Snowball Earth Part 2: The Evidence For
cycle. We may never know the true trigger for a "Snowball Earth", and there may have been multiple factors for such events such as the multiple factors that have led to more recent ice ages.
Sources:
Hoffman, Paul and Schrag, Daniel; The Snowball Earth; August 9, 1999 article.
Hoffman, Paul and Schrag, Daniel; Snowball Earth; Scientific American, January 21, 2000.
Other Web Resources:
CalTech Press Release, 2/14/2000.
Webpage for Dr. Joseph Kirschvink.
The copyright of the article Snowball Earth Part 2: The Evidence For in Everyday Geology is owned by Geoff Habiger. Permission to republish Snowball Earth Part 2: The Evidence For in print or online must be granted by the author in writing.
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