Single zircon U-Pb ages and geochemistry of granitoid gneisses from SW Poland: evidence for an Avalonian affinity of the Brunian microcontinent.

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Authors	MAZUR Stanislaw KRÖNER Alfred SZCZEPAŃSKI Jacek TURNIAK Krzysztof HANŽL Pavel MELICHAR Rostislav RODIONOV Nokolay PADERIN Ilya SERGEEV Sergey
Year of publication	2010
Type	Article in Periodical
Magazine / Source	Geological Magazine
MU Faculty or unit	Faculty of Science
Citation
Web	Rozšířený abstrakt článku a plný text Rozšířený abstrakt článku
Field	Geology and mineralogy
Keywords	Sudetes; Bohemian Massif; zircon dating; geochemistry; Proterozoic; Gondwana; Avalonia
Description	The occurrence of granitic gneisses with late Neoproterozoic protolith ages and widespread Mesoproterozoic inheritance in our dated samples support an East Avalonian affinity for the Brunian microcontinent. In contrast, the abundance of gneisses derived from an early Palaeozoic granitic protolith and devoid of Mesoproterozoic zircon cores supports the Armorican affinity of the Variscan domain bordering on the Brunia plate from the west.
Related projects:	Interactions among the chemicals, environment and biological systems and their consequences on the global, regional and local scales (INCHEMBIOL)