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Leinen, Margaret W (1986): Calcium carbonate in sediments at DSDP Leg 92 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.789592, Supplement to: Leinen, MW (1986): Calcium carbonate sedimentation at subtropical South Pacific drill sites from Leg 92 and the carbonate stratigraphy of Site 598: Preliminary studies. In: Leinen, M; Rea DK; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 92, 305-330, https://doi.org/10.2973/dsdp.proc.92.113.1986

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Published: 1986 (exact date unknown) • DOI registered: 2012-11-06

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Abstract:
The carbonate contents of sediments recovered at Leg 92 Sites 597, 598, and 601 were determined at 5-cm intervals. The long-term record of carbonate variation at Sites 597 and 598 shows the effect of decreasing dilution by hydrothermal phases as the sites moved away from the ridge crest at which they formed. Superimposed on this trend are high-amplitude variations in carbonate content. In the lower portions of Sites 597 and 598 the high-amplitude variations have a duration of a few hundred thousand years. The upper portion of the sediment column at both sites was deposited below the lysocline, and high-amplitude variations in this interval represent 1 to 2 m.y. The data suggest that only very intense carbonate dissolution events can be identified reliably at sites with low accumulation rates. At sites like Site 598, where the sedimentation rate is higher, the details of carbonate variation can be correlated with the carbonate lithostratigraphies developed for sites in the equatorial and North Pacific oceans.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: -18.919889 * Median Longitude: -124.320315 * South-bound Latitude: -19.004700 * West-bound Longitude: -129.770500 * North-bound Latitude: -18.806300 * East-bound Longitude: -116.840800
Date/Time Start: 1983-03-02T00:00:00 * Date/Time End: 1983-03-25T00:00:00
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. Leinen, MW (1986): (Table 3) Age and nannofossil zone at DSDP Site 92-598. https://doi.org/10.1594/PANGAEA.789587
  2. Leinen, MW (1986): (Appendix A) CaCO3 concentrations at DSDP Hole 92-597. https://doi.org/10.1594/PANGAEA.789703
  3. Leinen, MW (1986): (Appendix B) CaCO3 concentrations at DSDP Hole 92-598. https://doi.org/10.1594/PANGAEA.789704
  4. Leinen, MW (1986): (Appendix C) CaCO3 concentrations at DSDP Hole 92-601 and Piston Core Ariadne II GC8. https://doi.org/10.1594/PANGAEA.789706
  5. Leinen, MW (1986): (Table 1) Sedimentation and carbonate accumulation rate estimates at DSDP Sites 92-597, 92-598, and 92-601. https://doi.org/10.1594/PANGAEA.789584
  6. Leinen, MW (1986): (Table 2) General statistics for calcium carbonate records at DSDP Sites 92-597, 92-598, and 92-601. https://doi.org/10.1594/PANGAEA.789585