Leg : 64 Top/Bottom Interval(mm): 0/ 500 Analyst: Saunders, A. Hole: 475B Sample Midpoint (m) : 76.50 Core: 2 Top of Core Depth (m) : 76.00 Sect: 1 Top of Section Depth(m): 76.00 LITHOLOGY: OL MOD PHYRIC BASALT; Piece No. : PCES 1 (2-8), 2 (10-18), 3 (19-26), 4 (27-30), 5 (31-39), 6 (40-46), 7 (48-50); Texture : VERY FINE-GRAINED,GLASSY SELVAGE IN PCES 3+5,MOD PHYRIC; Structure : CALCITE-FILLED FRACTURES PCE 2,FACES ON PCES 5+7 ARE COVERED WITH GREEN VEIN MATERIAL & ZEOL(?); Alteration : FRESH MOD SLIGHTLY BROWNISH RIMS OCCUR ON PCES 1+3+6 & THIS PERIPHERAL NATURE OF ALTERATION SUGGESTS THAT THES FRAGMENTS ARE PROBABLY COBBLES LYING EXPOSED TO SEDIMENTS AND/OR WATER; Comments : DARK GRAY(N4) BASALT,ROCK HAS HEAVY FEEL; Phenocrysts: PLAGIOCLASE ( 3%) Size(mm): TO 2. MICROPHENOS NOT EXCEEDING 2MM & GENERALLY <0.5MM; OLIVINE Size(mm): TO 2. MICROPHENOS NOT EXCEEDING 2MM & GENERALLY <0.5MM, FRESH,APPLE-GREEN; Replacement: CALCITE ZEOLITE ID ZEOL UNCERTAIN; UNIDENTIFIED GREEN VEIN MATERIAL FOUND ON PCES 5+7; Leg : 64 Top/Bottom Interval(mm): 0/ 210 Analyst: Saunders, A. Hole: 475B Sample Midpoint (m) : 85.71 Core: 3 Top of Core Depth (m) : 85.50 Sect: 1 Top of Section Depth(m): 85.50 LITHOLOGY: OL MOD PHYRIC BASALT; Piece No. : PCES 1 (1-7), 2 (8-14), 3 (16-21); Texture : VERY FINE-GRAINED,MOD PHYRIC,GLASSY SELVAGES ON PCES 1+3,SIMILAR TO CORE 2-1; Alteration : SLIGHTLY SLIGHT ALTERATION RIMS INDICATE THESE ARE SMALL INDIVIDUAL COBBLES; Comments : DARK GRAY(N4) BASALT; Phenocrysts: PLAGIOCLASE ( <3%) Size(mm): <0.5 MICROPHENOS; OLIVINE ( <5%) Size(mm): <0.5 MICROPHENOS,APPLE GREEN; Leg : 64 Top/Bottom Interval(mm): 0/ 50 Analyst: Saunders, A. Hole: 475B Sample Midpoint (m) : 95.05 Core: 4 Top of Core Depth (m) : 95.00 Sect: 1 Top of Section Depth(m): 95.00 LITHOLOGY: OL MOD PHYRIC BASALT; Piece No. : PCES 1A (0-5), 1B (0-3), 1C (3-4); Texture : VERY FINE-GRAINED,MOD PHYRIC,SIMILAR TO CORES 2-1 & 3-1; Alteration : FRESH Comments : DARK GRAY(N4); Phenocrysts: PLAGIOCLASE ( <3%) Size(mm): <0.5 MICROPHENOS; OLIVINE ( <5%) Size(mm): <0.5 MICROPHENOS,APPLE GREEN; |
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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