Leg : 17 Top/Bottom Interval(mm): 0/ 0 Analyst: Schlanger, S. Hole: 171 Sample Midpoint (m) : 329.60 Core: 26 Top of Core Depth (m) : 325.00 Sect: CC Top of Section Depth(m): 329.60 LITHOLOGY: CLAYSTONE AND SILT AND BASALT; Piece No. : PCE NO PCE NUMBERS ASSIGNED; Texture : BASALT IS FINE-GRAINED; Structure : CALCITE FILLED VEINS; Comments : DARK GRAY (N2) AND MEDIUM DARK GRAY (N4), LUMPS OF FINE-GRAINED VESICULAR (CALCITE-FILLED) BASALT IN THE SILT; Vesicles : Size(mm): 1 Percent: Location: Filling: CALCITE FILLED WITH CALCITE; Replacement: CALCITE IN VESICLES AND VEINS; Leg : 17 Top/Bottom Interval(mm): 390/1200 Analyst: Schlanger, S. Hole: 171 Sample Midpoint (m) : 335.20 Core: 27 Top of Core Depth (m) : 334.00 Sect: 1 Top of Section Depth(m): 334.39 LITHOLOGY: BASALT; Piece No. : PCE NO PCE NUMBERS ASSIGNED; Texture : FINE-GRAINED; Structure : CUT BY ZEOLITE(?) FILLED FRACTURES, AT 42CM IS AN IRREGULAR CAVITY ONLY PARTLY FILLED BY DRUSY ZEOLITE (?); Alteration : IRREGULAR PATCHES OF ZEOLITES(?) COMMON; Comments : BASALT IS GRAYISH BLACK WHEN WET AND MEDIUM-DARK (N4) WHEN DRY, AT 75-80CM GREENISH GRAY (5G 6/1) AND LIGHT BROWN (5YR 5/6) IRREGULAR MASS BOUNDED BY BASALT, LOOKS LIKE ENGULFED PIECE OF SEDIMENT; Vesicles : Location: Filling: ZEOLITE Shape : SUBSPHERICAL HIGHLY VESICULAR, FILLED WITH ZEOLITE; Replacement: ZEOLITE FILLING VESICLES, ID UNCERTAIN IN FRACTURES, IRREGULAR CAVITY POSSIBLY FILLED BY DRUSY ZEOLITE, PATCHES OF ZEOLITE(?) COMMON; Leg : 17 Top/Bottom Interval(mm): 0/1500 Analyst: Schlanger, S. Hole: 171 Sample Midpoint (m) : 337.00 Core: 27 Top of Core Depth (m) : 334.00 Sect: 2 Top of Section Depth(m): 335.50 LITHOLOGY: BASALT; Piece No. : PCE NO PCE NUMBERS ASSIGNED; Texture : FINE-GRAINED; Structure : CUT BY FRACTURES FILLED BY WHITE (NON-CARB, SOME AS CALCITE) MINERALS - ZEOLITES; Vesicles : Location: Filling: MONT Shape : SUBSPHERICAL VESICULAR (AT 70-80CM FOR EXAMPLE), VESICLES ARE BOTH SUBSPHERICAL AND ASSOCIATED WITH WIDE FRACTURES AND IRREGULAR PATCHES OF TRANSLUCENT ZEOLITE(?), MANY OF THE SMALLER AMYGDULES ARE MONT; Replacement: ZEOLITE MONTMORILLONITE CALCITE Leg : 17 Top/Bottom Interval(mm): 180/1060 Analyst: Schlanger, S. Hole: 171 Sample Midpoint (m) : 338.06 Core: 27 Top of Core Depth (m) : 334.00 Sect: 3 Top of Section Depth(m): 337.18 LITHOLOGY: BASALT; AS IN SECTIONS 27-1+2; Piece No. : PCE NO PCE NUMBERS ASSIGNED; Vesicles : Location: Filling: CALCITE CALCITE VESICLES 55-126CM; Replacement: CALCITE Leg : 17 Top/Bottom Interval(mm): 1060/1500 Analyst: Schlanger, S. Hole: 171 Sample Midpoint (m) : 338.50 Core: 27 Top of Core Depth (m) : 334.00 Sect: 3 Top of Section Depth(m): 338.06 LITHOLOGY: LIMESTONE CONGLOMERATE; Leg : 17 Top/Bottom Interval(mm): 50/ 800 Analyst: Schlanger, S. Hole: 171 Sample Midpoint (m) : 339.30 Core: 27 Top of Core Depth (m) : 334.00 Sect: 4 Top of Section Depth(m): 338.55 LITHOLOGY: LIMESTONE CONGLOMERATE; Leg : 17 Top/Bottom Interval(mm): 770/ 800 