metacryst

metacryst
\\ˈ ̷ ̷ ̷ ̷ˌkrist\ noun (-s)
Etymology: meta- + phenocryst
: a crystal of a secondary mineral embedded in metamorphic rock — called also porphyroblast

Useful english dictionary. 2012.

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Look at other dictionaries:

  • metacryst — /met euh krist /, n. Geol. a crystal formed by recrystallization of minerals in a metamorphic rock. [1910 15; META + (PHENO)CRYST] * * * …   Universalium

  • metacryst — n. crystal formed during the re crystallization of minerals contained in a metamorphic rock (Geology) …   English contemporary dictionary

  • metacryst — meta·cryst …   English syllables

  • Cataclastic — rocks contain angular fragments formed by cataclasis. Cataclasis is a deformation of the rock caused by fracture and rotation of aggregates or mineral grains. The term cataclastic refers to the structure produced in a rock by the actions of… …   Wikipedia

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