TERMIUM Plus®

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OPHTHALMITE [1 record]

Record 1 1977-04-14

English

Subject field(s)
  • Geology
OBS

A type of chorismite consisting of coarsely lenticular, augenlike, boulderlike, or nodular elements in a crystalline groundmass. Lenticular varieties are said to show flaser development when strands of the groundmass cling closely to the lenses. When the lenses are flat and disk-like, the term flatschig is used in German texts. The mineral aggregates (elements) embedded in the groundmass may also exhibit spindle-shaped or cylinderlike forms.

French

Domaine(s)
  • Géologie
OBS

«Ophtalmites» ou gneiss migmatiques oeillés.

Spanish

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