Tin in mantle-derived rocks - Constraints on Earth evolution

Details Tin in mantle-derived rocks - Constraints on Earth evolution Tin in mantle-derived rocks - Constraints on Earth evolution

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993gecoa..57.3585j&link_type=abstract

Geochimica et Cosmochimica Acta (ISSN 0016-7037), vol. 57, no. 15, p. 3585-3595.

Other

10

Chemical Composition, Earth (Planet), Earth Mantle, Geochemistry, Geochronology, Planetary Evolution, Igneous Rocks, Mass Spectrometers, Tin, Trace Elements

Scientific paper

Tin and other trace elements have been analyzed in a variety of mantle-derived rocks using isotope dilution-spark source mass spectrometry. Tin abundances are determined for mid-ocean ridge basalts, oceanic island basalts, island arc volcanics, and igneous rocks of different ages. The results obtained make it possible to place important constraints on core formation, accretion, and evolution models for the earth. In particular, based on Sn/Sm ratios, it is concluded that the core did not grow during the last 3.4 Ga.

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