Reconciling evidence of oxidative weathering and atmospheric anoxia on Archean Earth
Aleisha C. Johnson, Chadlin M. Ostrander, Stephen J. Romaniello, Christopher T. Reinhard, Allison T. Greaney, Timothy W. Lyons, Ariel D. Anbar
Abstract
levels were vanishingly low according to our calculations but substantially above those predicted for an abiotic Earth system.
Topics & Concepts
ArcheanAtmospheric oxygenAtmosphere (unit)Early EarthWeatheringEnvironmental scienceEarth (classical element)Earth scienceAbiotic componentMolybdenumEnvironmental chemistryGeologyOxygenAstrobiologyGeochemistryAtmospheric sciencesChemistryBiologyPaleontologyPhysicsMeteorologyOrganic chemistryMathematical physicsInorganic chemistryGeochemistry and Elemental AnalysisPaleontology and Stratigraphy of FossilsGeological and Geochemical Analysis