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FUMEUR NOIR [1 record]

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Filter results by subject field

Alphabetical list of terms

Record 1 2005-10-04

English

Subject field(s)
  • Thermal Springs - Uses
DEF

Vent on the sea floor emitting hydrothermal fluids at elevated temperatures.

OBS

As these [fluids] mix with cold water, metal oxides and sulphides precipitate rapidly to give black plumes. This provides a rare opportunity to study ore deposits forming.

French

Domaine(s)
  • Thermalisme
CONT

L'existence de bouches hydrothermales crachant soit une eau blanchâtre à 300 °C («fumeurs blancs») soit une eau rendue opaque par les particules de sulfures («fumeurs noirs») encore plus chaude, 350 °C. [...] Cet hydrothermalisme est dû à la pénétration de l'eau de mer dans les fractures des dorsales actives [...]

Spanish

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