Leg : 38 Top/Bottom Interval(mm): 1340/1360 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 250.00 Rock Type: IGNEOUS
Core: 12 Sample Midpoint(m) : 252.85 Sect/Pc #: 2/PCE 1
ROCK = OL-AUGITE-PLAG MOD PHYRIC DOLERITE-BASALT
VERY HIGHLY ALTERED,CHLORITIZED;
Texture: MOD PHYRIC,SUBDIABASIC,SUBOPHITIC*
Phenocrysts- OLIVINE ( 5-7%)
ALTERED;
AUGITE ( 1-2%)
ALTERED;
PLAGIOCLASE
Groundmass - OLIVINE ( 1-2%)
PLAGIOCLASE (40-45%)
Morphology: SKELETAL
PYROXENE (40-45%)
OPAQUE MINERALS ( 5%)
INCLUDES MAGN+ILMENITE*
Alteration - CHLORITE
Location: GROUNDMASS Replacing: PHENOS+GLASS
ALBITE
Replacing: PHENOS
CHLOROPHAEITE
Location: GROUNDMASS Replacing: PHENOS+GLASS
LEUCOXENE
Replacing: PHENOS
Vesicles -
Size(mm): .2-.5
Percent: 3
Filling: CHLORITE
Leg : 38 Top/Bottom Interval(mm): 1340/1361 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 250.00 Rock Type: IGNEOUS
Core: 12 Sample Midpoint(m) : 252.85 Sect/Pc #: 2/
ROCK = BASALT*
Groundmass - OLIVINE ( 2%)
PYROXENE ( 28%)
PLAGIOCLASE ( 40%)
IRON ORE ( 12%)
ALTERED GLASS ( 15%)
PLUS MESOSTASIS;
OTHER ( TR%)
ACCESSORIES;
PYRITE ( 1%)
% BY MODAL ANALYSES*
Leg : 38 Top/Bottom Interval(mm): 1400/1430 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 250.00 Rock Type: IGNEOUS
Core: 12 Sample Midpoint(m) : 252.92 Sect/Pc #: 2/PCE 2
ROCK = AUGITE-OL-PLAG MOD PHYRIC BASALT
DOLERITE-BASALT,POORLY XTLLIZED,THOLEIITIC;
Texture: MOD PHYRIC,VARIOLITIC,ALTERED GLASSY
ALTERED GLASSY MAKES UP 20-30% TEXTURE*
Phenocrysts- OLIVINE ( 1-2%)
ALTERED;
AUGITE ( 2%)
ALTERED;
PLAGIOCLASE
Morphology: SKELETAL
ALTERED*
Alteration - CHLORITE
Replacing: PHENOS+GLASS
CHLOROPHAEITE
Replacing: PHENOS+GLASS
Vesicles -
Size(mm): .2-1
Percent: 3
Filling: CHLORITE+CHLORO
Shape: PH
Leg : 38 Top/Bottom Interval(mm): 1160/1190 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 250.00 Rock Type: IGNEOUS
Core: 12 Sample Midpoint(m) : 255.68 Sect/Pc #: 4/PCE 2
ROCK = OL-AUGITE-PLAG MOD PHYRIC DOLERITE-BASALT
THOLEIITIC;
Texture: VARIOLITIC,SUBOPHITIC,ALTERED GLASSY
GRAY ALTERED GLASSY MAKES UP 10% OF TEXTURE*
Alteration - CHLORITE
Location: GROUNDMASS Replacing: PHENOS+GLASS
CHLOROPHAEITE
Replacing: PHENOS
CARBONATE
Replacing: PHENOS
PYRITE
Replacing: PHENOS
Vesicles -
Size(mm): .3-1
Percent: 5
AMYGDULES*
Leg : 38 Top/Bottom Interval(mm): 1230/1260 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 250.00 Rock Type: IGNEOUS
Core: 12 Sample Midpoint(m) : 255.75 Sect/Pc #: 4/
