Leg : 38 Top/Bottom Interval(mm): 730/ 750 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 359.50 Rock Type: IGNEOUS Core: 14 Sample Midpoint(m) : 361.74 Sect/Pc #: 2/ ROCK = OL-PLAG MOD PHYRIC BASALT HIGHLY ALTERED(ALBITIZED,CHLORITIZED, CARBONATIZED); Texture: MOD PHYRIC,HYALO-OPHITIC,TRACHYTOID,GLASSY CLEAR ALTERED GLASSY MAKES UP 30% OF TEXTURE* Phenocrysts- OLIVINE ( 3%) ALTERED; PLAGIOCLASE ( 2%) ALTERED* Groundmass - OLIVINE ( 5%) Size(mm): .01-1 PLAGIOCLASE ( 40%) GLOMEROPHYRIC CLUSTERS; PYROXENE ( 20%) ID UNCERTAIN FOR PYX; OPAQUE MINERALS ( 2%) INCLUDES MAGN+ILMENITE* Alteration - CHLORITE Location: GROUNDMASS Replacing: PHENOS ALBITE Location: GROUNDMASS Replacing: PHENOS CARBONATE Location: GROUNDMASS Replacing: PHENOS ZEOLITE Location: GROUNDMASS Replacing: PHENOS SPHENE Location: GROUNDMASS Replacing: PHENOS ID UNCERTAIN FOR SPHENE* Vesicles - Size(mm): .3 Percent: 2 Filling: CHLORITE+CARB+Z Shape: EOLITE Leg : 38 Top/Bottom Interval(mm): 900/ 930 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 359.50 Rock Type: IGNEOUS Core: 14 Sample Midpoint(m) : 361.92 Sect/Pc #: 2/PCE 2 ROCK = BASALTIC BRECCIA ANGULAR FRAGMENTS OF CARBONATIZED ROCK(BASALT); Leg : 38 Top/Bottom Interval(mm): 1080/1100 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 359.50 Rock Type: IGNEOUS Core: 14 Sample Midpoint(m) : 362.09 Sect/Pc #: 2/PCE 3 ROCK = TUFF BRECCIA CALCITIZED TUFF BRECCIA WITH SMALL ANGULAR AND ROUND FRAGMENTS OF BASALT,ZEOLITES,CHLORITE AND PALAGONITE; Leg : 38 Top/Bottom Interval(mm): 1420/1450 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 359.50 Rock Type: IGNEOUS Core: 14 Sample Midpoint(m) : 362.44 Sect/Pc #: 2/PCE 6 ROCK = BASALTIC BRECCIA BRECCIA WITH COARSE FRAGMENTS OF BASALT AND ROUND FRAGMENTS OF PALAGONITE AND XTLS OF PLAG; Leg : 38 Top/Bottom Interval(mm): 180/ 210 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 359.50 Rock Type: IGNEOUS Core: 14 Sample Midpoint(m) : 362.70 Sect/Pc #: 3/PCE 3 ROCK = BASALTIC BRECCIA SAME AS 14-2-73-75; Leg : 38 Top/Bottom Interval(mm): 390/ 410 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 359.50 Rock Type: IGNEOUS Core: 14 Sample Midpoint(m) : 362.90 Sect/Pc #: 3/PCE 6 ROCK = BASALTIC BRECCIA ANGULAR FRAGMENTS OF HYALOBASALT,ROUND GRAINS OF PALAGONITE,CEMENTED BY CHLORITE,CALCITE AND SMECTITE; Leg : 38 Top/Bottom Interval(mm): 440/ 470 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 359.50 Rock Type: IGNEOUS Core: 14 Sample Midpoint(m) : 362.96 Sect/Pc #: 3/PCE 6 ROCK = BASALTIC BRECCIA SAME AS 14-3-39-41; Leg : 38 Top/Bottom Interval(mm): 840/ 870 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 359.50 Rock Type: IGNEOUS Core: 14 Sample Midpoint(m) : 363.36 Sect/Pc #: 3/PCE 12 ROCK = BASALTIC BRECCIA ANGULAR AND ROUND FRAGMENTS OF HYALOBASALT, CARBONATIZED BASALT,ISOTROPIC CLAYISH ROCK, BASALT FRAGMENTS HAVE CHLORITE-SMECTITE-ZEOLITE EDGES WITH A PALAGONITE CEMENT-ISOTROPIC ZEOLITE(?)