metamorphism


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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.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

metamorphism

(ˌmɛtəˈmɔːfɪzəm)
n
1. (Geological Science) the process by which metamorphic rocks are formed
2. a variant of metamorphosis
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

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.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
But the descriptions which we now possess of the Silurian deposits over immense territories in Russia and in North America, do not support the view, that the older a formation is, the more it has suffered the extremity of denudation and metamorphism.
In southern Paraguay, the Precambrian basement of Lower Proterozoic age comprises a metamorphic suite of gneisses, metaquartzites, schists and iron formations of the Tebicuary Complex overlain by clastic sediments including conglomerates, sandstones and siltstones that have been subjected to low grade metamorphism (Paso Pindo Group).
Regional metamorphism involves the alteration of mineral assemblages in rocks as temperature and pressure increase with burial deeper in the Earth.
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.
Kyanite-garnet bearing tonalite, which is reported for first time from the Chilas complex in Kiner Gah area, indicates crustal contamination and amphibolite grade metamorphism.
For finding the prime features engaged in provoking the uplift and studying the growth of metamorphism by using geo-sequential data, Treloar in 2001 did a lot of research over the area.
com) Metamorphism and cosmology in both nature and religion also preoccupied him: "Anthropomorphic subjects appear and reappear in my jewels.
At the same time, the farming community of the region would also rejoice the fruits of Jewar Airport in terms of attracting consumer and export consignments for their agriculture and horticulture produce as also begin a new chapter in metamorphism of air passenger and air cargo movement in the entire country, added Sinha.
Upon closer examination, the cone-like shapes were shown to be ridges that typically arise over millions of years through a natural deforming process called metamorphism.
"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 .