Oldest Earth Mantle Reservoir Discovered
Wed, 11 Aug 2010 12:15:00 -0500
Researchers have found a primitive Earth mantle reservoir on Baffin Island in the Canadian Arctic. Geologist Matthew Jackson and his colleagues from a multi-institution collaboration report the finding--the first discovery of what may be a primitive Earth mantle--this week in the journal Nature.
The Earth's mantle is a rocky, solid shell that is between the Earth's crust and the outer core, and makes up about 84 percent of the Earth's volume. The mantle is made up of many ...
More at http://www.nsf.gov/news/news_summ.jsp?cntn_id=117492&WT.mc_id=USNSF_51&WT.mc_ev=click
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