Leg : 38 Top/Bottom Interval(mm): 200/ 220 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 189.50 Rock Type: IGNEOUS
Core: 14 Sample Midpoint(m) : 199.09 Sect/Pc #: CC/
ROCK = BASALTIC BRECCIA
FRAGMENTS OF OL-HYALOBASALT,PLAG PHYRIC BASALT
(APPROX COMP AN68-72),PLAG IS FRESH,GLASS REPLACED
BY CHLORITE-ZEOLITE-GREEN SMECTITE,CHLORITE-
SMECTITE-CALCITE RIMS(.05-.1MM)*
Leg : 38 Top/Bottom Interval(mm): 360/ 380 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 522.00 Rock Type: IGNEOUS
Core: 32 Sample Midpoint(m) : 526.87 Sect/Pc #: 4/
ROCK = OL-PLAG MOD PHYRIC BASALT
HYALOBASALT;
Texture: MOD PHYRIC,VARIOLITIC,GLASSY
BROWN ALTERED GLASSY MAKES UP 40% OF TEXTURE*
Phenocrysts- OLIVINE ( 2%)
ALTERED;
PLAGIOCLASE ( 1%)
ALTERED;
Groundmass - PLAGIOCLASE ( 30%)
Size(mm): .01-1
PYROXENE ( 30%)
MAGNETITE ( 1%)
Alteration - SMECTITE
Location: VEINS Replacing: PHENOS+GLASS
CHLORITE
Replacing: PHENOS
CARBONATE
Replacing: PHENOS
Leg : 38 Top/Bottom Interval(mm): 360/ 381 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 522.00 Rock Type: IGNEOUS
Core: 32 Sample Midpoint(m) : 526.87 Sect/Pc #: 4/
ROCK = BASALT*
Groundmass - OLIVINE ( 2%)
PYROXENE ( 30%)
PLAGIOCLASE ( 30%)
IRON ORE ( 8%)
ALTERED GLASS ( 30%)
PLUS MESOSTASIS, % BY MODAL ANALYSIS*
Leg : 38 Top/Bottom Interval(mm): 430/ 450 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 522.00 Rock Type: IGNEOUS
Core: 32 Sample Midpoint(m) : 526.94 Sect/Pc #: 4/PCE 2
ROCK = OL-PLAG MOD PHYRIC BASALT;
Texture: SUBOPHITIC,TRACHYTOID,GLASSY
BROWN ALTERED GLASSY MAKES UP 5% OF TEXTURE*
Phenocrysts- OLIVINE ( 2%)
ALTERED;
PLAGIOCLASE ( 1%)
ALTERED*
Groundmass - PLAGIOCLASE (30-35%)
Size(mm): .1-1
PYROXENE (40-50%)
MAGNETITE ( 1%)
Alteration - SMECTITE
Location: GROUNDMASS Replacing: PHENOS
CHLORITE
Location: GROUNDMASS Replacing: PHENOS
CARBONATE
Location: GROUNDMASS
PYRITE ( 1-2%)
Location: VEINS
Vesicles -
Size(mm): .2
Percent: 1
Filling: SMECTITE+CHLORI
Shape: TE
Leg : 38 Top/Bottom Interval(mm): 660/ 690 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 522.00 Rock Type: IGNEOUS
Core: 32 Sample Midpoint(m) : 527.17 Sect/Pc #: 4/PCE 6
ROCK = OL-PLAG MOD PHYRIC BASALT
SAME AS 32-4-43-45;
Alteration - CARBONATE
Location: VEINS
PYRITE
Location: VEINS
Leg : 38 Top/Bottom Interval(mm): 690/ 710 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 522.00 Rock Type: IGNEOUS
Core: 32 Sample Midpoint(m) : 527.20 Sect/Pc #: 4/PCE 6
ROCK = OL-PLAG MOD PHYRIC BASALT
SAME AS 32-4-66-69;
