Biostratigraphic and paleomagnetic datum levels in sediments from DSDP Site 85-575

doi:doi:10.1594/PANGAEA.711790

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Biostratigraphic and paleomagnetic datum levels in sediments from DSDP Site 85-575

Data on the composition of benthic foraminiferal faunas at Deep Sea Drilling Project Site 575 in the eastern equatorial Pacific Ocean were combined with benthic and planktonic carbon- and oxygen-isotope records and CaCO3 data. Changes in the composition of the benthic foraminiferal faunas at Site 575 predated the middle Miocene period of growth of the Antarctic ice cap and cooling of the deep ocean waters by about 2 m.y., and thus were not caused by this cooling (as has been proposed). The benthic faunal changes may have been caused by increased variability in corrosivity of the bottom waters, possibly resulting from enhanced productivity in the surface waters.

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Cite this as

Thomas, Ellen, Vincent, Edith (1987). Dataset: Biostratigraphic and paleomagnetic datum levels in sediments from DSDP Site 85-575. https://doi.org/10.1594/PANGAEA.711790

DOI retrieved: 1987

Additional Info

Field	Value
Imported on	November 30, 2024
Last update	November 30, 2024
License	CC-BY-3.0
Source	https://doi.org/10.1594/PANGAEA.711790
Author	Thomas, Ellen
Given Name	Ellen
Family Name	Thomas
More Authors	Vincent, Edith
Source Creation	1987
Publication Year	1987
Resource Type	application/zip - filename: Thomas-1987
Subject Areas	Name: Lithosphere
Related Identifiers	Title: Equatorial Pacific deep-sea benthic foraminifera: Faunal changes before the middle Miocene polar cooling Identifier: https://doi.org/10.1130/0091-7613(1987)15%3C1035:EPDBFF%3E2.0.CO;2 Type: DOI Relation: References Year: 1987 Source: Geology Authors: Thomas Ellen , Vincent Edith .