TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

CATACLASTIC [2 records]

Record 1 2016-02-26

English

Subject field(s)
  • Petrography
DEF

Of or pertaining to a texture found in metamorphic rocks in which brittle minerals have been broken and flattened in a direction perpendicular to the pressure stress.

PHR

Cataclastic rock, cataclastic texture.

French

Domaine(s)
  • Pétrographie
DEF

Se dit d'une structure d'écrasement en relation avec la cataclase, et caractérisée par l'émiettement des minéraux, leur étirement et leur orientation préférentielle, donnant à la roche un aspect folié et rubané.

PHR

Roche cataclastique, texture cataclastique.

Spanish

Campo(s) temático(s)
  • Petrografía
DEF

Dícese de la textura de aquellas rocas metamórficas cuyos cristales, tras haber sido triturados por movimientos tectónicos, han sido cementados ulteriormente por un cuarzo nuevamente formado.

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Record 2 2006-05-24

English

Subject field(s)
  • Petrography
DEF

[Said of a] flow involving intergranular movement, i.e. mechanical displacement of particles relative to each other.

CONT

Cataclastic flow refers to distributed microfractures at grain level such that at a mesoscopic level or hand specimen scale the rock appears to flow, and therefore is "ductile".

French

Domaine(s)
  • Pétrographie
DEF

Se dit d'un fluage caractérisé par des déformations dans lesquelles les unités de fluage en déplacement relatif sont des fragments de roches ou de cristaux.

PHR

Fluage cataclastique.

Spanish

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