TERMIUM Plus®

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

RESIDUAL DEPOSIT [2 records]

Record 1 2015-04-13

English

Subject field(s)
  • Metals Mining
  • Mineralogy
  • Geochemistry
DEF

... a mineral deposit formed by mechanical concentration, e.g. a placer, or by decomposition in the zone of weathering, e.g. kaolin from feldspar.

CONT

By the removal of soluble material from the original substance the insoluble material remaining may form valuable residual deposits. From carbonates and silicates in the original rock may be converted into practically insoluble oxides, which form iron ores as rock weathers; silica may be leached from kaolin, leaving the insoluble hydrous aluminum oxide, bauxite, a most important aluminum ore. Such deposits are generally formed in warm moist climates and would not be found in areas which have been glaciated.

CONT

Residual deposits ... are ... formed by the removal of non-ore material from protore. For example the leaching of silica and alkalis from a nepheline-syenite may leave behind a surface capping of hydrous aluminium oxides (bauxite).

French

Domaine(s)
  • Mines métalliques
  • Minéralogie
  • Géochimie
CONT

Gîtes résiduels. - Sous l'action des eaux superficielles ou hydrothermales, la roche-mère est désagrégée et subit parfois des transformations chimiques susceptibles de fournir des substances utiles [...] Ce sont des gîtes d'éluvion que l'on peut opposer aux gîtes d'illuvion (zone de cimentation) où le lessivage des couches supérieures provoque la formation d'incrustations, de concrétions ou de cimentations dans les couches sous-jacentes : le fer de certaines latérites [...] et surtout l'aluminium dans les bauxites appartiennent à ce type de gisement.

CONT

Gisements résiduels. L'altération réduit les roches en fragments de toutes dimensions et détermine [...] la ségrégation des divers minéraux [...] Le départ successif des matériaux solubles, causé par les eaux météoriques, entraîne un enrichissement naturel en certains minéraux; c'est ainsi que naît un gisement résiduel.

Spanish

Save record 1

Record 2 2001-08-14

English

Subject field(s)
  • Protection of Farm Animals
  • Crop Protection
DEF

Deposit of a residual insecticide, i.e., one remaining on sprayed surfaces after the solvent, emulsifier or carrying fluid has evaporated.

French

Domaine(s)
  • Protection des animaux (Agric.)
  • Protection des végétaux
DEF

Dépôt d'insecticide à effet rémanent, qui reste sur la surface aspergée après disparition du solvant, de l'émulsifiant ou du véhicule liquide.

Spanish

Save record 2

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