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McGuire, Jennifer C; Acton, Gary D (2003): Composite depth scales, ash layer correlations and splice tie points of ODP Site 186-1151 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.783494, Supplement to: McGuire, JC; Acton, GD (2003): Composite depth scales for the Japan Trench, ODP Leg 186 Sites 1150 and 1151. 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, 1-23, https://doi.org/10.2973/odp.proc.sr.186.102.2003

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Abstract:
We present composite depth scales for the multiply cored intervals from Sites 1150 and 1151. These new depth scales place coeval strata recovered in cores from different holes at a single site into a common stratigraphic framework. At Site 1150, double coring between Holes 1150A and 1150B occurred over only a short interval between ~703 and 713 meters below seafloor (mbsf), but this is sufficient to tie the upper portion of the stratigraphic section cored in Hole 1150A to the lower portion cored in Hole 1150B. The upper ~100 m of the sedimentary section at Site 1151 was double cored with the advanced piston corer and partially cored with the rotary core barrel, resulting in the complete recovery of this interval. The composite depth scales were constructed using Splicer software to vertically adjust the relative depths of various cores from one hole to the depths from another hole so as to align distinct physical properties measured on cores. The magnetic susceptibility data was the physical property most easily correlated between holes, and therefore primarily used to create a composite depth scale and spliced stratigraphic section. The spliced section is a continuous stratigraphic section constructed from representative cored intervals from the holes at a site. Both the splice and the composite depth scale can be applied to other data sets from Site 1151 to provide a stratigraphically continuous and laterally consistent basis for interpreting lithologic features or data sets. The resulting composite scale showed a 30% improvement in correlation of the magnetic susceptibility data relative to the original mbsf depth scale, and comparable improvement when applied to the other data sets.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 38.751136 * Median Longitude: 143.334085 * South-bound Latitude: 38.750230 * West-bound Longitude: 143.334017 * North-bound Latitude: 38.751980 * East-bound Longitude: 143.334400
Date/Time Start: 1999-07-28T00:00:00 * Date/Time End: 1999-08-12T23:30:00
Event(s):
186-1151 * Latitude: 38.751167 * Longitude: 143.334017 * Date/Time Start: 1999-07-28T00:00:00 * Date/Time End: 1999-08-12T00:00:00 * Elevation: -2177.5 m * Penetration: 3197.8 m * Recovery: 905.5 m * Location: North Pacific Ocean * Campaign: Leg186 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 129 cores; 1225.8 m cored; 1894 m drilled; 73.9% 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:
3 datasets

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Datasets listed in this publication series

  1. McGuire, JC; Acton, GD (2003): (Table T3) Correlation and description of ash layers from ODP Site 186-1151. https://doi.org/10.1594/PANGAEA.783492
  2. McGuire, JC; Acton, GD (2003): (Table T1) Composite depth scale of ODP Site 186-1151. https://doi.org/10.1594/PANGAEA.783491
  3. McGuire, JC; Acton, GD (2003): (Table T4) Splice tie points of ODP Site 186-1151. https://doi.org/10.1594/PANGAEA.783493