"How does the environments in which cynobacteria live today compare with their past environments?"
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Further Studies on the Rise of Atmospheric Oxygen
November 28, 2005 / Posted by: Shige Abe
Lee Kump of NAI’s Pennsylvania State University Lead Team is co-author on a new paper in GSA Today examining the rise of atmospheric oxygen at the Archean-Proterozoic transition, 2.5-2.0 billion years ago. The team of international researchers studied sedimentary and volcanic rocks from the Fennoscandian Shield, which provides a fairly complete record of the hallmark events of that transition.
Source: [Link]
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