- CALCITE; Leg : 38 Top/Bottom Interval(mm): 1350/1380 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 359.50 Rock Type: IGNEOUS Core: 14 Sample Midpoint(m) : 363.87 Sect/Pc #: 3/PCE 18 ROCK = BASALTIC BRECCIA SAME AS 14-3-84-87, CEMENT IS CALCITIZED SANDY- SILT WITH ROUND FRAGMENTS OF ISOTROPIC CLAY-FE- PYRITE(?); Leg : 38 Top/Bottom Interval(mm): 740/ 770 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 378.50 Rock Type: SEDIMENTARY Core: 16 Sample Midpoint(m) : 379.26 Sect/Pc #: 1/PCE 1 ROCK = TUFF CALCITIZED TUFF WITH SMALL PIECE OF CHLORITE- ZEOLITE,VOLCANIC GLASS,BASALT WITH XTLS AND ISOTROPIC CEMENT; Leg : 38 Top/Bottom Interval(mm): 1120/1151 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 378.50 Rock Type: IGNEOUS Core: 16 Sample Midpoint(m) : 379.64 Sect/Pc #: 1/ ROCK = BASALT* Groundmass - OLIVINE ( 3%) PYROXENE ( 40%) PLAGIOCLASE ( 42%) IRON ORE ( 10%) ALTERED GLASS ( 5%) PLUS MESOSTASIS, % BY MODAL ANALYSES* Leg : 38 Top/Bottom Interval(mm): 1120/1170 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 378.50 Rock Type: IGNEOUS Core: 16 Sample Midpoint(m) : 379.65 Sect/Pc #: 1/PCE 6 ROCK = AUGITE-OL-PLAG MOD PHYRIC BASALT DOLERITE-BASALT; Texture: MOD PHYRIC,SUBOPHITIC,TRACHYTOID* Phenocrysts- OLIVINE ( 1%) ALTERED; AUGITE ( 2%) PLAGIOCLASE ( 1%) Groundmass - OLIVINE ( 2%) PLAGIOCLASE (40-50%) Size(mm): .1-1 GLOMEROPHYRIC CLUSTERS; ORTHOPYROXENE (40-50%) Size(mm): .01-.1 Morphology: SUBHEDRAL+EUHEDRAL WITH POIKILITIC PLAG; OPAQUE MINERALS ( 5%) INCLUDES MAGN+ILMENITE* Leg : 38 Top/Bottom Interval(mm): 1140/1170 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 378.50 Rock Type: IGNEOUS Core: 16 Sample Midpoint(m) : 379.66 Sect/Pc #: 1/PCE 6 ROCK = AUGITE-OL-PLAG MOD PHYRIC BASALT SAME AS 16-1-112-117; Phenocrysts- PLAGIOCLASE APPROX COMP AN72* Leg : 38 Top/Bottom Interval(mm): 300/ 330 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 378.50 Rock Type: IGNEOUS Core: 16 Sample Midpoint(m) : 380.32 Sect/Pc #: 2/PCE 5 ROCK = BASALT; Groundmass - MAGNETITE ( 6%) PYROXENE Size(mm): .01-.1 TWINNED ORTHOPYX WITH POIKILITIC PLAG; PLAGIOCLASE Size(mm): .1-1 GLOMEROPHYRIC CLUSTERS* Leg : 38 Top/Bottom Interval(mm): 1150/1180 