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CALC-ALKALIC [1 record]

Record 1 2010-11-17

English

Subject field(s)
  • Petrography
  • Mineralogy
  • Geochemistry
DEF

Applied to igneous rocks in which the dominant feldspar is calcium-rich [and] also ... to calcium-bearing minerals ...

CONT

Calc-alkaline rocks tend to contain calcium-bearing ferromagnesian minerals ...

OBS

calc-: Prefix meaning limy, i.e., containing calcium carbonate.

OBS

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

French

Domaine(s)
  • Pétrographie
  • Minéralogie
  • Géochimie
DEF

Se dit d'une roche, d'un terrain, magmatique, dont les proportions d'alcalins (Na + K) sont voisines ou égales aux proportions de Ca.

OBS

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

PHR

Magmatisme calco-alcalin.

Spanish

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