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DISCORDANCE SOCLE [1 record]

Record 1 2007-10-16

English

Subject field(s)
  • Tectonics
DEF

An unconformity developed between sedimentary rocks and older rocks (plutonic igneous or massive metamorphic rocks) that has been exposed to erosion before the overlying sediments covered them.

CONT

Most deposits/districts are found below unconformities or nonconformities, presumably produced by minor uplift or warping of the host strata.

OBS

nonconformity: term used at Natural Resources Canada - Earth Sciences Sector.

Key term(s)
  • non-conformity

French

Domaine(s)
  • Tectonique
DEF

[...] discordance sur un ensemble non stratifié, entre des roches sédimentaires et des roches plus anciennes.

CONT

La minéralisation de la plupart des gisements ou districts se trouve au-dessous de discordances ou de discontinuités dans la succession sédimentaire qui ont sans doute été produites par un soulèvement mineur ou un gauchissement des roches hôtes.

OBS

non-conformité; discordance de socle : termes en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

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