Hi,
I just glanced over this story this morning and was wondering if anyone
had any comments on the implications of this theory on the polonium (?)
halos so often talked about. Story can be found at:
http://www.newsandevents.utoronto.ca/bin1/001206a.asp
Earth's continental land masses created in short, fast bursts
Findings challenge multi-million year continental crust theory
Joel
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