Leg : 66 Top/Bottom Interval(mm): 0/1220 Analyst: Lundberg, N. Hole: 487 Sample Midpoint (m) : 173.22 Core: 20 Top of Core Depth (m) : 172.00 Sect: 1 Top of Section Depth(m): 172.00 LITHOLOGY: PLAG-OL PHYRIC TO APHYRIC BASALT; Piece No. : PCES 1 (1-5), 2 (6-13), 3 (15-22), 4 (24-26), 5 (28-31), 6 (34-37), 7 (40-43), 8 (45-51), 9 (53-60), 10 (62-70), 11 (72-80), 12 (82-90), 13 (93-96), 14 (97-101), 15 (103-106), 16 (110-115), 17 (113-121); Texture : FINE-GRAINED,PCES 4-6 APHYRIC,PCES 7+11-13+15-16 VARIOLITIC; Structure : FRACTURES; Alteration : SLIGHTLY TO MOD BROWN ALTERATION ZONES RIMMING FRACTURES; Comments : NO INTERBEDDED SEDIMENTS WERE RECOVERED; Phenocrysts: PLAGIOCLASE ( 5%) Size(mm): TO 4 OLIVINE ( 0-1%) Size(mm): TO 2 OFTEN ALTERED TO LIGHT ORANGE SECONDARY MINERALS; Replacement: UNIDENTIFIED Minerals Replaced: OL LIGHT ORANGE SECONDARY MINERALS; Leg : 66 Top/Bottom Interval(mm): 1220/1500 Analyst: Lundberg, N. Hole: 487 Sample Midpoint (m) : 173.50 Core: 20 Top of Core Depth (m) : 172.00 Sect: 1 Top of Section Depth(m): 173.22 LITHOLOGY: DRILLING RUBBLE; Texture : COMPOSED OF SEDIMENT & SMALL BASALT FRAGMENTS WHICH ARE STRATIGRAPHICALLY OUT OF PLACE & INTERMIXED BY DRILLING; Leg : 66 Top/Bottom Interval(mm): 0/ 250 Analyst: Lundberg, N. Hole: 487 Sample Midpoint (m) : 173.75 Core: 20 Top of Core Depth (m) : 172.00 Sect: 2 Top of Section Depth(m): 173.50 LITHOLOGY: DRILLING RUBBLE; Texture : SIMILAR TO CORE 20-1(122-150CM); Leg : 66 Top/Bottom Interval(mm): 250/ 920 Analyst: Lundberg, N. Hole: 487 Sample Midpoint (m) : 174.42 Core: 20 Top of Core Depth (m) : 172.00 Sect: 2 Top of Section Depth(m): 173.75 LITHOLOGY: PLAG-OL PHYRIC TO APHYRIC BASALT; Piece No. : PCES 1A (27-30), 1B (32-36), 1C (36-40), 2 (43-45), 3 (47-50), 4 (58-60), 5 (58-61), 6 (63-72), 7 (73-79), 8 (81-86), 9 (88-91); Texture : PCES 1C-6 VARIOLITIC,PCE 9 IS ONLY GLASS RECOVERED IN CORE 20; Leg : 66 Top/Bottom Interval(mm): 0/ 230 Analyst: Lundberg, N. Hole: 487 Sample Midpoint (m) : 181.73 Core: 21 Top of Core Depth (m) : 181.50 Sect: 1 Top of Section Depth(m): 181.50 LITHOLOGY: DRILLING RUBBLE; Texture : MOSTLY BASALT FRAGMENTS & RARE CLASTS OF ZEOL (PHILLIPSITE); |
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]
Please see NOAA's privacy and disclaimer information. Send questions or comments to mgg.info@noaa.gov.
|