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Romine, Karen (1986): Planktonic foraminifers from Oligocene to Pleistocene sediments of DSDP Leg 92 sites [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.802495, Supplement to: Romine, K (1986): Planktonic foraminifers from Oligocene to Pleistocene sediments, Deep Sea Drilling Project Leg 92. In: Leinen, M; Rea DK; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 92, 291-297, https://doi.org/10.2973/dsdp.proc.92.111.1986

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Abstract:
Leg 92 of the Deep Sea Drilling Project cored sediments containing calcareous microfossils at six sites along 19°S latitude in the South Pacific Ocean. Shipboard examination of these sediments revealed planktonic foraminifers of uppermost Oligocene through Pleistocene age that were identified and assigned to biostratigraphic zones according to the tropical zonation scheme of Blow (1969).
Preservation of planktonic foraminifers in the sites from Leg 92 has been affected by the position of each site with respect to the lysocline and calcium carbonate compensation depth (CCD) at the time of deposition, depth of burial, and sediment accumulation rate (rate of burial). An additional factor may also be important, especially in the sediments deposited immediately above basement. Evidence of poor preservation in basal sediments of Holes 600C and 601, which have always been shallower than both the lysocline and the CCD, suggests that hydrothermal solutions circulating within young oceanic crust may penetrate the overlying sediments and affect the preservation of calcareous microfossils deposited there.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Median Latitude: -19.022385 * Median Longitude: -121.607421 * South-bound Latitude: -19.451500 * West-bound Longitude: -129.770500 * North-bound Latitude: -18.806300 * East-bound Longitude: -116.839500
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:
5 datasets

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Datasets listed in this publication series

  1. Romine, K (1986): (Table 2) Planktonic foraminifer species distribution, abundance, and preservation in DSDP Site 92-597. https://doi.org/10.1594/PANGAEA.251183
  2. Romine, K (1986): (Table 3) Planktonic foraminifer species distribution, abundance, and preservation in DSDP Hole 92-598. https://doi.org/10.1594/PANGAEA.251185
  3. Romine, K (1986): (Table 4) Planktonic foraminifer species distribution, abundance, and preservation in DSDP Site 92-599. https://doi.org/10.1594/PANGAEA.251186
  4. Romine, K (1986): (Table 5) Planktonic foraminifer species distribution, abundance, and preservation in DSDP Site 92-600. https://doi.org/10.1594/PANGAEA.251188
  5. Romine, K (1986): (Table 6) Planktonic foraminifer species distribution, abundance, and preservation in DSDP Site 92-601. https://doi.org/10.1594/PANGAEA.251191