cataclasis

cataclasis
cataclastic /kat'euh klas"tik/, adj.
/kat'euh klay"sis, keuh tak"leuh sis/, n. Petrol.
a process of deformation or metamorphism in which the grains of a rock are fractured and rotated.
[ < Gk katáklasis refraction, equiv. to katakla-, s. of kataklân to break off, refract, break down (kata- CATA- + klân to break) + -sis -SIS; cf. Norw kataklasstruktur (1885)]

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