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Maskelynite: Formation by explosive shock

Science

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Abstract

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.

Additional Publication Details

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