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Browsing Science (Faculty of) by Subject "Earth sciences"
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Transient episodes of mild environmental oxygenation and oxidative continental weathering during the late Archean (American Association for the Advancement of Science, 2015-11-20)It is not known whether environmental O2 levels increased in a linear fashion or fluctuated dynamically between the evolution of oxygenic photosynthesis and the later Great Oxidation Event. New rhenium-osmium isotope data ...