TERMIUM Plus®

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

DEPLETED LOWER CRUSTAL ROCKS [5 records]

Record 1 2004-06-02

English

Subject field(s)
  • Geochemistry
  • Petrography
CONT

Peralkaline granites are known in East Africa and Nigeria, where they host tin, niobium, and other metals.

CONT

... depleted lower crustal rocks generate metaluminous to peralkaline granites that are parental to pegmatites enriched in niobium and rare-earth elements(including yttrium).

French

Domaine(s)
  • Géochimie
  • Pétrographie
CONT

[...] les roches appauvries de la croûte inférieure produisent des granites peralumineux à hyperalcalins qui sont les roches parentales des pegmatites enrichies en niobium et en terres rares (y compris l'yttrium).

Spanish

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Record 2 2004-04-28

English

Subject field(s)
  • Petrography
  • Geochemistry
CONT

... depleted lower crustal rocks generate metaluminous to peralkaline granites that are parental to pegmatites enriched in niobium and rare-earth elements(including yttrium).

French

Domaine(s)
  • Pétrographie
  • Géochimie
CONT

[...] les roches appauvries de la croûte inférieure produisent des granites métalumineux à hyperalcalins qui sont les roches parentales des pegmatites enrichies en niobium et en terres rares (y compris l'yttrium).

Spanish

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Record 3 2004-04-28

English

Subject field(s)
  • Geochemistry
  • Petrography
CONT

... undepleted upper crustal lithologies result in peraluminous granites that give rise to pegmatites enriched in lithium, cesium, and tantalum... whereas depleted lower crustal rocks generate metaluminous to peralkaline granites...

French

Domaine(s)
  • Géochimie
  • Pétrographie
CONT

[...] les lithologies non appauvries de la croûte supérieure donnent lieu à des granites hyperalumineux qui eux-mêmes génèrent des pegmatites enrichies en lithium, en césium et en tantale [...] tandis que les roches appauvries de la croûte inférieure produisent des granites métalumineux à hyperalcalins [...]

Spanish

Save record 3

Record 4 2004-04-27

English

Subject field(s)
  • Geochemistry
  • Petrography
CONT

... undepleted upper crustal lithologies result in peraluminous granites that give rise to pegmatites enriched in lithium, cesium, and tantalum... whereas depleted lower crustal rocks generate metaluminous to peralkaline granites...

French

Domaine(s)
  • Géochimie
  • Pétrographie
CONT

[...] les lithologies non appauvries de la croûte supérieure donnent lieu à des granites hyperalumineux qui eux-mêmes génèrent des pegmatites enrichies en lithium, en césium et en tantale [...] tandis que les roches appauvries de la croûte inférieure produisent des granites métalumineux à hyperalcalins [...]

Spanish

Save record 4

Record 5 2000-02-04

English

Subject field(s)
  • Petrography
  • Geochemistry

French

Domaine(s)
  • Pétrographie
  • Géochimie
OBS

Pétrologie.

OBS

Source(s) : DNAG.

Spanish

Save record 5

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