ROCK = OL-AUGITE MOD PHYRIC DOLERITE-BASALT
Texture: MOD PHYRIC,SUBDIABASIC,SUBOPHITIC*
Phenocrysts- OLIVINE ( 5%)
ALTERED;
AUGITE ( 4%)
ALTERED*
Groundmass - OLIVINE ( 1-2%)
Size(mm): .1-1
PLAGIOCLASE (30-40%)
PYROXENE (35-45%)
OPAQUE MINERALS ( 5%)
INCLUDES MAGN+ILMENITE*
Alteration - CHLORITE
Replacing: PHENOS
CARBONATE
Replacing: PHENOS
CHLOROPHAEITE
Replacing: PHENOS
PYRITE
Replacing: PHENOS
Vesicles -
Size(mm): .5-1
Percent: 10
Filling: CHLORITE+CARB+P
Shape: YRITE+
Filling: CHLOROPH
ID UNCERTAIN FOR CHLOROPHAEITE*
Leg : 38 Top/Bottom Interval(mm): 420/ 450 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 252.00 Rock Type: IGNEOUS
Core: 13 Sample Midpoint(m) : 252.43 Sect/Pc #: 1/PCE 2
ROCK = AUGITE-OL-PLAG MOD PHYRIC DOLERITE BASALT
ANDESITIC,WITH VARIOLITIC BASALT;
Texture: MOD PHYRIC,VARIOLITIC,SUBOPHITIC,ALTERED GLASSY
GRAY ALTERED GLASSY MAKES UP 10% OF TEXTURE*
Alteration - SMECTITE
Location: GROUNDMASS Replacing: GLASS+PHENOS
CHLORITE
Location: GROUNDMASS Replacing: PHENOS+GLASS
CARBONATE
Replacing: PHENOS
Vesicles -
Filling: SMECTITE+CHLORI
Shape: TE+CARB
Leg : 38 Top/Bottom Interval(mm): 420/ 451 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 252.00 Rock Type: IGNEOUS
Core: 13 Sample Midpoint(m) : 252.44 Sect/Pc #: 1/
ROCK = BASALT*
Groundmass - OLIVINE ( 1%)
PYROXENE ( 26%)
PLAGIOCLASE ( 42%)
IRON ORE ( 11%)
ALTERED GLASS ( 15%)
PLUS MESOSTASIS;
OTHER ( TR%)
ACCESSORIES;
PYRITE ( 1%)
% BY MODAL ANALYSES*
Leg : 38 Top/Bottom Interval(mm): 450/ 480 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 252.00 Rock Type: IGNEOUS
Core: 13 Sample Midpoint(m) : 252.47 Sect/Pc #: 1/PCE 2
ROCK = OL-PLAG-AUGITE PHYRIC DOLERITE-BASALT
ALTERED,CHLORITIZED;
Texture: PHYRIC*
Phenocrysts- OLIVINE ( 5%)
ALTERED;
AUGITE ( 2%)
ALTERED;
PLAGIOCLASE ( 2-3%)
ALTERED*
Groundmass - OLIVINE ( 1-2%)
PLAGIOCLASE (35-40%)
Morphology: SKELETAL
PYROXENE (40-45%)
OPAQUE MINERALS ( 5%)
INCLUDES MAGN+ILMENITE;
DEVITRIFIED GLASS
RELICTS IN GROUNDMASS*
Alteration - CHLORITE
Location: GROUNDMASS Replacing: PHENOS+GLASS
CHLOROPHAEITE
Replacing: PHENOS
ALBITE
Replacing: PHENOS
CARBONATE
Replacing: PHENOS
Vesicles -
Size(mm): .2-.5
Percent: 5
Filling: CHLORITE+CHLORO
Shape: PH
Leg : 38 Top/Bottom Interval(mm): 550/ 600 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 252.00 Rock Type: IGNEOUS
Core: 13 Sample Midpoint(m) : 252.58 Sect/Pc #: 1/
ROCK = OL-PLAG-AUGITE PHYRIC DOLERITE-BASALT
