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Rethinking Early Atmospheric Oxygen
2013-04-25 02:00:00| Climate Ark Climate Change & Global Warming Newsfeed
ScienceDaily: A research team of biogeochemists at the University of California, Riverside has provided a new view on the relationship between the earliest accumulation of oxygen in the atmosphere, arguably the most important biological event in Earth history, and its relationship to the sulfur cycle. A general consensus exists that appreciable oxygen first accumulated in Earth's atmosphere around 2.4 to 2.3 billion years ago. Though this paradigm is built upon a wide range of geological and geochemical observations,...
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Category:Electronics and Electrical