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

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Authors	KOTKOVÁ Jana SCHALTEGGER Urs LEICHMANN Jaromír
Year of publication	2003
Type	Article in Periodical
Magazine / Source	Journal of the Czech Geological Society
MU Faculty or unit	Faculty of Science
Citation
Field	Geology and mineralogy
Keywords	durbachite; syenite; Třebíč massif; Jihlava massif; U-Pb geochronology; magmatism
Description	Zircons from durbachite and syenite samples, from Třebíč 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.
Related projects:	Geological Processes and their Environmental Impact - Contact of the Variscides and Alpides