| |
Leg : 38 Top/Bottom Interval(mm): 40/ 70 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 399.00 Rock Type: SEDIMENTARY
Core: 42 Sample Midpoint(m) : 400.56 Sect/Pc #: 2/PCE 1
ROCK = SANDSTONE
WEATHERED FRAGMENTS OF BASALT AND CHERT CEMENTED
BY CALCITE-CHLORITE-GOETHITE;
Leg : 38 Top/Bottom Interval(mm): 310/ 340 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 399.00 Rock Type: IGNEOUS
Core: 42 Sample Midpoint(m) : 400.83 Sect/Pc #: 2/PCE 2
ROCK = BASALTIC BRECCIA
ROUND FRAGMENTS OF BASALT CEMENTED BY CALCITE;
Leg : 38 Top/Bottom Interval(mm): 910/ 940 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 399.00 Rock Type: IGNEOUS
Core: 42 Sample Midpoint(m) : 401.43 Sect/Pc #: 2/
ROCK = PLAG-BIOTITE PHYRIC BASALT;
DIABASE?-DOLERITE?,ALTERED,CHLORITIZED*
Phenocrysts- PLAGIOCLASE ( 14%)
% IS FOR ALL PHENOS;
BIOTITE
ID UNCERTAIN FOR BIOTITE,CHLORITIZED*
Groundmass - PLAGIOCLASE ( 50%)
PYROXENE (40-45%)
MAGNETITE ( 2-3%)
Alteration - CHLORITE
Replacing: PHENOS
GOETHITE
Replacing: PHENOS
Vesicles -
Filling: CHLORITE
Leg : 38 Top/Bottom Interval(mm): 1040/1080 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 399.00 Rock Type: IGNEOUS
Core: 42 Sample Midpoint(m) : 401.56 Sect/Pc #: 2/PCE 11
ROCK = BASALTIC BRECCIA
ANGULAR FRAGMENTS OF ALTERED BASALT CEMENTED BY
CHLORITE AND CALCITE WITH BROWN ISOTROPIC MATRIX
(HYDROGOETHITE?);
Leg : 38 Top/Bottom Interval(mm): 1100/1120 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 399.00 Rock Type: IGNEOUS
Core: 42 Sample Midpoint(m) : 401.61 Sect/Pc #: 2/
ROCK = BASALTIC BRECCIA
ANGULAR CHLORITIZED BASALT(DIABASE?) CEMENTED BY
CHLORITE-CALCITE MATRIX*
Leg : 38 Top/Bottom Interval(mm): 1280/1300 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 399.00 Rock Type: IGNEOUS
Core: 42 Sample Midpoint(m) : 401.79 Sect/Pc #: 2/
ROCK = OL-AUGITE-PLAG MOD PHYRIC BASALT
HIGHLY ALTERED,CHLORITIZED,CALCITIZED, DIABASE?,
DOLERITE?;
Texture: MOD PHYRIC,DIABASIC*
Phenocrysts- OLIVINE ( 5%)
ALTERED;
AUGITE ( 1%)
ALTERED;
PLAGIOCLASE ( 1%)
ALTERED*
Alteration - CHLORITE
Location: GROUNDMASS Replacing: PHENOS
CARBONATE
Location: GROUNDMASS Replacing: PHENOS
CHLOROPHAEITE
Location: GROUNDMASS Replacing: PHENOS
HEMATITE
Replacing: PHENOS
Vesicles -
Size(mm): .2-.4
Percent: 10
Filling: SMEC+CHLORITE+C
Shape: HLOROPH+
Filling: CARB
Leg : 38 Top/Bottom Interval(mm): 1360/1400 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 399.00 Rock Type: IGNEOUS
Core: 42 Sample Midpoint(m) : 401.88 Sect/Pc #: 2/PCE 16
ROCK = PLAG-OL-AUGITE-BIOTITE PHYRIC BASALT
ALTERED,CHLORITIZED,CALCITIZED, DOLERITE?,
DIABASE?;
Texture: DIABASIC,SUBOPHITIC*
Phenocrysts- OLIVINE ( 3%)
ALTERED;
AUGITE ( 1%)
PLAGIOCLASE ( 6%)
SOME FRESH(2%),SOME ALTERED(4%);
BIOTITE
ID UNCERTAIN FOR BIOTITE,CHLORITIZED*
Groundmass - OLIVINE ( 2-3%)
PLAGIOCLASE (45-50%)
PYROXENE (40-45%)
MAGNETITE ( 1-2%)
Alteration - CHLORITE ( 4%)
Replacing: PHENOS
CARBONATE ( 6%)
Replacing: PHENOS
CHLOROPHAEITE
Replacing: PHENOS
HEMATITE
Replacing: PHENOS
Vesicles -
Size(mm): .5-1
Percent: 8
Filling: CHLORITE+CARBON
Shape: ATE
AMYGDULES*
Leg : 38 Top/Bottom Interval(mm): 1440/1470 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 399.00 Rock Type: IGNEOUS
