Abstract: A summary of the results on the occurrence of disordered pyroxene in chondrites is presented. Disordered orthopyroxene has been found in 5 of 15 enstatite and 20 of 51 ordinary chondrites. X-ray diffraction studies of Bamle enstatite deformed under shearing stress conditions (29–34 kbars at 500–900°C) and 150 and 450 kbars explosive shock, Papuan clinoenstatite, and synthetic enstatites, produced by arc fusion melting, have also been made, and only synthetic crystals show disorder similar to that found in meteorites.
Publication Year: 1968
Publication Date: 1968-11-01
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 20
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