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Science 5 November 1971:
Vol. 174. no. 4009, pp. 581 - 583
DOI: 10.1126/science.174.4009.581
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Articles

Cation Disorder in Shocked Orthopyroxene

R. W. Dundon 1 and S. S. Hafner 2

1 Department of Chemistry, Marquette University, Milwaukee, Wisconsin 53233
2 Department of Geophysical Sciences, University of Chicago, Chicago, Illinois

The distribution of magnesium and iron over the M1 and M2 positions in Bamle enstatite shocked at 1 megabar is highly disordered. It corresponds to an equilibrium distribution of at least 1000°C. The distribution in samples shocked at 450 kilobars or less is undisturbed.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Mossbauer Spectroscopy: Recent Developments: The current status of Mossbauer spectroscopy is reviewed, emphasizing materials science applications.
R. L. Cohen and R. L. Cohen (1972)
Science 178, 828-835
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Science. ISSN 0036-8075 (print), 1095-9203 (online)