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High-pressure mechanical instability in rocks

Science

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Abstract

At a confining pressure of a few kilobars, deformation of many sedimentary rocks, altered mafic rocks, porous volcanic rocks, and sand is ductile, in that instabilities leading to audible elastic shocks are absent. At pressures of 7 to 10 kilobars, however, unstable faulting and stick-slip in certain of these rocks was observed. This high pressure-low temperature instability might be responsible for earthquakes in deeply buried sedimentary or volcanic sequences.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
High-pressure mechanical instability in rocks
Series title:
Science
Volume
164
Issue:
3880
Year Published:
1969
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Science
First page:
713
Last page:
715
Number of Pages:
3