Core: 42 Sample Midpoint(m) : 401.96 Sect/Pc #: 2/PCE 17
ROCK = PLAG-OL-AUGITE-BIOTITE PHYRIC BASALT
ALTERED BASALT(DOLERITE?,DIABASE?)-SAME AS 42-2-
136-140;
Leg : 38 Top/Bottom Interval(mm): 1440/1471 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 399.00 Rock Type: IGNEOUS
Core: 42 Sample Midpoint(m) : 401.96 Sect/Pc #: 2/
ROCK = BASALT*
Groundmass - OLIVINE ( 20%)
PYROXENE ( 30%)
PLAGIOCLASE ( 35%)
IRON ORE ( 10%)
ALTERED GLASS ( 5%)
PLUS MESOSTASIS,% BY MODAL ANALYSES*
Leg : 38 Top/Bottom Interval(mm): 1470/1500 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 399.00 Rock Type: IGNEOUS
Core: 42 Sample Midpoint(m) : 401.99 Sect/Pc #: 2/PCE 17
ROCK = PLAG-OL-AUGITE-BIOTITE PHYRIC BASALT
ALTERED BASALT(DOLERITE?,DIABASE?)-SAME AS 42-2-
136-140 EXCEPT POSSIBLE ORTHOCLASE PHENOS;
Leg : 38 Top/Bottom Interval(mm): 0/ 0 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 399.00 Rock Type: IGNEOUS
Core: 42 Sample Midpoint(m) : 402.10 Sect/Pc #: CC/
ROCK = OL-PLAG MOD PHYRIC BASALT
DOLERITE?,DIABASE?;
Texture: MOD PHYRIC,DIABASIC,SUBOPHITIC,INTERSERTAL*
Phenocrysts- OLIVINE ( 4%)
PLAGIOCLASE ( 1%)
Groundmass - PLAGIOCLASE (40-50%)
PYROXENE ( 40%)
MAGNETITE ( 5%)
Alteration - CHLORITE ( 2-3%)
Replacing: PHENOS
CHLORITE ( 2%)
Location: VEINS
CARBONATE ( 0-1%)
Replacing: PHENOS
CARBONATE ( 2-3%)
Location: VEINS
HEMATITE
Replacing: PHENOS
CHLOROPHAEITE ( 1%)
Location: VEINS
Vesicles -
Size(mm): .5-2
Percent: 8-9
Filling: CHLOROPH+CARB+C
Shape: HLORITE
AMYGDULES ARE 5% AND FILLED WITH CALCITE+CHLORITE*
Leg : 38 Top/Bottom Interval(mm): 1220/1250 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 409.74 Sect/Pc #: 1/PCE 5
ROCK = PLAG MOD PHYRIC BASALT
ALTERED,DOLERITE?,DIABASE?;
Texture: MOD PHYRIC,DIABASIC,SUBOPHITIC*
Phenocrysts- PLAGIOCLASE ( 7%)
Groundmass - PLAGIOCLASE ( 40%)
PYROXENE (45-50%)
MAGNETITE ( 2-3%)
Alteration - CHLORITE
Location: GROUNDMASS Replacing: PHENOS
CARBONATE
Replacing: PHENOS
Vesicles -
Size(mm): .3-3
Percent: 10-15
Filling: CHLORITE+CARB
AMYGDULES*
Leg : 38 Top/Bottom Interval(mm): 1410/1430 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 409.92 Sect/Pc #: 1/PCE 7
ROCK = AUGITE-PLAG-BIOTITE MOD PHYRIC BASALT
HIGHLY ALTERED,CHLORITIZED;
Texture: MOD PHYRIC,SUBOPHITIC*
Phenocrysts- AUGITE ( 1-2%)
ALTERED;
PLAGIOCLASE ( 1%)
ALTERED;
BIOTITE ( 0-1%)
ID UNCERTAIN FOR BIOTITE,CHLORITIZED*
Groundmass - PLAGIOCLASE ( 40%)
Size(mm): .01-.1
PYROXENE (45-50%)
MAGNETITE ( 5-7%)
Alteration - CHLORITE ( 1%)
Replacing: PHENOS+GLASS
CHLOROPHAEITE ( 1-2%)
Replacing: PHENOS
Vesicles -
Size(mm): .5-2
Percent: 15
Filling: CHLOROPH+CHLORI
Shape: TE
Leg : 38 Top/Bottom Interval(mm): 1410/1431 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 409.92 Sect/Pc #: 1/
ROCK = BASALT*
Groundmass - PYROXENE ( 45%)
PLAGIOCLASE ( 45%)
IRON ORE ( 7%)
ALTERED GLASS ( 3%)
PLUS MESOSTASIS;
OTHER ( TR%)
ACCESSORIES,% BY MODAL ANALYSES*
Leg : 38 Top/Bottom Interval(mm): 120/ 150 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 410.14 Sect/Pc #: 2/PCE 2
ROCK = PLAG-AUGITE-OL PHYRIC BASALT
CHLORITIZED,DOLERITE?;
Texture: DIABASIC,SUBOPHITIC,PHYRIC*
