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EAUX RUISSELLEMENT ACIDES [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2015-03-13

English

Subject field(s)
  • Erosion and Weathering (Geol.)
  • Geochemistry
  • Metals Mining

French

Domaine(s)
  • Érosion et corrosion (Géologie)
  • Géochimie
  • Mines métalliques
CONT

La formation des concentrations s’effectue en partie dans l’écorce d’altération des régions pénéplanées (minerais de fer, bauxites, kaolins) [...]

CONT

[...] en climat chaud et humide [...] la décomposition chimique devient extrêmement active; [...] les eaux sont très souvent chargées d’acides; aussi la puissance de l'écorce d’altération atteint ici son maximum(plus de 100 m, surtout quand la forêt dense gêne le ruissellement).

OBS

Le terme anglais "weathered" suppose qu’il s’agit d’une altération sous l’effet des agents atmosphériques.

Spanish

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