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POIKILITIC GROUNDMASS [1 record]

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Alphabetical list of terms

Record 1 2004-02-16

English

Subject field(s)
  • Mineralogy
DEF

... texture of an igneous rock in which small grains of one mineral (e.g. plagioclase) are irregularly scattered without common orientation in a typically anhedral larger crystal of another mineral (e.g. pyroxene); ...

OBS

poecilitic: The original spelling of poikilitic. Now obsolete in American usage, it is still the most accepted European spelling.

French

Domaine(s)
  • Minéralogie
DEF

[...] texture d'un grand cristal d'un minéral contenant de nombreux petits cristaux d'un autre minéral.

CONT

Dans la structure poecilitique, les cristaux de pyroxènes sont si grands que chacun d'entre eux forme un noyau qui englobe plusieurs lattes feldspathiques.

Spanish

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