Leg : 73 Top/Bottom Interval(mm): 0/ 650 Analyst: Carman, M.
Hole: 520 Sample Midpoint (m) : 446.65
Core: 30 Top of Core Depth (m) : 446.00
Sect: 1 Top of Section Depth(m): 446.00
LITHOLOGY: SEDIMENT;
Leg : 73 Top/Bottom Interval(mm): 650/1200 Analyst: Carman, M.
Hole: 520 Sample Midpoint (m) : 447.20
Core: 30 Top of Core Depth (m) : 446.00
Sect: 1 Top of Section Depth(m): 446.65
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (65-68), 2 (70-74), 3 (76-78), 4 (80-87),
5 (88-95), 6 (96-98), 7 (100-110), 8 (112-119);
Texture : APHYRIC,PCES 1-3+5 HAVE GLASSY MARGINS
(0.5-2CM THICK),PCES 1-3 GLASS GRADES VERY FINE-TO-
FINE-GRAINED BASALT,PCE 5 2CM GLASS RIND BORDERED BY
2CM DEVITRIFIED GLASS ZONE WHICH GRADES INTO VERY
FINE-GRAINED BASALT,PCE 6 IS MOSTLY GLASS WITH A
WIDE SPHERUL ZONE,PCES 7+8 VERY FINE-TO-FINE-
GRAINED BASALT;
Alteration : MOD TO EXT
PCES 4+7-8;
EXT
PCES 1-3+5-6;
Comments : PCES 1-3 DARK BROWN BASALT,PCE 5 HAS BROWN
DEVITRIFIED GLASS;
Vesicles : Size(mm): 0.5-1 Percent:
PCES 1-3 SPARSELY VESICULAR,PCE 5 HAS 2MM
VESICULAR ZONE,PCES 7-8 FINELY VESICULAR;
Replacement: SMECTITE
PCE 6,PALE GREEN;
Leg : 73 Top/Bottom Interval(mm): 0/ 250 Analyst: Carman, M.
Hole: 520 Sample Midpoint (m) : 450.75
Core: 31 Top of Core Depth (m) : 450.50
Sect: 1 Top of Section Depth(m): 450.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (2-13), 2 (15-22);
Texture : APHYRIC,PCE 1 VERY FINE-GRAINED,PCE 2 HAS 1.5CM
GLASSY RIND ON VERY FINE-GRAINED VARIOLITIC BASALT
(VARIOLES ARE RELATIVELY LARGE 1-1.5CM IN GRAY
PART);
Alteration : MOD
Comments : PCE 2 BLACK TO GREENISH GRAY;
Vesicles : PCE 1 IS FINELY VESICULAR ON ONE SIDE;
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