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Browsing by Subject "U-Pb dating"
Now showing items 1-4 of 4
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Age and setting of the Upper Neoproterozoic Narcea Antiform volcanic rocks (NW Iberia)
(Sociedad Geológica de España, 2003)U-Pb dating of zircons from ryolites intercalated within the Narcea Antiform Neoproterozoic rocks was performed by laser ablation ICP-MS). The age of the ryolite is 559±3 Ma which allows the separation of two different ... -
Geochemical and Volcanological Criteria in Assessing the Links between Volcanism and VMS Deposits: A Case on the Iberian Pyrite Belt, Spain
Pascual Martínez, Emilio
; Donaire Romero, Teodosio; Toscano Macías, Manuel; Macías, Gloria; Pin, C. (MDPI, 2021)
VMS deposits in the Iberian Pyrite Belt (IPB), Spain and Portugal, constitute the largest accumulation of these deposits on Earth. Although several factors account for their genetic interpretation, a link between volcanism ... -
Geocronología U/Pb del volcanismo ácido y granitoides de la Faja Pirítica Ibérica (Zona Surportuguesa)
(Sociedad Geológica de España, 2002)Three samples have been analyzed, two of them belong to the volcanic ones from the IPB and a third to the rocks plutonics of the BSN. The age belonging to the granitoid of Campofrio is of 354,4 +5/-4 m.y. The ages obtained ... -
U-Pb dating of Siluro-Ordovician volcanism in the Verín Synform (Orense; Schistose Domain, Galicia-Trás-os-Montes Zone)
(2006)El Grupo Paraño constituye la parte más alta de la estratigrafía del Dominio Esquistoso de Galicia-Trásos- Montes y está expuesto en el núcleo de la Sinforma de Verín. Como al resto del dominio, a este grupo se le ha ...
