The Government of Canada’s terminology and linguistic data bank.

SHOSHONITE [1 record]

Record 1 2012-12-21


Subject field(s)
  • Petrography

A basaltic rock composed of olivine and augite phenocrysts in a groundmass of labradorite with orthoclase rims, olivine, augite, a small amount of leucite, and some dark-colored glass.


  • Pétrographie

Variété de basalte alcalin, constituée de portions presque égales de labradorite et de sanidine, avec un peu d'augite et d'olivine.


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