Groundmass - PLAGIOCLASE (35-40%)
Leg : 38 Top/Bottom Interval(mm): 930/ 960 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 522.00 Rock Type: IGNEOUS
Core: 32 Sample Midpoint(m) : 527.45 Sect/Pc #: 4/PCE 2
ROCK = OL-AUGITE-PLAG MOD PHYRIC BASALT
CHLORITIZED;
Texture: SUBOPHITIC*
Phenocrysts- OLIVINE ( 3%)
ALTERED;
AUGITE ( 1%)
PLAGIOCLASE ( 1%)
Groundmass - PLAGIOCLASE (35-40%)
Morphology: LATHS
PYROXENE (30-40%)
POIKILITIC PYX WITH PLAG LATHS;
MAGNETITE ( 2%)
Alteration - SMECTITE ( 10%)
Replacing: PHENOS
CHLORITE ( 10%)
Replacing: PHENOS
ALBITE
Replacing: PHENOS
CARBONATE ( 5%)
Replacing: PHENOS
PYRITE
Location: VEINS
Leg : 38 Top/Bottom Interval(mm): 970/1000 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 522.00 Rock Type: IGNEOUS
Core: 32 Sample Midpoint(m) : 527.49 Sect/Pc #: 4/PCE 2
ROCK = OL-PLAG MOD PHYRIC BASALT
CHLORITIZED,SAME AS 32-4-97-100;
Texture: MOD PHYRIC*
Phenocrysts- OLIVINE ( 3%)
ALTERED;
PLAGIOCLASE ( 1%)
ALTERED*
Groundmass - PLAGIOCLASE (35-40%)
Size(mm): .1-1
PYROXENE (45-50%)
MAGNETITE ( 1%)
Alteration - SMECTITE
Location: VEINS Replacing: PHENOS
CHLORITE
Location: VEINS Replacing: PHENOS
CARBONATE
Replacing: PHENOS
ALBITE
Location: GROUNDMASS
Vesicles -
Size(mm): .3
Percent: 0-1
Filling: SMECTITE+CHLORI
Shape: TE
Leg : 38 Top/Bottom Interval(mm): 0/ 0 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 522.00 Rock Type: IGNEOUS
Core: 32 Sample Midpoint(m) : 528.10 Sect/Pc #: CC/
ROCK = OL-PYRITE-HBL MOD PHYRIC BASALT;
Texture: MOD PHYRIC,OPHITIC,SUBOPHITIC*
Phenocrysts- OLIVINE ( 3%)
ALTERED;
HORNBLENDE
ID UNCERTAIN FOR HBL;
PYRITE ( 3%)
Groundmass - PLAGIOCLASE ( 35%)
Size(mm): .01-.1
EXTINCTION ANGLE PERP. TO (010)=38 DEG.,APPROX
COMP AN68;
POIKILITIC PLAG IN AUGITE;
PYROXENE (55-60%)
Size(mm): .4-1
MAGNETITE ( 1%)
Alteration - CHLORITE
Replacing: PHENOS
CARBONATE
Location: VEINS Replacing: PHENOS
Vesicles -
Size(mm): .3-.6
Percent: 3
Filling: CHLORITE+CARB
Leg : 38 Top/Bottom Interval(mm): 560/ 590 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 531.50 Rock Type: IGNEOUS
Core: 33 Sample Midpoint(m) : 532.08 Sect/Pc #: 1/PCE 1
ROCK = OL-PYRITE-PLAG MOD PHYRIC BASALT
DOLERITE-BASALT;
Texture: MOD PHYRIC,OPHITIC,SUBOPHITIC*
Phenocrysts- OLIVINE ( 3%)
ALTERED;
PLAGIOCLASE ( 1%)
Groundmass - PLAGIOCLASE (30-40%)
PYROXENE (50-60%)
MAGNETITE ( 1%)
Alteration - SMECTITE
Replacing: PHENOS
CHLORITE
Replacing: PHENOS
CARBONATE
Location: GROUNDMASS Replacing: PHENOS
