Zinc isotope anomalies

Details Zinc isotope anomalies Zinc isotope anomalies

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990apj...358l..29v&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 358, July 20, 1990, p. L29-L32.

Astronomy and Astrophysics

Astrophysics

21

Allende Meteorite, Cosmochemistry, Meteoritic Composition, Refractory Materials, Zinc Isotopes, Interstellar Matter, Nuclear Fusion, Solar System

Scientific paper

The Zn isotope composition in refractory-element-rich inclusions of the Allende meteorite are determined. Typical inclusions contain normal Zn. A unique inclusion of the Allende meteorite shows an excess for Zn-66 of 16.7 + or - 3.7 eu (1 eu = 0.01 percent) and a deficit for Zn-70 of 21 + or - 13 eu. These results indicate the preservation of exotic components even for volatile elements in this inclusion. The observed excess Zn-66 correlates with excesses for the neutron-rich isotopes of Ca-48, Ti-50, Cr-54, and Fe-58 in the same inclusion.

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