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Pressure shadow

A pressure shadow (also called strain shadow) is a term used in metamorphic geology to describe a microstructure in deformed rocks that occurs adjacent to a relatively large, undeformed particle, such as a porphyroclast. Pressure shadows often appear in thin sections as pairs of roughly triangular regions that are elongated parallel to the foliation…

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Formation

Diffusive
1 related topics

Overview

Porphyroclast
1 related topics

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Pressure shadow

Nodes5
Edges4
Triples0
Avg. degree1.6
Density0.4
Components1

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pressure also strain shadows mineral porphyroclast regions shadow called term used metamorphic geology describe microstructure deformed rocks occurs adjacent relatively

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