Leg : 38 Top/Bottom Interval(mm): 1020/1050 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 531.50 Rock Type: IGNEOUS
Core: 33 Sample Midpoint(m) : 532.53 Sect/Pc #: 1/PCE 10
ROCK = PYRITE-OL-PLAG MOD PHYRIC BASALT
CHLORITIZED;
Texture: MOD PHYRIC,SUBOPHITIC*
Phenocrysts- OLIVINE ( 2%)
ALTERED;
PLAGIOCLASE ( 1%)
Groundmass - PLAGIOCLASE (35-40%)
Size(mm): .1-1 Morphology: SKELETAL
PYROXENE (40-50%)
Morphology: BRANCHING
MAGNETITE ( 1%)
Alteration - SMECTITE
Location: GROUNDMASS Replacing: PHENOS
CHLORITE
Location: GROUNDMASS Replacing: PHENOS
Leg : 38 Top/Bottom Interval(mm): 1020/1051 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 531.50 Rock Type: IGNEOUS
Core: 33 Sample Midpoint(m) : 532.54 Sect/Pc #: 1/
ROCK = BASALT*
Groundmass - OLIVINE ( 3%)
PYROXENE ( 48%)
PLAGIOCLASE ( 37%)
IRON ORE ( 7%)
ALTERED GLASS ( 5%)
PLUS MESOSTASIS, % BY MODAL ANALYSES*
Leg : 38 Top/Bottom Interval(mm): 1080/1090 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 531.50 Rock Type: IGNEOUS
Core: 33 Sample Midpoint(m) : 532.59 Sect/Pc #: 1/
ROCK = MOD PHYRIC BASALT
HYALOBASALT;
Texture: VARIOLITIC,TRACHYTOID,ALTERED GLASSY
ALTERED GLASSY MAKES UP 30% OF TEXTURE*
Phenocrysts- PHENOCRYSTS ( 3%)
Size(mm): <.5
Groundmass - PLAGIOCLASE (30-35%)
Morphology: SKELETAL
PYROXENE (30-35%)
OPAQUE MINERALS ( 1%)
INCLUDES MAGN+ILMENITE*
Alteration - SMECTITE
Location: GROUNDMASS Replacing: PHENOS
CHLORITE
Location: GROUNDMASS Replacing: PHENOS
CARBONATE
Replacing: PHENOS
Leg : 38 Top/Bottom Interval(mm): 1260/1290 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 531.50 Rock Type: IGNEOUS
Core: 33 Sample Midpoint(m) : 532.78 Sect/Pc #: 1/PCE 14
ROCK = BASALT;
Texture: VARIOLITIC*
Leg : 38 Top/Bottom Interval(mm): 1450/1480 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 531.50 Rock Type: IGNEOUS
Core: 33 Sample Midpoint(m) : 532.97 Sect/Pc #: 1/PCE 18
ROCK = OL MOD PHYRIC BASALT;
Texture: SUBOPHITIC*
Phenocrysts- OLIVINE ( 3%)
ALTERED*
Groundmass - PLAGIOCLASE (40-45%)
PYROXENE (40-50%)
Morphology: BRANCHING VARIOLITIC
MAGNETITE ( 1%)
Alteration - SMECTITE
Location: GROUNDMASS Replacing: PHENOS
CHLORITE
Location: GROUNDMASS Replacing: PHENOS
ALBITE
Location: GROUNDMASS Replacing: PHENOS
Leg : 38 Top/Bottom Interval(mm): 20/ 50 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 531.50 Rock Type: IGNEOUS
Core: 33 Sample Midpoint(m) : 533.03 Sect/Pc #: 2/PCE 1
ROCK = OL-PLAG MOD PHYRIC BASALT
DOLERITE-BASALT;
Texture: MOD PHYRIC*
Phenocrysts- OLIVINE ( 3%)
ALTERED;
PLAGIOCLASE ( 1%)
