TERMIUM Plus®

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PERLITIQUE [1 record]

Record 1 1998-08-15

English

Subject field(s)
  • Petrography
DEF

Said of the texture of a glassy igneous rock that has cracked due to contraction during cooling, the cracks forming small spheruloids.

French

Domaine(s)
  • Pétrographie
DEF

Se dit d'une roche où le retrait du verre, lors du refroidissement, donne à la texture des formes de perles. (C'est une variété de la texture vitreuse des roches volcaniques).

Spanish

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