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Watanabe, Mahito (2006): Diatom biostratigraphy in sediments of ODP Sites 204-1251 and 204-1252 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.774550, Supplement to: Watanabe, M (2006): Data report: Diatom biostratigraphy of Sites 1251 and 1252. In: Tréhu, AM; Bohrmann, G; Torres, ME; Colwell, FS (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 204, 1-10, https://doi.org/10.2973/odp.proc.sr.204.123.2006

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Published: 2006 (exact date unknown) • DOI registered: 2012-02-20

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Abstract:
Sites 1251 (44°34.213'N, 125°4.440'W; 1211 m water depth) and 1252 (44°35.167'N, 125°5.569'W; 1039 m water depth) were drilled on the eastern flank of the southern summit of Hydrate Ridge off Oregon in the northeast Pacific Ocean, where well-stratified sediments were deposited at a rapid rate. Unconformities and debris flow layers of middle Pleistocene age were found at both sites. Their ages are of great importance in constructing the geohistory of Hydrate Ridge. Detailed diatom biostratigraphy of the middle to late Pleistocene of Sites 1251 and 1252 was carried out for this purpose.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 44.578157 * Median Longitude: -125.083383 * South-bound Latitude: 44.570100 * West-bound Longitude: -125.092810 * North-bound Latitude: 44.586110 * East-bound Longitude: -125.073950
Date/Time Start: 2002-07-26T11:45:00 * Date/Time End: 2002-09-01T00:00:00
Event(s):
204-1251B * Latitude: 44.570310 * Longitude: -125.073960 * Date/Time Start: 2002-07-26T11:45:00 * Date/Time End: 2002-07-30T02:00:00 * Elevation: -1213.3 m * Penetration: 445.1 m * Recovery: 368.58 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 53 cores; 442.1 m cored; 3 m drilled; 83.4 % recovery
204-1251C * Latitude: 44.570100 * Longitude: -125.073950 * Date/Time Start: 2002-07-30T02:00:00 * Date/Time End: 2002-07-30T06:30:00 * Elevation: -1210.2 m * Penetration: 17.6 m * Recovery: 13.63 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 2 cores; 17.6 m cored; 0 m drilled; 77.4 % recovery
204-1252A * Latitude: 44.586110 * Longitude: -125.092810 * Date/Time Start: 2002-08-29T21:00:00 * Date/Time End: 2002-09-01T00:00:00 * Elevation: -1039.2 m * Penetration: 259.8 m * Recovery: 253.62 m * Location: North Pacific Ocean * Campaign: Leg204 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 28 cores; 259.8 m cored; 0 m drilled; 97.6 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets

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Datasets listed in this publication series

  1. Watanabe, M (2006): (Table T1) Diatom biostratigraphy of ODP Site 204-1251. https://doi.org/10.1594/PANGAEA.774540
  2. Watanabe, M (2006): (Table T2) Diatom biostratigraphy of ODP Hole 204-1252A. https://doi.org/10.1594/PANGAEA.774543