Maskelynite: Formation by explosive shock

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When high pressure (250 to 300 kilobars) was applied suddenly (shock-loading) to gabbro, the plagioclase was transformed to a noncrystalline phase (maskelynite) by a solid-state reaction at a low temperature, while the proxene remained crystalline. The shock-loaded gabbro resembles meteorites of the shergottite class; this suggests that the latter formed as a result of shock. The shock-loading of gabbro at 600 to 800 kilobars raised the temperature above the melting range of the plagioclase.
Publication type Article
Publication Subtype Journal Article
Title Maskelynite: Formation by explosive shock
Series title Science
Volume 140
Issue 3567
Year Published 1963
Language English
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Science
First page 670
Last page 671
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