SIMILAR TO 13-1-45-48*
Alteration - CHLORITE
Replacing: PHENOS
CARBONATE
Replacing: PHENOS
CHLOROPHAEITE
Replacing: PHENOS
SERICITE
Replacing: PHENOS
Vesicles -
Filling: CHLORITE+CARB
Leg : 38 Top/Bottom Interval(mm): 800/ 830 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 252.00 Rock Type: IGNEOUS
Core: 13 Sample Midpoint(m) : 252.82 Sect/Pc #: 1/PCE 3
ROCK = OL-AUGITE-PLAG MOD PHYRIC DOLERITE-BASALT;
Texture: MOD PHYRIC,SUBDOLERITIC,SUBOPHITIC*
Phenocrysts- OLIVINE ( 2-3%)
ALTERED;
AUGITE ( 1%)
ALTERED;
PLAGIOCLASE ( 1%)
ALTERED*
Groundmass - OLIVINE ( 1-2%)
PLAGIOCLASE (35-40%)
PYROXENE (40-45%)
OPAQUE MINERALS ( 3-5%)
INCLUDES MAGN+ILMENITE*
Alteration - CHLORITE
Location: GROUNDMASS Replacing: PHENOS+GLASS
CARBONATE
Replacing: PHENOS
CHLOROPHAEITE
Replacing: PHENOS
Vesicles -
Size(mm): .5-1
Percent: 4
Filling: CHLORITE+CARB+C
Shape: HLOROPH
Leg : 38 Top/Bottom Interval(mm): 1060/1090 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 252.00 Rock Type: SEDIMENTARY
Core: 13 Sample Midpoint(m) : 253.08 Sect/Pc #: 1/PCE 6
ROCK = CLAYSTONE
SILTY CLAYSTONE WITH FRAGMENTS OF BASALT,FELDSPAR,
QUARTZ(?),MUSCOVITE AND PHOSPHATIC MICRONODULES
CARBONATIZED;
Leg : 38 Top/Bottom Interval(mm): 1200/1250 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 252.00 Rock Type: IGNEOUS
Core: 13 Sample Midpoint(m) : 253.22 Sect/Pc #: 1/
ROCK = OL-AUGITE-PLAG MOD PHYRIC DOLERITE-BASALT
THOLEIITIC;
Texture: VARIOLITIC,SUBOPHITIC,ALTERED GLASSY,MOD PHYRIC
GRAY ALTERED GLASSY MAKES UP 10% OF TEXTURE*
Phenocrysts- OLIVINE ( 2-3%)
ALTERED;
AUGITE ( 1-2%)
ALTERED;
PLAGIOCLASE ( 1%)
ALTERED*
Groundmass - OLIVINE ( 1-2%)
PLAGIOCLASE (30-35%)
PYROXENE (35-40%)
MAGNETITE ( 5%)
Alteration - SMECTITE
Replacing: PHENOS
CHLORITE
Replacing: PHENOS
CHLOROPHAEITE
Replacing: PHENOS
Leg : 38 Top/Bottom Interval(mm): 1270/1300 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 252.00 Rock Type: IGNEOUS
Core: 13 Sample Midpoint(m) : 253.29 Sect/Pc #: 1/PCE 9
ROCK = OL-AUGITE-PLAG MOD PHYRIC DOLERITE-BASALT
THOLEIITIC;
Texture: SUBOPHITIC,MOD PHYRIC,GLASSY
BROWN GLASSY MAKES UP 10% OF TEXTURE*
Phenocrysts- OLIVINE ( 5%)
ALTERED;
AUGITE ( 1-2%)
ALTERED;
PLAGIOCLASE ( 1%)
Groundmass -
Size(mm): .1-1
Alteration - CHLORITE
Location: GROUNDMASS Replacing: PHENOS+GLASS
CARBONATE
Replacing: PHENOS
CHLOROPHAEITE
Location: GROUNDMASS Replacing: PHENOS+GLASS
Vesicles -
Size(mm): .5-1
Percent: 5-10
