Leg : 69 Top/Bottom Interval(mm): 0/ 150 Analyst: Natland, J. Hole: 505 Sample Midpoint (m) : 231.98 Core: 24 Top of Core Depth (m) : 228.50 Sect: CC Top of Section Depth(m): 231.93 LITHOLOGY: SILICEOUS NANNOFOSSIL OOZE; Leg : 69 Top/Bottom Interval(mm): 150/ 250 Analyst: Natland, J. Hole: 505 Sample Midpoint (m) : 232.08 Core: 24 Top of Core Depth (m) : 228.50 Sect: CC Top of Section Depth(m): 231.98 LITHOLOGY: PLAG-OL-CPX PHYRIC BASALT; Piece No. : PCE 91 (15-25); Texture : PHYRIC; Structure : ELONGATE CRACK WITH REDDISH SECONDARY MINS IN IT; Alteration : PATCHES OF PYR; Vesicles : Size(mm): Percent: 2-3 Location: Filling: SMEC PALE BLUISH-GREEN SMEC; Phenocrysts: PLAGIOCLASE ( 15%) CLINOPYROXENE ( 4%) OLIVINE ( 1%) Replacement: UNIDENTIFIED REDDISH SECONDARY MINERALS; SMECTITE PALE BLUISH-GREEN; Leg : 69 Top/Bottom Interval(mm): 20/ 100 Analyst: Natland, J. Hole: 505 Sample Midpoint (m) : 233.60 Core: 25 Top of Core Depth (m) : 233.50 Sect: 1 Top of Section Depth(m): 233.52 LITHOLOGY: PLAG-CPX-OL PHYRIC BASALT; Piece No. : PCE 92 (2-10); Texture : PHYRIC; Alteration : MOD FAINT REDDISH OXIDATIVE ALTERATION RIND,OL LARGELY ALTERED,PLAG PHENOS CAN BE SKELETAL; Vesicles : Location: Filling: CLAY.MINS,CALCITE VESICLES SPARSE,WAXY PALE BLUE-GREEN CLAY.MINS FILL VESICLES WHILE SOME ARE FILLED WTIH CALCITE; Phenocrysts: PLAGIOCLASE Size(mm): TO 5 OLIVINE Size(mm): TO 5 CLINOPYROXENE Size(mm): TO 5 PHENOS TOTAL 25%(MOSTLY PLAG),OL & PLAG ALTERED, PLAG POSSIBLY PARTLY REPLACED BY CLAY.MINS(?), SOME PLAG STAINED RED; Replacement: CLAY Minerals Replaced: PLAG CLAY.MINS REPLACING PLAG UNCERTAIN; FERROUS HYDROX MINS Minerals Replaced: OL REDDISH; CLAY Minerals Replaced: OL REDDISH; ( 0%) Leg : 69 Top/Bottom Interval(mm): 20/ 400 Analyst: Adamson, A.C. Hole: 505 Sample Midpoint (m) : 238.40 Core: 26 Top of Core Depth (m) : 238.00 Sect: 1 Top of Section Depth(m): 238.02 LITHOLOGY: PLAG-CPX-OL PHYRIC BASALT; Piece No. : PCES 93 (2-7), 94 (10-14), 95 (15-18), 96 (20-25), 97 (25-35), 98 (36-40); Texture : PHYRIC,GLAS.MESOSTAS IN PCE 93; Alteration : OL ALTERED,STRONG STAINING TO PLAG PHENOS & SOME ARE SKELETAL,PCE 97 HAS FAINT OXIDATION RIND WITH OL & PLAG STAINED RED & UNOXIDIZED AREA IS SIMILAR TO PCE 93; Vesicles : OUTER SURFACE OF PCE 93 VESICULAR; Phenocrysts: PLAGIOCLASE ( 20%) OLIVINE ( 1%) CLINOPYROXENE ( 4%) PHENOS AVERAGE 2-3MM LONG,OL & PLAG ALTERED, OL PRESENT AS PSEUDOMORPHS FILLED WITH PALE BLUE/ GREEN CLAY.MINS & ALSO CALCITE & PYR,OFTEN CENTERS (CAVITIES) OF PHENOS REMAIN EMPTY OR MAY BE FILLED WITH CALCITE & PYR WITHIN PSEUDOMORPHS, GLOMEROCYRSTS OF PLAG ENCLOSING GLASS MESOSTAS & PYR(TO 1CM LONG),GLOMEROCRYSTS ARE CLEAR ON CUT SURFACE; Replacement: CALCITE ( 0%) PCES 94-96+98; PCE 97 HAS PYR; CLAY WAXY & PALE BLUE/GREEN CLAY.MINS; FERROUS HYDROX MINS Minerals Replaced: OL REDDISH; CLAY Minerals Replaced: OL REDDISH; |
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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