TERMIUM Plus®

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

CALC-ALKALIC [4 records]

Record 1 2012-06-21

English

Subject field(s)
  • Petrography
  • Geochemistry
DEF

Those igneous rock series having an alkali-lime index of 55 to 61.

French

Domaine(s)
  • Pétrographie
  • Géochimie
DEF

Association spatiale de roches calco-alcalines.

CONT

Les basaltes riches en alumine sont présents en faible part dans les séries calco-alcalines.

Spanish

Save record 1

Record 2 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

Save record 2

Record 3 2004-08-24

English

Subject field(s)
  • Petrography
  • Geochemistry
DEF

[An] igneous rock in which the dominant feldspar is calcium-rich.

CONT

Calc-alkaline rocks tend to contain calcium-bearing ferromagnesian minerals - hornblende, augite, etc.

CONT

... Stanton (1978) ... considers the volcanic exhalative ores to be one continuous spectrum, which show a progressive geochemical evolution that accompanies that of the calc-alkaline rocks in island arcs.

PHR

Calc-alcaline intrusive rock.

French

Domaine(s)
  • Pétrographie
  • Géochimie
DEF

[...] roche [...] dont les proportions d'alcalins (Na + K) sont voisines ou égales aux proportions de Ca.

CONT

On parle de [...] roches calco-alcalines si elles contiennent des feldspaths potassiques et sodiques associés à des plagioclases [...]

PHR

Roche intrusive calco-alcaline.

Spanish

Save record 3

Record 4 2001-04-12

English

Subject field(s)
  • Geochemistry
  • Mineralogy
Key term(s)
  • calc-alkaline feldspar
  • calc-alkalic feldspar

French

Domaine(s)
  • Géochimie
  • Minéralogie
OBS

Voir fiche «calco-alcalin».

Spanish

Save record 4

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