metamorphism

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Related to Thermal metamorphism: burial metamorphism

met·a·mor·phism

 (mĕt′ə-môr′fĭz′əm)
n.
The process by which rocks are altered in composition, texture, or internal structure by extreme heat, pressure, and the introduction of new chemical substances.

metamorphism

(ˌmɛtəˈmɔːfɪzəm)
n
1. (Geological Science) the process by which metamorphic rocks are formed
2. a variant of metamorphosis

met•a•mor•phism

(ˌmɛt əˈmɔr fɪz əm)

n.
a change in the constitution of a rock by natural means, as pressure and heat.
[1835–45]

met·a·mor·phism

(mĕt′ə-môr′fĭz′əm)
The process by which rocks are changed in composition, texture, or structure by extreme heat and pressure.

metamorphism

1. the process of change in the form and structure of rocks by the agency of heat, water, and pressure.
2. the change of particular types of rock, as limestone into marble. Also called epigenesis. See also change. — metamorphic, adj.
See also: Geology
change in form, structure, shape, appearance, etc. See also geology. — metamorphic, adj.
See also: Change
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.metamorphism - change in the structure of rock by natural agencies such as pressure or heat or introduction of new chemical substancesmetamorphism - change in the structure of rock by natural agencies such as pressure or heat or introduction of new chemical substances
anamorphism - metamorphism that occurs deep under the earth's surface; changes simple minerals into complex minerals
epigenesis - a geological change in the mineral content of rock after the rock has formed
geologic process, geological process - (geology) a natural process whereby geological features are modified
katamorphism - metamorphism that occurs at or near the earth's surface; breaks down complex minerals into simpler ones
References in periodicals archive ?
It is produced by dynamo thermal metamorphism and metasomatism, which occur in the zones where tectonic plates are subducted, changing rocks by heat and pressure, with influx of fluids but without melting.
"The degree of crystallinity of organic matter in Y-793261 shows that it did not undergo thermal metamorphism [change in chemical makeup]," Timothy Jay Fagan, co-author of the study, said in a (https://www.waseda.jp/top/en-news/60739) statement .
"Thermal metamorphism in the lesser Himalaya of Nepal determined from Raman spectroscopy of carbonaceous material".