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Actividad paleo-hidrotermal episódica en la Sierra de Guadarrama (Sistema Central Español): nuevas edades K-Ar y correlación tectónica con la Cordillera Ibérica

Galindo Francisco, Mª del Carmen and Casquet, César and Tornos Arroyo, Fernando (2010) Actividad paleo-hidrotermal episódica en la Sierra de Guadarrama (Sistema Central Español): nuevas edades K-Ar y correlación tectónica con la Cordillera Ibérica. Geogaceta, 48 . pp. 159-162. ISSN 0213-683X

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Abstract

Episodic hydrothermal alterations in the Sierra de Guadarrama took place between ca. 300 Ma and
10 Ma. New K-Ar ages for hydrothermal minerals have been obtained that along with previous data allow
to better constrain the late- to post-Variscan history of tectono-hydrothermal activity. This activity can
further be correlated with Alpine tectonic events in central Iberia recorded in Permian to Cainozoic
sedimentary basins. Dating of hydrothermal events in the basement is thus a useful tool to better constrain
the chronology of tectono-sedimentary events in the cover.


Item Type:Article
Uncontrolled Keywords:K-Ar dating, Hydrothermal alterations, Sierra de Guadarrama, Variscan basement, Alpinecycle
Subjects:Sciences > Geology > Geochemistry
Sciences > Geology > Geodynamics
ID Code:14699
Deposited On:21 Mar 2012 12:55
Last Modified:06 Feb 2014 10:07

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