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ZINC DEPOSIT [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-11-24

English

Subject field(s)
  • Various Metal Ores
CONT

Ambler, in which NovaGold has an option to acquire a joint venture interest through an agreement..., is a large, high grade polymetallic massive sulphide deposit with a historic inferred resource estimated in 1995... of 817, 000 ounces of gold, 64 million ounces of silver, 3. 2 billion pounds of copper and 4. 2 billion pounds of zinc.

French

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

gisement polymétallique de sulfures massifs : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 1

Record 2 2006-12-06

English

Subject field(s)
  • Metals Mining
  • Economic Geology
CONT

There is good grade in the deposit as evidenced by a drill hole which intersected 20. 55% zinc, 2. 7% lead, 41. 5 g/T silver and 0. 58 g/T gold across 9 meters.

CONT

The increase in tonnage and grade in the deposit is a direct result of infill drilling and validates the previous estimation procedures and quality of this world-class resource.

CONT

The average in situ geological grade for the samples processed to date is 40.06 carats per hundred tonnes (cpht) ...

OBS

(g/t).

French

Domaine(s)
  • Mines métalliques
  • Géologie économique
CONT

[...] la teneur géologique [...] se réfère à une définition géologique du gisement, sans aucune contrainte d'exploitabilité; [...]

CONT

Il y a lieu de distinguer trois sortes de teneurs dans une exploitation de minerai : la «teneur minéralogique», ou teneur dans le gisement, c'est-à-dire dans le rassemblement de minerai à l'état naturel au sein des autres roches; la «teneur exploitable», [...] la «teneur marchande» [...]

OBS

(grammes par tonne).

Spanish

Save record 2

Record 3 1999-10-12

English

Subject field(s)
  • Electrometallurgy
  • Electrolytical Processes (Metallurgy)
DEF

An overvoltage occurring at an electrode as a result of the liberation of hydrogen gas.

CONT

The reduction potential of zinc is far more cathodic(-0. 763 V) than that of the hydrogen ion, and its efficient electrodeposition depends upon maintaining a high hydrogen overvoltage. Metals more noble than zinc deposit on the cathode, and most promote hydrogen evolution and zinc corrosion. This reduces the yield of zinc...

French

Domaine(s)
  • Électrométallurgie
  • Électrolyse (Métallurgie)
CONT

La liqueur neutre (de lixiviation) contient les sulfates solubles des métaux. (Si l'élimination) des métaux n'est pas parfaite, la présence dans l'électrolyte d'ions de ces métaux, qui peuvent se déposer en même temps que le zinc, et pour lesquels la surtension d'hydrogène est plus faible, peut entraîner un dégagement d'hydrogène à la cathode, c'est-à-dire diminuer le rendement Faraday de l'électrolyse et entraver le dépôt normal de zinc.

Spanish

Save record 3

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