Biblioteca de la Universidad Complutense de Madrid

Sr and Nd isotope data from the fluorspar district of Asturias, northern Spain

Impacto

Sánchez Pérez-Cejuela, Virginia y Corbella, Mercè y Fuenlabrada Pérez, José Manuel y Vindel, Elena y Martín Crespo, Tomás (2006) Sr and Nd isotope data from the fluorspar district of Asturias, northern Spain. Journal of geochemical exploration, 89 . pp. 348-350. ISSN 0375-6742

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URL Oficial: http://www.elsevier.com/locate/jgeoexp



Resumen

The origin and age of the hydrothermal fluids related to the precipitation of fluorite, barite and calcite in the Villabona, La
Collada and Berbes localities (Asturias fluorspar district, N Spain) have been evaluated from Sr and Nd radiogenic isotopes. Sr
isotope data (87Sr / 86Sr=0.7081 to 0.7096) are compatible with mixing between seawater and a more evolved groundwater that
interacted with the basement. From Nd isotopes in fluorite, an isochron age of 185±29 Ma (Lower Jurassic) was obtained,
consistent with other hydrothermal events in the Iberian Peninsula and Europe. These constraints are essential to proceed with a
quantitative model for the genesis of the mineralization that includes fluid and heat flow together with reactive transport of solutes.


Tipo de documento:Artículo
Palabras clave:Fluorite; Sr isotopes; Sm–Nd isochron; Hydrothermal fluids
Materias:Ciencias > Geología > Cristalografía
Código ID:16395
Depositado:17 Sep 2012 09:38
Última Modificación:03 May 2015 20:59

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