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MINERAI CHROMITE [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2020-08-26

English

Subject field(s)
  • Chromium, Molybdenum and Tungsten Mining
  • Economic Geology
DEF

A mineral containing an important proportion of chrome spinels.

CONT

In nature, chromium is found as chromite ore, composed of elemental iron, oxygen and chromium (FeOCr2O3) ... Chromite ore is initially concentrated prior to marketing by various processes depending on the ore source and intended end use.

CONT

The most important applications of chromium ores are in the manufacture of stainless steel, gray cast iron, iron-free high-temperature alloys, and chromium plating for surface protection.

French

Domaine(s)
  • Mines de chrome, de molybdène et de tungstène
  • Géologie économique
DEF

Minerai qui contient une quantité importante de spinelles de chrome.

CONT

La chromite est le seul minerai de chrome exploité.

CONT

La chromite est le principal minerai de chrome, avec des teneurs de 15 à 65 % de Cr2O3. De densité 4,5, elle appartient à la famille des spinelles. Les autres minéraux chromifères sont essentiellement oxydés.

Spanish

Save record 1

Record 2 2007-01-13

English

Subject field(s)
  • Various Metal Ores
CONT

The so-called "net-" or "chain-texture" chromite ores are typically chromite-olivine cumulates, (chromite peridotites or olivine chromitites in lithological terminology), and contain 20 to 50 modal per cent chromite ...

Key term(s)
  • net-textured chromite ore

French

Domaine(s)
  • Minerais divers (Mines métalliques)
CONT

Ce qu'il est convenu d'appeler les minerais de chromite à texture «réticulée» ou à texture «en chaînes» sont en général des cumulats à chromite-olivine (ou, selon la terminologie lithologique, des péridotites à chromite ou des chromitites à olivine); ils renferment, selon l'analyse modale, de 20 à 50 % de chromite [...]

Spanish

Save record 2

Record 3 2006-12-14

English

Subject field(s)
  • Various Metal Ores
CONT

The so-called "net-" or "chain-texture" chromite ores are typically chromite-olivine cumulates, (chromite peridotites or olivine chromitites in lithological terminology), and contain 20 to 50 modal per cent chromite ...

French

Domaine(s)
  • Minerais divers (Mines métalliques)
CONT

Ce qu'il est convenu d'appeler les minerais de chromite à texture «réticulée» ou à texture «en chaînes» sont en général des cumulats à chromite-olivine (ou, selon la terminologie lithologique, des péridotites à chromite ou des chromitites à olivine); ils renferment, selon l'analyse modale, de 20 à 50 % de chromite [...]

Spanish

Save record 3

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