TERMIUM Plus®

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METAL-BEARING BRINE [1 record]

Record 1 2005-08-02

English

Subject field(s)
  • Geochemistry
  • Various Metal Ores
CONT

Metalliferous brines trapped in deeply buried pressurized redbed reservoirs, an important component in the genesis of sedimentary copper deposits, may have been responsible for the formation of other sediment-hosted copper deposits ...

CONT

Sillitoe ... has further suggested that metal-bearing brines expelled from layers 1 and 2 would induce fusion in the wedge of mantle above the Benioff Zone, ascending with the resulting hydrous calc-alkaline magmas to form porphyry copper deposits when the volcanism is dominantly subaerial.

French

Domaine(s)
  • Géochimie
  • Minerais divers (Mines métalliques)
OBS

Des lacs, d'eau douce ou de saumures plus ou moins acides et corrosives, occupent fréquemment cratères et caldeiras. [...] Ces lacs de cratère sont [...] opaques ou transparents selon les matières minérales qui s'y trouvent dissoutes ou suspendues [...]. [...] ce sont [...] des sels ferreux qui teintent en vert le lac du Kelud [...] À l'extrémité orientale de Java, celui qui emplit le large cratère de l'Idjen doit sa teinte de jade aux mixtures minérales qui en font un véritable brouet de sorcières : soufre natif, sulfates [...], acides chlorhydrique et sulfurique, alun, aluminium ... Brouet qui constitue en même temps un extraordinaire gisement de minerais liquides [...]

Spanish

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