Timing and paleoceanography of oceanic dysoxia/anoxia in the late Barremian to early Aptian (early Cretaceous)

Timothy Bralower, Michael Allan Arthur, R. M. Leckie, W. V. Sliter, D. J. Allard, S. O. Schlanger

Research output: Contribution to journalArticle

225 Citations (Scopus)

Abstract

Normal marine deposition in the early Aptian was interrupted by an episode of ocean-wide dysoxia/anoxia. This event is recorded by the occurrence of organic carbon-rich sediments in land sections from Europe and DSDP/ODP sites in the North and South Atlantic, Indian and Pacific Ocean Basins. To elucidate the origin, and spatial and temporal relationships of these carbonaceous sediments, an integrated biostratigraphic, lithostratigraphic and geochemical investigation has been conducted of fourteen sections from a range of geographic and oceanographic settings. Based on the resulting high-resolution, integrated foraminiferal and nannofossil biostratigraphy, it appears that most locations were characterized by a relatively brief interval of peak dysoxia/anoxia in the midst of a longer interval of intermittent oxygen deficiency which began in the late Barremian. -from Authors

Original languageEnglish (US)
Pages (from-to)335-369
Number of pages35
JournalPalaios
Volume9
Issue number4
DOIs
StatePublished - Jan 1 1994

Fingerprint

paleoceanography
Barremian
anoxia
Aptian
hypoxia
Cretaceous
nanofossil
ocean basin
Deep Sea Drilling Project
Ocean Drilling Program
biostratigraphy
sediment
sediments
microfossils
organic carbon
Indian Ocean
Atlantic Ocean
Pacific Ocean
ocean
oceans

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Palaeontology

Cite this

Bralower, T., Arthur, M. A., Leckie, R. M., Sliter, W. V., Allard, D. J., & Schlanger, S. O. (1994). Timing and paleoceanography of oceanic dysoxia/anoxia in the late Barremian to early Aptian (early Cretaceous). Palaios, 9(4), 335-369. https://doi.org/10.2307/3515055
Bralower, Timothy ; Arthur, Michael Allan ; Leckie, R. M. ; Sliter, W. V. ; Allard, D. J. ; Schlanger, S. O. / Timing and paleoceanography of oceanic dysoxia/anoxia in the late Barremian to early Aptian (early Cretaceous). In: Palaios. 1994 ; Vol. 9, No. 4. pp. 335-369.
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Timing and paleoceanography of oceanic dysoxia/anoxia in the late Barremian to early Aptian (early Cretaceous). / Bralower, Timothy; Arthur, Michael Allan; Leckie, R. M.; Sliter, W. V.; Allard, D. J.; Schlanger, S. O.

In: Palaios, Vol. 9, No. 4, 01.01.1994, p. 335-369.

Research output: Contribution to journalArticle

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