TERMIUM Plus®

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

AUTHIGENISATION [1 record]

Record 1 2012-04-13

English

Subject field(s)
  • Mineralogy
  • Erosion and Weathering (Geol.)
  • Petrography
  • Geochemistry
DEF

The process by which minerals form in place within an enclosing sediment or a sedimentary rock during or after its deposition.

CONT

... reactions take place within a sediment between various minerals and between minerals and the fluids trapped in the pores; these reactions, collectively termed authigenesis, may form new minerals or add to others already present in the sediment.

French

Domaine(s)
  • Minéralogie
  • Érosion et corrosion (Géologie)
  • Pétrographie
  • Géochimie
DEF

Formation de minéraux en place.

CONT

Les pellets [phosphatés] sont très souvent juxtaposés et constituent des assemblages quasi-compacts, témoignant soit d'une néogenèse «rapprochée» au sein de la matrice, si ces pellets procèdent d'une authigenèse au sein du sédiment, soit d'un arrangement mécanique en mode «compact» au cours de remaniements sédimentaires [...]

Spanish

Campo(s) temático(s)
  • Mineralogía
  • Erosión y corrosión (Geología)
  • Petrografía
  • Geoquímica
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