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 378.50 Rock Type: IGNEOUS Core: 16 Sample Midpoint(m) : 381.17 Sect/Pc #: 2/PCE 14 ROCK = BASALT SAME AS 16-2-30-33(DOLERITE-BASALT) BUT WITH ALBITE(?) IN AMYGDULES; Leg : 38 Top/Bottom Interval(mm): 1340/1370 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 378.50 Rock Type: IGNEOUS Core: 16 Sample Midpoint(m) : 381.36 Sect/Pc #: 2/PCE 19 ROCK = BASALT SIMILAR TO 16-2-115-118; Texture: SUBOPHITIC,TRACHYTOID,GLASSY WITH POIKILITIC PLAG* FRESH,BROWN GLASSY MAKES UP 3% OF TEXTURE* Groundmass - PLAGIOCLASE Size(mm): .1-1 GLOMEROPHYRIC CLUSTERS; ORTHOPYROXENE Leg : 38 Top/Bottom Interval(mm): 130/ 161 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 378.50 Rock Type: IGNEOUS Core: 16 Sample Midpoint(m) : 381.65 Sect/Pc #: 3/ ROCK = BASALT* Groundmass - OLIVINE ( TR%) PYROXENE ( 40%) PLAGIOCLASE ( 42%) IRON ORE ( 8%) ALTERED GLASS ( 10%) PLUS MESOSTASIS, % BY MODAL ANALYSES* Leg : 38 Top/Bottom Interval(mm): 130/ 200 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 378.50 Rock Type: IGNEOUS Core: 16 Sample Midpoint(m) : 381.67 Sect/Pc #: 3/PCE 2 ROCK = PLAG-AUGITE SPARSELY PHYRIC BASALT SAME AS 16-2-134-137 BUT MORE COARSE-GRAINED; Texture: SPARSELY PHYRIC,GLASSY ALTERED GLASSY MAKES UP 10% OF TEXTURE* Phenocrysts- AUGITE ( 1%) Size(mm): >.5 ALTERED; PLAGIOCLASE ( 1%) ALTERED* Groundmass - PLAGIOCLASE (45-55%) Morphology: ROUND PYROXENE (40-45%) GLOMEROPHYRIC OPX WITH POIKILITIC PLAG; OPAQUE MINERALS ( 5%) INCLUDES MAGN+ILMENITE* Alteration - SMECTITE Replacing: PHENOS SMECTITE (15-20%) Location: GROUNDMASS Leg : 38 Top/Bottom Interval(mm): 450/ 470 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 378.50 Rock Type: IGNEOUS Core: 16 Sample Midpoint(m) : 381.96 Sect/Pc #: 3/PCE 5 ROCK = MOD PHYRIC BASALT SAME AS 16-3-13-20; Texture: MOD PHYRIC* Phenocrysts- PHENOCRYSTS ( 2%) Size(mm): >.5 PHENOCRYSTS ( 3%) Size(mm): <.5 Groundmass - OPAQUE MINERALS ( 5%) INCLUDES MAGN+ILMENITE; PLAGIOCLASE GLOMEROPHYRIC CLUSTERS; PYROXENE 2V=70 DEG.,OPX ALTERED TO SMECTITE* Alteration - AMPHIBOLE Replacing: PHENOS SMECTITE (15-20%) Location: GROUNDMASS Vesicles - Size(mm): .3 Percent: 1 Filling: SMECTITE Leg : 38 Top/Bottom Interval(mm): 490/ 510 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 378.50 Rock Type: IGNEOUS Core: 16 Sample Midpoint(m) : 382.00 Sect/Pc #: 3/PCE 5 ROCK = AUGITE-PLAG MOD PHYRIC BASALT SAME AS 16-3-44-47; Texture: SUBOPHITIC,TRACHYTOID,GLASSY ALTERED GLASSY MAKES UP 5% OF TEXTURE* Phenocrysts- AUGITE ( 3%) ALTERED; PLAGIOCLASE ( 2%) ALTERED* Groundmass - PLAGIOCLASE (45-50%) PYROXENE (40-45%) OPAQUE MINERALS ( 4%) INCLUDES MAGN+ILMENITE* Alteration - SMECTITE Location: GROUNDMASS Replacing: PHENOS+GLASS CARBONATE Replacing: PHENOS Leg : 38 Top/Bottom Interval(mm): 730/ 760 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 378.50 Rock Type: IGNEOUS Core: 16 Sample Midpoint(m) : 382.25 Sect/Pc #: 3/PCE 7 ROCK = OL SPARSELY PHYRIC BASALT SIMILAR TO 16-3-49-51; Texture: SPARSELY PHYRIC* Phenocrysts- OLIVINE ( 2%) ALTERED* Groundmass - OPAQUE MINERALS ( 5%) INCLUDES MAGN+ILMENITE; PLAGIOCLASE GLOMEROPHYRIC CLUSTERS,APPROX COMP LABRADORITE* Vesicles - Size(mm): .3 Percent: 0-1 Filling: SMECTITE+CARB Leg : 38 Top/Bottom Interval(mm): 1010/1030 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 378.50 Rock Type: IGNEOUS Core: 16 Sample Midpoint(m) : 382.52 Sect/Pc #: 3/ ROCK = OL-PLAG MOD PHYRIC BASALT; Texture: MOD PHYRIC,SUBOPHITIC,GLASSY BROWN LIGHTLY ALTERED GLASSY MAKES UP 5% OF TEX* Phenocrysts- OLIVINE ( 2%) ALTERED; PLAGIOCLASE ( 2%) Groundmass - PLAGIOCLASE (40-50%) Size(mm): .1-1 GLOMEROPHYRIC CLUSTERS,EXT.ANG. PERP. TO (010)=38 DEG.,APPROX COMP AN68-72; PYROXENE (40-50%) Size(mm): .01-0.5 POIKILITIC TO PLAG,2V=70-80-85 DEG,TWINNED AUGITE, OPX=20%; MAGNETITE ( 3-5%) PYRITE ( 0-1%) Alteration - SMECTITE Replacing: PHENOS CHLORITE Replacing: PHENOS Vesicles - Size(mm): .5-.8 Percent: 1 Filling: CHLORITE+CARB Leg : 38 Top/Bottom Interval(mm): 1470/1490 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 378.50 Rock Type: IGNEOUS Core: 16 Sample Midpoint(m) : 382.98 Sect/Pc #: 3/PCE 16 ROCK = OL-AUGITE-PLAG MOD PHYRIC BASALT SAME AS 16-3-101-103; Texture: MOD PHYRIC,SUBOPHITIC,TRACHYTOID,GLASSY ALTERED GLASSY MAKES UP 5% OF TEXTURE* Phenocrysts- OLIVINE ( 2%) ALTERED; AUGITE ( 2%) ALTERED; PLAGIOCLASE ( 2%) Groundmass - PLAGIOCLASE GLOMEROPHYRIC CLUSTERS,ZONED; PYROXENE 2V=65-70 DEG.* Alteration - SMECTITE Replacing: PHENOS+GLASS AMPHIBOLE Replacing: PHENOS Leg : 38 Top/Bottom Interval(mm): 1470/1491 Describer: Kharin, G. Hole: 350 Top of Core Depth(m) : 378.50 Rock Type: IGNEOUS Core: 16 Sample Midpoint(m) : 382.98 Sect/Pc #: 3/ ROCK = BASALT* Groundmass - OLIVINE ( 3%) PYROXENE ( 35%) PLAGIOCLASE ( 45%) IRON ORE ( 10%) ALTERED GLASS ( 7%) PLUS MESOSTASIS, % BY MODAL ANALYSES* |
Cite as: Deep Sea Drilling Project (1989): Archive of Core and Site/Hole Data and Photographs from the Deep Sea Drilling Project (DSDP). National Geophysical Data Center, NOAA. doi:10.7289/V54M92G2 [access date]
Please see NOAA's privacy and disclaimer information. Send questions or comments to mgg.info@noaa.gov.
|