Leg : 70 Top/Bottom Interval(mm): 110/ 140 Describer: Schrader, E.L. Hole: 506G Top of Core Depth(m) : 29.50 Rock Type: IGNEOUS Core: 2 Sample Midpoint(m) : 29.63 Sect/Pc #: 1/PCE 2 ROCK = CPX-PLAG-OL SPARSELY PHYRIC BASALT; Texture: SPARSELY PHYRIC,AXIOLITIC,MEDIUM-GRAINED, INTERSERTAL,HYALOPILITIC* Phenocrysts- OLIVINE ( <<1%) Size(mm): .75X.75 Morphology: SUBHEDRAL IN RIPPED OUT AREA,QUESTIONABLE ID; PLAGIOCLASE ( <<1%) Size(mm): .5X.3 Morphology: LATHY-EQUANT VERY RARE,ZONED; CLINOPYROXENE ( <1%) Size(mm): .4X.3 Morphology: ANHEDRAL Groundmass - PLAGIOCLASE ( 50%) Size(mm): .5X.1 Morphology: SKELETAL MATURE SHEAF TEXTURE; CLINOPYROXENE ( 35%) Size(mm): .1X.1 Morphology: ANHEDRAL INTERGROWN WITH PLAG; MAGNETITE ( 10%) Morphology: SKELETAL INTERSTITIAL TO SILICATES; GLASS ( 5%) INTERSTITIAL TO SILICATES* Vesicles - Size(mm): .3 Percent: 1 Location: SCATTERED Filling: EMPTY Shape: ROUND Leg : 70 Top/Bottom Interval(mm): 310/ 330 Describer: Schrader, E.L. Hole: 506G Top of Core Depth(m) : 29.50 Rock Type: IGNEOUS Core: 2 Sample Midpoint(m) : 29.82 Sect/Pc #: 1/PCE 4 ROCK = PLAG-CPX MOD PHYRIC BASALT; Texture: FINE-GRAINED,VARIOLITIC,MOD PHYRIC; Where sampled: FLOW INTERIOR* Phenocrysts- PLAGIOCLASE ( <5%) Size(mm): .4X.2 Morphology: LATHY ZONED,OFTEN OCCUR AS GLOMEROCRYSTS; CLINOPYROXENE ( <5%) Size(mm): .08X.04 Morphology: ANHEDRAL OFTEN OCCUR AS GLOMEROCRYSTS* Groundmass - MAGNETITE ( 2%) INTERSTITIAL; GLASS ( 5%) INTERSTITIAL; OTHER ( 90%) Size(mm): .01X.001 Morphology: ACICULAR MICROLITES,APPROX COMP PLAG/CPX,IN THE FORM OF VARIOLES* Alteration - CLAY MINERALS ( 1%) Location: FILLING VOIDS MORE COMMON NEAR ROCK BOUNDARY* Vesicles - Size(mm): .01 Percent: 1-3 Location: SCATTERED Filling: SMEC NEAR RIM Shape: ROUND Filling: OF ROCK+GLASS+ Filling: EMPTY Leg : 70 Top/Bottom Interval(mm): 900/ 930 Describer: Schrader, E.L. Hole: 506G Top of Core Depth(m) : 29.50 Rock Type: IGNEOUS Core: 2 Sample Midpoint(m) : 30.42 Sect/Pc #: 1/PCE 1D ROCK = PLAG SPARSELY PHYRIC BASALT; Texture: SPARSELY PHYRIC,HYALOPILITIC,MEDIUM-GRAINED; Where sampled: FLOW INTERIOR* Phenocrysts- PLAGIOCLASE ( <<1%) Size(mm): .2X.1 Morphology: EQUANT-LATHY VERY RARE,ZONED AND STRAINED* Groundmass - PLAGIOCLASE ( 40%) Size(mm): .1X.01 Morphology: SKELETAL LATHS SUBOPHITIC TEXTURE; CLINOPYROXENE ( 40%) Size(mm): .05X.04 Morphology: ANHEDRAL MAGNETITE ( 5-10%) Morphology: SKELETAL INTERSTITIAL TO SILICATES; GLASS (10-15%) INTERSTITIAL TO SILICATES* Alteration - CLAY MINERALS ( <<1%) Location: NEAR ONE EDGE FILLING PRIMARY VOIDS* Vesicles - Size(mm): .1X.1 Percent: 2-3 Location: SCATTERED Filling: SMEC NEAR ROCK Shape: ROUND Filling: BOUNDARY |
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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