Hf-W evidence for early differentiation of Mars and the eucrite parent body

Details Hf-W evidence for early differentiation of Mars and the eucrite parent body Hf-W evidence for early differentiation of Mars and the eucrite parent body

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28..795l&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 795.

Computer Science

2

Hafnium, Tungsten, Chronometers, Mars Surface, Isotopes, Meteorites

Scientific paper

Measurements have been obtained of the W isotopic compositions and Hf/W ratios of two eucrites and five SNC meteorites. These are the first reported measurements of excess W-182, and the results obtained can be explained by the differentiation of the meteorite protoliths, or just their parent bodies, during the lifetime of Hf-182. Powerful evidence is adduced for extremely early and rapid accretion and differentiation and a lack of subsequent large-scale mixing of the Martian mantle.

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