Información del autor
Autor Sánchez Martínez, Sonia |
Documentos disponibles escritos por este autor (40)
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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
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
Rojo-Pérez, Esther ; Arenas Martín, Ricardo ; Fuenlabrada Pérez, José Manuel ; Sánchez Martínez, Sonia ; Martín Parra, Luis Miguel ; Matas, Jerónimo ; Pieren Pidal, Agustín Pedro ; Díez Fernández, Rubén | Elsevier | 2019-05In the Iberian Massif, westernmost sector of the Variscan Orogen, the nature of the boundary between the Central Iberian Zone and the Ossa Morena Complex has been largely discussed. Peri-Gondwanan Ediacaran series similar in age (c. 565?Ma) but [...]texto impreso
Raumer, Jürgen F. von ; Stamp?i, Gérard Maurice ; Arenas Martín, Ricardo ; Sánchez Martínez, Sonia | Springer | 2015-07In tectonic maps of Variscan Europe, allochthonous pieces of Cadomian basement clearly stand out with their predominant metabasic to ultrabasic elements, the so-called exotic terranes with ophiolites. Most of these domains are observed in baseme[...]texto impreso
Díez Fernández, Rubén ; Arenas Martín, Ricardo ; Pereira, M. Francisco ; Sánchez Martínez, Sonia ; Albert Roper, Richard ; Martín Parra, Luis Miguel ; Rubio Pascual, Francisco J. ; Matas, J. | Sociedad Geológica de España. | 2016La revisión de la evolución tectonometamórfica y magmática del Macizo Ibérico revela periodos de extensión y convergencia alternantes dentro de un proceso global de convergencia entre Gondwana y Laurrusia durante la formación de Pangea en el Pal[...]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
Fuenlabrada Pérez, José Manuel ; Arenas Martín, Ricardo ; Sánchez Martínez, Sonia ; Díez Fernández, Rubén ; Pieren Pidal, Agustín Pedro ; Pereira, M. Francisco ; Chichorro, Martim ; Silva, José B. | Elsevier | 2020-02The geochemical and isotopic (SmNd) features of the Ediacaran-Cambrian siliciclastic series from the Central Iberian Zone and the Iberian Allochthonous Domains indicate a significant paleogeographic change at the northern margin of Gondwana, ass[...]texto impreso
Díez Fernández, Rubén ; Fuenlabrada Pérez, José Manuel ; Chichorro, Martim ; Pereira, M. Francisco ; Sánchez Martínez, Sonia ; Silva, José B. ; Arenas Martín, Ricardo | Elsevier | 2017-01The basal allochthonous units of NW and SW Iberia are members of an intra-Gondwana suture zone that spreadsacross the Iberian Massif and was formed during the collision of Gondwana and Laurussia in the late Paleozoic. This suture zone is made o[...]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
Fuenlabrada Pérez, José Manuel ; Pieren Pidal, Agustín Pedro ; Díez Fernández, Rubén ; Sánchez Martínez, Sonia ; Arenas Martín, Ricardo | Elsevier | 2016-06A complete Ediacaran–Early Cambrian stratigraphic transition can be observed in the southern part of the Central Iberian Zone (Iberian Massif). Two different stratigraphic units, underlying Ordovician series, display geochemical and Sm–Nd isotop[...]texto impreso
Andonaegui Moreno, Pilar ; Sánchez Martínez, Sonia ; Castiñeiras García, Pedro ; Abati Gómez, Jacobo ; Arenas Martín, Ricardo | Sociedad Geológica de España. | 2016Las Unidades Superiores de los Complejos alóctonos del NO del Macizo Ibérico, han sido interpretadas como parte de un arco magmático peri-Gondwánico, activo desde el Cámbrico medio hasta el Ordovícico inferior. Los principales cuerpos plutónicos[...]texto impreso
Sánchez Martínez, Sonia ; Arenas Martín, Ricardo ; Gerdex, Axel ; Castiñeiras García, Pedro ; Potrel, Alain ; Fernández Suárez, Javier | Geological Society of London. | 2011In the Purrido Ophiolite (Cabo Ortegal Complex), new U–Pb zircon dating of the amphibolite G03-8 (by laser ablation inductively coupled plasma mass spectrometry) confirms the existence of a dominant Mesoproterozoic zircon population with a refin[...]texto impreso
Arenas Martín, Ricardo ; Andonaegui Moreno, Pilar ; Albert Roper, Richard ; Sánchez Martínez, Sonia ; Díez Fernández, Rubén | Sociedad Geológica de España. | 2016The upper allochthonous units of NW Iberian Massif montain an extensive Cambrian magmatism (c. 500 Ma), that generated large massifs of granitic rocks and gabbros with calc-alkaline and tholeiitic compositions, respectively. Petrological and ge[...]texto impreso
In the NW Iberian Massif, in the Galicia region, several allochthonous complexes (Cabo Ortegal, Órdenes and Malpica-Tui) contain a rootless Variscan suture that can be followed along the belt. The allochthonous complexes include two different co[...]texto impreso
