2003•Journal of GeosciencesRequires access

338 to 335 Ma old intrusions in the Bohemian Massif: a relic ofthe orogen-wide durbachitic magmatism in European Variscides.

Jana Kotková, Urs Schaltegger, Jaromı́r Leichmann

Abstract

Zircons from durbachite and syenite samples, from Třebic and Jihlava massifs, were dated. Whereas the durbachite contains complex zircons and gives discordant U-Pb ages, the syenite contains rounded zircons, yielding concordant age of 335 Ma. Both rocks represent relics of the orogen-wide late Variscan magmatism, along with rocks from other parts of the Variscan belt in Europe.

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Key concepts: Massif, Magmatism, Geology, Geochemistry, Zircon, Paleontology, Tectonics