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katamorphism

American  
[kat-uh-mawr-fiz-uhm] / ˌkæt əˈmɔr fɪz əm /

noun

Geology.
  1. metamorphism at or near the earth's surface: breaks down complex minerals into simpler ones.


Other Word Forms

Etymology

Origin of katamorphism

First recorded in 1900–05; kata- + -morphism

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Representing in terms of weight the mineralogical changes in the katamorphism of serpentine rocks to iron ore, eastern Cuba 172 13.

From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)

The phase of metamorphism dealing with surficial weathering, similar changes below the surface, and the formation of sediments, is called katamorphism or destructive change.

From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)

The sedimentary iron ores in general evidently represent an advanced stage of katamorphism, and illustrate the tendency of this phase of the metamorphic cycle toward simplification and segregation of certain materials.

From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)

The zone in which katamorphism is most active, usually near the surface, is called the zone of katamorphism.

From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)

A given rock may be undergoing katamorphism while rocks on either side at the same depth are suffering anamorphism.

From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)

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