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Romeo Briones, Ignacio ; Tejero López, Rosa ; Capote del Villar, Ramón ; Lunar Hernández, Rosario | Cambridge University Press | 2008The Aguablanca stock is a Variscan mafic pluton located in the Ossa-Morena zone, southern Iberian Massif, hosting an unusual Ni–Cu–PGE mineralization associated with magmatic breccia pipes which intruded its northern part. The emplacement of the[...]texto impreso
Lobate scarps are the topographic expression of the largest thrust faults observed on the surfaces of terrestrial planets and their study provides information on the mechanical characteristics of the lithosphere at the time of formation. Here we[...]texto impreso
Romeo Briones, Ignacio ; Capote del Villar, Ramón ; Martín González, Fidel ; Tsige Aga, Meaza ; García Izquierdo,, Beatriz | Sociedad Geológica de España. | 2004The differential stress that caused the extensional ductile shear o f Santa Ma de la Alameda during the collapse of the Variscan orogen in the Sistema Central (central Iberia) has been estimated using the dynamically recrystallized grain size of[...]texto impreso
Detailed observations on Venus tessera terrain reveal the presence of tectonic structures, characterized by a subcircular trough, limiting an internal area with the average elevation of the surrounding terrain. We named this new type of tectonic[...]texto impreso
Tesseras are highly deformed terrains characterized by two or more sets of tectonic structures crosscutting each other, which is indicative of a complex tectonic history [1]. Because these terrains mainly appear inside crustal plateaus, interpre[...]texto impreso
Romeo Briones, Ignacio ; Capote del Villar, Ramón ; Lunar Hernández, Rosario | Elsevier Science B.V., Amsterdam. | 2007The mylonitic marbles of the Cherneca shear zone, a Variscan sinistral strike-slip structure developed in the Ossa-Morena Zone (SW Iberia) related to the emplacement of the Santa Olalla Igneous Complex, were studied in detail. Different mylonite[...]texto impreso
Herrero Gil, Andrea ; Ruiz Pérez, Javier ; Egea González, Isabel ; Romeo Briones, Ignacio | EGU General Assembly | 2017Lobate scarps are tectonic structures considered as the topographic expression of thrust faults. For this study we have chosen three large lobate scarps (Ogygis Rupes, Bosporos Rupes and a third unnamed one) located in Aonia Terra, in the southe[...]texto impreso
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Triton's surface shows clear evidences of resurfacing processes such as volcanism, tectonic structures and a very low presence of impact basins, which indicates that Triton's interior could remain active currently. It is generally assumed in icy[...]texto impreso
Herrero Gil, Andrea ; Ruiz Pérez, Javier ; Romeo Briones, Ignacio | American Geophysical Union | 2020-03Amenthes Rupes is the topographic expression of a main fault belonging to a thrust fault system located parallel to the martian dichotomy boundary. A 3D forward model has been applied to the Amenthes thrust fault system, constraining fault geome[...]texto impreso
Subduction requires the permanent generation of a bend fold in the subducting slab which mechanics is not well understood. Lithospheric bending of subducting slabs was traditionally considered to be accommodated by orthogonal flexure, generating[...]texto impreso
Romeo Briones, Ignacio ; Capote del Villar, Ramón ; Tejero López, Rosa ; Lunar Hernández, Rosario ; Quesada Ochoa, Cecilio | Elsevier | 2006The Santa Olalla Igneous Complex, a late-Variscan group of intrusions located in the Ossa-Morena Zone (SW Iberia), has been the focus of a gravity and structural study. The structure outlined by the foliation map is complex, showing two differen[...]texto impreso
Piña García, Rubén ; Romeo Briones, Ignacio ; Ortega Menor, Lorena ; Lunar Hernández, Rosario ; Capote del Villar, Ramón ; Gervilla, Fernando ; Tejero López, Rosa ; Quesada Ochoa, Cecilio | Geological Society of America | 2010-05A model is proposed for the origin and emplacement of the ca. 341 Ma Aguablanca magmatic Ni-Cu-(platinum group element [PGE]) sulfi de deposit (SW Iberia) integrating petrological, geochemical, structural, and geophysical data. The Aguablanca de[...]texto impreso
Romeo Briones, Ignacio ; Capote del Villar, Ramón ; Lunar Hernández, Rosario ; Cayzer, N. | Elsevier Science B.V., Amsterdam. | 2007Electron Back-Scatter Diffraction (EBSD), which provides an easy way of acquiring large numbers of individual crystallographic orientation data from different phases, has been applied to the study of magmatic fabrics. Using this technique, the c[...]texto impreso
Many areas of Mars have been focus of the search for dikes, mostly in the Tharsis region; Ar-sia [1], Pavonis [2] and Olympus Montes [3], Alba Patera [4], Valles Marineris [5] and eastern Thaumasia [6]. However, the other prominent volcanic prov[...]
