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TACTITE [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2012-05-31

English

Subject field(s)
  • Petrography
  • Mineralogy
DEF

A coarse-grained rock featuring a complex mineralogical composition, formed by contact metamorphism and metasomatism of carbonate rocks, and composed of garnet, iron-rich pyroxene, epidote, wollastonite, and scapolite.

French

Domaine(s)
  • Pétrographie
  • Minéralogie
CONT

Si les calcaires purs évoluent en roches ne contenant que de grands cristaux de calcite [...], les calcaires impurs, marneux et dolomitiques, se transforment en cornes, ou tactites, diversement colorées, où la calcite coexiste avec des silicates calciques [...] et des silicates magnésiens [...]

OBS

On notera que le terme tactite, correspondant à un sous-ensemble des skarns, est maintenant abandonné par les pétrographes.

Spanish

Campo(s) temático(s)
  • Petrografía
  • Mineralogía
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