TERMIUM Plus®

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

ROCHE GRAIN GROSSIER [5 records]

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
OBS

Rocks are commonly described as being coarse-grained, medium-grained or fine-grained.

French

Domaine(s)
  • Pétrographie
CONT

[...] on dit souvent que l'on a affaire à une roche à grain grossier, à grain moyen, à grain fin.

Spanish

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Record 2 2011-07-15

English

Subject field(s)
  • Petrography
DEF

A porphyritic dike rock ... that is coarse-grained and composed almost wholly of albite.

OBS

Other common accessory minerals are muscovite, garnet, apatite, quartz, and opaque oxides.

French

Domaine(s)
  • Pétrographie
DEF

Roche intrusive de filon, à grain grossier, constituée presqu'exclusivement d’albite.

OBS

Les autres minéraux accessoires peuvent être de la muscovite, du grenat, de l’apatite, du quartz et des oxydes opaques.

Spanish

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Record 3 2006-10-12

English

Subject field(s)
  • Petrography
CONT

Hosted as they are in siliciclastic rocks, it is not surprising, perhaps, that evidence of strong wall rock alteration is characteristically lacking in sandstone-lead deposits.

PHR

Coarse siliciclastic rock.

French

Domaine(s)
  • Pétrographie
CONT

Du fait que les lithologies encaissantes des gîtes de plomb de ce type soient des roches silicoclastiques, on ne peut se surprendre que des indices d’une altération intense y soient généralement absents.

PHR

Roche silicoclastique à grain grossier.

Spanish

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Record 4 2003-03-25

English

Subject field(s)
  • Petrography
DEF

Said of a sediment or sedimentary rock, and of its texture, in which the individual constituents are too small to distinguish with the unaided eye.

OBS

Specifically said of a sediment or rock whose particles have an average diameter less than 1/16 mm (62 microns, or silt size and smaller).

CONT

... fine-grained clastic sediments.

OBS

As opposed to "coarse-grained."

French

Domaine(s)
  • Pétrographie
CONT

Architecture des roches sédimentaires. [...] Enfin, le grain est l'expression de la dimension moyenne des éléments des roches. En première approximation, on dit souvent que l'on a affaire à une roche à grain grossier, à grain moyen, à grain fin. Mais ces expressions ne sont que relatives.

Spanish

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Record 5 1992-07-16

English

Subject field(s)
  • Petrography
DEF

... a crystalline rock ... in which the individual minerals are relatively large; specifically ... an igneous rock whose particles have an average diameter greater than 5 mm (0.2 in.).

French

Domaine(s)
  • Pétrographie
CONT

On constate presque partout que les roches microgrenues sont beaucoup plus résistantes que les roches à grain grossier, sans que l’on puisse en donner une explication valable.

Spanish

Save record 5

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