TERMIUM Plus®

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ONCOIDE [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2021-07-14

English

Subject field(s)
  • Petrography
  • Chemical Engineering
OBS

In North American usage, an oncoid is a coated grain of algal (but not red algal) or microbial origin that is coarser than 2 mm in diameter ... Common European usage is less genetic, and in that usage a microbial/algal origin is not a prerequisite.

OBS

Not to be confused with oncolite, which is a rock composed of oncoids.

French

Domaine(s)
  • Pétrographie
  • Génie chimique
DEF

Concrétion calcaire, sphérique ou ovoïde, formée de couches concentriques, de diamètre millimétrique à centimétrique, et d'origine organique ou non.

Spanish

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