Glossary entry (derived from question below)
English term or phrase:
mantle plume
Portuguese translation:
Pluma mantélica
English term
Argentina
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mantle plume
Scientists believe mantle plumes can last hundreds of millions of years, and that their heat can create phenomena such as Yellowstone National Park or the string of Hawaiian Islands. (Science Centric)
Above a certain depth, the head of the plume begins to melt and spread out under the crust, until it finds a crack and pours through. The theory of mantle plumes predicts an initial flood of lava lasting tens of millions of years, which means that each hot spot should have an associated flood basalt. (University of California)
The first few million years of a newly arrived mantle plume seem to be the most fertile in terms of magma production and flood basalts are therefore formed in a very short period of geological time. (The Geological Society)
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Proposed translations
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Native in: Portuguese
Works in: Portuguese to English, English to Portuguese
Pluma mantélica
Pluma mantélica é um fenômeno geológico que consiste na ascensão de um grande volume de magma desde as regiões mantélicas profundas até às regiões infracrustais da Terra. (wikipedia)
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Isabel Vidigal
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cristinamarinho
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Angela Almeida
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Discussion
TÍTULO: Anisotropie et atténuation sismique en domaine océanique : application aux panaches mantelliques de la Polynésie Française et des Galápagos [Registo vídeo] / Fabrice R. Fontaine
PUBLICAÇÃO: Montpellier : Institut des Sciences de la Terre, de l'Environnement et de l'Espace, 2005
DESC. FÍSICA: 1 CD-ROM : il.
COLECÇÃO: (Mémoires des Géosciences de Montpellier, ISSN 1762-6072 ; Nº 38)
ISBN: ISBN 2-912411-35-1 (em caixa de 19 X 14 cm) : permuta
DESCRITORES: Anisotropia / Sismicidade / Câmara de magma / Penacho do manto / Polinésia francesa / Galápagos (Equador)
Cota: 4-189 NBP 30401