A paleosol record of the evolution of Cr redox cycling and evidence for an increase in atmospheric oxygen during the Neoproterozoic

Colwyn, DA; Sheldon, ND; Maynard, JB; Gaines, R; Hofmann, A; Wang, XL; Gueguen, B; Asael, D; Reinhard, CT; Planavsky, NJ

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

GEOBIOLOGY, 2019; 17 (6): 579

Abstract

Atmospheric oxygen levels control the oxidative side of key biogeochemical cycles and place limits on the development of high-energy metabolisms. Unde......

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