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GRANULAR EXFOLIATION [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2016-02-25

English

Subject field(s)
  • Erosion and Weathering (Geol.)
  • Petrography
DEF

A type of weathering consisting of grain-by-grain breakdown of rock masses composed of discrete mineral crystals that separate from one another along their natural contacts. It produces a coarse mineral debris, each grain having much the same shape and size as in the original rock.

French

Domaine(s)
  • Érosion et corrosion (Géologie)
  • Pétrographie
CONT

La désagrégation granulaire. - Fréquemment, on passe directement de la disjonction en gros blocs à la désintégration en grains ou à la dissolution [...] Les vulcanites [...] sont soumises à une certaine désintégration granulaire. [...] Cette désintégration granulaire est souvent le résultat de l'altération chimique qui, détruisant certains cristaux [...], entraîne la désagrégation de la roche entière.

OBS

désintégration granulaire : terme calqué sur l'anglais «desintegration» : à éviter.

Spanish

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