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Alcock, James E ; Martínez Catalán, José R. ; Rubio Pascual, Francisco J. ; Díez Montes, Alejandro ; Díez Fernández, Rubén ; Gómez Barreiro, Juan ; Arenas Martín, Ricardo ; Dias da Silva, Ícaro ; González Clavijo, Emilio | Elsevier | 2015-08-30A model for the P–T–t evolution of NW and Central Iberia is presented to better understand its metamorphic evolution from initial Barrovian stage through HT–LP conditions. The model is constrained by the well-known succession of structural event[...]texto impreso
Gómez Barreiro, Juan ; Wijbrans, Jan R. ; Castiñeiras García, Pedro ; Martínez Catalán, José R. ; Arenas Martín, Ricardo ; Díaz García, Florentino ; Abati Gómez, Jacobo | Geological Society of London. | 2006The tectonothermal evolution of a polyorogenic terrane in the Variscan belt of NW Spain has been constrained by 40Ar/39Ar laserprobe incremental heating experiments on mylonitic fabrics developed in major structures. Transitional levels between [...]texto impreso
Díez Fernández, Rubén ; Castiñeiras García, Pedro ; Gómez Barreiro, Juan | Elsevier Science B. V., Amsterdam | 2012The basal units of the allochthonous complexes of NW Iberia are used to examine the Lower Paleozoic geodynamic evolution of the northern Gondwana margin. These units represent the most external continental margin and the sequence of major magmat[...]texto impreso
Sánchez Martínez, Sonia ; Arenas Martín, Ricardo ; Díaz García, Florentino ; Martínez Catalán, José Ramón ; Gómez Barreiro, Juan ; Pearce, Julian A. | Geological Society of America | 2007The Careón ophiolite (Galicia, NW Iberian Massif) shows lithological and geochemical features suggestive of an origin in a suprasubduction zone setting. As with other Devonian ophiolites in the European Variscan belt, it was generated within a c[...]texto impreso
Forjanes, Pablo ; Gómez Barreiro, Juan ; Morales, Juan ; Astilleros García-Monge, José Manuel ; Fernández Díaz, Lurdes | Royal Society of Chemistry | 2020Epitactic crystal growth plays a main role in the development of mineral processes and in the synthesis of advanced materials. Celestite (SrSO4) forms epitactic overgrowths on anhydrite (CaSO4) (100), (010) and (001) surfaces upon interacting wi[...]texto impreso
Díez Fernández, Rubén ; Martínez Catalán, José Ramón ; Gómez Barreiro, Juan ; Arenas Martín, Ricardo | Chicago, University of Chicago Press. | 2012Plate convergence analysis in collisional orogens is usually based on the study of major contractional structures and strike-slip shear zones. Here we show how the structural analysis of extensional structures may report the regional or far stre[...]texto impreso
Gómez Barreiro, Juan ; Martínez Catalán, José Ramón ; Prior, D. ; Wenk, H.-R. ; Vogel, S. ; Díaz García, Florentino ; Arenas Martín, Ricardo ; Sánchez Martínez, Sonia ; Lonardelli, I. | University of Chigaco Press | 2010A Middle Devonian suprasubduction zone ophiolite, the Careo´n Unit (northwest Spain), displays amphibolite-facies ductile deformation fabrics related to the onset of the Rheic Ocean closure. Two different fabrics, an early high-T foliation and a[...]texto impreso
Dos Santos Alves, Kelvin ; Barrios Sánchez, Santos ; Gómez Barreiro, Juan ; Merinero Palomares, Raúl ; Compaña Prieto, José Manuel | Elsevier | 2020-06The Fresnedoso creek gold placer (FGP) in the Moraleja Basin (W Iberian Massif) has been investigated in terms of morphological, textural and compositional evolution of gold particles. A mixture of two populations has been identified being coher[...]texto impreso
Castiñeiras García, Pedro ; Díaz García, Florentino ; Gómez Barreiro, Juan | Elsevier Science B.V., Amsterdam | 2010The A Silva granodiorite is a plutonic body intruded into the metasediments of the upper unit of the Órdenes Complex (Variscan belt, NW Spain). These metasediments represent the middle section of a magmatic arc located in northern Gondwana. The [...]texto impreso
Martínez Catalán, José R. ; Arenas Martín, Ricardo ; Abati Gómez, Jacobo ; Sánchez Martínez, Sonia ; Díaz García, Florentino ; Fernández Suárez, Javier ; González Cuadra, Pablo ; Castiñeiras García, Pedro ; Gómez Barreiro, Juan ; Díez Montes, Alejandro ; González Clavijo, Emilio ; Rubio Pascual, Francisco J. ; Andonaegui Moreno, Pilar ; Jeffries, Teresa E. ; Alcock, James E. ; Díez Fernández, Rubén ; López Carmona, Alicia | Elsevier Masson, France | 2009Ophiolites of different Paleozoic ages occur in North-West (NW) Iberia in a rootless suture representing the remnants of the Rheic Ocean. Associated allochthonous terranes in the hanging- and foot-walls of the suture derive from the former margi[...]texto impreso
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Benítez Pérez, José Manuel ; Castiñeiras García, Pedro ; Gómez Barreiro, Juan ; Martínez Catalán, José Ramón ; Kylander-Clark, Andrew ; Holdsworth, Robert | European Geosciences Union | 2020The Sobrado unit, within the upper part of the Órdenes Complex (NW Spain) represents an allochthonous tectonic slice of exhumed high-grade metamorphic rocks formed during a complex sequence of orogenic processes in the middle to lower crust. In [...]texto impreso
Gómez Barreiro, Juan ; Martínez Catalán, José Ramón ; Díez Fernández, Rubén ; Arenas Martín, Ricardo ; Díaz García, Florentino | Geological Society of London. | 2010The kinematics of the basal allochthon in the SW of the O´ rdenes Complex is analysed to constraint its evolution during collisional and postcollisional stages of the Variscan orogeny. Two distinct sequences have been identified in the basal all[...]texto impreso
Abati Gómez, Jacobo ; Castiñeiras García, Pedro ; Arenas Martín, Ricardo ; Fernández Suárez, Javier ; Gómez Barreiro, Juan ; Wooden, Joseph L. | Blackwell Publishing Ltd | 2007Dating of zircon cores and rims from granulites developed in a shear zone provides insights into the complex relationship between magmatism and metamorphism in the deep roots of arc environments. The granulites belong to the uppermost allochthon[...]
