Ediacaran to Lower Ordovician age for rocks ascribed to the Schist–Graywacke Complex (Iberian Massif, Spain): Evidence from detrital zircon SHRIMP U–Pb geochronology

Abati, 2010, Detrital zircon ages of Neoproterozoic sequences of the Moroccan Anti-Atlas belt, Precambrian Research, 181, 115, 10.1016/j.precamres.2010.05.018 Antunes, 2009, The genesis of I- and S-type granitoid rocks of the Early Ordovician Oledo pluton, Central Iberian Zone (central Portugal), Lithos, 111, 168, 10.1016/j.lithos.2008.07.014 Bahlburg, 2010, Plate tectonic significance of Middle Cambrian and Ordovician siliciclastic rocks of the Bavarian Facies, Armorican Terrane Assemblage, Germany - U–Pb and Hf isotope evidence from detrital zircons, Gondwana Research, 17, 223, 10.1016/j.gr.2009.11.007 Bandrés, 2004, The northern Ossa-Morena Cadomian batholith (Iberian Massif): magmatic arc origin and early evolution, International Journal of Earth Sciences, 93, 860, 10.1007/s00531-004-0423-6 Barbey, 2004, The Paleoproterozoic in western Anti-Atlas (Morocco): a clarification, Journal of African Earth Sciences, 39, 239, 10.1016/j.jafrearsci.2004.07.044 Barth, 2002, Re–Os and U–Pb geochronological constraints on the eclogite-tonalite connection in the Archean Man Shield, West Africa, Precambrian Research, 118, 267, 10.1016/S0301-9268(02)00111-0 Bea, 2003, The nature and origin of the granite source layer of Central Iberia: evidence from trace element, Sr and Nd isotopes, and zircon age patterns, Journal of Geology, 111, 579, 10.1086/376767 Bea, 2006, A revised Ordovician age for the oldest magmatism of Central Iberia: U–Pb ion microprobe and LA-ICPMS dating of the Miranda do Douro orthogneiss, Geologica Acta, 4, 395 Bea, 2010, The paleogeographic position of Central Iberia in Gondwana during the Ordovician: evidence from zircon chronology and Nd isotopes, Terra Nova, 22, 341, 10.1111/j.1365-3121.2010.00957.x Bea, 2011, SHRIMP dating and Nd isotope geology of the Archean terranes of the Uweinat–Kamil inlier, Egypt–Sudan–Libya, Precambrian Research, 189, 328, 10.1016/j.precamres.2011.07.017 Black, 2003, TEMORA 1: a new zircon standard for Phanerozoic U–Pb geochronology, Chemical Geology, 200, 155, 10.1016/S0009-2541(03)00165-7 Carrington da Costa, 1950, 1 Compston, 1992, Zircon U–Pb ages for the Early Cambrian Time-Scale, Journal of the Geological Society, 149, 171, 10.1144/gsjgs.149.2.0171 Cortijo, 2010, A new species of Cloudina from the terminal Ediacaran of Spain, Precambrian Research, 176, 1, 10.1016/j.precamres.2009.10.010 Diez Balda, 1981, Hallazgo de Acritarcos en el Complejo esquisto-grauváquico al sur de Salamanca, Acta Geológica Hispánica, 16, 131 Díez Fernández, 2010, U–Pb ages of detrital zircons from the Basal allochthonous units of NW Iberia: Provenance and paleoposition on the northern margin of Gondwana during the Neoproterozoic and Paleozoic, Gondwana Research, 18, 385, 10.1016/j.gr.2009.12.006 D'Lemos, 2006, A newly discovered orogenic event in Morocco: Neoproterozic ages for supposed Eburnean basement of the Bou Azzer inlier, Anti-Atlas Mountains, Precambrian Research, 147, 65, 10.1016/j.precamres.2006.02.003 Drost, 2011, Provenance of Neoproterozoic and early Paleozoic siliciclastic rocks of the Tepla-Barrandian unit (Bohemian Massif): evidence