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TEPHRITE [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2016-02-11

English

Subject field(s)
  • Petrography
DEF

A basaltic igneous rock, or rock group, consisting primarily of calcic plagioclase, augite, and nepheline or leucite, with traces of sodic sanidine.

French

Domaine(s)
  • Pétrographie
DEF

Roche volcanique, d'un gris plus ou moins sombre, microlitique et souvent porphyrique, avec oligoclase, calcique, titanaugite, sanidine rare, feldspathoïde, augite violacée et hornblende brune.

Spanish

Campo(s) temático(s)
  • Petrografía
DEF

Roca volcánica microlítica en la que se encuentra asociados un feldespatoide y la plagioclasa [...]

PHR

Tefrita analcímica, tefrita leucítica.

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