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Rock Bands Spin an Oxygen Record
June 22, 2009 / Written by: Michael Schirber
The rise of oxygen on early Earth may have been caused by a microbial changing of the guard between methane-producers and oxygen-producers. This swap may have been initiated by a drop in the ocean’s nickel abundance. Continuing studies of the world’s largest iron ore deposits could cement the case.
Source: [Astrobiology Magazine]
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