Leg : 70 Top/Bottom Interval(mm): 100/ 150 Describer: Laverne, C. Hole: 508B Top of Core Depth(m) : 51.50 Rock Type: IGNEOUS Core: 3 Sample Midpoint(m) : 51.63 Sect/Pc #: 1/PCE 39 ROCK = PLAG-CPX MOD PHYRIC BASALT; Texture: MOD PHYRIC,GLOMEROPHYRIC; Where sampled: PILLOW OR FLOW INTERIOR* Phenocrysts- PLAGIOCLASE ( 5%) Size(mm): .7X.2 Morphology: LATHY OFTEN ZONED; CLINOPYROXENE ( 3%) Size(mm): .5-.8X.2 Morphology: SUBHEDRAL CLUSTERS OF PLAG+CPX INTERGROWN* Groundmass - PLAGIOCLASE ( 45%) Size(mm): .5X.01 Morphology: MICROLITES TWO SIZES-OTHER IS .08X.005MM; CLINOPYROXENE ( 32%) Size(mm): .008-.16 Morphology: MICROLITES OR ANHEDRAL EQUANT MAGNETITE ( 7%) Size(mm): .02 Morphology: SKELETAL GLASS ( 4%) PERCENTAGE UNCERTAIN; PYRITE ( <1%) Alteration - SMECTITE Location: ALTERED RIM- Location: VESICLES OR Location: IRREG. VOIDS Vesicles - Size(mm): .025 Percent: 2-3 Location: SCATTERED Filling: SMEC OR EMPTY Shape: ROUND Leg : 70 Top/Bottom Interval(mm): 00/ 80 Describer: Laverne, C. Hole: 508B Top of Core Depth(m) : 57.50 Rock Type: IGNEOUS Core: 4 Sample Midpoint(m) : 57.54 Sect/Pc #: 1/PCE 44 ROCK = APHYRIC BASALT; Texture: APHYRIC,HYALOPILITIC(FLOW BANDING); Where sampled: NEXT TO GLASSY MARGIN* Groundmass - PLAGIOCLASE ( 42%) Size(mm): .1X.01 Morphology: MICROLITES CLINOPYROXENE ( 35%) Size(mm): .08X.02 Morphology: MICROLITES OR ANHEDRAL MAGNETITE ( 15%) Size(mm): .02 Morphology: SKELETAL GLASS ( 3%) ID UNCERTAIN FOR GLASS* Alteration - SMECTITE Location: ALTERED RIM Replacing: VESICLES+MYAROLITIC VOIDS ZEOLITE ( <<1%) ID UNCERTAIN FOR ZEOLITES,LENGTH .001MM,MAY BE AGAINST THE BORDER OF THE VESICLES* Vesicles - Size(mm): .01-.4 Percent: 5 Location: SCATTERED Filling: SMEC OR EMPTY Shape: ROUND OR Shape: IRREGULAR |
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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