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Aoki, Kaori; Sakamoto, Tatsuhiko (2003): Description and geochemical composition of tephra layers from ODP Hole 186-1150A and Site 186-1151 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.783515

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Published: 2003 (exact date unknown) • DOI registered: 2012-07-03

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Abstract:
The sediments collected at Sites 1150 and 1151 during Leg 186 included many tephra layers and volcaniclastic detritus. In order to identify these tephras, the major oxide compositions of individual glass shards were determined by electron probe microanalyzer. The uppermost four tephras in sediments from Hole 1150A are correlated with the Towada-Hachinohe tephra (To-H; Tohoku district), Shikotsu Daiichi (1st) tephra (Spfa-1; Hokkaido district), Narugo-Yanagisawa tephra (Nr-Y; Tohoku district), and Aso-4 tephra (Kyushu district), respectively. The uppermost tephra in Hole 1151C is correlated with To-H tephra. To-H, Spfa-1, and Aso-4 tephras are also present in piston core KH94-3, LM-8, collected between Sites 1150 and 1151. Eruptive ages of To-H and Spfa-1 estimated from the oxygen isotopic Stages of core KH94-3, LM-8 are between 14.9-15.3 and 39.5-40.1 ka.
Related to:
Aoki, Kaori; Sakamoto, Tatsuhiko (2003): Late Quaternary tephrostratigraphy of the sediments from the Japan Trench forearc, Holes 1150A and 1151C. In: Suyehiro, K; Sacks, IS; Acton, GD; Oda, M (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 186, 1-22, https://doi.org/10.2973/odp.proc.sr.186.116.2003
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 38.894448 * Median Longitude: 143.333400 * South-bound Latitude: 38.750230 * West-bound Longitude: 143.331910 * North-bound Latitude: 39.181910 * East-bound Longitude: 143.334400
Date/Time Start: 1999-06-22T18:30:00 * Date/Time End: 1999-08-12T23:30:00
Event(s):
186-1150A * Latitude: 39.181910 * Longitude: 143.331910 * Date/Time Start: 1999-06-22T18:30:00 * Date/Time End: 1999-06-26T22:15:00 * Elevation: -2680.8 m * Penetration: 722.6 m * Recovery: 566.4 m * Location: North Pacific Ocean * Campaign: Leg186 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 76 cores; 722.6 m cored; 0 m drilled; 78.4 % recovery
186-1151A * Latitude: 38.751980 * Longitude: 143.334400 * Date/Time Start: 1999-07-28T22:00:00 * Date/Time End: 1999-08-02T17:45:00 * Elevation: -2182.2 m * Penetration: 1113.6 m * Recovery: 707.6 m * Location: North Pacific Ocean * Campaign: Leg186 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 108 cores; 1035.6 m cored; 0 m drilled; 68.3 % recovery
186-1151C * Latitude: 38.750330 * Longitude: 143.334050 * Date/Time Start: 1999-08-09T17:45:00 * Date/Time End: 1999-08-10T09:45:00 * Elevation: -2174.2 m * Penetration: 97.2 m * Recovery: 101.75 m * Location: North Pacific Ocean * Campaign: Leg186 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 11 core; 97.2 m cored; 0 m drilled; 104.7 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
6 datasets

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Datasets listed in this publication series

  1. Aoki, K; Sakamoto, T (2003): (Table T1) Tephra layer description of ODP Hole 186-1150A. https://doi.org/10.1594/PANGAEA.783509
  2. Aoki, K; Sakamoto, T (2003): (Table T2) Tephra layer description of ODP Hole 186-1151A. https://doi.org/10.1594/PANGAEA.783510
  3. Aoki, K; Sakamoto, T (2003): (Table T3) Tephra layer description of ODP Hole 186-1151C. https://doi.org/10.1594/PANGAEA.783511
  4. Aoki, K; Sakamoto, T (2003): (Table T4) Tephra layer description of ODP Hole 186-1151D. https://doi.org/10.1594/PANGAEA.783512
  5. Aoki, K; Sakamoto, T (2003): (Table T5) Major element oxides of glass shards from ODP Holes 186-1150A and 186-1151C tephra. https://doi.org/10.1594/PANGAEA.783513
  6. Aoki, K; Sakamoto, T (2003): (Table T8) Heavy minerals and glass shard types of tephra layers from ODP Holes 186-1150A and 186-1151C. https://doi.org/10.1594/PANGAEA.783514