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Arenas Martín, Ricardo ; Sánchez Martínez, Sonia ; Díez Fernández, Rubén ; Gerdes, Axel ; Abati, Jacobo ; Fernández Suárez, Javier ; Andonaegui Moreno, Pilar ; González Cuadra, Pablo ; López Carmona, Alicia ; Albert Roper, Richard ; Fuenlabrada Pérez, José Manuel ; Rubio Pascual, Francisco J. | Elsevier | 2016-10NW Iberia includes a rather complete section of a Variscan suture, where different terranes with continental or oceanic affinities appear with clear structural relationships. Three groups of terranes, namely Upper, Ophiolitic and Basal units and[...]texto impreso
Gutiérrez-Alonso, Gabriel ; Gutiérrez Marco, Juan Carlos ; Fernández Suárez, Javier ; Bernárdez Rodríguez, Enrique ; Corfu, F. ; López Carmona, Alicia | IOP Publishing | 2019Zircon and monazite ID-TIMS U-Pb dating of four Lower Ordovician altered ash-fall tuff beds (K-Bentonites) in NW Iberia provided coetaneous ages of 477.5±1, 477±1.3 Ma, 477.2±1.1 Ma and 477.3±1 Ma, with a pooled concordia age of 477.2±0.74 Ma. A[...]texto impreso
Fernández Suárez, Javier ; Gutiérrez Alonso, Gabriel ; Cox, Richard ; Jenner, A. | Chicago, University of Chicago Press. | 2002Detrital zircons separated from the Ordovician Armorican quartzite in the foreland of the Variscan belt of Iberia were dated by laser ablation inductively coupled plasma mass spectrometry. The age groups found correspond to Proterozoic and Arche[...]texto impreso
Fernández Suárez, Javier ; Díaz García, Florentino ; Jeffries, Teresa E. ; Arenas Martín, Ricardo ; Abati Gómez, Jacobo | Blackwell Publishing Ltd | 2003Insight into the origin and pre-orogenic palaeogeographical links of terranes involved in the assembly of collisional mountain belts is fundamental to the understanding of orogenic processes. Here we address the provenance and possible tectonic [...]texto impreso
López Moro, Francisco Javier ; López Plaza, Miguel ; Gutiérrez-Alonso, Gabriel ; Fernández Suárez, Javier ; López-Carmona, Alicia ; Hofmann, Mandy ; Romer, Rolf L. | Springer | 2018-04In this study, we report U–Pb Laser Ablation ICP-MS zircon and ID-TIMS monazite ages for peraluminous granitoid plutons (biotite ± muscovite ± cordierite ± sillimanite) in the Tormes Dome, one of the gneiss-cored domes located in the Central Ibe[...]texto impreso
Fernández Suárez, Javier ; Gutiérrez Alonso, Gabriel ; Jenner, G.A. ; Tubrett, M.N. | Geological Society of London. | 1999Detrital zircons from greywackes belonging to an Ordovician volcanosedimentary–igneous complex in NW Spain were dated using the laser ablation-inductively coupled plasma-mass spectrometry technique. U–Pb results indicate the existence of three P[...]texto impreso
Gutiérrez Alonso, Gabriel ; Fernández Suárez, Javier ; Jeffries, Teresa E. ; Johnston, Stephen T. | American Geophysical Union | 2011U?Pb (zircon) crystallization ages of 52 late?Variscan granitoid intrusions from NW Iberia (19 from new data, 33 from previous studies) constrain the lithospheric evolution of this realm of the Variscan belt of Western Europe and allow assessmen[...]texto impreso
Díez Fernández, Rubén ; Jiménez Díaz, Alberto ; Arenas Martín, Ricardo ; Pereira, M. Francisco ; Fernández Suárez, Javier | American Geophysical Union | 2019-01The Calzadilla Ophiolite is an ensemble of mafic and ultramafic rocks that represents the transition between lower crust and upper mantle of a Cadomian (peri?Gondwanan) fore arc. Mapping and structural analysis of the ophiolite demonstrates that[...]texto impreso
López Guijarro, Rafael ; Armendáriz, Maider ; Quesada Ochoa, Cecilio ; Fernández Suárez, Javier ; Brendan Murphy, J. ; Pin, Christian ; Bellido Mulas, Félix | Elsevier | 2008Sm–Nd isotopic analyses of Palaeozoic sedimentary and igneous rocks in the southwest Iberian Massif (western end of the European Variscan Belt) are presented in order to unravel its complex poly-orogenic evolution during the closure of the Rheic[...]texto impreso
Gutiérrez-Alonso, Gabriel ; López Carmona, Alicia ; García Acera, G. ; Martín Garro, J. ; Fernández Suárez, Javier ; Gärtner, Andreas ; Hofmann, Mandy | IOPscience | 2017The advent of a large amount of more precise U-Pb age data on Variscan granitoids from NW Iberia in recent years has provided a more focused picture of the magmatic history of the Western European Variscan belt (WEVB). Based on these data, three[...]texto impreso
Gutiérrez-Alonso, Gabriel ; Fernández Suárez, Javier ; López Carmona, Alicia ; Gärtner, Andreas | Geological Society of America | 2018-02-09In this study we report laser ablation–inductively coupled plasma–mass spectrometer U-Pb ages of granitoids from the so-called early granodiorites of the northwest Iberian Variscan belt. The U-Pb results attest to significant magmatic activity i[...]texto impreso
Navidad Fernández de la Cruz, Marina ; Castiñeiras García, Pedro ; Casas Tuset, Josep María ; Liesa Torre Marín, Montserrat ; Fernández Suárez, Javier ; Barnolas Cortina, A. ; Carreras, Jordi ; Gil Peña, Inmaculada | Elsevier Science B. V., Amsterdam | 2010This paper presents new geochronological, geochemical and isotopic data for Late Ordovician magmatism (455±2 Ma) from the Variscan massifs in the northeastern Iberian Peninsula. This magmatism is mainly composed of aluminous and metaluminous plu[...]texto impreso
Fernández Suárez, Javier ; Sánchez Martínez, Sonia ; Fuenlabrada Pérez, José Manuel | Springer | 2020In this contribution we present a succinct overview of the role of Geochemistry in the Earth Sciences. Our idea is to offer a “bird’s eye” perspective of the advent of Geochemistry and its historical development and the advances and milestones i[...]texto impreso
Geología y geoquímica del granitoide pre-Varisco de Puente de Selce (Antiforme del Narcea, Asturias)
El granitoide de Puente de Selce es un cuerpo intrusivo en las Pizarras del Narcea de edad proterozoica. Su edad se interpreta como pre-varisca. La intrusión de Puente de Selce está formada por tonalitas y grano dioritas de tipo 1 con carácter c[...]texto impreso
Fernández Suárez, Javier ; Gutiérrez Alonso, Gabriel ; Johnston, Stephen T. ; Jeffries, Teresa E. ; Pastor Galán, Daniel ; Jenner, G.A. ; Murphy, J. Brendam | Elsevier Science B.V., Amsterdam | 2011A suite of post-tectonic granitoids (mostly peraluminous, broadly I-type granodiorites and monzogranites) and mafic rocks from NWIberia with crystallization ages between ca. 309 and 290 Ma has been investigated for Sm–Nd isotopes and inherited z[...]