from U–Pb detrital zircon ages, Gondwana Research, 19, 213, 10.1016/j.gr.2010.05.003 Eddif, 2007, Age of the Wirgane granodiorite intrusions (Western High-Atlas, Morocco): new U–Pb constraints, Journal of African Earth Scienes, 47, 227, 10.1016/j.jafrearsci.2007.02.003 El Hadi, 2010, Structural and geochronological constraints on the evolution of the Bou Azzer Neoproterozoic ophiolite (Anti-Atlas, Morocco), Precambrian Research, 182, 1, 10.1016/j.precamres.2010.06.011 Escuder, J., Diez Montes, A., Bellido,F., Rubio Pascual,F.J., Martín-Romera, C., Rodríguez Fernández,L.R., Carrasco, R., 1991. Memoria explicativa del mapa geológico 1.50000 de Aldeadávila de la Ribera. Madrid, Spain. Fernández-Suárez, 2000, New ideas on the Proterozoic–Early Paleozoic evolution of NW Iberia: insights from U–Pb detrital zircon ages, Precambrian Research, 102, 185, 10.1016/S0301-9268(00)00065-6 Fernández-Suárez, 2002, The importance of along-margin terrane transport in northern Gondwana: insights from detrital zircon parentage in Neoproterozoic rocks from Iberia and Brittany, Earth and Planetary Science Letters, 204, 75, 10.1016/S0012-821X(02)00963-9 Fezaa, 2010, Late Ediacaran geological evolution (575–555 Ma) of the Djanet Terrane, Eastern Hoggar, Algeria, evidence for a Murzukian intracontinental episode, Precambrian Research, 180, 299, 10.1016/j.precamres.2010.05.011 García-Hidalgo, 1993, Las pistas fósiles de los anticlinales de Alcudia y Abenojar (Zona Centroibérica) Edad de las Series, Geogaceta, 14, 57 Gasquet, 2004, Polycyclic magmatism in the Tagragra d'Akka and Kerdous Tafeltast inliers (Western Anti-Atlas Morocco), Journal of African Earth Sciences, 39, 267, 10.1016/j.jafrearsci.2004.07.062 Gasquet, 2005, Contribution to a geodynamic reconstruction of the Anti-Atlas (Morocco) during Pan-African times with the emphasis on inversion tectonics and metallogenic activity at the Precambrian–Cambrian transition, Precambrian Research, 140, 157, 10.1016/j.precamres.2005.06.009 González Clavijo, 2002, Stratigraphic record of preorogenic to synorogenic sedimentation, and tectonic evolution of imbricate units in the Alcañices synform (northwestern Iberian Massif), in Martínez Catalan, 17 Gradstein, 2004, A new geologic time scale with special reference to Precambrian and Neogene, Episodes, 27, 83, 10.18814/epiiugs/2004/v27i2/002 Gutiérrez-Alonso, 2003, Terrane accretion and dispersal in the northern Gondwana margin. An Early Paleozoic analogue of a long-lived active margin, Tectonophysics, 365, 221, 10.1016/S0040-1951(03)00023-4 Gutiérrez-Alonso, 2007, U–Pb depositional age for upper Barrios Formation (Armorican Quartzite facies) in the Cantabrian zone of Iberia, 423, 287 Henry, 2009, Repeated granitoid intrusions during the Neoproterozoic along the western boundary of the Saharan metacraton, Eastern Hoggar, Tuareg shield, Algeria: An AMS and U–Pb zircon age study, Tectonophysics, 474, 417, 10.1016/j.tecto.2009.04.022 Inglis, 2004, A precise U–Pb zircon age for the Bleida granodiorite, Anti-Atlas, Morocco: implications for the timing of deformation and terrane assembly in the eastern Anti-Atlas, Journal of African Earth Sciences, 39, 277, 10.1016/j.jafrearsci.2004.07.041 Inglis, 2005, Geochronological constraints on Late Precambrian