Leg : 70 Top/Bottom Interval(mm): 0/ 680 Analyst: Hubberten, H.-W. Hole: 507B Sample Midpoint (m) : 31.68 Core: 1 Top of Core Depth (m) : 31.00 Sect: 1 Top of Section Depth(m): 31.00 LITHOLOGY: APHYRIC BASALT; Piece No. : PCE 19 (1-5), 20 (7-13); Texture : APHYRIC, FINE-GRAINED, 3 PLAG PHENOS IN PCE 19; Structure : IN PCE 20 A SMALL FRACTURE IS COATED WITH BLUE CLAY; Alteration : FRESH WEATHERING RIM AT TWO SIDES; Comments : COOLING UNIT SEPARATE FROM BELOW; Vesicles : Location: Filling: CLAY NUMEROUS VESICLES, EMPTY IN FRESH PART, IN THE WEATHERING RIM THEY ARE COATED WITH BLUE-GREEN CLAY OR FILLED WITH DARK GREEN MATERIAL; Phenocrysts: PLAGIOCLASE 3 PLAG PHENOS IN PCE 19 OCCUR ON A SURFACE OF 4:3CM; Replacement: CLAY MINERALS BLUE-GREEN CLAY IN VESICLES; Leg : 70 Top/Bottom Interval(mm): 160/ 600 Analyst: Hubberten, H.-W. Hole: 507B Sample Midpoint (m) : 31.60 Core: 1 Top of Core Depth (m) : 31.00 Sect: 1 Top of Section Depth(m): 31.16 LITHOLOGY: APHYRIC BASALT; Piece No. : PCE 21 (16-24), 22 (24-28), 23 (29-35), 24 (37-49), 25 (51-60); Texture : APHYRIC, COARSE-GRAINED; Structure : THIN VEINLET OF PYRITE IN THE LOWER HALF OF PCE 25; Alteration : FRESH IN PCE 25 PYRITE OCCURS AS THIN PATCHES ON THE OUTSIDE OF THE SAMPLE; Comments : COOLING UNIT 2?, END OF COOLING UNIT AT PCE 25; Vesicles : Size(mm): 2-3 Percent: Location: Filling: CALCITE,ZEOLITE Shape : ROUND TO Location: Filling: Shape : IRREGULAR NUMEROUS AMYGDULES WITH ROUND TO IRREGULAR SAMPLES, FILLED WITH CALCITE(?) AND WHITE-BLUE ZEOLITE(?) CRYSTALS, THE WALLS ARE COATED WITH BLUISH MATERIAL, IN PCE 25 VESICLES ARE ALMOST EMPTY; Replacement: CALCITE IN VESICLES, ID UNCERTAIN; ZEOLITE WHITE-BLUE ZEOLITE CRYSTALS, ID UNCERTAIN; PYRITE Leg : 70 Top/Bottom Interval(mm): 630/ 680 Analyst: Hubberten, H.-W. Hole: 507B Sample Midpoint (m) : 31.68 Core: 1 Top of Core Depth (m) : 31.00 Sect: 1 Top of Section Depth(m): 31.63 LITHOLOGY: APHYRIC BASALT; Piece No. : PCE 26 (63-68); Texture : APHYRIC, FINE-GRAINED, GLASSY RIMS ON TWO SIDES; Alteration : PYRITE OCCURS NEAR THE GLASSY SURFACE AND WITHIN THE SAMPLE, PARTLY OXIDIZED TO RED BROWN MATERIAL; Vesicles : Size(mm): <0.1 Percent: Location: Filling: CLAY NUMEROUS SMALL VESICLES COATED WITH BLUE CLAY; Replacement: PYRITE CLAY MINERALS BLUE CLAY COATING VESICLES; Leg : 70 Top/Bottom Interval(mm): 720/ 790 Analyst: Hubberten, H.-W. Hole: 507B Sample Midpoint (m) : 31.79 Core: 1 Top of Core Depth (m) : 31.00 Sect: 1 Top of Section Depth(m): 31.72 LITHOLOGY: PLAG SPARSELY PHYRIC BASALT; Piece No. : PCE 27 (72-79); Texture : SPARSELY PHYRIC, FINE-GRAINED; Alteration : FRESH ALTERATION RIM AT TOP AND BOTTOM AND LEFT SIDE, RED BROWN GNDMASS ALTERATION IN THE WEATHERING RIM; Vesicles : Size(mm): <0.2 Percent: Location: Filling: CLAY EMPTY IN THE FRESH PART AND COATED OR FILLED WITH BLUE CLAY IN THE WEATHERING RIM; Phenocrysts: PLAGIOCLASE Replacement: CLAY MINERALS BLUE CLAY COATS OR FILLS VESICLES IN WEATHERING RIM; |
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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