Leg : 70 Top/Bottom Interval(mm): 0/ 190 Analyst: Hubberten, H.-W.
Hole: 507C Sample Midpoint (m) : 24.69
Core: 2 Top of Core Depth (m) : 24.50
Sect: 1 Top of Section Depth(m): 24.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 28 (0-6), 29 (8-9), 30 (12-19);
Texture : APHYRIC, FINE-GRAINED;
Alteration : THIN WEATHERING RIM IN PCE 28, IN PCE 30 THERE IS
A 5-10MM WEATHERING RIM EXCEPT AT TOP OF THE
SAMPLE, IN PCE 30 VESICLES IN WEATHERING RIM ARE
FILLED WITH DARK-GREEN MATERIAL PARTLY OXIDIZED
TO RED-BROWNISH MATERIAL;
Vesicles : Size(mm): <0.1 Percent:
Location: Filling: CLAY
IN PCE 28, EMPTY IN FRESH PART AND COATED WITH
BLUE CLAY IN THE WEATHERING RIM, IN PCE 29
VESICLES ARE FILLED WITH WHITE MATERIAL;
Size(mm): <0.5 Percent:
Location: Filling: CLAY
IN PCE 30 VERY SMALL VESICLES ARE EMPTY IN THE
FRESH PART AND FILLED(COATED) WITH BLUE CLAY IN
THE WEATHERING RIM;
Size(mm): 0.1-0.3 Percent:
Location: C Filling: ALCITE
IN THE LOWEST PART OF PCE 30 IS A ZONE OF
GREATER VESICLES, VOID OR PARTLY FILLED WITH
WHITE CRYSTALS (CALCITE?) IN THE FRESH PART,
FILLED WITH DARK GREEN MATERIAL PARTLY OXIDIZED TO
RED BROWNISH MATERIAL IN THE WEATHERING RIM;
Replacement: CALCITE
ID UNCERTAIN;
CLAY MINERALS
BLUE CLAY COATS VESICLES IN WEATHERING RIM OF
PCE 28;
Leg : 70 Top/Bottom Interval(mm): 0/ 270 Analyst: Laverne, C.
Hole: 507C Sample Midpoint (m) : 27.77
Core: 3 Top of Core Depth (m) : 27.50
Sect: 1 Top of Section Depth(m): 27.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 31 (2-5), 32 (6-13), 33 (16-18), 34 (20-22),
35 (23-27);
Texture : APHYRIC, FINE-GRAINED;
Structure : IN PCE 32 THERE IS A SMALL VEIN FILLED BY YELLOW-
BROWN-GREEN MATERIAL;
Alteration : ON THE UNCUT SIDES OF PCE 31 THE ALTERATION RIM
SHOWS DIFFERENTLY COLORED ALTERATION MATERIALS;
FRESH
IN PCE 32 NO ALTERATION EXCEPT YELLOW-BROWN-GREEN
MATERIAL FILLING VEIN;
IN PCE 33 GRAY AND BROWN GREEN ALTERATION
MATERIAL ON ONE SIDE AND TWO POINTS OF BROWN-RED
MATERIAL, IN PCE 34 ALTERATION RIM (1-5MM
THICKNESS) ON TWO SIDES OF THE SAMPLE, IN PCE 35
ALTERATION RIM (5-8MM THICKNESS) ON TWO SIDES OF
THE SAMPLE, ON THE UNCUT FACES IS A THIN LAYER OF
BROWN AND GREENISH MATERIAL;
Comments : COOLING UNIT 1;
Vesicles :
Location: Filling: CLAY
IN PCE 31 NUMEROUS PINPOINT VESICLES, IN THE
INTERIOR OF THE SAMPLE VESICLES ARE EMPTY OR
FILLED WITH A BLUE MATERIAL(CLAY), IN THE ALTERED
RIM ALL THE VESICLES ARE FILLED WITH BLUE OR
YELLOW GREEN CLAY;
IN PCE 32 NUMEROUS EMPTY PINPOINT VESICLES ARE
FILLED WITH BLUE CLAY, PCE 35 IS SIMILAR;
Replacement: CLAY MINERALS
BLUE AND YELLOW-GREEN CLAY IN VESICLES;
Leg : 70 Top/Bottom Interval(mm): 280/ 350 Analyst: Laverne, C.
Hole: 507C Sample Midpoint (m) : 27.85
Core: 3 Top of Core Depth (m) : 27.50
Sect: 1 Top of Section Depth(m): 27.78
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 36 (27-35);
Texture : APHYRIC, VERY FINE-GRAINED WITH GLASSY RIM ON ONE
SIDE;
Alteration : ALTERATION RIM (3-5MM THICKNESS) ON THREE SIDES OF
THE SAMPLE, ON THE UNCUT SIDES BLUE+GREEN+YELLOW
GREEN+GREEN BROWN CLAYS OCCUR AS A THIN COAT;
Comments : COOLING UNIT 2;
Vesicles : IN THE ALTERATION RIM VESICLES ARE FILLED WITH
BLUE MATERIAL, VESICLES IN THE INTERIOR ARE EMPTY;
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