intrusion, metamorphism, and tectonism in the Anti-Atlas Mountains, Journal of Geology, 113, 439, 10.1086/430242 Jensen, 2007, A brief review of the fossil record of the Ediacaran–Cambrian transition in the area of Montes de Toledo-Guadalupe, Spain, 223 Key, 2008, Two Mesoarchean terranes in the Reguibat shield of Mauritania, 33 Kober, 2004, SHRIMP dating of zircons from high-grade metasediments of the Schwarzwald/SW-Germany and implications for the evolution of the Moldanubian basement, Contributions to Mineralogy and Petrology, 147, 330, 10.1007/s00410-004-0560-8 Kuster, 2008, Precambrian Research, 164, 16, 10.1016/j.precamres.2008.03.003 Liñán, 1984, Precambrian–Cambrian boundary and correlation from southwestern and central part of Spain, Geological Magazine, 121, 221, 10.1017/S0016756800028284 Liñán, 2002, Cambrian, 17 Linnemann, 2004, West African provenance for Saxo-Thuringia (Bohemian Massif): Did Armorica ever leave pre-Pangean Gondwana? — U/Pb-SHRIMP zircon evidence and the Nd-isotopic record, International Journal of Earth Sciences, 93, 683, 10.1007/s00531-004-0413-8 Linnemann, 2007, 423, 61 Linnemann, 2008, The Cadomian Orogeny and the opening of the Rheic Ocean: the diacrony of geotectonic processes constrained by LA-ICP-MS U–Pb zircon dating (Ossa-Morena and Saxo-Thuringian Zones, Iberian and Bohemian Massifs), Tectonophysics, 461, 21, 10.1016/j.tecto.2008.05.002 López Díaz, 1995, Late Precambrian series and structures in the Navalpino Variscan Anticline (Central Iberian Peninsula), Geologische Rundschau, 84, 151 Malek, 1998, Geochronologie U–Pb sur zircon de granitoïdes éburnées et panafricains dans les boutonnières protérozoïques d'lgherm, du Kerdous et du Bas Drâa (Anti-Atlas occidental, Maroc), Comptes Rendus de L’ Academie des Sciences Paris, Sciences de la Terre et des Planètes, 327, 819 Maloof, 2005, An expanded record of Early Cambrian carbon cycling from the Anti-Atlas Margin, Morocco, Canadian Journal of Earth Sciences, 42, 2195, 10.1139/e05-062 Martín Herrero, D., Albert Colomer, V., López Plaza, M., Rodríguez Alonso, M.D., 1990. Memoria explicative del mapa geológico 1.50000 de Ciudad Rodrigo. Madrid, España. Martínez Poyatos, 2001, La estructura de la Zona Centroibérica en la región de Los Pedroches (Macizo Ibérico meridional), Revista de la Sociedad Geológica de España, 14, 147 Melleton, 2010, Precambrian protoliths and Early Paleozoic magmatism in the French Massif Central: U–Pb data and the North Gondwana connection in the west European Variscan belt, Gondwana Research, 17, 13, 10.1016/j.gr.2009.05.007 Montero, 2007, Zircon crystallization age and protolith history of the metavolcanic rocks and metagranites of the Ollo de Sapo Domain in central Spain. Implications for the Neoproterozoic to Early-Paleozoic evolution of Iberia, Geological Magazine, 144, 963, 10.1017/S0016756807003858 Montero, 2009, Zircon Geochronology of the Ollo de Sapo Formation and the age of the Cambro-Ordovician rifting in Iberia, Journal of Geology, 117, 174, 10.1086/595017 Moreno, 1976, Sobre la edad de las series ordovícicas y cámbricas relacionadas con la discordancia sárdica en el anticlinal de Valdelacasa (Montes de Toledo occidentales), Breviora Geológica Astúrica, 20, 8 Murphy, 2008, Probing crustal and mantle lithosphere