Leg : 60 Top/Bottom Interval(mm): 0/1160 Analyst: Fryer, P. Hole: 456A Sample Midpoint (m) : 115.66 Core: 11 Top of Core Depth (m) : 114.50 Sect: 1 Top of Section Depth(m): 114.50 LITHOLOGY: MUDSTONE; PEBBLES OF BASALT INCLUDED; Piece No. : PCE 1 (2-4), 2 (7-10), 3 (11-13), 4 (17-27), 5 (29-32), 6 (35-37), 7 (42-44), 8 (47-50), 9 (54-62), 10 (64-74), 11 (76-80), 12 (81-86), 13 (88-95), 14 (98-100), 15 (102-106); Texture : PEBBLES OF BASALT IN PCES 4+6, PCES 10-13+15 CONSISTS OF HIGHLY ALTERED PILLOW BASALT FRAGMENTS LITHOLOGICALLY IDENTICAL TO THOSE DESCRIBED FOR HOLE 456-CORE 16; Alteration : EXT; Comments : PCES 1-9+14 ARE MUDSTONES AND SANDSTONES, BASALT LIGHT GREY TO LIGHT GREENISH GREY (N6 TO 5G8/1); Leg : 60 Top/Bottom Interval(mm): 0/ 970 Analyst: Fryer, P. Hole: 456A Sample Midpoint (m) : 124.47 Core: 12 Top of Core Depth (m) : 123.50 Sect: 1 Top of Section Depth(m): 123.50 LITHOLOGY: PLAG PHYRIC AND APHYRIC BASALT; Piece No. : PCE 1 (3-9), 2 (10-18), 3 (19-26), 4 (28-32), 5 (34-35), 6 (40-43), 7 (47-52), 8 (56-58), 9 (62-65), 10 (68-74), 11 (76-83), 12 (86-89), 13 (92-97); Texture : PCES 1-3 ARE HIGHLY PLAG PHYRIC BASALT, REST OF THE CORE CONSISTS OF APHYRIC BASALT; Alteration : SLIGHTLY TO MODERATELY; Comments : PCE 4 IS DARK YELLOWISH BROWN, PCE 5 IS TWO SMALL PCES WITH ONE GREYISH BROWN (5YR3/2) AND THE OTHER MEDIUM DARK GREY (N4), PCES 7-10 ARE MEDIUM DARK GREY (N4), ALTERATION INCLUDES 2-4CM WIDE REDDISH OXIDIZED ZONES ON THE SIDES OF THE PCES; Vesicles : Size(mm): 1-2 Percent: 20 PCE 6 HAS MINUTE SPHERICAL VESICLES, PCES 7-10 HAVE NUMEROUS LARGE VESICLES OF SPHERICAL TO IRREGULAR SHAPE, PCES 11-13 HAVE NUMEROUS MINUTE AND OCCASIONAL LARGE VESICLES (2-3MM); Phenocrysts: NO PHENOCRYSTS IN HAND SAMPLE OF PCE 4; Leg : 60 Top/Bottom Interval(mm): 0/ 360 Analyst: Fryer, P. Hole: 456A Sample Midpoint (m) : 133.36 Core: 13 Top of Core Depth (m) : 133.00 Sect: 1 Top of Section Depth(m): 133.00 LITHOLOGY: APHYRIC BASALT; Piece No. : PCE 1 (3-7), 2 (9-11), 3 (15-19), 4 (22-26), 5 (28-31), 6 (34-36); Texture : APHYRIC, PCE 6 IS A SMALL FRAGMENT OF A FRESH BASALT PILLOW WITH A GLASSY RIND, PCE 2 IS A HIGHLY ALTERED PLAG PHYRIC BASALT SIMILAR TO PCES 1-3 OF CORE 12; Alteration : EXT PCES 1-3; MOD 4-6; Comments : PCE 1 IS DARK YELLOWISH BROWN (10YR4/2), PCE 3 IS MEDIUM BLUISH GREY (5B5/1), PCE 2 PROBABLY FELL DOWN THE HOLE; Vesicles : Size(mm): 1 Percent: 10 PCES 4-5; Phenocrysts: NO PHENOCRYSTS IN HAND SAMPLE OF PCE 4; Leg : 60 Top/Bottom Interval(mm): 0/ 420 Analyst: Fryer, P. Hole: 456A Sample Midpoint (m) : 142.92 Core: 14 Top of Core Depth (m) : 142.50 Sect: 1 Top of Section Depth(m): 142.50 LITHOLOGY: APHYRIC BASALT; Piece No. : PCE 1 (3-7), 2 (12-16), 3 (18-21), 4 (24-27), 5 (30-34), 6 (37-42); Texture : APHYRIC; Alteration : MOD PCE 6 HAS AN ALTERATION RIND; FRESH; REST OF SECTION; Comments : PCES 1-2 ARE BROWNISH BLACK (5YR2/1); Vesicles : Size(mm): 0.5-1 Percent: 30 Location: Filling: Shape : SPHERICAL PCES 1-2, SOME IRREGULAR SHAPES; Size(mm): 0.5 Percent: Location: Filling: Shape : SPHERICAL NUMEROUS MINUTE VESICLES; Leg : 60 Top/Bottom Interval(mm): 0/ 240 Analyst: Fryer, P. Hole: 456A Sample Midpoint (m) : 152.24 Core: 15 Top of Core Depth (m) : 152.00 Sect: 1 Top of Section Depth(m): 152.00 LITHOLOGY: PLAG PHYRIC AND APHYRIC BASALT; Piece No. : PCE 1 (4-6), 2 (8-11), 3 (14-17), 4 (19-24); Texture : PCE 1 IS PLAG PHYRIC BASALT SIMILAR TO CORE 12-PCES 1-3, PCES 2-4 ARE APHYRIC; Alteration : MOD PCE 1; FRESH REST OF SECTION; Comments : PCE 1 MAY HAVE FALLEN DOWN THE HOLE; Vesicles : PCES 2-3 HAVE TINY SPHERICAL VESICLES WHEREAS PCE 4 HAS ELONGATE VESICLE TRAINS; |
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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