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contact metamorphism

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noun Geology.
localized metamorphism resulting from the heat of an igneous intrusion.
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Origin of contact metamorphism

First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use contact metamorphism in a sentence

Scientific definitions for contact metamorphism

contact metamorphism

A type of metamorphism in which the mineralogy and texture of a body of rock are changed by exposure to the pressure and extreme temperature associated with a body of intruding magma. Contact metamorphism often results in the formation of valuable minerals, such as garnet and emery, through the interaction of the hot magma with adjacent rock. See also aureole. Compare regional metamorphism.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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