TERMIUM Plus®

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

MUD BRECCIA [2 records]

Record 1 2016-01-15

English

Subject field(s)
  • Geomorphology and Geomorphogeny
  • Tectonics
  • Petrography
DEF

Soft, uncemented pulverized clayey or claylike material, commonly a mixture of minerals in finely divided form, found along some faults or between the walls of a fault, and filling or partly filling a fault zone.

OBS

... a slippery mud that coats the fault surface or cements the fault breccia.... It is formed by the crushing and grinding of rock material as the fault developed, as well as by subsequent decomposition and alteration caused by underground circulating solutions.

French

Domaine(s)
  • Géomorphologie et géomorphogénie
  • Tectonique
  • Pétrographie
OBS

Le déplacement le long d'une faille broie souvent la roche et forme un amas de roches moulues ressemblant à de l'argile; cet amas, dont l'épaisseur varie d'une fraction de pouce à plusieurs pieds, est appelé salbande.

Spanish

Campo(s) temático(s)
  • Geomorfología y geomorfogénesis
  • Tectónica
  • Petrografía
DEF

Roca de falla sin cohesión, de grano fino o muy fino y rica en arcillas, que puede poseer una foliación tectónica y que contiene menos del 30% de fragmentos visibles.

CONT

La salbanda de falla es una roca arcillosa pulvurulenta, poco consolidada y rompible con los dedos (salvo cuando ha sido cementada por fluidos hidrotermales), que pueden presentar colores desde blanco grisáceo hasta llamativos colores (rojos, verdes, violáceos).

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Record 2 1976-12-15

English

Subject field(s)
  • Chemical Engineering
  • Geology
OBS

A breccia formed where irregular dried-out and mud-cracked polygons have broken into angular fragments which have then been deposited with other sediments.

French

Domaine(s)
  • Génie chimique
  • Géologie
OBS

Ce type de "sol durci à polygones de dessiccation" peut évoluer jusqu'à l'éclatement de la partie supérieure du sédiment en faisant apparaître des "brèches de tassement", aux fragments non déplacés.

Spanish

Save record 2

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