TERMIUM Plus®

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

SPHÆRULITE [1 record]

Record 1 2016-03-21

English

Subject field(s)
  • Petrography
  • Mineralogy
DEF

A small spheroidal mass found in rock, specifically one consisting of many crystals grouped radially around a point.

CONT

Spherulites frequently have a radiating structure that results from an intergrowth of quartz and orthoclase. These spherical bodies are thought to have formed as a consequence of rapid mineral growth after nucleation, possibly on an accumulation of volatiles.

French

Domaine(s)
  • Pétrographie
  • Minéralogie
DEF

Agrégat de un ou plusieurs minéraux, généralement sous forme sphérique, formé par l'intercroissance de cristaux aciculaires.

OBS

sphérolite, sphérolithe : Selon les ouvrages consultés, dont le Grand dictionnaire encyclopédique Larousse (1982), ces termes sont de genre «masculin» mais de genre «féminin» selon le Trésor de la langue française informatisé.

PHR

Sphérolites de forme subsphérique à structure radiée.

Spanish

Campo(s) temático(s)
  • Petrografía
  • Mineralogía
DEF

Grano esférico, de uno o varios milímetros de diámetro, que se encuentra en ciertas rocas volcánicas de naturaleza vítrea [...]

OBS

[...] su formación se debe a un proceso de recristalización, ya en forma de fibras radiales ya en la de capas concéntricas.

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