Aerobic bacterial pyrite oxidation and acid rock drainage during the Great Oxidation Event

• Published in: Nature (London) Vol. 478; no. 7369; pp. 369 - 374
• Main Authors: Konhauser, Kurt O, Lalonde, Stefan V, Planavsky, Noah J, Pecoits, Ernesto, Lyons, Timothy W, Mojzsis, Stephen J, Rouxel, Olivier J, Barley, Mark E, Rosiere, Carlos, Fralick, Phillip W, Kump, Lee R, Bekker, Andrey
• Format: Journal Article
• Language: English
• Published: Nature Publishing Group 20.10.2011
• Subjects: Acid mine drainage; Environmental aspects; Pyrites; Rocks, Sedimentary; Australia; Canada

The enrichment of redox-sensitive trace metals in ancient marine sedimentary rocks has been used to determine the timing of the oxidation of the Earth's land surface (1,2). Chromium (Cr) is among the emerging proxies for tracking the effects of atmospheric oxygenation on continental weathering;...