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Resig, Johanna M (1990): Quaternary through early Eocene benthic foraminifera off Peru [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.745662, Supplement to: Resig, JM (1990): Benthic foraminiferal stratigraphy and paleoenvironments off Peru, Leg 112. In: Suess, E; von Huene, R; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 112, 263-296, https://doi.org/10.2973/odp.proc.sr.112.186.1990

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Published: 1990 (exact date unknown) • DOI registered: 2010-10-27

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Abstract:
Stratigraphic assemblages of Quaternary through early Eocene benthic foraminifers were recovered among 10 Peru margin drill sites. Various hiatuses and intervals barren in foraminifers characterize the sections, but numerous samples contain abundant, well-preserved benthic foraminifers.
Bathymetry of the extant species and California-based estimates of the paleobathymetry of the extinct species permit recognition of Quaternary sea-level fluctuations between shelf and upper bathyal depths that produced vertical migrations of oxygenated and low-oxygen habitats at the six shallow sites. Assemblages from lower-slope sites at about 9° and 11°S indicate a general subsidence of the continental margin from shelf or upper bathyal depths in Eocene time to the present lower bathyal depths. Data from 11°S suggest a major part of this subsidence occurred in late Oligocene to early Miocene time. Downslope-transported shelf specimens, particularly the small biserial species, Bolivina costata and B. vaughani, are major contributors to these lower bathyal assemblages from the middle Miocene through Quaternary time.
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: -10.842048 * Median Longitude: -79.001491 * South-bound Latitude: -13.480160 * West-bound Longitude: -80.583500 * North-bound Latitude: -8.991500 * East-bound Longitude: -76.891500
Date/Time Start: 1986-11-01T12:45:00 * Date/Time End: 1986-12-18T09:00:00
Event(s):
112-679D * Latitude: -11.063830 * Longitude: -78.272170 * Date/Time Start: 1986-11-01T12:45:00 * Date/Time End: 1986-11-02T13:15:00 * Elevation: -462.0 m * Penetration: 245.4 m * Recovery: 116.03 m * Location: South Pacific Ocean * Campaign: Leg112 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 27 cores; 245.2 m cored; 0 m drilled; 47.3 % recovery
112-680B * Latitude: -11.065000 * Longitude: -78.077830 * Date/Time Start: 1986-11-05T20:30:00 * Date/Time End: 1986-11-06T14:30:00 * Elevation: -273.0 m * Penetration: 195.5 m * Recovery: 98.45 m * Location: South Pacific Ocean * Campaign: Leg112 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 22 cores; 195.5 m cored; 0 m drilled; 50.4 % recovery
112-681A * Latitude: -10.976660 * Longitude: -77.957670 * Date/Time Start: 1986-11-07T01:15:00 * Date/Time End: 1986-11-08T00:00:00 * Elevation: -161.0 m * Penetration: 187 m * Recovery: 112.4 m * Location: South Pacific Ocean * Campaign: Leg112 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 20 cores; 187 m cored; 0 m drilled; 60.1 % recovery
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
17 datasets

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Datasets listed in this publication series

  1. Resig, JM (1990): (Table 1) Relative abundance of benthic foraminifera in ODP Hole 112-679D. https://doi.org/10.1594/PANGAEA.745625
  2. Resig, JM (1990): (Table 2) Relative abundance of benthic foraminifera in ODP Hole 112-680B. https://doi.org/10.1594/PANGAEA.745626
  3. Resig, JM (1990): (Table 3) Relative abundance of benthic foraminifera in ODP Hole 112-681A. https://doi.org/10.1594/PANGAEA.745627
  4. Resig, JM (1990): (Table 8) Relative abundance of benthic foraminifera in ODP Hole 112-682A, Part I. https://doi.org/10.1594/PANGAEA.745651
  5. Resig, JM (1990): (Table 8) Relative abundance of benthic foraminifera in ODP Hole 112-682A, Part III. https://doi.org/10.1594/PANGAEA.745655
  6. Resig, JM (1990): (Table 8) Relative abundance of benthic foraminifera in ODP Hole 112-682A, Part IV. https://doi.org/10.1594/PANGAEA.745657
  7. Resig, JM (1990): (Table 8) Relative abundance of benthic foraminifera in ODP Hole 112-682A, Part II. https://doi.org/10.1594/PANGAEA.745653
  8. Resig, JM (1990): (Table 7) Relative abundance of benthic foraminifera in ODP Site 112-683. https://doi.org/10.1594/PANGAEA.745647
  9. Resig, JM (1990): (Table 7) Relative abundance of benthic foraminifera in ODP Hole 112-683A. https://doi.org/10.1594/PANGAEA.745646
  10. Resig, JM (1990): (Table 7) Relative abundance of benthic foraminifera in ODP Hole 112-683B. https://doi.org/10.1594/PANGAEA.745648
  11. Resig, JM (1990): (Table 4) Relative abundance of benthic foraminifera in ODP Hole 112-684A. https://doi.org/10.1594/PANGAEA.745642
  12. Resig, JM (1990): (Table 9) Relative abundance of benthic foraminifera in ODP Hole 112-685A. https://doi.org/10.1594/PANGAEA.745658
  13. Resig, JM (1990): (Table 5) Relative abundance of benthic foraminifera in ODP Hole 112-686A. https://doi.org/10.1594/PANGAEA.745643
  14. Resig, JM (1990): (Table 6) Relative abundance of benthic foraminifera in ODP Hole 112-687A. https://doi.org/10.1594/PANGAEA.745645
  15. Resig, JM (1990): (Table 10) Occurrence of benthic foraminifera in ODP Hole 112-688A. https://doi.org/10.1594/PANGAEA.745659
  16. Resig, JM (1990): (Table 10) Occurrence of benthic foraminifera in ODP Hole 112-688E, Part I. https://doi.org/10.1594/PANGAEA.745660
  17. Resig, JM (1990): (Table 10) Occurrence of benthic foraminifera in ODP Hole 112-688E, Part II. https://doi.org/10.1594/PANGAEA.745661