Age of the basement beneath the Mesozoic Lusitanian Basin revealed by granitic xenoliths from the Papôa volcanic breccia (West Iberia)

Age of the basement beneath the Mesozoic Lusitanian Basin revealed by granitic xenoliths from the Papôa volcanic breccia (West Iberia)

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The dyke of the Papôa volcanic breccia cross-cutting the Lower Jurassic sequence of the Lusitanian Basin (West Iberia) contains granitic xenoliths. In this study, for the first time, U-Th-Pb zircon analysis of two xenoliths yielded 298±4Ma for biotite granite and of 292±2Ma for two-mica granite, in...

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Bibliographic Details
Main Authors: M.F. Pereira, C. Gama, J.B. Silva, Í. Dias da Silva
Format: Article
Language:English
Published: Universitat de Barcelona (UB), Geociències Barcelona (Geo3BCN), Institut de Diagnosi Ambiental i Estudis de l'Aigua (IDAEA), Universitat Autònoma de Barcelona (UAB) 2020-10-01
Series:Geologica Acta
Subjects:
Pyroclastic breccia
Xenoliths
Granitic rocks
U-Pb zircon dating
Online Access:https://revistes.ub.edu/index.php/GEOACTA/article/view/31763

Internet

https://revistes.ub.edu/index.php/GEOACTA/article/view/31763

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