Earth and Planetary Science Letters · 2015 · 146 citations · 60 references
Natural SciencesEarth SciencesOceanographyChemical OceanographyMarine BiogeochemistryPolar OceanographyArctic OceanographyIsotope BiogeochemistryIsotope GeochemistryMarine GeochemistryPolar Ocean ChemistryStable Isotope AnalysisChromium BiogeochemistryChromium Speciation AnalysisEnvironmental IsotopesIsotope MonitoringSeawater Isotope CompositionSpecies-specific Isotope Fractionation
60
Low Mid-Proterozoic atmospheric oxygen levels and the delayed rise of animals
Noah J. Planavsky, Christopher T. Reinhard, Xiangli Wang et al. · Science · 2014 · 760 citations
Atmospheric oxygenation three billion years ago
Sean A. Crowe, Lasse Nørbye Døssing, Nicolas J. Beukes et al. · Nature · 2013 · 641 citations