TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

DISSEMINATED ORE [1 record]

Record 1 2006-12-06

English

Subject field(s)
  • Various Metal Ores
  • Metals Mining
DEF

Ore carrying small particles of valuable minerals, spread more or less uniformly through the gangue matter ...

CONT

The disseminated ores consist of droplets, schlieren, and fine sulphide veinlets dispersed through picritic, taxitic, and contact gabbro-dolerite in the lower portions of the intrusions, and form sheet-like conformable orebodies that in some cases exceed 40 m in thickness.

OBS

Distinct from massive ore wherein the valuable minerals occur in almost solid form with very little waste material included.

French

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

[Il y a] deux types de minerais : les minerais disséminés dans les sédiments, roches éruptives ou métamorphiques, et roches intrusives; les minerais massifs, généralement associés aux phases ultimes du volcanisme acide [...] ou [...] à la base des séries ultrabasiques [...]

OBS

Le minerai est tantôt massif, tantôt disséminé au sein de sa roche-support.

OBS

Le plus souvent le minerai est décomposé en même temps que la roche qui le renfermait à l'état diffus. [...] les minerais de nickel de la Nouvelle-Calédonie [...] sont formés de garniérite [...] en concrétions ou incrustations disséminées dans des terres rouges [...]

Spanish

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