TERMIUM Plus®

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PORPHYRY TIN DEPOSIT [2 records]

Record 1 2004-10-05

English

Subject field(s)
  • Extraction Procedures - Various (Mining)
CONT

The operations of the mine are quite dramatic, encompassing three distinctly different mining techniques: specific mining, bulk mining, open-pit mining.

CONT

Porphyry copper deposits ... must be amenable to bulk mining methods, that is open pit or, if underground, block caving. ... Selective mining is of course impossible and host rock, stockwork and disseminated mineralization have to be extracted in toto.

CONT

This dispersed mineralization may be of high enough grade to permit bulk mining methods to be used, i. e. it may be a porphyry tin deposit...

French

Domaine(s)
  • Procédés d'extraction divers (Exploit. minière)
CONT

Dans les stockwerks qui se laissent exploiter par abattage non sélectif, les teneurs peuvent être aussi faibles que 0,165 % de Sn [...] ou 0,1 % de WO3 [...]

OBS

abattage toutes teneurs; extraction toutes teneurs; abattage non sélectif : équivalents obtenus de Normand Lemieux, traducteur à EMR [Énergie, Mines et Ressources]. Selon lui, il faut distinguer les termes «abattage toutes teneurs» et «abattage en masse», ce dernier mettant l'accent sur la quantité plutôt que sur la qualité.

Spanish

Save record 1

Record 2 2004-04-30

English

Subject field(s)
  • Tin Mining

French

Domaine(s)
  • Mines d'étain

Spanish

Save record 2

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