TERMIUM Plus®

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CHROMITE ORTHOCUMULATE [5 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2006-06-06

English

Subject field(s)
  • Geology
  • Translation (General)
OBS

The massive chromitites at Kemi and Bird River Sill contain 50 to 70 modal per cent chromite and are texturally orthocumulate rocks.

OBS

Lake Superior-type iron formations ... are typically associated with texturally and compositionally mature sedimentary rocks such as quartz arenite, dolostone, black shale, and argillite ...

French

Domaine(s)
  • Géologie
  • Traduction (Généralités)
OBS

Les chromitites massives du gisement de Kemi et du Filon-couche de Bird River contiennent, selon l'analyse modale, entre 50 et 70 % de chromite et constituent, en termes texturaux, des orthocumulats.

OBS

Les formations de fer de type Lac-Supérieur [...] sont habituellement associées à des roches sédimentaires matures du point de vue de la texture et de la composition comme la quartzarénite, la dolomie, le shale noir et l'argilite [...]

Spanish

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Record 2 2003-10-27

English

Subject field(s)
  • Petrography
DEF

A cumulate composed chiefly of one or more cumulus minerals plus the crystallization products of the intercumulus liquid.

CONT

The massive chromitites at Kemi and Bird River Sill contain 50 to 70 modal per cent chromite and are texturally orthocumulate rocks.

OBS

The distinction between orthocumulates, mesocumulates, and adcumulates is reflected directly in the ore grade and also partly determines whether the ore must be beneficiated prior to smelting; it is therefore of great economic significance.

French

Domaine(s)
  • Pétrographie
CONT

Les chromitites massives du gisement de Kemi et du Filon-couche de Bird River contiennent, selon l'analyse modale, entre 50 et 70 % de chromite et constituent, en termes texturaux, des orthocumulats.

OBS

La distinction entre orthocumulat, mésocumulat et adcumulat se traduit directement dans la teneur du minerai et détermine en partie si le minerai doit être enrichi avant l'étape de fusion; elle est donc de grande importance économique.

OBS

cumulat : Roche magmatique grenue, formée de l'accumulation et de la cimentation de cristaux denses automorphes au sein d'un magma, lors de la cristallisation fractionnée.

Spanish

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Record 3 2003-08-29

English

Subject field(s)
  • Petrography

French

Domaine(s)
  • Pétrographie

Spanish

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Record 4 2003-08-28

English

Subject field(s)
  • Petrography
CONT

Hulbert and Von Gruenewaldt(1985) have argued persuasively that the high proportion of chromite in the Bushveld Complex chromitites results from postcumulus sintering of a chromite orthocumulate precursor.

French

Domaine(s)
  • Pétrographie
CONT

Hulbert et Von Gruenewaldt (1985) ont avancé une hypothèse fort convaincante voulant que la proportion élevée de chromite dans les chromitites du Complexe du Bushveld résulte de l'agglomération postcumulus d'un orthocumulat à chromite formé antérieurement.

Spanish

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Record 5 2003-08-28

English

Subject field(s)
  • Petrography
  • Geochemistry
CONT

Hulbert and Von Gruenewaldt(1985) have argued persuasively that the high proportion of chromite in the Bushveld Complex chromitites results from postcumulus sintering of a chromite orthocumulate precursor.

French

Domaine(s)
  • Pétrographie
  • Géochimie
CONT

Hulbert et Von Gruenewaldt (1985) ont avancé une hypothèse fort convaincante voulant que la proportion élevée de chromite dans les chromitites du Complexe du Bushveld résulte de l'agglomération postcumulus d'un orthocumulat à chromite formé antérieurement.

Spanish

Save record 5

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