Phenocrysts- OLIVINE ( 1%)
ALTERED;
AUGITE ( 3%)
SOME FRESH(1%),SOME ALTERED(2%);
PLAGIOCLASE ( 6%)
SOME FRESH(1%),SOME ALTERED(5%);
BIOTITE
ID UNCERTAIN FOR BIOTITE,CHLORITIZED;
ALBITE
ID UNCERTAIN FOR ALBITE*
Groundmass - OLIVINE ( 1%)
Size(mm): .1-1
PLAGIOCLASE (45-50%)
Size(mm): TO 2-3
PYROXENE (35-40%)
MAGNETITE ( 3%)
Alteration - CHLORITE
Replacing: PHENOS
Vesicles -
Size(mm): .3-.5
Percent: 1-2
Filling: CHLORITE
Leg : 38 Top/Bottom Interval(mm): 300/ 330 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 410.32 Sect/Pc #: 2/PCE 4
ROCK = PLAG-AUGITE-OL PHYRIC BASALT
SAME AS 43-2-12-15 BUT CALCITIZED;
Leg : 38 Top/Bottom Interval(mm): 410/ 440 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 410.43 Sect/Pc #: 2/
ROCK = PLAG-AUGITE-OL PHYRIC BASALT
SAME AS 43-2-12-15*
Leg : 38 Top/Bottom Interval(mm): 430/ 460 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 410.45 Sect/Pc #: 2/
ROCK = PLAG-AUGITE-OL PHYRIC BASALT
SAME AS 43-2-12-15*
Leg : 38 Top/Bottom Interval(mm): 430/ 461 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 410.45 Sect/Pc #: 2/
ROCK = BASALT*
Groundmass - PYROXENE ( 47%)
PLAGIOCLASE ( 45%)
IRON ORE ( 5%)
ALTERED GLASS ( 3%)
PLUS MESOSTASIS;
OTHER ( TR%)
ACCESSORIES,% BY MODAL ANALYSES*
Leg : 38 Top/Bottom Interval(mm): 1150/1180 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 411.17 Sect/Pc #: 2/PCE 16
ROCK = PLAG-OL-AUGITE-BIOTITE MOD PHYRIC BASALT
ALTERED,DOLERITE?,DIABASE?,CHLORITIZED;
Texture: MOD PHYRIC,DIABASIC,SUBOPHITIC*
Phenocrysts- OLIVINE
ALTERED;
AUGITE
ALTERED;
PLAGIOCLASE ( 7%)
SOME FRESH(4%),SOME ALTERED(3%);
BIOTITE
ID UNCERTAIN FOR BIOTITE,CHLORITIZED*
GROUNDMASS SIZE .01-1MM*
Alteration - CHLORITE
Replacing: PHENOS+GLASS
CARBONATE
Replacing: PHENOS
Leg : 38 Top/Bottom Interval(mm): 430/ 450 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 411.94 Sect/Pc #: 3/PCE 5
ROCK = PLAG-AUGITE-OL PHYRIC BASALT
ALTERED,DOLERITE?,DIABASE?;
Texture: PHYRIC,DIABASIC,SUBOPHITIC*
Phenocrysts- PLAGIOCLASE ( 7%)
SOME FRESH(5%),SOME ALTERED(2%);
AUGITE ( 2%)
SOME FRESH(1%),SOME ALTERED(1%);
OLIVINE ( 1%)
ALTERED*
Groundmass - OLIVINE ( 5%)
PLAGIOCLASE ( 50%)
PYROXENE ( 40%)
MAGNETITE ( 2%)
Alteration - CHLORITE
Location: VEINS+GNDMASS Replacing: PHENOS
Leg : 38 Top/Bottom Interval(mm): 530/ 560 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 412.05 Sect/Pc #: 3/PCE 7
ROCK = PLAG PHYRIC BASALT
ALTERED,CHLORITIZED,DOLERITE?,DIABASE?;
Texture: DIABASIC,SUBOPHITIC*
Phenocrysts- PLAGIOCLASE ( 15%)
Groundmass - PLAGIOCLASE ( 50%)
PYROXENE (30-35%)
MAGNETITE ( 2%)
Alteration - CHLORITE
Location: VEINS Replacing: PHENOS
Vesicles -
Filling: CHLORITE
Leg : 38 Top/Bottom Interval(mm): 990/1020 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 412.51 Sect/Pc #: 3/PCE 13
ROCK = PLAG MOD PHYRIC BASALT
ALTERED,DOLERITE?,DIABASE?;
Texture: MOD PHYRIC,DIABASIC,SUBOPHITIC*
Phenocrysts- PLAGIOCLASE ( 2%)
Groundmass - OLIVINE ( 1-2%)
PLAGIOCLASE ( 45%)
PYROXENE ( 50%)
MAGNETITE ( 3-5%)
Alteration - SMECTITE
Replacing: PHENOS
CHLORITE
Location: GNDMASS+VEINS
Vesicles -
Size(mm): .3-3
Percent: 10
