TERMIUM Plus®

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

INNER MANTLE [1 record]

Record 1 2011-05-31

English

Subject field(s)
  • Geology
CONT

The mantle is commonly divided into three parts: the upper mantle ... the transition zone ... and the lower mantle.

CONT

Below the upper mantle is the lower mantle that extends from 670 to 2900 kilometers below the Earth's surface.

CONT

The lower mantle is thought to be dominated by denser silicates with the composition of olivine but a more compact structure similar to the denser rare mineral perovskite.

French

Domaine(s)
  • Géologie
CONT

Le manteau comprend trois parties : le manteau supérieur, une zone de transition et le manteau inférieur.

CONT

Le manteau inférieur s'étend de 650 à 2900 km de profondeur et présente une minéralogie qui lui est propre. Au moins 70 % de cette envelope est formée de pérovskite, un oxyde.

Spanish

Campo(s) temático(s)
  • Geología
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