Nuevos datos petrológicos, geocronologia (Rb-Sr) y geoquímica isotópica (Sr, Nd) del plutón de Ventosilla (Sierra de Guadarrama, Sistema Central Español)

Villaseca, Carlos; Barbero, Luis; Reyes, J.; Santos Zalduegui, José Francisco

New petrological data, Rb-Sr geochronology and isotope geochemistry (Sr, Nd) of the Ventosilla pluton (Sierra de Guadarrama, Spanish Central System)

Author

Villaseca, Carlos; Barbero, Luis; Reyes, J.; Santos Zalduegui, José Francisco
Publication Date

1997
Publisher

Sociedad Geológica de España
Abstract

Whole rock Rb-Sr ¡sotopic analyses on granites from Ventosilla pluton yield an age of 346 ± 63 Ma, and intercept at 0.708688 ± 0.00094. This age increases the time-span of the Hercynian plutonism in the area up to 70 Ma. The presence of a complex residual mineralogy and their Sr and Nd isotopic signatures, overlapping the previous isotopic data on peraluminous granites from the Spanish Central.System, suggest melting of mainly crustal sources for the origin of this pluton
URI

http://hdl.handle.net/10272/10461

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Geogaceta -- Nº 23, (1997)

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Nuevos datos petrológicos, geocronologia (Rb-Sr) y geoquímica isotópica (Sr, Nd) del plutón de Ventosilla (Sierra de Guadarrama, Sistema Central Español)

New petrological data, Rb-Sr geochronology and isotope geochemistry (Sr, Nd) of the Ventosilla pluton (Sierra de Guadarrama, Spanish Central System)

Author

Villaseca, Carlos; Barbero, Luis; Reyes, J.; Santos Zalduegui, José Francisco

Publication Date

1997

Publisher

Sociedad Geológica de España

Abstract

Whole rock Rb-Sr ¡sotopic analyses on granites from Ventosilla pluton yield an age of 346 ± 63 Ma, and intercept at 0.708688 ± 0.00094. This age increases the time-span of the Hercynian plutonism in the area up to 70 Ma. The presence of a complex residual mineralogy and their Sr and Nd isotopic signatures, overlapping the previous isotopic data on peraluminous granites from the Spanish Central.System, suggest melting of mainly crustal sources for the origin of this pluton

URI

http://hdl.handle.net/10272/10461

Fichero	Tamaño	Formato	Ver	Description
Nuevos-dat.pdf	1.117Mb	PDF	View/Open	There is no description for this item

Fichero	Tamaño	Formato	Ver	Description
Nuevos-dat.pdf	1.117Mb	PDF	View/Open	There is no description for this item

This item appears in the following Collection(s)

Geogaceta -- Nº 23, (1997)