TERMIUM Plus®

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

CALCAIRE OOLITHES [4 records]

Record 1 2013-07-30

English

Subject field(s)
  • Petrography
DEF

A limestone, defined by the Folk classification as comprising ooids together with sparry calcite cement (sparite).

French

Domaine(s)
  • Pétrographie
DEF

[...] calcaire formé d’oolithes cimentées par une calcite claire [...]

Spanish

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Record 2 2011-08-02

English

Subject field(s)
  • Petrography
DEF

A limestone consisting of less than 25 percent intraclasts, less than 25 percent ooliths, with volume ratio of fossils and fossil fragments to pellets more than 3 to 1 and calcite cement exceeding microcrystalline calcite.

French

Domaine(s)
  • Pétrographie
DEF

Roche calcaire contenant moins de 25 % de oolithes et possédant un rapport volumique des fossiles et fragments de fossiles sur celui des boulettes supérieur à 3 : 1.

OBS

La calcite est plus abondante dans le ciment que sous forme microcristalline.

Spanish

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Record 3 2009-09-29

English

Subject field(s)
  • Algae
  • Paleontology
  • Petrography
DEF

Said of a structure thought to have been produced by algae, although without having the proof.

CONT

Algal or cryptalgal fabrics are common. Especially large mounds in the Nopah Range lie on the down-dropped south side of a contemporaneous fault, indicating tectonic control of size and location.

OBS

cryptalgal: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Algues
  • Paléontologie
  • Pétrographie
DEF

Se dit d’une structure dont on pense qu’elle a été produite par des algues, sans en avoir l’évidence.

CONT

On a pu distinguer neuf faciès dans les trois membres de la Formation de La Vieille : biomicrite remaniée, calcaire à pelletoïdes, intraclastes et spongiostromates, boundstone à Rugueux coloniaux et spongiostromates, boundstone à algues et cladopores, biomicrite à oncolithes, laminites cryptalgaires, micrite dense à fénestrelles, calcarénite à oolithes et biomicrite encroûtée.

OBS

cryptalgaire : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 3

Record 4 2008-07-31

English

Subject field(s)
  • Petrography
DEF

A rock consisting of small round grains that resemble the roe of fish, are cemented, and consist of small concretions which usually are of calcium carbonate forming a variety of limestone but sometimes are of silica or iron oolite.

CONT

Oolitic limestone is a carbonate rock made up mostly of ooliths (or ooids) which are sand-sized carbonate particles that have concentric rings of CaCO3.

French

Domaine(s)
  • Pétrographie
OBS

oolithe : Corps sphérique d’environ 1 mm, fait d’enveloppes minérales concentriques [...] par extension, on appelle «oolithe» le calcaire à oolithes.

Spanish

Save record 4

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