Filling: CHLORITE+CALCIT
Shape: E+CHLOROPH
AMYGDULES*
Leg : 38 Top/Bottom Interval(mm): 50/ 80 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 252.00 Rock Type: IGNEOUS
Core: 13 Sample Midpoint(m) : 253.57 Sect/Pc #: 2/PCE 1
ROCK = DOLERITE-BASALT
SAME AS 13-1 SAMPLES;
Groundmass - PYRITE ( 1-2%)
Leg : 38 Top/Bottom Interval(mm): 50/ 81 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 252.00 Rock Type: IGNEOUS
Core: 13 Sample Midpoint(m) : 253.57 Sect/Pc #: 2/
ROCK = BASALT*
Groundmass - OLIVINE ( TR%)
PYROXENE ( 7%)
PLAGIOCLASE ( 50%)
IRON ORE ( 13%)
ALTERED GLASS ( 29%)
PLUS MESOSTASIS;
PYRITE ( 1%)
OTHER ( TR%)
ACCESSORIES,% BY MODAL ANALYSES*
Leg : 38 Top/Bottom Interval(mm): 180/ 220 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 252.00 Rock Type: IGNEOUS
Core: 13 Sample Midpoint(m) : 253.70 Sect/Pc #: 2/
ROCK = DOLERITE-BASALT
SAME AS 13-2-5-8*
Vesicles -
Size(mm): .5
Percent: 10
Filling: CHLORITE+CALCIT
Shape: E
AMYGDULES*
Leg : 38 Top/Bottom Interval(mm): 200/ 230 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 252.00 Rock Type: IGNEOUS
Core: 13 Sample Midpoint(m) : 253.72 Sect/Pc #: 2/PCE 2
ROCK = DOLERITE-BASALT
CHLORITIZED;
Texture: SUBOPHITIC*
Groundmass - OPAQUE MINERALS ( 3-5%)
Size(mm): .1-1
INCLUDES MAGN+ILMENITE*
Alteration - CHLORITE
Location: GROUNDMASS Replacing: PHENOS+GLASS
CHLOROPHAEITE
Location: GROUNDMASS Replacing: PHENOS+GLASS
Vesicles -
Size(mm): .5-2
Percent: 5
Filling: CHLORITE+CARB
Leg : 38 Top/Bottom Interval(mm): 300/ 330 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 252.00 Rock Type: IGNEOUS
Core: 13 Sample Midpoint(m) : 253.82 Sect/Pc #: 2/PCE 3
ROCK = SPARSELY PHYRIC DOLERITE-BASALT
SAME AS 13-2-20-23;
Leg : 38 Top/Bottom Interval(mm): 800/ 830 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 259.50 Rock Type: METAMORPHIC
Core: 14 Sample Midpoint(m) : 260.32 Sect/Pc #: 1/
ROCK = MARBLIZED LIMESTONE
WITH FRAGMENT OF BASALT AND PHOSPHATE;
Texture: GRANOBLASTIC*
Leg : 38 Top/Bottom Interval(mm): 1450/1460 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 259.50 Rock Type: IGNEOUS
Core: 14 Sample Midpoint(m) : 260.96 Sect/Pc #: 1/
ROCK = DOLERITE-BASALT
SAME AS SECTION 13*
Alteration - ALBITE
Replacing: PHENOS
CARBONATE
Replacing: PHENOS
Leg : 38 Top/Bottom Interval(mm): 570/ 600 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 278.50 Rock Type: SEDIMENTARY
Core: 16 Sample Midpoint(m) : 282.09 Sect/Pc #: 3/PCE 2