Leg : 38 Top/Bottom Interval(mm): 1080/1110 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 412.60 Sect/Pc #: 3/PCE 14
ROCK = PLAG-AUGITE-OL PHYRIC BASALT
CHLORITIZED,DOLERITE?,DIABASE?;
Texture: PHYRIC,DOLERITIC,SUBOPHITIC,TRACHYTOID*
Phenocrysts- OLIVINE ( 0-1%)
ALTERED,ID UNCERTAIN FOR OL;
AUGITE ( 1-2%)
PLAGIOCLASE ( 12%)
SOME FRESH(10%),SOME ALTERED(2%);
BIOTITE
ID UNCERTAIN FOR BIOTITE,CHLORITIZED*
Groundmass - OLIVINE ( 1%)
PLAGIOCLASE (40-45%)
PYROXENE (40-50%)
MAGNETITE ( 2-3%)
Alteration - CHLORITE
Replacing: PHENOS
GOETHITE
Replacing: PHENOS
Vesicles -
Size(mm): .5-1
Percent: 1
Filling: CHLORITE
Leg : 38 Top/Bottom Interval(mm): 1080/1111 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 412.60 Sect/Pc #: 3/
ROCK = BASALT*
Groundmass - OLIVINE ( TR%)
PYROXENE ( 45%)
PLAGIOCLASE ( 45%)
IRON ORE ( 5%)
ALTERED GLASS ( 5%)
PLUS MESOSTASIS;
OTHER ( TR%)
ACCESSORIES,% BY MODAL ANALYSES*
Leg : 38 Top/Bottom Interval(mm): 400/ 430 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 413.42 Sect/Pc #: 4/PCE 5
ROCK = PLAG-BIOTITE-OL-AUGITE PHYRIC BASALT
ALTERED,DOLERITE?,DIABASE?;
Texture: PHYRIC,DIABASIC,SUBOPHITIC*
Phenocrysts- PLAGIOCLASE ( 8%)
SOME FRESH(5%),SOME ALTERED(3%);
BIOTITE ( 3%)
ID UNCERTAIN FOR BIOTITE,CHLORITIZED;
OLIVINE ( 1-2%)
ALTERED;
AUGITE ( 1%)
Groundmass - OLIVINE ( 2%)
PLAGIOCLASE (40-45%)
PYROXENE (45-50%)
MAGNETITE ( 2-3%)
Alteration - CHLORITE
Location: GROUNDMASS Replacing: PHENOS
CARBONATE
Replacing: PHENOS
Vesicles -
Filling: CHLORITE
AMYGDULES*
Leg : 38 Top/Bottom Interval(mm): 540/ 570 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 413.56 Sect/Pc #: 4/PCE 7
ROCK = PLAG-BIOTITE-OL-AUGITE PHYRIC BASALT
SAME AS 43-4-40-43 BUT MORE ABUNDANT CHLORITE
AMYGDULES;
Leg : 38 Top/Bottom Interval(mm): 790/ 820 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 413.81 Sect/Pc #: 4/PCE 11
ROCK = PLAG-BIOTITE-OL-AUGITE PHYRIC BASALT
SAME AS 43-4-40-43;
Leg : 38 Top/Bottom Interval(mm): 1000/1030 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 414.02 Sect/Pc #: 4/PCE 14
ROCK = PLAG-AUGITE-OL-BIOTITE PHYRIC BASALT
ALTERED,DOLERITE?,DIABASE?;
Texture: PHYRIC,DIABASIC,SUBOPHITIC*
Phenocrysts- PLAGIOCLASE ( 7%)
SOME FRESH(6%),SOME ALTERED(1%);
AUGITE ( 2%)
OLIVINE ( 1%)
ALTERED
BIOTITE
ID UNCERTAIN FOR BIOTITE,CHLORITIZED*
Groundmass - PLAGIOCLASE (40-45%)
Size(mm): .1-1
PYROXENE (45-50%)
MAGNETITE ( 2-3%)
Alteration - CHLORITE ( 10%)
Replacing: PHENOS
CHLOROPHAEITE
Replacing: PHENOS
Vesicles -
Size(mm): .3-5
Percent: 10
Filling: CHLORITE+CHLORO
Shape: PH
Leg : 38 Top/Bottom Interval(mm): 1000/1031 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 414.02 Sect/Pc #: 4/
ROCK = BASALT*
Groundmass - OLIVINE ( 1%)
PYROXENE ( 48%)
PLAGIOCLASE ( 43%)
IRON ORE ( 7%)
ALTERED GLASS ( 1%)
PLUS MESOSTASIS;
OTHER ( TR%)
ACCESSORIES,% BY MODAL ANALYSES*
Leg : 38 Top/Bottom Interval(mm): 1300/1320 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: METAMORPHIC
Core: 43 Sample Midpoint(m) : 414.31 Sect/Pc #: 4/
ROCK = BASALTIC MYLONITE
HIGHLY CHLORITIZED,CALCITIZED,MYLONIZATION*
Leg : 38 Top/Bottom Interval(mm): 1380/1410 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: METAMORPHIC
Core: 43 Sample Midpoint(m) : 414.40 Sect/Pc #: 4/PCE 22