Groundmass - PLAGIOCLASE (40-45%)
Size(mm): .1-1
PYROXENE (40-50%)
MAGNETITE ( 1-2%)
Alteration - SMECTITE
Location: GROUNDMASS Replacing: PHENOS
CHLORITE
Replacing: PHENOS
CARBONATE
Replacing: PHENOS
Leg : 38 Top/Bottom Interval(mm): 610/ 630 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 531.50 Rock Type: IGNEOUS
Core: 33 Sample Midpoint(m) : 533.62 Sect/Pc #: 2/PCE 9
ROCK = BASALT
DOLERITE-BASALT;
Alteration - SMECTITE
Replacing: PHENOS
Leg : 38 Top/Bottom Interval(mm): 880/ 910 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 531.50 Rock Type: IGNEOUS
Core: 33 Sample Midpoint(m) : 533.90 Sect/Pc #: 2/PCE 13
ROCK = OL-PLAG MOD PHYRIC BASALT
DOLERITE-BASALT;
Texture: MOD PHYRIC,SUBOPHITIC*
Phenocrysts- OLIVINE ( 3%)
Size(mm): <.5
ALTERED;
PLAGIOCLASE ( 1%)
Groundmass - PLAGIOCLASE (35-40%)
Size(mm): .1-2
PYROXENE (45-50%)
Morphology: BRANCHING
MAGNETITE ( 1-2%)
Alteration - SMECTITE
Replacing: PHENOS
CHLORITE
Replacing: PHENOS
ALBITE
Replacing: PHENOS
PYRITE
Location: VEINS
Leg : 38 Top/Bottom Interval(mm): 910/ 950 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 531.50 Rock Type: IGNEOUS
Core: 33 Sample Midpoint(m) : 533.93 Sect/Pc #: 2/PCE 13
ROCK = OL-PLAG MOD PHYRIC BASALT
SAME AS 33-2-88-91;
Leg : 38 Top/Bottom Interval(mm): 1430/1460 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 531.50 Rock Type: IGNEOUS
Core: 33 Sample Midpoint(m) : 534.45 Sect/Pc #: 2/PCE 20
ROCK = OL-PLAG-PYRITE MOD PHYRIC BASALT
DOLERITE-BASALT;
Texture: MOD PHYRIC,SUBOPHITIC*
Phenocrysts- OLIVINE ( 3%)
Size(mm): <.5
ALTERED;
PLAGIOCLASE ( 1%)
PYRITE
Groundmass - PLAGIOCLASE (30-35%)
Size(mm): 1 Morphology: SKELETAL
PYROXENE (45-55%)
Morphology: BRANCHING
MAGNETITE ( 1-2%)
Alteration - SMECTITE
Replacing: PHENOS
CHLORITE
Replacing: PHENOS
Leg : 38 Top/Bottom Interval(mm): 1430/1461 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 531.50 Rock Type: IGNEOUS
Core: 33 Sample Midpoint(m) : 534.45 Sect/Pc #: 2/
ROCK = BASALT*
Groundmass - OLIVINE ( 3%)
PYROXENE ( 45%)
PLAGIOCLASE ( 40%)
IRON ORE ( 8%)
ALTERED GLASS ( 7%)
PLUS MESOSTASIS, % BY MODAL ANALYSES*
Leg : 38 Top/Bottom Interval(mm): 1320/1350 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 541.00 Rock Type: IGNEOUS
Core: 34 Sample Midpoint(m) : 542.34 Sect/Pc #: 1/PCE 4
ROCK = OL PHYRIC BASALT
DOLERITE-BASALT;
Texture: PHYRIC,DOLERITIC,OPHITIC,SUBOPHITIC*
Phenocrysts- OLIVINE ( 8-10%)
Size(mm): <.5
ALTERED*
Groundmass - PLAGIOCLASE (30-35%)
Size(mm): .1-1
PYROXENE (50-60%)
Size(mm): >1
