Extinct Isotope Heterogeneities in the Mantles of Earth and Mars: I mplications for Mantle Stirring Rates

Details Extinct Isotope Heterogeneities in the Mantles of Earth and Mars: I mplications for Mantle Stirring Rates Extinct Isotope Heterogeneities in the Mantles of Earth and Mars: I mplications for Mantle Stirring Rates

Mar 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012lpi....43.2210j&link_type=abstract

43rd Lunar and Planetary Science Conference, held March 19–23, 2012 at The Woodlands, Texas. LPI Contribution No. 1659, id.2210

Physics

Scientific paper

On the basis of both extinct (^1^8^2Hf-^1^8^2W and ^1^4^6Sm-^1^4^2Nd)
and long-lived (Sr and Nd) isotope systems we have shown that the
mantles of Earth and Mars exhibit substantially different mixing or
stirring rates (~500 m.y. and 2000 m.y., respectively).

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