designating or of a rock, esp. a metamorphic rock, that was formed, bent, broken, etc. by extreme mechanical pressure
Origin of cataclastic; from Classical Greek kataklastos, broken down ; from kataklan, to snap off: see cata- and amp; clastic
Of or relating to rocks consisting of cemented fragments that originate from the mechanical breakdown of rocks associated with plate tectonic processes.
Origin of cataclasticFrom Norwegian kataklas- (in kataklasstruktur, structure formed by crushing : Greek kata-, cata- + Greek klastos, broken; see clast + Norwegian struktur, structure) + –ic.