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	Provedor de dados ArchiMer (1) Autor Manatschal, Gianreto (1) Sibuet, Jean-claude (1) Srivastava, Shiri (1) Palavra-chave Exhumed mantle (1) Magnetic anomalies (1) Newfoundland Iberia rift (1) Tipo do documento Text (1) Ano 2007 (1) País France (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Exhumed mantle-forming transitional crust in the Newfoundland-Iberia rift and associated magnetic anomalies - art. no. B06105 ArchiMer Sibuet, Jean-claude; Srivastava, Shiri; Manatschal, Gianreto. [1] Transitional zones located between Iberia and North America formed during continental rifting and mostly consist of exhumed mantle. In this study we show that ages of exhumed mantle at Ocean Drilling Program (ODP) sites 1068 and 1070 in the Iberia Abyssal Plain and site 1277 in the Newfoundland Basin are similar to ages determined from magnetic lineations created by serpentinization during mantle exhumation. On the basis of paleomagnetic and geological data and a comparison with a fossil ocean-continent transition in the Alps, we envisage a first episode of mantle serpentinization during which a strong component of magnetization was acquired followed by a second episode occurring at the contact with cold seawater, and which only affects the upper tens... Tipo: Text Palavras-chave: Magnetic anomalies; Newfoundland Iberia rift; Exhumed mantle. Ano: 2007 URL: http://archimer.ifremer.fr/doc/2007/publication-3015.pdf Registros recuperados: 1 Primeira ... 1 ... Última

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