Publication details

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

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
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.
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