Is only CR thoroughly anomalous in carbonaceous chondrites?

Details Is only CR thoroughly anomalous in carbonaceous chondrites? Is only CR thoroughly anomalous in carbonaceous chondrites?

Mar 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28.1121p&link_type=abstract

Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 121.

Computer Science

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Carbonaceous Chondrites, Orgueil Meteorite, Murchison Meteorite, Meteoritic Composition, Chromium Isotopes, Anomalies, Potassium Isotopes, Iron Isotopes, Iron Meteorites

Scientific paper

In CI and CM meteorites essentially all the Cr is isotopically anomalous. Stepwise dissolution of whole rock samples reveals consistent patterns of both deficiencies and excesses of 54 Cr. We have examined the isotopic compositions of K, Ca, Fe, Rb, and Sr in samples of Orgueil previously analyzed for Cr. These elements may exhibit anomalies, notably a few permil excess of 40 K in one dissolution fraction, but there is no pattern of anomalies as large and pervasive as those in Cr. It remains unclear why Cr should be so distinctive.

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