Palaeoenvironment and carbon isotope stratigraphy of Upper Proterozoic carbonates of the Yangtze Platform

Abstract

The δ13C values for Phanerozoic marine carbonates display secular trends, mainly in the range –1 to 2‰1. These have been interpreted as primary features reflecting changes in the carbon isotope composition of dissolved bicarbonate in seawater, brought about largely by variations in the proportions of carbon being sequestered in the oxidized and reduced… (More)
DOI: 10.1038/325140a0

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