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Acton, Gary D; Guyodo, Yohan; Brachfeld, Stefanie A (2002): Magnetostratigraphy of ODP Leg 178 holes. PANGAEA, https://doi.org/10.1594/PANGAEA.737913, Supplement to: Acton, GD et al. (2002): Magnetostratigraphy of sediment drifts on the continental rise of West Antarctica (ODP Leg 178, Sites 1095, 1096, and 1101). In: Barker, PF; Camerlenghi, A; Acton, GD; Ramsay, ATS (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 178, 1-61, https://doi.org/10.2973/odp.proc.sr.178.235.2002

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Abstract:
We present revised magnetostratigraphic interpretations for Ocean Drilling Program Sites 1095, 1096, and 1101, cored in sediment drifts located off the Pacific margin of the Antarctic Peninsula. The revised interpretations incorporate a variety of observations and results obtained since the end of Leg 178, of which the most significant are new paleomagnetic measurements from U-channel samples, composite depth scales that allow stratigraphic correlation between multiple holes cored at a site, and revised biostratigraphic interpretations. The U-channel data, which include more than 102,000 paleomagnetic observations from more than 13,400 intervals along U-channel samples, are included as electronic files. The magnetostratigraphic records at all three sites are consistent with sedimentation being continuous over the intervals cored, although the data resolution does not preclude short hiatuses less than a few hundred thousand years in duration. The magnetostratigraphic records start at the termination of Subchron C4Ar.2n (9.580 Ma) at ~515 meters composite depth (mcd) for Site 1095, at the onset of Subchron C3n.2n (4.620 Ma) at ~489.68 mcd for Site 1096, and at the onset of Subchron C2An.1n (3.040 Ma) at 209.38 meters below seafloor for Site 1101. All three sites provide paleomagnetic records that extend upward through the Brunhes Chron.
Project(s):
Coverage:
Median Latitude: -66.743679 * Median Longitude: -76.608561 * South-bound Latitude: -67.566817 * West-bound Longitude: -78.488080 * North-bound Latitude: -64.372200 * East-bound Longitude: -70.261180
Date/Time Start: 1998-02-13T00:00:00 * Date/Time End: 1998-03-18T10:30:00
Event(s):
178-1095 * Latitude: -66.985400 * Longitude: -78.487867 * Date/Time: 1998-02-13T00:00:00 * Elevation: -3841.4 m * Penetration: 745 m * Recovery: 554.1 m * Location: South Pacific Ocean * Campaign: Leg178 * Basis: Joides Resolution * Method/Device: Composite Core (COMPCORE) * Comment: 72 cores; 662 m cored; 83 m drilled; 83.7% recovery
178-1095A * Latitude: -66.985450 * Longitude: -78.487310 * Date/Time Start: 1998-02-17T16:15:00 * Date/Time End: 1998-02-18T19:30:00 * Elevation: -3841.6 m * Penetration: 87.3 m * Recovery: 86.48 m * Location: South Pacific Ocean * Campaign: Leg178 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 10 cores; 87.3 m cored; 0 m drilled; 99.1 % recovery
178-1095B * Latitude: -66.985450 * Longitude: -78.487820 * Date/Time: 1998-02-18T00:00:00 * Elevation: -3841.6 m * Penetration: 570.2 m * Recovery: 385.75 m * Location: South Pacific Ocean * Campaign: Leg178 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 52 cores; 487.2 m cored; 83 m drilled; 79.2 % recovery
Size:
18 datasets

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Datasets listed in this publication series

  1. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T1) Combined magnetostratigraphy of ODP Site 178-1095. https://doi.org/10.1594/PANGAEA.737851
  2. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T1) Magnetostratigraphy of ODP Site 178-1095. https://doi.org/10.1594/PANGAEA.737848
  3. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T10) Principal component analysis results from U-channel paleomagnetic data, ODP Hole 178-1095A. https://doi.org/10.1594/PANGAEA.737895
  4. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T11) Principal component analysis results from U-channel paleomagnetic data, ODP Hole 178-1095B. https://doi.org/10.1594/PANGAEA.737899
  5. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T12) Principal component analysis results from U-channel paleomagnetic data, ODP Hole 178-1095D. https://doi.org/10.1594/PANGAEA.737901
  6. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T13) Principal component analysis results from U-channel paleomagnetic data, ODP Hole 178-1096A. https://doi.org/10.1594/PANGAEA.737904
  7. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T14) Principal component analysis results from U-channel paleomagnetic data, ODP Hole 178-1096B. https://doi.org/10.1594/PANGAEA.737905
  8. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T15) Principal component analysis results from U-channel paleomagnetic data, ODP Hole 178-1101A. https://doi.org/10.1594/PANGAEA.737906
  9. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T16) Correlation of the logging depth scale with the mbsf and mcd scales, ODP Hole 178-1095B. https://doi.org/10.1594/PANGAEA.737890
  10. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T2) Combined magnetostratigraphy of ODP Site 178-1096. https://doi.org/10.1594/PANGAEA.737853
  11. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T2) Magnetostratigraphy of ODP Site 178-1096. https://doi.org/10.1594/PANGAEA.737849
  12. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T3) Magnetostratigraphy of ODP Hole 178-1101A. https://doi.org/10.1594/PANGAEA.737854
  13. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T4) Paleomagnetic data from U-channel samples from ODP Hole 178-1095A. https://doi.org/10.1594/PANGAEA.142986
  14. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T5) Paleomagnetic data from U-channel samples from ODP Hole 178-1095B. https://doi.org/10.1594/PANGAEA.142987
  15. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T6) Paleomagnetic data from U-channel samples from ODP Hole 178-1095D. https://doi.org/10.1594/PANGAEA.142989
  16. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T7) Paleomagnetic data from U-channel samples from ODP Hole 178-1096A. https://doi.org/10.1594/PANGAEA.142990
  17. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T8) Paleomagnetic data from U-channel samples from ODP Hole 178-1096B. https://doi.org/10.1594/PANGAEA.142991
  18. Acton, GD; Guyodo, Y; Brachfeld, SA (2002): (Table T9) Paleomagnetic data from U-channel samples from ODP Hole 178-1101A. https://doi.org/10.1594/PANGAEA.142992