Authigenic chromium enrichments in Proterozoic ironstones

Cole, DB; O'Connell, B; Planaysky, NJ

Cole, DB (reprint author), Yale Univ, Dept Geol & Geophys, POB 6666, New Haven, CT 06511 USA.

SEDIMENTARY GEOLOGY, 2018; 372 (): 25

Abstract

Chromium isotopes have recently emerged as a proxy for atmospheric oxygen levels in the Precambrian. Chromium (Cr) enrichments, along with a suite of ......

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