: 44 Top of Core Depth (m) : 408.50
Sect: 2 Top of Section Depth(m): 410.00
LITHOLOGY: BASALT;
BRECCIA;
Piece No. : PCES 1 (0-9), 2 (10-17), 3 (17-26), 4 (26-35),
5 (36-41), 6 (42-46), 7 (45-50), 8 (50-56),
9 (56-60), 10 (60-66), 11 (66-84), 12 (84-94),
13 (94-100), 14 (100-112), 15 (112-124),
16 (124-132), 17 (133-141), 18 (141-150);
Texture : BRECCIA ON PCES 3-11, ON PCE 11 HAS BRECCIA + BASALT
FRAGMENTS FROM 5 MM TO 1-2 CM IN BLUISH GREEN
(POSSIBLY CHLORITIC) MATRIX;
Structure : DARK GREEN VEINS ON PCES 1 AND 2, VEIN OF CALCITE
+ QUESTIONABLY CHLORITE, CHLORITE/CALCITE VEIN
ON PCE 4, PCES 8-10 HAVE BLUISH GREEN VEINS IN
BRECCIA MATRIX (2-5 MM THICK), PCE 12 HAS BLUISH
GREEN VEINS (POSSIBLY CHLORITIC), PCE 13 HAS VEINS
(1-2 MM) IN BASALT, PCE 14 HAS DARK GREEN TO WHITE
VEIN, ON PCE 15 BASALT IS CUT BY WHITE TO GREEN
VEINS (2-5 MM) THICK, BASALT SIMILAR TO THAT OF
CORE 44 SECTION 1 BUT MORE VEINED WITH LOCAL
BASALTIC BRECCIA, PCES 17 AND 18 BASALT CUT
BY WHITE TO DARK GREEN VEINS (2-5 MM) THICK;
Comments : BASALT SIMILAR TO THAT OF CORE 44 SECTION 1 BUT
MORE VEINED WITH LOCAL BASALTIC BRECCIA, FOR MORE
INFORMATION SEE CORE FORM AND LITHOLOGIC
DESCRIPTION IN THE INITIAL REPORTS;
Replacement: CALCITE
IN VEINS;
CHLORITE
IN VEINS;
Leg : 28 Top/Bottom Interval(mm): 0/ 0 Analyst: Ford, A.
Hole: 274 Sample Midpoint (m) : 411.60
Core: 44 Top of Core Depth (m) : 408.50
Sect: CC Top of Section Depth(m): 411.60
LITHOLOGY: BASALT;
Structure : VEIN ON BASE CONTAINS (1 CM X 0.5 CM) PATCH OF
SULFIDE AND POSSIBLY PYRITE;
Comments : SAME LITHOLOGY BUT VEIN ON BASE CONTAINS (1 CM X
0.5 CM) PATCH OF SULFIDE AND POSSIBLY PYRITE, SEE
CORE FORM AND LITHOLOGIC DESCRIPTION IN THE INITIAL
REPORTS FOR ADDITIONAL INFORMATION;
Replacement: PYRITE
IDENTIFICATION UNCERTAIN FOR PYRITE;
SULFIDE
Leg : 28 Top/Bottom Interval(mm): 1340/1500 Analyst: Ford, A.
Hole: 274 Sample Midpoint (m) : 419.50
Core: 45 Top of Core Depth (m) : 418.00
Sect: 1 Top of Section Depth(m): 419.34
LITHOLOGY: BASALT;
Piece No. : PCES 1 (134-140), 2 (141-146), 3 (146-150);
Texture : PCE 2 SEEMS TO SHOW GLASSY OR DEVITRIFIED DARK GREY
GLASSY RIM GRADING DOWN TO LIGHT GREY BASALT;
Comments : PCE 2 SEEMS TO SHOW GLASSY OR DEVITRIFIED DARK GREY
GLASSY RIM GRADING DOWN TO LIGHT GREY BASALT, PCE 3
IS MEDIUM YELLOW (10 YR 5/4) BASALT, SEE CORE FORM
AND LITHOLOGIC DESCRIPTION IN THE INITIAL REPORTS
FOR MORE INFORMATION;
Leg : 28 Top/Bottom Interval(mm): 0/1500 Analyst: Ford, A.
