TERMIUM Plus®

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

MANTLE PLUME [1 record]

Record 1 2011-01-17

English

Subject field(s)
  • Tectonics
  • Thermal Springs - Uses
  • Vulcanology and Seismology
DEF

[A] localized, hot, buoyant material which is hypothesized to be rising through the mantle.

CONT

... the Olympic Dam deposit is thought to be a ... complex formed in a subvolcanic environment as an integral part of a major crustal melting event triggered by mantle plume activity beneath continental crust ...

OBS

mantle plume: term used at Natural Resources Canada - Earth Sciences Sector.

PHR

Iceland mantle plume.

French

Domaine(s)
  • Tectonique
  • Thermalisme
  • Volcanologie et sismologie
CONT

[... le gisement d'Olympic Dam serait [...] un complexe [...] formé en milieu subvolcanique au cours d'un épisode majeur de fusion crustale provoqué par l'activité de panaches mantelliques sous la croûte continentale [...]

OBS

[L'origine de ces panaches] serait située à la limite entre noyau et manteau [...]

OBS

panache mantellique : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

PHR

Panache mantellique de l'Islande.

Spanish

Campo(s) temático(s)
  • Tectónica
  • Fuentes termales - usos
  • Vulcanología y sismología
CONT

El magma proviene de un penacho térmico (plume2) de la misma época, pero la fusión fue provocada y canalizada mucho después por fallas de desgarre en régimen transtensivo que continúan las del Atlas; los bloques insulares se han elevado al actuar la compresión sobre esas mismas fracturas.

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