ROCK = SILTSTONE
CLAYISH SILTSTONE WITH FRAGMENTS OF BASALT,
FELDSPAR,QUARTZ(?),MUSCOVITE AND BIOTITE;
Leg : 38 Top/Bottom Interval(mm): 670/ 700 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 278.50 Rock Type: IGNEOUS
Core: 16 Sample Midpoint(m) : 282.18 Sect/Pc #: 3/PCE 3
ROCK = SPARSELY PHYRIC BASALT
HIGHLY CHLORITIZED;
Texture: VARIOLITIC*
Alteration - CHLORITE
Replacing: PHENOS
Vesicles -
Filling: CHLORITE+CHLORO
Shape: PH
AMYGDULES*
Leg : 38 Top/Bottom Interval(mm): 970/1000 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 278.50 Rock Type: IGNEOUS
Core: 16 Sample Midpoint(m) : 282.49 Sect/Pc #: 3/PCE 10
ROCK = OL-AUGITE-PLAG MOD PHYRIC DOLERITE-BASALT
WITH VARIOLITIC BASALT,THOLEIITIC;
Texture: MOD PHYRIC,VARIOLITIC,SUBOPHITIC,GLASSY
ALTERED GLASSY MAKES UP 10% OF TEXTURE*
Phenocrysts- OLIVINE ( 1-2%)
ALTERED;
AUGITE ( 1%)
ALTERED;
PLAGIOCLASE ( 1%)
ALTERED*
Groundmass - PLAGIOCLASE (30-35%)
PYROXENE (35-40%)
OPAQUE MINERALS ( 3-5%)
INCLUDES MAGN+ILMENITE*
Alteration - CHLORITE
Replacing: PHENOS+GLASS
CHLOROPHAEITE
Replacing: PHENOS
Vesicles -
Filling: CHLORITE+CHLORO
Shape: PH
Leg : 38 Top/Bottom Interval(mm): 970/1001 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 278.50 Rock Type: IGNEOUS
Core: 16 Sample Midpoint(m) : 282.49 Sect/Pc #: 3/
ROCK = BASALT*
Groundmass - OLIVINE ( 1%)
PYROXENE ( 30%)
PLAGIOCLASE ( 36%)
IRON ORE ( 12%)
ALTERED GLASS ( 20%)
PLUS MESOSTASIS;
PYRITE ( 1%)
% BY MODAL ANALYSES*
Leg : 38 Top/Bottom Interval(mm): 1440/1470 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 278.50 Rock Type: IGNEOUS
Core: 16 Sample Midpoint(m) : 282.96 Sect/Pc #: 3/PCE 18
ROCK = OL-AUGITE-PLAG MOD PHYRIC DOLERITE-BASALT
MORE XTLLINE THAN 16-3-97-100;
Texture: VARIOLITIC,SUBOPHITIC,MOD PHYRIC*
Phenocrysts- OLIVINE ( 3-4%)
ALTERED;
AUGITE ( 2%)
PLAGIOCLASE ( 2%)
Alteration - CHLORITE
Location: GROUNDMASS Replacing: PHENOS
ALBITE
Replacing: PHENOS
ID UNCERTAIN FOR ALBITE*
Groundmass -
Size(mm): 1-2
PLAGIOCLASE (35-40%)
PYROXENE (40-45%)
OPAQUE MINERALS ( 5%)
INCLUDES MAGN+ILMENITE*
Leg : 38 Top/Bottom Interval(mm): 1440/1471 Describer: Kharin, G.
Hole: 343 Top of Core Depth(m) : 278.50 Rock Type: IGNEOUS
Core: 16 Sample Midpoint(m) : 282.96 Sect/Pc #: 3/
ROCK = BASALT*
Groundmass - PYROXENE ( 9%)
PLAGIOCLASE ( 50%)
IRON ORE ( 20%)
ALTERED GLASS ( 20%)
PLUS MESOSTASIS;
PYRITE ( 1%)
% BY MODAL ANALYSES*
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