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Isotopic Composition of Carbonates in a Marginal Marine Formation

Nature Physical Science volume 232, pages 87–88 (1971)Cite this article

Abstract

THERE has been much interest in the use of the carbon and oxygen isotopic composition of fossils and limestones for determinations of palaeosalinities. We wish to show that, at least in marginal marine environments, fossils can have very different compositions from their matrix. Diagenesis has obliterated the record of depositional environment from the matrix, and whole rock samples should therefore not be used in palaeo-ecological isotope studies. Well preserved fossils, however, retain their isotopic composition.

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Authors and Affiliations

  1. Minnesota Geological Survey, University of Minnesota, Minneapolis, Minnesota, 55455

    F. C. TAN

  2. Department of Geology, The University, Leicester,

    J. D. HUDSON

Authors
  1. F. C. TAN
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  2. J. D. HUDSON
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TAN, F., HUDSON, J. Isotopic Composition of Carbonates in a Marginal Marine Formation. Nature Physical Science 232, 87–88 (1971). https://doi.org/10.1038/physci232087a0

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