Leg : 69 Top/Bottom Interval(mm): 0/ 150 Analyst: Natland, J.
Hole: 505 Sample Midpoint (m) : 231.98
Core: 24 Top of Core Depth (m) : 228.50
Sect: CC Top of Section Depth(m): 231.93
LITHOLOGY: SILICEOUS NANNOFOSSIL OOZE;
Leg : 69 Top/Bottom Interval(mm): 150/ 250 Analyst: Natland, J.
Hole: 505 Sample Midpoint (m) : 232.08
Core: 24 Top of Core Depth (m) : 228.50
Sect: CC Top of Section Depth(m): 231.98
LITHOLOGY: PLAG-OL-CPX PHYRIC BASALT;
Piece No. : PCE 91 (15-25);
Texture : PHYRIC;
Structure : ELONGATE CRACK WITH REDDISH SECONDARY MINS IN IT;
Alteration : PATCHES OF PYR;
Vesicles : Size(mm): Percent: 2-3
Location: Filling: SMEC
PALE BLUISH-GREEN SMEC;
Phenocrysts: PLAGIOCLASE ( 15%)
CLINOPYROXENE ( 4%)
OLIVINE ( 1%)
Replacement:
UNIDENTIFIED
REDDISH SECONDARY MINERALS;
SMECTITE
PALE BLUISH-GREEN;
Leg : 69 Top/Bottom Interval(mm): 20/ 100 Analyst: Natland, J.
Hole: 505 Sample Midpoint (m) : 233.60
Core: 25 Top of Core Depth (m) : 233.50
Sect: 1 Top of Section Depth(m): 233.52
LITHOLOGY: PLAG-CPX-OL PHYRIC BASALT;
Piece No. : PCE 92 (2-10);
Texture : PHYRIC;
Alteration : MOD
FAINT REDDISH OXIDATIVE ALTERATION RIND,OL LARGELY
ALTERED,PLAG PHENOS CAN BE SKELETAL;
Vesicles :
Location: Filling: CLAY.MINS,CALCITE
VESICLES SPARSE,WAXY PALE BLUE-GREEN CLAY.MINS
FILL VESICLES WHILE SOME ARE FILLED WTIH CALCITE;
Phenocrysts: PLAGIOCLASE
Size(mm): TO 5
OLIVINE
Size(mm): TO 5
CLINOPYROXENE
Size(mm): TO 5
PHENOS TOTAL 25%(MOSTLY PLAG),OL & PLAG ALTERED,
PLAG POSSIBLY PARTLY REPLACED BY CLAY.MINS(?),
SOME PLAG STAINED RED;
Replacement: CLAY
Minerals Replaced: PLAG
CLAY.MINS REPLACING PLAG UNCERTAIN;
FERROUS HYDROX MINS
Minerals Replaced: OL
REDDISH;
CLAY
Minerals Replaced: OL
REDDISH;
( 0%)
Leg : 69 Top/Bottom Interval(mm): 20/ 400 Analyst: Adamson, A.C.
Hole: 505 Sample Midpoint (m) : 238.40
Core: 26 Top of Core Depth (m) : 238.00
Sect: 1 Top of Section Depth(m): 238.02
LITHOLOGY: PLAG-CPX-OL PHYRIC BASALT;
Piece No. : PCES 93 (2-7), 94 (10-14), 95 (15-18), 96 (20-25),
97 (25-35), 98 (36-40);
Texture : PHYRIC,GLAS.MESOSTAS IN PCE 93;
Alteration : OL ALTERED,STRONG STAINING TO PLAG PHENOS & SOME
ARE SKELETAL,PCE 97 HAS FAINT OXIDATION RIND WITH
OL & PLAG STAINED RED & UNOXIDIZED AREA IS SIMILAR
TO PCE 93;
Vesicles : OUTER SURFACE OF PCE 93 VESICULAR;
Phenocrysts: PLAGIOCLASE ( 20%)
OLIVINE ( 1%)
CLINOPYROXENE ( 4%)
PHENOS AVERAGE 2-3MM LONG,OL & PLAG ALTERED,
OL PRESENT AS PSEUDOMORPHS FILLED WITH PALE BLUE/
GREEN CLAY.MINS & ALSO CALCITE & PYR,OFTEN CENTERS
(CAVITIES) OF PHENOS REMAIN EMPTY OR MAY BE FILLED
WITH CALCITE & PYR WITHIN PSEUDOMORPHS,
GLOMEROCYRSTS OF PLAG ENCLOSING GLASS MESOSTAS &
PYR(TO 1CM LONG),GLOMEROCRYSTS ARE CLEAR ON CUT
SURFACE;
Replacement: CALCITE
( 0%)
PCES 94-96+98;
PCE 97 HAS PYR;
CLAY
WAXY & PALE BLUE/GREEN CLAY.MINS;
FERROUS HYDROX MINS
Minerals Replaced: OL
REDDISH;
CLAY
Minerals Replaced: OL
REDDISH;
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