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Mineralogical Co-Evolution of the Geo- and Biospheres

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Uploaded by on Sep 29, 2011

Dr. Robert Hazen, George Mason University, talks about the evolution of minerals on Earth, and other planets. First there were 6, then 12 minerals, eventually over 4400 minerals, which took several billon of years Mars on the other hand, has fewer than 500, while our moon and Mercury have less than 400! Amazing stuff.

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