origin through Ordovician volcanic rocks along the Iberian passive margin of Gondwana, Tectonophysics, 461, 166, 10.1016/j.tecto.2008.03.013 Nance, 2010, Evolution of the Rheic Ocean, Gondwana Research, 17, 194, 10.1016/j.gr.2009.08.001 Neiva, 2009, Geochemical and isotopic constraints on the petrogenesis of Early Ordovician granodiorite and Variscan two-mica granites from the Gouveia area, central Portugal, Lithos, 111, 186, 10.1016/j.lithos.2009.01.005 Ochsner, A. 1993. U-Pb Geochronology of the Upper Proterozoic – Lower Paleozoic Geodynamic Evolution in the Ossa-Morena Zone (SW Iberia): Constraints on the Timing of the Cadomian Orogeny. Ph. D. thesis, ETH Zurich, 249 pp. Olivé, A., Álvaro, M., Monteserín, V., Andonaegui, P., 1989. Memoria explicativa del mapa geológico 1.50000 de El Puente del Arzobispo. Madrid, España. Ordóñez Casado, B., 1998. Geochronological studies of the Pre-Mesozoic basement of the Iberian Massif: the Ossa-Morena Zone and the Allochthonous Complexes within the Central Iberian Zone. Ph. D. thesis, ETH Zurich. Ortega Gironés, 1986, La discordancia intra-Alcudiense en el dominio meridional de la Zona Centroibérica, Geológica Astúrica, 27, 27 Palero, 1993, Tectónica pre-hercínica de las series infraordovícicas del anticlinal de Alcudia y la discordancia intraprecámbrica en su pate oriental (sector meridional de la Zona Centroibérica), Boletín Geológico y Minero, 104, 227 Pereira, 2008, 297, 385 Pereira, 2011, Tracing the Cadomian magmatism with detrital/inherited zircon ages by in-situ U–Pb SHRIMP geochronology (Ossa-Morena Zone, SW Iberian Massif), Lithos, 123, 204, 10.1016/j.lithos.2010.11.008 Pérez-Estaún, A., Bea, F., 2004. Macizo Ibérico, in: Vera, J.A. (Ed.), Geología de España, Madrid, SGE-IGME, Madrid, Spain, 19–230. Pickerill, 1984, Arenig trace fossils from the Salamanca area, western Spain, Geological Journal, 19, 249, 10.1002/gj.3350190305 Potrel, 1998, Archean crustal evolution of the west African craton: Example of the Amsaga area (Reguibat rise). U–Pb and Sm–Nd evidence for crustal growth and recycling, Precambrian Research, 90, 107, 10.1016/S0301-9268(98)00044-8 Pouclet, 2008, The Cambrian volcano-sedimentary formations of the westernmost High Atlas (Morocco): their place in the geodynamic evolution of the West African Palaeo-Gondwana northern margin, 303 Rebelo, 1986, A contribution to the lithostratigraphy and palaeontology of the Lower Palaeozoic rocks of the Moncorvo Region. Northeast Portugal, Comisión de Servicio Geológico de Portugal, 72, 45 Reis, 2010, The Precambrian/Lower Cambrian pluton from Vila Nova (Central Portugal), Estudios Geológicos, 66, 51, 10.3989/egeol.40142.096 Rodríguez Alonso, 2004, La secuencia litoestratigráfica del Neoproterozoico-Cámbrico Inferior, Geologia de España, 78 Rodríguez Alonso, 2004, Neoproterozoic–Cambrian synsedimentary magmatism in the Central Iberian Zone (Spain): geology, petrology and geodynamic significance, International Journal of Earth Sciences, 93, 897, 10.1007/s00531-004-0425-4 Rodríguez Fernández, L.R., Bellido, F., Díez Montes, A., Gallastegui, G., González Clavijo, E., López Olmedo, F., Marín, C., Martín Parra, L.M., Martín Serrano, A., Montes, M., Matas, J., Nozal, F., Roldán, F., Rubio, F., 2004. Mapa geológico de España 