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NOIR MINERAL [2 records]

Record 1 2010-06-14

English

Subject field(s)
  • Mineralogy
  • Iron and Manganese Mining
DEF

ferromagnesian minerals: Rock-forming silicate minerals which contain essential iron and/or magnesium.

CONT

For the common rock-forming minerals, the general order of decreasing resistance to chemical weathering is: quartz, feldspars, ferromagnesian minerals. The ferromagnesian minerals (amphiboles, pyroxenes, olivines and micas) are converted into clay minerals ..., carbonates, silica, and oxides of iron.

OBS

As a noun, ferromagnesian is usually plural.

OBS

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

Key term(s)
  • ferromagnesians
  • ferro-magnesians
  • ferro-magnesian
  • ferro-magnesian mineral

French

Domaine(s)
  • Minéralogie
  • Mines de fer et de manganèse
DEF

minéraux ferromagnésiens : Minéraux ayant comme principaux cations Fe et Mg.

CONT

Les minéraux ferromagnésiens ou, par simplification, les ferromagnésiens sont principalement les micas, les amphiboles, les pyroxènes, les péridots. On les désigne aussi sous le nom de minéraux noirs [...]

OBS

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

Key term(s)
  • ferro-magnésien
  • élément ferro-magnésien

Spanish

Save record 1

Record 2 2004-05-19

English

Subject field(s)
  • Dyes and Pigments (Industries)
DEF

Black pigment made from ground slate, shale, coke, coal, or slaty coal; used in inks, plastics and coatings.

French

Domaine(s)
  • Teintures et pigments (Industries)

Spanish

Campo(s) temático(s)
  • Tinturas y pigmentos (Industrias)
DEF

Pigmento negro producido por trituración o calentamiento de pizarra neutra, esquisto negro, carbón pizarroso, coque o carbón.

Save record 2

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