Leg : 18 Top/Bottom Interval(mm): 0/ 0 Describer: MacLeod, N.S. Hole: 178 Top of Core Depth(m) : 777.50 Rock Type: IGNEOUS Core: 58 Sample Midpoint(m) : 777.50 Sect/Pc #: 1/ ROCK = OL SPARSELY PHYRIC BASALT SOURCE IS IR, SAMPLE 58A; Texture: FINE-GRAINED* Phenocrysts- OLIVINE ( 2%) PYROXENE ( 0%) PLAGIOCLASE ( 0%) SPINEL ( TR%) BROWN* Groundmass - OPAQUE MINERALS ( 0%) COMBINATION ( 98%) INDETERMINATE MINERALS AND(OR) FINE-GRAINED OR GLASSY MATRIX,PERCENTAGES OBTAINED BY MODAL ANALYSIS (1000 COUNTS)* Leg : 18 Top/Bottom Interval(mm): 0/ 0 Describer: MacLeod, N.S. Hole: 178 Top of Core Depth(m) : 787.00 Rock Type: IGNEOUS Core: 59 Sample Midpoint(m) : 787.00 Sect/Pc #: 1/ ROCK = OL SPARSELY PHYRIC BASALT SOURCE IS IR, SAMPLE 59D; Texture: FINE-GRAINED* Phenocrysts- OLIVINE ( 4%) PYROXENE ( 0%) PLAGIOCLASE ( 0%) SPINEL ( TR%) BROWN* Groundmass - OPAQUE MINERALS ( 0%) COMBINATION ( 96%) INDETERMINATE MINERALS AND(OR) FINE-GRAINED OR GLASSY MATRIX,PERCENTAGES OBTAINED BY MODAL ANALYSIS (1000 COUNTS)* Leg : 18 Top/Bottom Interval(mm): 0/ 1 Describer: MacLeod, N.S. Hole: 178 Top of Core Depth(m) : 787.00 Rock Type: IGNEOUS Core: 59 Sample Midpoint(m) : 787.00 Sect/Pc #: 1/ ROCK = BASALT SOURCE IS IR, SAMPLE 59B; Texture: COARSE-GRAINED* Groundmass - OLIVINE ( 14%) PYROXENE ( 27%) PLAGIOCLASE ( 41%) SPINEL ( TR%) OPAQUE MINERALS ( 4%) INCLUDES ILEMENITE + MAGNETITE; COMBINATION ( 14%) INDETERMINATE MINERALS AND(OR) FINE-GRAINED OR GLASSY MATRIX* Leg : 18 Top/Bottom Interval(mm): 0/ 2 Describer: MacLeod, N.S. Hole: 178 Top of Core Depth(m) : 787.00 Rock Type: IGNEOUS Core: 59 Sample Midpoint(m) : 787.00 Sect/Pc #: 1/ ROCK = BASALT SOURCE IS IR, SAMPLE 59C; Texture: COARSE-GRAINED* Groundmass - OLIVINE ( 12%) PYROXENE ( 27%) PLAGIOCLASE ( 44%) SPINEL ( TR%) OPAQUE MINERALS ( 5%) INCLUDES ILEMENITE+ MAGNETITE; COMBINATION ( 13%) INDETERMINATE MINERALS AND(OR) FINE-GRAINED OR GLASSY MATRIX* |
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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