POIKILITIC PLAG IN PYX;
MAGNETITE ( 1-2%)
Alteration - SMECTITE ( 5-8%)
Replacing: PHENOS
CHLORITE
Replacing: PHENOS
Leg : 38 Top/Bottom Interval(mm): 1320/1351 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 541.00 Rock Type: IGNEOUS
Core: 34 Sample Midpoint(m) : 542.34 Sect/Pc #: 1/
ROCK = BASALT*
Groundmass - OLIVINE ( 5%)
PYROXENE ( 50%)
PLAGIOCLASE ( 42%)
IRON ORE ( 8%)
ALTERED GLASS ( 5%)
PLUS MESOSTASIS, % BY MODAL ANALYSES*
Leg : 38 Top/Bottom Interval(mm): 1460/1490 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 541.00 Rock Type: IGNEOUS
Core: 34 Sample Midpoint(m) : 542.48 Sect/Pc #: 1/PCE 5
ROCK = OL-PYRITE-PLAG MOD PHYRIC BASALT
MEDIUM-GRAINED WITH FINE-GRAINED SPOTTY STRIPS;
Texture: MOD PHYRIC,SUBOPHITIC,TRACHYTOID*
Phenocrysts- OLIVINE ( 3%)
ALTERED;
PLAGIOCLASE ( 1%)
ALTERED;
PYRITE ( 1-2%)
Groundmass - PLAGIOCLASE (40-45%)
Size(mm): .01-1
PYROXENE (40-45%)
MAGNETITE ( 1%)
Leg : 38 Top/Bottom Interval(mm): 180/ 210 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 541.00 Rock Type: IGNEOUS
Core: 34 Sample Midpoint(m) : 542.70 Sect/Pc #: 2/PCE 5
ROCK = OL-PYRITE-PLAG MOD PHYRIC BASALT
DOLERITE-BASALT;
Texture: MOD PHYRIC,OPHITIC,SUBOPHITIC*
Phenocrysts- OLIVINE ( 3%)
Size(mm): <.5
ALTERED;
PLAGIOCLASE ( 1%)
ALTERED;
PYRITE ( 2-3%)
Groundmass - PLAGIOCLASE (30-35%)
Size(mm): 1
POIKILITIC TO PYX,EXT.ANG.PERP. TO 010 =36 DEG.,
APPROX COMP AN66;
PYROXENE (45-55%)
Size(mm): .1-1
AUGITE;
MAGNETITE ( 1-2%)
Alteration - SMECTITE
Location: VEINS+GNDMASS Replacing: PHENOS
CHLORITE
Location: GROUNDMASS Replacing: PHENOS
AMPHIBOLE
Location: GROUNDMASS Replacing: PHENOS
URALITE*
Leg : 38 Top/Bottom Interval(mm): 700/ 730 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 541.00 Rock Type: IGNEOUS
Core: 34 Sample Midpoint(m) : 543.22 Sect/Pc #: 2/PCE 10
ROCK = PYRITE-OL-PLAG MOD PHYRIC BASALT
DOLERITE-BASALT;
Texture: MOD PHYRIC,DOLERITIC,SUBOPHITIC*
Phenocrysts- OLIVINE ( 2%)
ALTERED;
PLAGIOCLASE ( 1%)
ALTERED;
PYRITE ( 2-3%)
Groundmass - PLAGIOCLASE (30-35%)
PYROXENE (45-55%)
MAGNETITE ( 1%)
Alteration - SMECTITE
Replacing: PHENOS
AMPHIBOLE
Replacing: PHENOS
Vesicles -
Size(mm): .3
Percent: 1
Filling: CHLORITE
Leg : 38 Top/Bottom Interval(mm): 970/ 990 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 541.00 Rock Type: IGNEOUS
Core: 34 Sample Midpoint(m) : 543.48 Sect/Pc #: 2/
ROCK = PYRITE-OL MOD PHYRIC BASALT
AMYGDALOIDAL;
Texture: MOD PHYRIC*
Phenocrysts- OLIVINE ( 1-2%)
ALTERED;
PYRITE ( 2-3%)
