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Nature Geoscience 1, E10 (1 June 2008) | doi:10.1038/ngeo222
Snowballs from the past
Abstract
What was the objective of the work at the beginning of the project? We originally set out to try to understand the presence of a distinctive carbonate horizon that sharply overlies Neoproterozoic glacial deposits (formed |[sim]|635 million years ago) in basins around the world. Carbonates, often interpreted as warm-climate indicators, are not commonly associated with glacial deposits in the geological record.
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