TERMIUM Plus®

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

GRANITO ARCAICO [1 record]

Record 1 1991-02-28

English

Subject field(s)
  • Petrography
OBS

... granites constitute a large portion of the Archean basement. They form massive batholiths and plutons as well as extensive areas of granitic gneisses. They have long-term stability, high rock strength, good chemical stability, homogeneity and low porosity.

French

Domaine(s)
  • Pétrographie
CONT

Ce système [de Witwatersrand], qui repose sur des granites archéens, est surmonté par des coulées volcaniques [...], puis par des terrains sédimentaires du Primaire [...]

OBS

granite : Roche magmatique plutonique formée essentiellement de quartz et de feldspaths, et accessoirement d'autres minéraux comme les micas, les amphiboles et les pyroxènes, les autres minéraux étant accidentels.

OBS

archéen, enne, adjectif : Relatif à l'ensemble des terrains les plus anciens du globe (2,5 milliards d'années et plus).

Spanish

Campo(s) temático(s)
  • Petrografía
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