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The AAPG/Datapages Combined Publications Database
Journal of Sedimentary Research (SEPM)
Abstract
Extension of Berner's "New Geochemical Classification of Sedimentary Environments" to Ancient Sediments
J. Barry Maynard
ABSTRACT
Using stable isotopes of carbon and oxygen in siderite nodules and lithology of host shales, one can recognize geochemical environments proposed by Berner in Devonian-Carboniferous sediments of the Appalachian basin. His oxic, post-oxic, and sulfidic diagenetic environments are well represented; sediments of the methanic environment may be present, but the evidence is equivocal. The sulfidic sediments can be further subdivided into well laminated and bioturbated, corresponding to the presence of H2S in the overlying water in the first case but confined to the sediment pore waters in the second.
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