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DECKE [1 record]

Record 1 2007-10-18

English

Subject field(s)
  • Tectonics
DEF

A sheetlike, allochthonous rock unit, which has moved on a predominantly horizontal surface.

CONT

These contractional structures were passively transported during the gravitationally driven final emplacement of the nappe sheet. Structures related to the gliding event are extensional, commonly C'-type shear bands and extensional vein systems.

OBS

The mechanism may be thrust faulting, recumbent folding, or both.

OBS

decke: The German equivalent of nappe, sometimes used in the English-language literature.

OBS

nappe; nappe sheet : terms used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Tectonique
CONT

Les «nappes de charriage» [...] sont des formations allochtones, épaisses de centaines et parfois de milliers de mètres, qui reposent sur un substratum autochtone par des zones de broyage et de laminage, prouvant le déplacement («plan de charriage»).

OBS

Synonyme désuet : nappe de recouvrement.

OBS

nappe : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

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