What is it about?
• Mineralogical association of ankerite, dolomite and chamosite in carbonates. • Presence of oolitic texture indicates shallow marine high-energy deposition. • Suboxic-anoxic depositional environment inferred from geochemical proxies. • Late Paleoproterozoic atmospheric oxygen level of <0.2% PAL inferred.
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Why is it important?
The publication helps in understanding the evolution of atmosphere and hydrosphere during the “boring billion” period of Paleoproterozoic.
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This page is a summary of: Geochemistry of carbonate rocks of the Chilpi Group, Bastar Craton, India: Implications on ocean paleoredox conditions at the late Paleoproterozoic Era, Precambrian Research, February 2021, Elsevier,
DOI: 10.1016/j.precamres.2020.106023.
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