Leg : 67 Top/Bottom Interval(mm): 0/ 440 Analyst: Cowan, D.S.
Hole: 499C Sample Midpoint (m) : 260.44
Core: 1 Top of Core Depth (m) : 260.00
Sect: 1 Top of Section Depth(m): 260.00
LITHOLOGY: PLAG-OL PHYRIC BASALT;
Piece No. : PCES 1 (0-4), 2 (6-8), 3 (15-20), 4 (24-26),
5 (31-35), 6 (37-44);
Texture : MEDIUM GRAINED, PHYRIC, PCES(3 & 5 & 6) SUGGESTION
OF WEATHERING RINDS DEVELOPED ON PARTS OF PCES;
Alteration : MOD
OL PHENOCRYSTS COMPLETELY ALTERED TO SOFT BROWN
CLAY;
Comments : ROCKS WERE PULLED FROM CORE CATCHER IN PART SO NO
GREAT SIGNIFICANCE SHOULD BE ATTACHED TO ORDER IN
WHICH NOW FOUND- ORDER IS MOST LIKELY IMMATERIAL
HERE SINCE WEATHERED EXTERIOR OF ROCKS SUGGEST THEY
ARE A SUBMARINE TALUS, DARK GREY BASALT;
Phenocrysts: OLIVINE ( 5%)
Size(mm): 1-3
NOW COMPLETELY ALTERED TO ORANGE BROWN CLAY;
PLAGIOCLASE ( 20%)
Size(mm): TO 5
PCES(3 & 5 & 6) ON THE WEATHERED RINDS THE
GLOMEROPHENOCRYSTS ARE LIGHTER AND MORE EVIDENT
THAN IN THE FRESHER CORES;
Replacement: CLAY
CLAY IS SOFT BROWN;
Leg : 67 Top/Bottom Interval(mm): 460/ 600 Analyst: Cowan, D.S.
Hole: 499C Sample Midpoint (m) : 260.60
Core: 1 Top of Core Depth (m) : 260.00
Sect: 1 Top of Section Depth(m): 260.46
LITHOLOGY: APHYRIC WEATHERED BASALT;
Piece No. : PCES 7 (46-51), 8 (54-56);
Texture : PCES 7 & 8 ARE SMOOTHER AND SUBROUNDED, WEATHERING
RINDS ARE WELL DEVELOPED SURROUNDING DARKER GREY
CORES, THE PCES ARE APHYRIC AND APHANITIC;
Alteration : EXTENSIVELY;
Comments : PCES 7 & 8 HAVE PALE YELLOWISH-GREY EXTERIORS;
Replacement: PYRITE
TINY PYRITE GRAINS ARE ARE ABUNDANT AND
DISSEMINATED THROUGHOUT;
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