ROCK = BASALTIC MYLONITE
SAME AS 43-4-130-132;
Alteration - CHLORITE
Location: VEINS
Vesicles -
Filling: CHLORITE
Leg : 38 Top/Bottom Interval(mm): 0/ 0 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 408.50 Rock Type: IGNEOUS
Core: 43 Sample Midpoint(m) : 414.60 Sect/Pc #: CC/
ROCK = OL-PLAG-AUGITE PHYRIC BASALT
HIGHLY CHLORITIZED,CALCITIZED;
Texture: PHYRIC,SUBOPHITIC*
Phenocrysts- OLIVINE ( 5%)
ALTERED;
AUGITE ( 1%)
ALTERED;
PLAGIOCLASE ( 3%)
ALTERED*
Groundmass - PLAGIOCLASE (50-60%)
PYROXENE (35-40%)
MAGNETITE ( 5%)
Alteration - CHLORITE
Replacing: PHENOS
CARBONATE
Replacing: PHENOS
HEMATITE
Replacing: PHENOS
Vesicles -
Size(mm): .5-2
Percent: 5
Filling: CHLORITE+CARB
Leg : 38 Top/Bottom Interval(mm): 150/ 170 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 418.00 Rock Type: METAMORPHIC
Core: 44 Sample Midpoint(m) : 418.16 Sect/Pc #: 1/
ROCK = BASALTIC MYLONITE
HIGHLY CHLORITIZED;
Phenocrysts- BIOTITE
ID UNCERTAIN FOR BIOTITE,CHLORITIZED,GOETHITIZED;
PLAGIOCLASE
CHLORITIZED*
Alteration - CHLORITE
Location: VEINS
Vesicles -
Filling: CHLORITE
AMYGDULES*
Leg : 38 Top/Bottom Interval(mm): 1350/1380 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 418.00 Rock Type: IGNEOUS
Core: 44 Sample Midpoint(m) : 419.37 Sect/Pc #: 1/PCE 26
ROCK = PLAG-AUGITE-OL PHYRIC DIABASE
CHLORITIZED,DOLERITE?;
Texture: PHYRIC,DIABASIC,SUBOPHITIC*
Phenocrysts- PLAGIOCLASE ( 7%)
ALTERED;
AUGITE ( 2%)
OLIVINE ( 1%)
ALTERED*
Groundmass - PLAGIOCLASE ( 50%)
PYROXENE (35-40%)
MAGNETITE ( 5%)
Alteration - CHLORITE
Location: GROUNDMASS Replacing: PHENOS
GOETHITE
Replacing: PHENOS
Vesicles -
Filling: CHLORITE
Leg : 38 Top/Bottom Interval(mm): 650/ 680 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 418.00 Rock Type: IGNEOUS
Core: 44 Sample Midpoint(m) : 420.17 Sect/Pc #: 2/PCE 10
ROCK = PLAG-AUGITE-OL MOD PHYRIC BASALT
CHLORITIZED;
Texture: MOD PHYRIC,DOLERITIC,SUBOPHITIC*
Phenocrysts- PLAGIOCLASE ( 2%)
ALTERED;
AUGITE ( 1-2%)
OLIVINE ( 0-1%)
ALTERED*
Groundmass - PLAGIOCLASE (45-50%)
PYROXENE (35-40%)
MAGNETITE ( 3%)
Alteration - CHLORITE ( 1%)
Replacing: PHENOS
CHLORITE
Location: VEINS
Vesicles -
Filling: CHLORITE
Leg : 38 Top/Bottom Interval(mm): 650/ 681 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 418.00 Rock Type: IGNEOUS
Core: 44 Sample Midpoint(m) : 420.17 Sect/Pc #: 2/
ROCK = BASALT*
Groundmass - OLIVINE ( TR%)
PYROXENE ( 42%)
PLAGIOCLASE ( 48%)
IRON ORE ( 6%)
ALTERED GLASS ( 4%)
PLUS MESOSTASIS;
OTHER ( TR%)
ACCESSORIES,% BY MODAL ANALYSES*
Leg : 38 Top/Bottom Interval(mm): 760/ 790 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 418.00 Rock Type: IGNEOUS
Core: 44 Sample Midpoint(m) : 420.28 Sect/Pc #: 2/PCE 11
ROCK = BASALT
HIGHLY CHLORITIZED,DOLERITE?,DIABASE?;
Leg : 38 Top/Bottom Interval(mm): 840/ 870 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 418.00 Rock Type: IGNEOUS
Core: 44 Sample Midpoint(m) : 420.36 Sect/Pc #: 2/PCE 12
ROCK = AUGITE-PLAG-BIOTITE MOD PHYRIC BASALT
CHLORITIZED,DOLERITE?,DIABASE?;
Texture: MOD PHYRIC,DIABASIC,SUBOPHITIC*
Phenocrysts- AUGITE ( 3%)
PLAGIOCLASE ( 2%)
ALTERED;
BIOTITE
CHLORITIZED*
Groundmass - PLAGIOCLASE (40-50%)
