TERMIUM Plus®

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FAUX CHAPEAU FER [1 record]

Record 1 2012-01-16

English

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

The oxidized outcrop of a basic rock, such as basalt, or of an iron ore.

OBS

Transported iron, precipitated by reacting rocks, may form an iron-stained area that resembles a true gossan.

OBS

Do not confuse false gossan with iron oxide of a gossan, which is weathered from underlying sulfide deposits.

French

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

On constate notamment qu'il s'agit d'un faux chapeau de fer puisque la pyrite est rare en cette partie.

OBS

chapeau de fer : Zone ferrifère recouvrant un gisement sulfuré et constituée d'oxydes de fer laissés par les eaux de percolation.

Spanish

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