Leg : 35 Top/Bottom Interval(mm): 0/ 0 Describer: Vennum, W.
Hole: 322 Top of Core Depth(m) : 504.00 Rock Type: IGNEOUS
Core: 11 Sample Midpoint(m) : 513.10 Sect/Pc #: CC/
ROCK = BASALT;
Texture: VARIOLITIC*
Groundmass - PLAGIOCLASE
Size(mm): TO 1 Morphology: ACICULAR
ARRANGED IN SHEAF-LIKE FASHION,GLASSY CLEAR,TRACE
MAFICS ( 1%)
Size(mm): <1
RELIC PHENOS(?) MODERATE REDDISH BROWN,IDDINGSITE
AMOUNT OF CLEAR RECTANGULAR PLAG MICROPHENOS(1,5-
2MM) SET IN A FELTED MODERATE YELLOWISH BROWN
AFTER OL*
GROUNDMASS COMPOSED OF SMALLER PLAG NEEDLES AND
CLAY MINERALS(?);
Alteration - IDDINGSITE
Replacing: OL
Vesicles -
Size(mm): .5
Percent: <1
AMYGDULES,GRAYISH GREEN THAT OSCILLATORIALLY
GRADE OUT INTO A THIN RIM OF DUSKY GREY*
Leg : 35 Top/Bottom Interval(mm): 750/ 760 Describer: Vennum, W.
Hole: 322 Top of Core Depth(m) : 513.50 Rock Type: IGNEOUS
Core: 12 Sample Midpoint(m) : 514.26 Sect/Pc #: 1/PCE 1
ROCK = BASALT;
Texture: VERY FINE-GRAINED,VARIOLITIC;
Groundmass - PLAGIOCLASE
Size(mm): <1 Morphology: ACICULAR
SET IN A FELTED GROUNDMASS OF SMALLER PLAG
MICROLITES AND CLAY MINERALS(?) THAT IS DARK
YELLOWISH ORANGE;
MAFICS
Size(mm): <1
RELIC BLOCKY MAFIC XTLS(?) ALTERED ENTIRELY TO
DUSKY RED;
OLIVINE
IDDINGSITE AFTER OL(?),FRACTURED SURFACES STAINED
MODERATE RED THAT OSCILLATORIALLY GRADE TO PALE
YELLOW ORANGE*
Alteration - IDDINGSITE
Replacing: OL
Vesicles -
Size(mm): <.5
Percent: 2
GRAYISH GREEN AMYGDULES WITH OSCILLATORY DUSKY
GREEN RIMS*
Leg : 35 Top/Bottom Interval(mm): 190/ 200 Describer: Vennum, W.
Hole: 322 Top of Core Depth(m) : 532.50 Rock Type: IGNEOUS
Core: 13 Sample Midpoint(m) : 534.20 Sect/Pc #: 2/PCE 3
ROCK = PLAG SPARSELY MICROPHYRIC BASALT
ENCODED FROM VISUAL CORE DESCRIPTION RECORD,
COBBLES;
Texture: INCIPIENT VARIOLITIC, SPARSELY
MICROPHYRIC;
Phenocrysts- OTHER ( 2%)
Size(mm): 1 Morphology: RECTANGULAR
1-2% CLEAR, GLOSSY,SOME OF WHICH SHOW CONCHOIDAL
FRACTURES AND OTHERS SHOW GOOD CLEAVAGE
SURFACES - GLASSY PLAG?*
Groundmass - OTHER
Morphology: ACICULAR,SWALLOW-TAILED
GROUNDMASS CONTAINING GLASSY CLEAR ACICULAR XTLS
(SAME AS MICROPHENOS) A FEW OF WHICH ARE DOUBLE
SWALLOW-TAILED UPT TO 1 MM*
Alteration - FERROUS OXIDE
Vesicles -
Size(mm): TO 1
Percent: TR
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