Size(mm): .1-1
PYROXENE (40-50%)
MAGNETITE ( 3%)
Alteration - CHLORITE
Location: VEINS Replacing: PHENOS
Vesicles -
Filling: CHLORITE
Leg : 38 Top/Bottom Interval(mm): 400/ 430 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 418.00 Rock Type: IGNEOUS
Core: 44 Sample Midpoint(m) : 421.42 Sect/Pc #: 3/PCE 7
ROCK = PLAG-CPX MOD PHYRIC BASALT
CHLORITIZED,DOLERITE?,DIABASE?,
Texture: MOD PHYRIC,DIABASIC,SUBOPHITIC*
Phenocrysts- CLINOPYROXENE ( 3%)
PLAGIOCLASE ( 4%)
ALTERED*
Groundmass - PLAGIOCLASE (50-55%)
Size(mm): .1-1
PYROXENE ( 30%)
MAGNETITE ( 3%)
Alteration - CHLORITE
Location: VEINS Replacing: PHENOS
CARBONATE
Replacing: PHENOS
CHLORITE ( 20%)
Location: GROUNDMASS
Vesicles -
Filling: CHLORITE
Leg : 38 Top/Bottom Interval(mm): 480/ 510 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 418.00 Rock Type: IGNEOUS
Core: 44 Sample Midpoint(m) : 421.50 Sect/Pc #: 3/PCE 8
ROCK = PLAG-AUGITE-OL MOD PHYRIC BASALT
CHLORITIZED,DOLERITE?,DIABASE?;
Texture: MOD PHYRIC*
Phenocrysts- PLAGIOCLASE ( 3%)
AUGITE ( 2%)
OLIVINE ( 1%)
ALTERED*
Groundmass - PLAGIOCLASE (40-45%)
PYROXENE (40-45%)
MAGNETITE ( 5%)
Alteration - CHLORITE
Location: GROUNDMASS Replacing: PHENOS
CARBONATE
Replacing: PHENOS
GOETHITE
Replacing: PHENOS
Vesicles -
Size(mm): .3-1
Percent: 3
Filling: CHLORITE
Leg : 38 Top/Bottom Interval(mm): 480/ 511 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 418.00 Rock Type: IGNEOUS
Core: 44 Sample Midpoint(m) : 421.50 Sect/Pc #: 3/
ROCK = BASALT*
Groundmass - OLIVINE ( 20%)
PYROXENE ( 30%)
PLAGIOCLASE ( 30%)
IRON ORE ( 10%)
ALTERED GLASS
PLUS MESOSTASIS;
OTHER ( TR%)
ACCESSORIES,% BY MODAL ANALYSES*
Leg : 38 Top/Bottom Interval(mm): 530/ 560 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 418.00 Rock Type: IGNEOUS
Core: 44 Sample Midpoint(m) : 421.55 Sect/Pc #: 3/
ROCK = PLAG-AUGITE PHYRIC BASALT
CHLORITIZED,DOLERITE?;
Texture: DIABASIC,SUBOPHITIC,TRACHYTOID*
Phenocrysts- PLAGIOCLASE ( 12%)
SOME FRESH(10%),SOME ALTERED(2%),GLOMEROPHYRIC;
AUGITE ( 3%)
Groundmass - PLAGIOCLASE ( 50%)
Size(mm): .1-1
PYROXENE (30-35%)
MAGNETITE ( 3%)
Alteration - CHLORITE
Replacing: PHENOS
Leg : 38 Top/Bottom Interval(mm): 830/ 860 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 418.00 Rock Type: IGNEOUS
Core: 44 Sample Midpoint(m) : 421.85 Sect/Pc #: 3/PCE 16
ROCK = PLAG-CPX-OL MOD PHYRIC DIABASE
CHLORITIZED,DOLERITE;
Texture: MOD PHYRIC*
Phenocrysts- PLAGIOCLASE ( 5%)
ALTERED;
CLINOPYROXENE ( 1%)
OLIVINE ( 1%)
ALTERED*
Groundmass - OLIVINE ( 1%)
PLAGIOCLASE ( 50%)
PYROXENE (45-50%)
MAGNETITE ( 5%)
Alteration - CHLORITE
Location: VEINS Replacing: PHENOS
GOETHITE
Replacing: PHENOS
Vesicles -
Size(mm): .2-1
Percent: 2
Filling: CHLORITE+CARB
Leg : 38 Top/Bottom Interval(mm): 910/ 930 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 418.00 Rock Type: IGNEOUS
Core: 44 Sample Midpoint(m) : 421.92 Sect/Pc #: 3/PCE 17
ROCK = PLAG-AUGITE-BIOTITE-OL PHYRIC DIABASE
CHLORITIZED,DOLERITE?;
Texture: PHYRIC*
Phenocrysts- OLIVINE ( 1%)
ALTERED;
AUGITE ( 5%)
SOME FRESH(2%),SOME ALTERED(3%);
PLAGIOCLASE ( 7%)
BIOTITE ( 2-3%)
CHLORITIZED*
Groundmass - PLAGIOCLASE ( 50%)
PYROXENE (30-40%)
MAGNETITE ( 3%)