1:2000000. Madrid, Spain. Rubatto, 2002, Zircon trace element geochemistry: partitioning with garnet and the link between U–Pb ages and metamorphism, Chemical Geology, 184, 123, 10.1016/S0009-2541(01)00355-2 Samson, 2004, Geochronological, geochemical, and Nd–Hf isotopic constraints on the origin of Neoproterozoic plagiogranites in theTasriwine ophiolite, Anti-Atlas orogen, Morocco, Precambrian Research, 135, 133, 10.1016/j.precamres.2004.08.003 San José, 1990, Central Iberian Zone. Ante-Ordovician Stratigraphy, 147 Simancas, 2004, From the Cadomian orogenesis to the Early Palaeozoic Variscan rifting in Southwest Iberia, Journal of Iberian Geology, 30, 53 Slama, 2008, Transition from island-arc to passive setting on the continental margin of Gondwana: U–Pb zircon dating of Neoproterozoic metaconglomerates from the SE margin of the Tepla-Barrandian Unit, Bohemian Massif, Tectonophysics, 461, 44, 10.1016/j.tecto.2008.03.005 Sola, A.R., 2007. Relaçoes petrogeoquímicas dos Maciços Graníticos do NE Alentejano. PhD thesis, Universidade de Coimbra. Sola, 2008, New insights from U–Pb zircon dating of Early Ordovician magmatism on the northern Gondwana margin: the Urra Formation (SW Iberian Massif, Portugal), Tectonophysics, 461, 114, 10.1016/j.tecto.2008.01.011 Sousa, 1984, Consideraçoes sobre a estratigrafia do Complexo Xisto-Grauváquico (CXG) e sua relaçao com o Palezoico Inferior, Cuadernos de Geologia Iberica, 9, 9 Talavera, 2008, Precise single-zircon Pb–Pb dating reveals that Aljucén (Mérida) is the oldest plutonic body of the Central Iberian Zone, Geo-Temas, 10, 249 Talavera, C., Bea, F., Montero, P., González Lodeiro, F., Whitehouse, M., submitted for publication. U–Pb Zircon geochronology of the Cambro-Ordovician metagranites and metavolcanic rocks of central and NW Iberia. International Journal of Earth Sciences. doi:10.1007/s00531-012-0788-x. Thomas, 2002, Precambrian evolution of the Sirwa Window, Anti-Atlas Orogen, Morocco, Precambrian Research, 118, 1, 10.1016/S0301-9268(02)00075-X Tyszka, 2008, Multiple Archean to Early Paleozoic events of the northern Gondwana margin witnessed by detrital zircons from the Radzimowice Slates, Kaczawa Complex (Central European Variscides), Geological Magazine, 145, 85, 10.1017/S0016756807003962 Ugidos, 2003, Geochemistry of the Upper Neoproterozoic and Lower Cambrian siliciclastic rocks and U–Pb dating on detrital zircons in the Central Iberian Zone, Spain, International Journal of Earth Sciences, 92, 661, 10.1007/s00531-003-0355-6 Vidal, 1994, Neoproterozoic-early Cambrian geology and paleontology of Iberia, Geological Magazine, 131, 729, 10.1017/S001675680001284X Vidal, 1994, Neoproterozoic (Vendian) ichnofossils from Lower Alcudian strata in central Spain, Geological Magazine, 131, 169, 10.1017/S0016756800010700 Walsh, 2002, U–Pb zircon geochronology of the Paleoproterozoic Tagragra de Tata inlier and its Neoproterozoic cover, western Anti-Atlas, Morocco, Precambrian Research, 117, 1, 10.1016/S0301-9268(02)00044-X Williams, 1987, Isotopic evidence for the Precambrian provenance and Caledonian metamorphism of high grade paragneisses from the Seve Nappes, Scandinavian Caledonides II. Ion microprobe zircon U–Th–Pb, Contribution to Mineralogy and Petrology, 97, 205, 10.1007/BF00371240