Rhythmic bedding produced in Cretaceous pelagic carbonate environments: Sensitive recorders of climatic cycles

David J. Bottjer, Michael Allan Arthur, Walter E. Dean, Donald E. Hattin, Charles E. Savrda

Research output: Contribution to journalArticle

55 Scopus citations

Abstract

Various types of rhythmic bedding are prominent features of Cretaceous pelagic carbonates. These bedding rhythms are the primary depositional result of variations in carbonate productivity, terrigenous dilution, redox conditions and/or the energy of bottom currents. Each bedding cycle type is different in its expression in the stratigraphic record but ultimately was caused by rhythmic climatic variations related to variations in receipt of solar insolation as the result of the earth's orbital characteristics, the so‐called Milankovitch cycles. Stratigraphic sequences may contain a single bedding cycle type or a composite of several types. Although sediment type and sedimentary structures were influenced by variations in local climatic, oceanographic, tectonic, and diagenetic parameters, pelagic carbonate environments during the Cretaceous were particularly sensitive recorders of orbitally induced changes in worldwide climate.

Original languageEnglish (US)
Pages (from-to)467-481
Number of pages15
JournalPaleoceanography
Volume1
Issue number4
DOIs
StatePublished - Jan 1 1986

All Science Journal Classification (ASJC) codes

  • Oceanography
  • Palaeontology

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