Downloads provided by UsageCountsGeoquímica de las micas blancas detríticas de las rocas ediacarenses y cámbricas del Antiforme del Narcea (NO España)
Abad, Isabel; Guti?rrez Alonso, Gabriel; Nieto, Fernando Javier; Fern?ndez-Su?rez, Javier;
Geoquímica de las micas blancas detríticas de las rocas ediacarenses y cámbricas del Antiforme del Narcea (NO España)
Detrital minerals provenance studies have become a common tool to decipher paleogeographic scenarios in many orogenic belts. Together with the geochronological single mineral dating, the geochemistry of detrital minerals can provide insights on the source rocks of the studied detrital minerals. In this paper we study the chemistry of the detrital micas from two samples of Ediacaran and Cambrian age. The obtained results provide an almost identical chemical signature for the studied detrital white micas in both samples. The fengitic vector conditions the Fe+Mg proportion with some influence of the ferrimuscovitic vector mainly in the cambrian sample. The results point towards an origin of the sediments from LP igneous or metamorphic source rocks.
Este trabajo ha sido financiado por los proyectos nº BTE2003-05128 y nº BTE2003-07867 del Ministerio de Educación y Ciencia. Es una contribución del IGCP 453.
4 páginas, 2 figuras, 1 tabla.-- Trabajo presentado en la 40ª Sesión Científica, León, 2006.
Peer reviewed
Spain
- University of Salamanca Spain
- University of Huelva Spain
Micas blancas detr?ticas, Narcea Antiform, Geoqu?mica, Ediacaran, Geochemistry, Cámbrico (Geología), Detrital micas, Mica, Cambrian, Antiforme del Narcea, Geoquímica, C?mbrico (Geolog?a), Ediacarense, Micas blancas detríticas
Micas blancas detr?ticas, Narcea Antiform, Geoqu?mica, Ediacaran, Geochemistry, Cámbrico (Geología), Detrital micas, Mica, Cambrian, Antiforme del Narcea, Geoquímica, C?mbrico (Geolog?a), Ediacarense, Micas blancas detríticas
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