Leg : 64 Top/Bottom Interval(mm): 140/ 150 Describer: Saunders, A. Hole: 475B Top of Core Depth(m) : 76.00 Rock Type: IGNEOUS Core: 2 Sample Midpoint(m) : 76.14 Sect/Pc #: 1/PCE 2 ROCK = OL MODERATELY PHYRIC BASALT; Texture: MODERATELY PORPHYRITIC,VARIOLITIC,INTERSERTAL; Where sampled: PILLOW INTERIOR* Phenocrysts- OLIVINE ( 10%) Size(mm): 0.2-2.0 Morphology: ANHEDRAL-EUHEDRAL MANY XTLS BROKEN,VERY FRESH WITH ONLY VERY SLIGHT ALTERATION; PLAGIOCLASE ( 0%) CLINOPYROXENE ( 0%) SPINEL ( 1%) Size(mm): 0.1-0.2 Morphology: SUBHEDRAL MICROPHENOS,PALE ORANGE* Groundmass - OLIVINE ( 5%) Size(mm): <0.2 Morphology: SKELETAL QUENCH TEXTURES; PLAGIOCLASE ( 50%) Size(mm): 0.1-0.3 Morphology: SKELETAL QUENCH MICROLITES; CLINOPYROXENE ( 20%) Size(mm): <0.2 PERCENTAGE QUESTIONABLE,QUENCH,GROWING IN THE MESOSTASIS,SOME VARIOLES; MAGNETITE ( 5%) PERCENTAGE QUESTIONABLE,QUENCH,GROWING IN THE MESOSTASIS; ILMENITE ( 5%) PERCENTAGE QUESTIONABLE,QUENCH,GROWING IN THE MESOSTASIS; MICROCRYST GROUNDMASS ( 10%) Alteration - CARBONATE ( 0%) CLAY MINERALS ( 0%) ZEOLITE ( 0%) Vesicles - Percent: 0 |
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]
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