TERMIUM Plus®

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Record 1 2011-04-26

English

Subject field(s)
  • Petrography
DEF

A silica rock formed by deposition of dissolved silica in the siliceous bed-earth of coal seams.

French

Domaine(s)
  • Pétrographie
DEF

Roche formée par l'infiltration de silice en solution colloïdale dans le sous-sol siliceux d'une couche de charbon.

Spanish

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