Vesicles -
Percent: 3
Filling: CHLORITE+CARB
Leg : 38 Top/Bottom Interval(mm): 1430/1460 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 418.00 Rock Type: IGNEOUS
Core: 44 Sample Midpoint(m) : 422.45 Sect/Pc #: 3/PCE 26
ROCK = PLAG-BIOTITE-AUGITE-OL PHYRIC DOLERITE
CHLORITIZED,BASALT?;
Texture: DIABASIC,PHYRIC,SUBOPHITIC,TRACHYTOID*
Phenocrysts- PLAGIOCLASE ( 11%)
SOME FRESH(1%),SOME ALTERED(10%);
OLIVINE ( 1%)
ALTERED;
AUGITE ( 2%)
FRESH;
BIOTITE ( 5%)
ID UNCERTAIN FOR BIOTITE,CHLORITIZED*
Groundmass - OLIVINE ( 1%)
PLAGIOCLASE (50-55%)
PYROXENE ( 40%)
MAGNETITE ( 2-3%)
Alteration - CHLORITE
Location: GROUNDMASS Replacing: PHENOS
Vesicles -
Size(mm): .2-1
Percent: 1
Filling: CHLORITE+CARB
Leg : 38 Top/Bottom Interval(mm): 850/ 910 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 427.50 Rock Type: IGNEOUS
Core: 45 Sample Midpoint(m) : 428.38 Sect/Pc #: 1/PCE 8
ROCK = PLAG-AUGITE-OL-BIOTITE PHYRIC DOLERITE
ALTERED,CHLORITIZED,DIABASE?;
Texture: PHYRIC*
Phenocrysts- OLIVINE ( 1%)
ALTERED;
AUGITE ( 4%)
SOME FRESH(2%),SOME ALTERED(2%);
PLAGIOCLASE ( 10%)
SOME FRESH(5%),SOME ALTERED(5%);
BIOTITE
CHLORITIZED*
Groundmass - OLIVINE ( 1%)
PLAGIOCLASE ( 50%)
PYROXENE (35-40%)
ILMENITE ( 3%)
Alteration - CHLORITE
Location: VEINS Replacing: PHENOS+GLASS
GOETHITE
Replacing: PHENOS
LEUCOXENE
Location: VEINS Replacing: PHENOS
ID UNCERTAIN FOR LEUCOXENE*
Vesicles -
Size(mm): .2-1
Percent: 1
Leg : 38 Top/Bottom Interval(mm): 920/ 950 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 427.50 Rock Type: IGNEOUS
Core: 45 Sample Midpoint(m) : 428.44 Sect/Pc #: 1/PCE 8
ROCK = PLAG-AUGITE-OL PHYRIC BASALT
ALTERED,CHLORITIZED,DOLERITE?,DIABASE?;
Texture: DIABASIC,SUBOPHITIC*
Phenocrysts- OLIVINE ( 2%)
ALTERED;
AUGITE ( 4%)
SOME FRESH(2%),SOME ALTERED(2%);
PLAGIOCLASE ( 4%)
SOME FRESH(1%),SOME ALTERED(3%)*
Groundmass - OLIVINE ( 1%)
PLAGIOCLASE ( 40%)
PYROXENE (40-45%)
MAGNETITE ( 3%)
Alteration - SMECTITE
Location: GROUNDMASS Replacing: PHENOS
CHLORITE
Location: GNDMASS+VEINS Replacing: PHENOS
Vesicles -
Filling: CHLORITE
Leg : 38 Top/Bottom Interval(mm): 920/ 951 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 427.50 Rock Type: IGNEOUS
Core: 45 Sample Midpoint(m) : 428.44 Sect/Pc #: 1/
ROCK = BASALT*
Groundmass - OLIVINE ( 3%)
PYROXENE ( 45%)
PLAGIOCLASE ( 43%)
IRON ORE ( 6%)
ALTERED GLASS ( 3%)
PLUS MESOSTASIS;
OTHER ( TR%)
ACCESSORIES,% BY MODAL ANALYSES*
Leg : 38 Top/Bottom Interval(mm): 1270/1300 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 427.50 Rock Type: IGNEOUS
Core: 45 Sample Midpoint(m) : 428.79 Sect/Pc #: 1/PCE 16
ROCK = PLAG-CPX-BIOTITE PHYRIC BASALT
ALTERED,CHLORITIZED,DOLERITE?,DIABASE?;
Texture: PHYRIC,SUBOPHITIC*
Phenocrysts- CLINOPYROXENE ( 2%)
ALTERED;
PLAGIOCLASE ( 8%)
ALTERED;
BIOTITE
ID UNCERTAIN FOR BIOTITE,CHLORITIZED*
Groundmass - PLAGIOCLASE (45-55%)
PYROXENE (35-40%)
MAGNETITE ( 2-3%)
Alteration - CHLORITE ( 8%)
Replacing: PHENOS
CHLOROPHAEITE ( 2%)
CHLORITE
Location: GROUNDMASS
CHLOROPHAEITE
Location: GROUNDMASS
Vesicles -
Percent: 0-1
Filling: CHLORITE+CHLORO
Shape: PH
AMYGDULES*
Leg : 38 Top/Bottom Interval(mm): 1310/1330 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 427.50 Rock Type: IGNEOUS
