Crust-Mantle Reservoirs of Radiogenic Isotopes of Mars and Earth: Where Can We See a Mixing?

Details Crust-Mantle Reservoirs of Radiogenic Isotopes of Mars and Earth: Where Can We See a Mixing? Crust-Mantle Reservoirs of Radiogenic Isotopes of Mars and Earth: Where Can We See a Mixing?

Jan 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002usnc.conf...13d&link_type=abstract

Unmixing the SNCs: Chemical, Isotopic, and Petrologic Components of the Martian Meteorites, p. 13-14

Mathematics

Logic

Planetary Evolution, Radiogenic Materials, Mars Surface, Planetary Mantles, Isotope Ratios, Earth Crust, Planetary Magnetic Fields, Magma, Convection, Tectonics

Scientific paper

The Earth is still a dynamic planet, with mantle convection sufficient to drive the tectonic plates and outer core convection strong enough to produce a magnetic field. Mars started its geological life almost as the Earth and had in the past a liquid core, able to generate a strong magnetic field. But today, Mars has lost this internal magnetic dynamo and its mantle is probably slowly convecting. The study of radiogenic isotopes in the Martian meteorites (SNC), reveals that their parent body "must be frozen" in its planetary evolution.

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