Analyst: Schlanger, S. Hole: 171 Sample Midpoint (m) : 339.30 Core: 27 Top of Core Depth (m) : 334.00 Sect: 4 Top of Section Depth(m): 339.27 LITHOLOGY: LARGE MOLLUSK? SHELL; Leg : 17 Top/Bottom Interval(mm): 800/1500 Analyst: Schlanger, S. Hole: 171 Sample Midpoint (m) : 340.00 Core: 27 Top of Core Depth (m) : 334.00 Sect: 4 Top of Section Depth(m): 339.30 LITHOLOGY: LIMESTONE-BASALT CONGLOMERATE; Piece No. : PCE NO PCE NUMBERS ASSIGNED; Comments : COBBLES OF VERY VESICULAR WEATHERED BASALT IN CONGLOMERATE MATRIX, BASALT PCES ARE GREATER THAN CORE DIAMETER AND SO APPEAR TO BE BASALT PLUGS, VESICULARITY OF BASALT STRIKING - 1 PCE IS ABOUT 20% VESICLES, BASAL PCE AT 145-150CM IS ALMOST SCORIACEOUS, BASALT FRAGMENTS ARE LIGHT OLIVE GRAY, OVERALL COLOR OF LIMESTONE CONGLOMERATE AROUND BASALT COBBLES IS VERY PALE ORANGE (10YR 8/2); Leg : 17 Top/Bottom Interval(mm): 550/1500 Analyst: Schlanger, S. Hole: 171 Sample Midpoint (m) : 344.50 Core: 28 Top of Core Depth (m) : 343.00 Sect: 1 Top of Section Depth(m): 343.55 LITHOLOGY: LAPILLI TUFF, PUMICEOUS; Comments : INTERVAL (55-62) IS FERRUGINOUS; Leg : 17 Top/Bottom Interval(mm): 0/1180 Analyst: Schlanger, S. Hole: 171 Sample Midpoint (m) : 345.68 Core: 28 Top of Core Depth (m) : 343.00 Sect: 2 Top of Section Depth(m): 344.50 LITHOLOGY: LAPILLI TUFF; INTERVALS (0-49) AND (71-118); Comments : PUMICEOUS, ZEOLITIC, CALCAREOUS, MM TO CM SIZE GLASSY PUMICEOUS FRAGMENTS IN ZEOLITIC CALCITIC MATRIX, GENERAL COLOR IS GRAYISH ORANGE (10YR 7/4) TO DARK YELLOW ORANGE (10YR 6/6), HARD WELL CEMENTED (CALCITIC?), CALCITE SHOWS UP IN SMEAR SLIDE A SPARRY XTLS, GLASS, OLIVE TO BROWN, SEMI OPAQUE - ALTERED TO CLAYS!, INTERVAL (71-118) IS POSSIBLY GRADED BED 86-106CM, GRAINS GO FROM 5MM AT BASE TO LESS THAN 1MM AT TOP; Leg : 17 Top/Bottom Interval(mm): 540/ 670 Analyst: Schlanger, S. Hole: 171 Sample Midpoint (m) : 345.17 Core: 28 Top of Core Depth (m) : 343.00 Sect: 2 Top of Section Depth(m): 345.04 LITHOLOGY: CAVINGS; Leg : 17 Top/Bottom Interval(mm): 670/ 710 Analyst: Schlanger, S. Hole: 171 Sample Midpoint (m) : 345.21 Core: 28 Top of Core Depth (m) : 343.00 Sect: 2 Top of Section Depth(m): 345.17 LITHOLOGY: CLAYSTONE; Leg : 17 Top/Bottom Interval(mm): 1180/1500 Analyst: Schlanger, S. Hole: 171 Sample Midpoint (m) : 346.00 Core: 28 Top of Core Depth (m) : 343.00 Sect: 2 Top of Section Depth(m): 345.68 LITHOLOGY: CALCAREOUS TUFF AND TUFFACEOUS LIMESTONE; Leg : 17 Top/Bottom Interval(mm): 0/ 0 Analyst: Schlanger, S. Hole: 171 Sample Midpoint (m) : 464.10 Core: 33 Top of Core Depth (m) : 464.00 Sect: CC Top of Section Depth(m): 464.10 LITHOLOGY: BASALT AND SAND AND LIMESTONE; Piece No. : PCE NO PCE NUMBERS ASSIGNED; Texture : ROUNDED COBBLES; Alteration : WEATHERED; Comments : 3 PCES OF BROWN BASALT AND SMALLER PCES, SAND AND GRANULE SIZE LIMESTONE CHIPS PRESENT; Vesicles : VESICULAR; |
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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