Core: 45 Sample Midpoint(m) : 428.82 Sect/Pc #: 1/
ROCK = PLAG-CPX-OL-BIOTITE PHYRIC DOLERITE
CHLORITIZED;
Texture: DIABASIC,SUBOPHITIC,PHYRIC*
Phenocrysts- OLIVINE ( 1%)
ALTERED;
CLINOPYROXENE ( 5%)
SOME FRESH(3%),SOME ALTERED(2%);
PLAGIOCLASE ( 9%)
SOME FRESH(3%),SOME ALTERED(6%);
BIOTITE
ID UNCERTAIN FOR BIOTITE,CHLORITIZED*
Groundmass - OLIVINE ( 2%)
PLAGIOCLASE ( 50%)
PYROXENE (30-35%)
MAGNETITE ( 3%)
Alteration - CHLORITE
Replacing: PHENOS
GOETHITE
Replacing: PHENOS
Vesicles -
Size(mm): .2-.5
Percent: 1-2
Filling: CHLORITE
Leg : 38 Top/Bottom Interval(mm): 470/ 500 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 427.50 Rock Type: IGNEOUS
Core: 45 Sample Midpoint(m) : 429.49 Sect/Pc #: 2/PCE 7
ROCK = PLAG-PYX-OL-BIOTITE PHYRIC DOLERITE
CHLORITIZED,BASALT?;
Texture: PHYRIC*
Phenocrysts- OLIVINE ( 1%)
ALTERED;
PYROXENE ( 3%)
ALTERED;
PLAGIOCLASE ( 8%)
SOME FRESH(6%),SOME ALTERED(2%);
BIOTITE
ID UNCERTAIN FOR BIOTITE,CHLORITIZED*
Groundmass - OLIVINE ( 1%)
PLAGIOCLASE (30-35%)
MAGNETITE ( 3%)
Alteration - CHLORITE
Location: VEINS Replacing: PHENOS
Leg : 38 Top/Bottom Interval(mm): 560/ 590 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 427.50 Rock Type: IGNEOUS
Core: 45 Sample Midpoint(m) : 429.58 Sect/Pc #: 2/PCE 8
ROCK = PYX-PLAG-BIOTITE-OL PHYRIC BASALT
CHLORITIZED,DOLERITE?;
Texture: PHYRIC*
Phenocrysts- OLIVINE ( 1%)
ALTERED;
AUGITE ( 3%)
SOME FRESH(2%),SOME ALTERED(1%);
PLAGIOCLASE ( 2%)
BIOTITE ( 2%)
ID UNCERTAIN FOR BIOTITE,CHLORITIZED*
Groundmass - PLAGIOCLASE (50-55%)
PYROXENE (30-40%)
MAGNETITE ( 3%)
Alteration - CHLORITE
Replacing: PHENOS
GOETHITE
Replacing: PHENOS
IDDINGSITE
Replacing: PHENOS
Leg : 38 Top/Bottom Interval(mm): 1280/1310 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 427.50 Rock Type: IGNEOUS
Core: 45 Sample Midpoint(m) : 430.30 Sect/Pc #: 2/PCE 20
ROCK = PLAG-AUGITE-OL-BIOTITE MOD PHYRIC DOLERITE
CHLORITIZED,BASALT?;
Texture: MOD PHYRIC,DIABASIC,SUBOPHITIC*
Phenocrysts- OLIVINE ( 1%)
ALTERED;
AUGITE ( 2%)
ALTERED;
PLAGIOCLASE ( 4%)
SOME FRESH(2%),SOME ALTERED(2%);
BIOTITE
ID UNCERTAIN FOR BIOTITE,CHLORITIZED*
Groundmass - OLIVINE ( 2%)
PLAGIOCLASE (50-55%)
PYROXENE (40-45%)
MAGNETITE ( 3-5%)
Alteration - CHLORITE
Replacing: PHENOS
Leg : 38 Top/Bottom Interval(mm): 1280/1311 Describer: Kharin, G.
Hole: 338 Top of Core Depth(m) : 427.50 Rock Type: IGNEOUS
Core: 45 Sample Midpoint(m) : 430.30 Sect/Pc #: 2/
ROCK = BASALT*
Groundmass - OLIVINE ( 1%)
PYROXENE ( 43%)
PLAGIOCLASE ( 50%)
IRON ORE ( 5%)
ALTERED GLASS ( 1%)
PLUS MESOSTASIS;
OTHER ( TR%)
ACCESSORIES,% BY MODAL ANALYSES*
These Web pages are from the Core Data from the Deep Sea Drilling Project Legs 1-96 CD-ROM produced in 2000 by the U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Geophysical Data Center, and collocated World Data Center for Marine Geology and Geophysics, Boulder. Data were compiled in cooperation with the U.S. Science Support Program, the Joint Oceanographic Institutions, Inc., and the U.S. National Science Foundation. Please see the NGDC privacy, disclaimer, and copyright notices.
questions to: carla.j.moore@noaa.gov
Introduction