Leg : 54 Top/Bottom Interval(mm): 0/ 40 Analyst: Mattey, D.
Hole: 424A Sample Midpoint (m) : 29.76
Core: 3 Top of Core Depth (m) : 24.50
Sect: CC Top of Section Depth(m): 29.82
LITHOLOGY: SEDIMENT;
Leg : 54 Top/Bottom Interval(mm): 40/ 180 Analyst: Mattey, D.
Hole: 424A Sample Midpoint (m) : 29.90
Core: 3 Top of Core Depth (m) : 24.50
Sect: CC Top of Section Depth(m): 29.76
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (10-18);
Texture : APHYRIC,FINE-GRAINED;
Alteration : FRESH
Comments : MEDIUM GRAY BASALT;
Vesicles :
Location: Filling: CLAY.MINS
BLUE CLAY.MINS IN VESICLES & LINED WITH THIN
ACICULAR XTLS;
Groundmass : FINE-GRAINED MATRIX WHICH IS UNRESOLVABLE;
Replacement: CLAY MINERALS
BLUE CLAY.MINS IN VESICLES;
Leg : 54 Top/Bottom Interval(mm): 320/ 400 Analyst: Schrader, E.L.
Hole: 424A Sample Midpoint (m) : 34.40
Core: X 1 Top of Core Depth (m) : 34.00
Sect: Top of Section Depth(m): 34.32
LITHOLOGY: SEDIMENT;
LITHIFIED NANNOFOSSIL FORAM OOZE;
Piece No. : PCE 5 (32-40);
Leg : 54 Top/Bottom Interval(mm): 0/ 160 Analyst: Schrader, E.L.
Hole: 424A Sample Midpoint (m) : 34.16
Core: X 1 Top of Core Depth (m) : 34.00
Sect: Top of Section Depth(m): 34.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (0-7), 2 (8-16);
Texture : APHYRIC,GLASSY MARGIN IN PCE 1,INCREASINGLY FINE-
GRAINED TOWARDS GLASSY MARGIN IN PCE 1,SLIGHTLY MORE
COARSENESS IN PCE 2;
Alteration : FRESH
PCE 2;
SLIGHTLY
PCE 1,BLUE SECONDARY MINERAL ON EXTERIOR SURFACE O
PCE 1;
Comments : ALL PCES IN SECTION RUBBLE WITH NO STRATIGRAPHIC
ORIENTATION;
Vesicles :
Location: Filling: CALCITE,CLAY.MINS
PCE 2 IS MORE VESICULAR THAN PCE 1 & VESICLES
CONTAIN BLUE CLAY.MINS ALSO CALCITE IN ONE
VESICLE;
Replacement: CALCITE
CALCITE XTLS IN A VESICLE PCE 2;
CLAY MINERALS
BLUE;
UNIDENTIFIED
BLUE UNIDENT.MINS ON EXTERIOR OF PCE 1;
Leg : 54 Top/Bottom Interval(mm): 170/ 650 Analyst: Schrader, E.L.
Hole: 424A Sample Midpoint (m) : 34.65
Core: X 1 Top of Core Depth (m) : 34.00
Sect: Top of Section Depth(m): 34.17
LITHOLOGY: PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCES 3 (17-23), 4 (24-30), 6 (41-50), 7 (51-57),
8 (58-65);
Texture : SPARSELY PHYRIC,GLASSY MARGIN IN PCE 6,FINE-GRAINED
BUT SLIGHTLY COARSER IN PCES 3+4;
Structure : ONE LARGE VEIN FILLED WITH GREEN CLAY.MINS IN PCE 4,
LARGE CRACK RUNS THROUGH THE LARGEST VUG;
Alteration : FRESH
PCE 3;
SLIGHTLY
PCES 4+6-8;
Comments : OXIDATION ZONES ALONG CRACK IN PCE 4,ALL PCES ARE
JUST RUBBLE WITH NO STRATIGRAPHIC ORIENTATION,
EXTERIOR SURFACE HAS SOME BLUE UNIDENT.MINS ON
PCE 6;
Vesicles :
Location: Filling: CLAY.MINS
PCES 3-4+6-7 HAVE BLUE OR GREEN CLAY.MINS FILLING,
PCE 8 HAS EMPTY VESICLES,LARGE VUGS CONTAIN GREEN
ENCRUSTATIONS;
Phenocrysts: PLAGIOCLASE
Replacement: CLAY MINERALS
GREEN IN VEINS,BLUE OR GREEN IN VESICLES & VUGS;
UNIDENTIFIED
GREEN UNIDENT.MINS IN VUGS,BLUE UNIDENT.MINS ON
EXTERIOR OF PCE 6;
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