Moontanman Posted March 27, 2009 Report Posted March 27, 2009 Deep-sea Rocks Point To Early Oxygen On EarthScienceDaily (Mar. 25, 2009) — Red jasper cored from layers 3.46 billion years old suggests that not only did the oceans contain abundant oxygen then, but that the atmosphere was as oxygen rich as it is today, according to geologists. Deep-sea Rocks Point To Early Oxygen On Earth Quote
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