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TONALITA [1 record]

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Alphabetical list of terms

Record 1 2016-02-12

English

Subject field(s)
  • Petrography
DEF

A micaceous variety of quartz diorite, containing hornblende and biotite.

CONT

The most common hosts are acid plutonic rocks of the granite clan ranging from adamellite through granodiorite to tonalite.

French

Domaine(s)
  • Pétrographie
DEF

Variété micacée de diorite quartzifère.

CONT

Un bon exemple de granodiorite est fourni par la tonalite de l'Alpe de Tonale dans le Tyrol [...] C'est une roche à quartz, plagioclase, hornblende et biotite dans laquelle l'orthose est exceptionnelle.

Spanish

Campo(s) temático(s)
  • Petrografía
DEF

Variedad de diorita cuarcífera y micácea.

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