Reports

Cation Disorder in Shocked Orthopyroxene

Science  05 Nov 1971:
Vol. 174, Issue 4009, pp. 581-583
DOI: 10.1126/science.174.4009.581

Abstract

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.

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