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ONCOLITE [1 record]

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Alphabetical list of terms

Record 1 2012-07-05

English

Subject field(s)
  • Petrography
  • Chemical Engineering
DEF

A small, variously shaped (often spheroidal), concentrically laminated, calcareous sedimentary structure resembling an oolith [that is] formed by accretion of successive, layered masses of gelatinous sheaths of blue-green algae.

OBS

An oncolite is a rock composed of oncoids; the term, however, is often used improperly as a synonym for oncoid.

French

Domaine(s)
  • Pétrographie
  • Génie chimique
DEF

Oncoïde formé dans des eaux marines ou lacustres par encroûtement stromatolithique, autour d'un débris (nucléus), de couches concentriques algaires (algues bleues ou vertes).

Spanish

Campo(s) temático(s)
  • Petrografía
  • Ingenieria química
DEF

Estromalito de forma esferoidal o elipsoidal, con estructura concéntrica, finamente laminada.

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