TERMIUM Plus®

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CALC-SILICATE ROCK [1 record]

Record 1 2010-11-17

English

Subject field(s)
  • Petrography
  • Geochemistry
DEF

A metamorphic rock consisting mainly of calcium-bearing silicates such as diopside and wollastonite, and formed by metamorphism of impure limestone or dolomite.

CONT

It has been observed that calc-silicate metamorphic rocks and basic and ultrabasic rocks tend to contain Mg-phlogopites, while acid igneous rocks, schists, and gneisses tend to contain the more iron-rich biotites.

OBS

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

French

Domaine(s)
  • Pétrographie
  • Géochimie
CONT

La roche encaissante est calco-silicatée à Koduru [...] Le faciès calco-silicaté renferme quartz, feldspaths potassiques, calcite, scapolite et diopside, avec accessoirement : andradite, wollastonite, sphène, grossulaire [...] Des gneiss à grenat-sillimanite sont aussi présents.

OBS

roche calco-silicatée; roche à silicates calciques : termes en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

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