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ABSTRACT

Jenkings et al. 2004

Jenkings, G., M. McMenamin, L. Sohl, and C. McKay (Eds.), 2004: The Extreme Proterozoic: Geology, Geochemistry, and Climate. AGU Geophysical Monograph 146. American Geophysical Union.

The "Snowball Earth" hypothesis has sparked interest and research from a variety of geoscience disciplines. What were extreme conditions like during the Proterozoic era? How did life survive such harsh conditions and how did the Earth exit from them? Is there evidence for mass extinction? What do the rock record and geochemical studies tell us about the timing and duration of these events? Is it possible to represent low-latitude glaciation in climate models, and what are the caveats? Are there alternative views to a completely snow- and ice-covered Earth?

The Extreme Proterozoic responds to such questions, from four vantage points: 1) Observational evidence of extreme climatic conditions; 2) Geochemical and coupled climate modeling studies; 3) Alternative hypotheses for explaining low-latitude glacial deposits; 4) The biosphere and extreme climatic conditions.

Geochemists and climatologists, atmospheric physicists and chemists, petrologists, geomagnetic and paleomagnetic scientists, and students of the early Earth will find this book a fascinating resource for current and future research.

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