Fuenlabrada Pérez, José Manuel ; Arenas Martín, Ricardo ; Sánchez Martínez, Sonia ; Díez Fernández, Rubén ; Pieren Pidal, Agustín Pedro | Sociedad Geológica de España. | 2016Las características geoquímicas e isotópicas de las series turbidíticas del Macizo Ibérico reflejan distintos escenarios tectónicos en la periferia de Gondwana. Estos cambios se observan en el registro sedimentario de la transición Ediacarense-C[...]texto impreso
Díaz García, Florentino ; Sánchez Martínez, Sonia ; Castiñeiras García, Pedro ; Fuenlabrada Pérez, José Manuel ; Arenas Martín, Ricardo | Elsevier Science B. V., Amsterdam | 2009The arc-derived upper units of the Órdenes Complex, NW Iberia, are emplaced above the Variscan suture and contain a low-grade metasedimentary uppermost section, with a maximum depositional age of 510–530 Ma, intruded by a number of mafic dykes. [...]texto impreso
Fuenlabrada Pérez, José Manuel ; Arenas Martín, Ricardo ; Sánchez Martínez, Sonia ; Díaz García, Florentino ; Castiñeiras García, Pedro | Elsevier Science B. V., Amsterdam | 2010The arc-derived upper terrane in the NW Iberia Variscan belt contains a 3000 m thick turbiditic formation at its structural top. Most of the sandstones are feldspathic greywackes with a framework of quartz and weakly altered plagioclase. Rock fr[...]texto impreso
A pre-Rodinian ophiolite involved in the Variscan suture of Galicia (Cabo Ortegal Complex, NW Spain)
Sánchez Martínez, Sonia ; Jeffries, Teresa E. ; Arenas Martín, Ricardo ; Fernández Suárez, Javier ; García Sánchez, Raquel | Geological Society of London. | 2006U–Pb dating of zircons from a metagabbro of the Purrido amphibolitic unit (Cabo Ortegal Complex, NW Iberian Massif) yielded an age of 1159 ± 39 Ma, interpreted to approximate the crystallization age of the gabbroic protolith. Considering the arc[...]texto impreso
Albert Roper, Richard ; Arenas Martín, Ricardo ; Gerdes, Axel ; Sánchez Martínez, Sonia ; Marko, Linda | Sociedad Geológica de España. | 2016The Variscan Upper Allochthon is a continental-affinity terrane that recorded a Cambrian–Ediacaran magmatic arc generation, a subsequent transition to a passive margin, and a collision-related high-P metamorphism during the Devonian–Carboniferou[...]texto impreso
Albert, R. ; Arenas Martín, Ricardo ; Gerdes, Axel ; Sánchez Martínez, Sonia ; Fernández-Suárez, J. ; Fuenlabrada Pérez, José Manuel | Elsevier | 2015-12his study focuses on the provenance of the uppermost unit of the Upper Allochthon of the Variscan belt with combined U–Pb and Lu–Hf zircon (LA-ICPMS) and Sm–Nd whole-rock analyses. This unit is represented in the Cabo Ortegal Complex (NW Iberia)[...]texto impreso
Andonaegui Moreno, Pilar ; Sánchez Martínez, Sonia ; Castiñeiras García, Pedro ; Abati Gómez, Jacobo ; Arenas Martín, Ricardo | Springer | 2016-04In the allochthonous complexes of the NW Iberian Massif, the Upper Units have been interpreted as a section of a peri-Gondwanan magmatic arc active from Middle Cambrian to Early Ordovician times. The main plutonic bodies intruding the arc metase[...]texto impreso
Novo Fernández, Irene ; Albert Roper, Richard ; Arenas Martín, Ricardo ; Garcia Casco, Antonio ; Díez Fernández, Rubén ; Sánchez Martínez, Sonia | Wiley | 2020The Upper Units of the allochthonous complexes of the NW Iberian Massif constitute a terrane with continental affinity. They represent the vestiges of a Cambrian magmatic arc developed in the periphery of Gondwana (West African Craton) which was[...]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
Díez Fernández, Rubén ; Arenas Martín, Ricardo ; Sánchez Martínez, Sonia ; Novo Fernández, Irene ; Albert Roper, Richard | Wiley | 2021Within the Variscan Orogen, Early Devonian and Late Devonian high?P belts separated by mid?Devonian ophiolites can be interpreted as having formed in a single subduction zone. Early Devonian convergence nucleated a Laurussia?dipping subduction z[...]texto impreso
Fuenlabrada Pérez, José Manuel ; Arenas Martín, Ricardo ; Díez Fernández, Rubén ; Sánchez Martínez, Sonia ; Abati Gómez, Jacobo ; López Carmona, Alicia | Elsevier Science B.V., Amsterdam | 2012The basal units of the allochthonous complexes of NW Iberia are formed by thick metasedimentary rock sequences intruded by granitoids, ranging in composition from calc-alkaline (c. 493 Ma) to minor alkaline– peralkaline massifs (c. 475–470 Ma), [...]