U-Pb and Ar-39/Ar-40 data constraining the ages of the source, emplacement and recrystallization/cooling events from late- to post-D-3 Variscan granites of the Gouveia area, central Portugal
Date
2012
Authors
Neiva, A.M.R.
Williams, Ian
Lima, S M
Teixeira, R J S
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Elsevier
Abstract
Late Carboniferous U-Pb ages have been measured on igneous zircon from late- and post-D 3 Sn-bearing two-mica granites from the Gouveia area in the Central Iberian Zone. Inherited zircon from these granites is mainly of Neoproterozoic age, a small amount
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Keywords: argon-argon dating; Cambrian; cooling; Devonian-Carboniferous boundary; emplacement; Gondwana; granite; Hercynian orogeny; muscovite; Ordovician-Silurian boundary; Proterozoic; recrystallization; uranium-lead dating; Central Iberian Zone; Portugal Emplacement ages; Inheritance; Muscovite; Recrystallization/cooling ages; Zircon
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Journal article
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2037-12-31
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