Fluctuations in Precambrian atmospheric oxygenation recorded by chromium isotopes | JournalFire

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Fluctuations in Precambrian atmospheric oxygenation recorded by chromium isotopes

Frei Robert, Gaucher Claudio, Poulton Simon W, Canfield Don E

Nature. 2009 Sep 10; 461(7261): 250-253.

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David Johnston (Harvard University) to Harvard Geobiology

Here is a paper exploring a new isotope system. Would be good to get the Hansel group's take on this, as their expertise is closely aligned with the microbial aspects of this geochemical cycle. Overall, as one might expect, there is a transition associated with the GOE.

September 10, 2009
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Anne Dekas (Caltech) is following 3 new articles in Caltech Geobiology : Suggested Papers for Discussion

The importance of niches for the maintenance of species diversity. Levine Jonathan M (2009) Nature.
Fluctuations in Precambrian atmospheric oxygenation recorded by chromium isotopes. Frei Robert (2009) Nature.
Photosystem I gene cassettes are present in marine virus genomes. Sharon Itai (2009) Nature.

September 9, 2009
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