Leg : 7 Top/Bottom Interval(mm): 0/ 570 Analyst: Hole: 61A Sample Midpoint (m) : 89.57 Core: 2 Top of Core Depth (m) : 89.00 Sect: 1 Top of Section Depth(m): 89.00 LITHOLOGY: BASALT; Piece No. : PCE 1 (0-9), 2 (9-26), 3 (26-31), 4 (31-39), 5 (39-56); Texture : ONE SURFACE "MICRO-KNOBBY", AND COVERED WITH FELTED XTLS OF UNIDENT (A CLAY?), POSSIBLY GLASS IN PCE 4; Structure : OCCASIONAL VEINS (WHITE) TO 1MM WIDTH, FRACTURES WITH YELLOWISH-GRAY (5Y 6/1) COATING, CALCITE VEINS IN PCE 5; Alteration : PCES 2-5 LESS ALTERED, CHIP OFF TOP OF PCE 4 LOOKS VERY FRESH, PCE 1 HAS MOST ALTERED APPEARANCE; Comments : OLIVE-GRAY, (5Y 3/2) AT TOP AND (5Y 5/2) AT BOTTOM; Vesicles : Size(mm): TO 5 Percent: Location: Filling: Shape : SPHEROIDAL Size(mm): TO 22 Percent: Location: Filling: Shape : ELONGATED PCE 1 CONTAINS MOST AND LARGEST ONES, VUGS ARE MAINLY WHITE CALCITE, MANY ARE SOFT AND PALE GREEN (5G 7/2), ONE DUSKY GREEN (5G 3/2) AND A FEW LIGHT BROWN (5YR 6/4), PALE GREEN FOUND COMMONLY ONLY AS VESICLE LINING (WASHED OUT?), PLATY, CHLORITE?, RI=1.57; Groundmass : UNIDENTIFIED ABUNDANT WHITE SPECS, POSSIBLY SECONDARY; Replacement: CALCITE IN VESICLES AND IN VEINS; CHLORITE POSSIBLY IN VESICLE LINING; Leg : 7 Top/Bottom Interval(mm): 0/ 0 Analyst: Hole: 61A Sample Midpoint (m) : 90.60 Core: 2 Top of Core Depth (m) : 89.00 Sect: CC Top of Section Depth(m): 90.60 LITHOLOGY: BASALT; Piece No. : PCE NO PCE NUMBERS ASSIGNED; Comments : TWO ADDITIONAL PCES FOUND IN CC (236 GRAMS), HAVE SAME LITHOLOGY AS CORE 2-1; |
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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