Hole: 274 Sample Midpoint (m) : 421.00
Core: 45 Top of Core Depth (m) : 418.00
Sect: 2 Top of Section Depth(m): 419.50
LITHOLOGY: BASALT;
BASALTIC BRECCIA;
Piece No. : PCES 1 (1-5), 2 (6-10), 3 (11-15), 4 (15-22),
5 (23-25), 6 (25-27), 7 (28-30), 8 (30-32),
9 (32-36), 10 (36-40), 11 (40-44), 12 (44-47),
13 (47-49), 14 (49-54), 15 (54-59), 16 (59-61),
17 (62-64), 18 (64-68), 19 (69-74), 20 (74-76)
21 (77-79), 22 (77-79), 23 (79-84), 24 (85-87),
25 (85-89), 26 (89-92), 27 (90-95), 28 (95-100),
29 (100-104), 30 (103-106), 31 (103-106),
32 (106-109), 33 (109-112), 34 (112-117),
35 (116-119), 36 (119-125), 37 (125-129),
38 (129-136), 39 (137-140), 40 (140-143),
41 (142-145), 42 (145-148), 43 (148-150);
Texture : MOSTLY FRAGMENTS OF ALTERED BASALT AND BASALTIC
BRECCIA, PCE 16 IS BASALTIC BRECCIA WITH CARBONATE
MATRIX;
Structure : INTERVAL (43-129 CM) IS CARBONATE VEINED - VESICULAR
TO AMYGDALOIDAL BASALT WITH GREEN BRECCIA VEINLET
OR VEINS, PCE 34 HAS BASALT CUT BY CARBONATE VEINS
(1 MM), PCE 37 HAS BASALT CUT BY CARBONATE VEINS
(1 MM THICK), INTERVAL (129-150 CM) IS CARBONATE
VEINED - VESICULAR TO AMYGDALOIDAL BASALT - FREE
OF GREEN BRECCIA VEINS;
Alteration : MOSTLY FRAGMENTS OF ALTERED BASALT AND BASALT
BRECCIA;
Comments : MOSTLY FRAGMENTS OF ALTERED BASALT AND BASALT
BRECCIA, GREYISH BLUE GREEN WITH MANY SMALL PIECES,
GREEN PCE 2, INTERVAL (22-43 CM) MEDIUM GREY BASALT,
PCES 9-11 ORIENTED VERTICALLY BUT CORES COULD HAVE
BEEN ROTATED - PCE 9 ESPECIALLY LOOKED AS IF IT HAD
BEEN ROTATED NINETY DEGREES DURING DRILLING, PCE 4
GREY AND WHITE, INTERVAL (22-34 CM) IS MEDIUM GREY
BASALT, PCES 16-17 IS BASALT BRECCIA WITH MAINLY
CARBONATE MATRIX, PCES 19-23 BASALT, PCES 24-26
BASALT, BASE OF PCE 23 IS BRECCIA, PCES 27-28
GREEN BRECCIA, PCE 29 BASALT AND BRECCIA;
Vesicles :
Location: Filling:
Shape : ELONGATE
PCES 9-11 SHOW ELONGATE VESICLES;
INTERVAL (22-150) VESICULAR TO AMYGDALOIDAL ;
Replacement: CARBONATE
Leg : 28 Top/Bottom Interval(mm): 0/ 0 Analyst: Ford, A.
Hole: 274 Sample Midpoint (m) : 421.10
Core: 45 Top of Core Depth (m) : 418.00
Sect: CC Top of Section Depth(m): 421.10
LITHOLOGY: BASALT;
BRECCIA;
Comments : 8 CM OF SOME BRECCIA BASALT, SEE CORE FORM AND
LITHOLOGIC DESCRIPTION IN THE INITIAL REPORTS FOR
MORE INFORMATION;
|