Groundmass - PLAGIOCLASE (35-40%)
Size(mm): .01-1
PYROXENE (45-50%)
OPAQUE MINERALS ( 1%)
INCLUDES MAGN+ILMENITE*
Alteration - SMECTITE
Location: GROUNDMASS Replacing: PHENOS
AMPHIBOLE
Location: GROUNDMASS
Vesicles -
Size(mm): .5-2
Percent: 15
Filling: SMECTITE+CHLORI
Shape: TE
Leg : 38 Top/Bottom Interval(mm): 1040/1080 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 541.00 Rock Type: IGNEOUS
Core: 34 Sample Midpoint(m) : 543.56 Sect/Pc #: 2/PCE 14
ROCK = BASALT;
Texture: OPHITIC,SUBOPHITIC*
Groundmass - PLAGIOCLASE (35-40%)
Size(mm): .1-1
POIKILITIC PLAG IN PYX;
PYROXENE (50-60%)
Morphology: BRANCHING
Alteration - SMECTITE
Location: GROUNDMASS Replacing: PHENOS
AMPHIBOLE
Replacing: PHENOS
Vesicles -
Size(mm): .2-.5
Percent: 4
Filling: SMECTITE+CHLORI
Shape: TE
Leg : 38 Top/Bottom Interval(mm): 1070/1100 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 541.00 Rock Type: IGNEOUS
Core: 34 Sample Midpoint(m) : 543.59 Sect/Pc #: 2/PCE 14
ROCK = PYRITE-PLAG-OL MOD PHYRIC BASALT
AMYGDALOIDAL;
Texture: MOD PHYRIC,SUBOPHITIC*
Phenocrysts- OLIVINE ( 1%)
Size(mm): <.5
ALTERED;
PLAGIOCLASE ( 1%)
ALTERED;
PYRITE ( 2%)
Groundmass - PLAGIOCLASE (30-35%)
Size(mm): .1-1
POIKILITIC TO PYX;
PYROXENE (45-55%)
Morphology: BRANCHING
MAGNETITE ( 1%)
Alteration - SMECTITE
Location: GROUNDMASS Replacing: PHENOS
CHLORITE
Replacing: PHENOS
AMPHIBOLE
Replacing: PHENOS
Vesicles -
Size(mm): .2-1
Percent: 15
Filling: SMECTITE+CHLORI
Shape: TE
Leg : 38 Top/Bottom Interval(mm): 1460/1490 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 541.00 Rock Type: IGNEOUS
Core: 34 Sample Midpoint(m) : 543.98 Sect/Pc #: 2/PCE 17
ROCK = PHYRITE-PLAG-OL MOD PHYRIC BASALT
AMYGDALOIDAL;
Texture: MOD PHYRIC,OPHITIC,SUBOPHITIC*
Phenocrysts- OLIVINE ( 1%)
Size(mm): <.5
ALTERED;
PLAGIOCLASE ( 1%)
PYRITE ( 1-2%)
Groundmass - PLAGIOCLASE (35-45%)
Size(mm): .1-1
POIKILITIC IN PYX;
PYROXENE (45-50%)
Morphology: BRANCHING
MAGNETITE ( 1%)
Alteration - SMECTITE
Location: GROUNDMASS Replacing: PHENOS
CHLORITE
Location: VEINS Replacing: PHENOS
ZEOLITE
Location: GROUNDMASS
Vesicles -
Size(mm): .2-1
Percent: 10
Filling: SMECTITE
Leg : 38 Top/Bottom Interval(mm): 1460/1491 Describer: Kharin, G.
Hole: 348 Top of Core Depth(m) : 541.00 Rock Type: IGNEOUS
Core: 34 Sample Midpoint(m) : 543.98 Sect/Pc #: 2/
ROCK = BASALT*
Groundmass - OLIVINE ( TR%)
PYROXENE ( 35%)
PLAGIOCLASE ( 60%)
IRON ORE ( 5%)
ALTERED GLASS ( TR%)
PLUS MESOSTASIS, % BY MODAL ANALYSES*
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