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A taxonomic study of the trilobites found in the Marianian parastratotype of the Iberian Chains, north?east Spain, results in the recognition of the new redlichiid Redlichia isuelaensis sp. nov., the ellipsocephalid Lusatiops ribotanus, and the [...]texto impreso
Álvaro, J.J. ; Sánchez García, Teresa ; Puddu, Claudia ; Casas Tuset, Josep María ; Díez Montes, Alejandro ; Liesa Torre Marín, Montserrat ; Oggiano, Giacomo | European Geosciences Union | 2020A geochemical comparison of early Palaeozoic felsic magmatic episodes throughout the south-western European margin of Gondwana is made and includes (i) Furongian–Early Ordovician (Toledanian) activities recorded in the Central Iberian and Galici[...]texto impreso
Álvaro, J.J. ; Vennin, E. ; Moreno-Eiris, Elena ; Perejón, Antonio ; Bechstádt, T. | Sociedad Geológica de España. | 2000In the Esla nappe, three major discontinuities have been recognized within the Lancara Formation. Discontinuity D1 is located at the top of the white bedded limestones. It is recognized as an erosive contact and marks a sharp change from a perit[...]texto impreso
Álvaro, J.J. ; Vennin, E. ; Moreno-Eiris, Elena ; Perejón, Antonio ; Bechstádt, T. | Sociedad Geológica de España. | 2000In the Esla nappe, three major discontinuities have been recognized within the Lancara Formation. Discontinuity D1 is located at the top of the white bedded limestones. It is recognized as an erosive contact and marks a sharp change from a perit[...]texto impreso
Vennin, E. ; Moreno-Eiris, Elena ; Perejón, Antonio ; Álvaro, J.J. | Sociedad Geológica de España | 2001Se revisan en este trabajo los procesos diagenéticos registrados en las bioconstrucciones expuestas en dos canteras de Alconera (Badajoz), pertenecientes al Miembro La Hoya (Formación Alconera), situadas en la zona de Ossa-Morena y de edad Maria[...]texto impreso
Popov, Leonid E. ; Álvaro, J.J. ; Holmer, Lars E. ; Bauert, Heikki ; Pour, Mansoureh Ghobadi ; Dronov, Andrei V. ; Lehnert, Oliver ; Hints, Olle ; Männik, Peep ; Zhang, Zhifei ; Zhang, Zhiliang | Nature Research | 2019The Tremadocian (Early Ordovician) is currently considered a time span of greenhouse conditions with tropical water surface temperature estimates, interpolated from oxygen isotopes, approaching 40?°C. In the mid-latitude Baltoscandian Basin, con[...]texto impreso
This paper presents a case study of the sublacustrine precipitation of hydrothermal silica ± TiO2 in the Ediacaran Mançour Group of the Saghro inlier, Anti?Atlas, Morocco. Lacustrine carbonates containing stromatolitic mats and bioherms occur in[...]texto impreso
Álvaro, J.J. ; Cortijo, I. ; Jensen, S. ; Lorenzo Álvarez, Saturnino ; Pieren Pidal, Agustín Pedro | Consejo Superior de Investigaciones Científicas | 2019An updated stratigraphic subdivision of the Ediacaran and Terreneuvian in the Alcudia valley and the Toledo Mountains, Central Iberian Zone, is documented here. The Lower Alcudian-Domo Extremeño Supergroup is subdivided, from bottom to top, into[...]
