Información del autor
Autor Villaseca González, Carlos |
Documentos disponibles escritos por este autor (98)
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Geothermobarometric estimations based on the trace element concentration of minerals from lower crustal peraluminous felsic granulite xenoliths from the Spanish Central System (SCS) have been performed. Zr in rutile thermometry (Zack et al., 200[...]texto impreso
Andonaegui Moreno, Pilar ; Villaseca González, Carlos ; López García, José Ángel | Sociedad Geológica de España | 2005In the gabbroic Messejana–Plasencia dyke we have distinguished three types of pyroxenes: enstatite, pigeonite and augite. Enstatite and augite have been the first minerals that have crystallized at high T (1100ºC – 1150ºC). Pigeonites (@1000ºC) [...]texto impreso
Chicharro Álvarez, Eva ; Villaseca González, Carlos ; López García, José Ángel ; Oyarzun, Roberto | Sociedad Geológica de España | 2011El granito de Logrosán (Cáceres, España) comprende un complejo stockwork intragranítico de venas de Sn-W y venas de fosfato periféricas encajadas en el Complejo Esquisto Grauváquico (CEG). El emplazamiento del granito de Logrosán tuvo lugar prob[...]texto impreso
Villaseca González, Carlos ; Barbero González, Luis C. | E. Schweizerbart'sche Verlagsbuchhandlung | 1994Two broad series of peraluminous granite types can be distinguished in the Central System of Spain. The first group consists of cordierite-bearing granites that are moderately peraluminous in composition (peraluminous S-type granites, PS). The s[...]texto impreso
Composición isotópica de Lu–Hf en circones de las etabasitas ordovícicas del Sistema Central Español
La composición isotópica Lu-Hf de los circones de las metabasitas ordovícicas del Sistema Central Español proporciona valores entre ligeramente y moderadamente empobrecidos y señala diferencias entre el sector de Tenzuela y los de Revenga-El Cal[...]texto impreso
Villaseca González, Carlos ; Ancochea Soto, Eumenio ; Orejana García, David ; Jeffries, Teresa E. | Geological Society of London | 2010Spinel lherzolite xenoliths from the Cenozoic Calatrava volcanic field provide a sampling of the lithospheric mantle of central Spain. The xenoliths are estimated to originate from depths of 35–50 km. Trace element content of clinopyroxene and C[...]texto impreso
Villaseca González, Carlos ; Pérez-Soba Aguilar, Cecilia ; López García, José Ángel ; Orejana García, David | Sociedad Geológica de España. | 2008Se estudia un pequeño macizo granulítico formado por paragneises metapelíticos variablemente migmatizados. Las metapelitas pueden presentar ortopiroxeno, mineral granulítico que aparece por primera vez en las series metamórficas aflorantes del S[...]texto impreso
Villaseca González, Carlos ; Merino Martínez, Enrique ; Oyarzun, Roberto ; Orejana García, David ; Pérez-Soba Aguilar, Cecilia ; Chicharro Álvarez, Eva | Elsevier | 2014Neoproterozoic metasedimentary units from central Spain and the northern Central Iberian Zone (CIZ) show distinctive geochemical signatures with respect to the Schist-Greywacke Complex, which is dominant in the southwestern part of the CIZ. Sign[...]texto impreso
Villaseca González, Carlos ; Pérez-Soba Aguilar, Cecilia ; Merino Martínez, Enrique ; Orejana García, David ; López García, José Ángel ; Billstrom, Kjell | Czech Geological Society | 2008The Variscan Montes de Toledo Batholith (MTB) is an E–W linear array of peraluminous granite plutons which is chemically segmented. The study is focused on the western segment of the MTB (W-MTB), mainly composed of granites with slightly lower C[...]texto impreso
Chicharro Álvarez, Eva ; Boixereu Vila, Ester ; Villaseca González, Carlos ; López García, José Ángel | Sociedad Española para la Defensa del Patrimonio Geológico y Minero | 2011El Cerro de San Cristóbal (Logrosán, Cáceres) es una cúpula granítica cuyo relieve destaca con respecto a las rocas encajantes de la Unidad Inferior del Complejo Esquisto Grauváquico. En el Cerro de San Cristóbal habitaron civilizaciones de la E[...]texto impreso
In Central Spain, it is possible to distinguish two main types of peraluminous late-Hercynian granites: the PI types and the PS types. The distinction between both types is made on the basis of differences in peraluminosity (PS types are more pe[...]texto impreso
Villaseca González, Carlos ; Belousova, Elena ; Barfod, Dan N. ; González Jiménez, José María | Geological Society of America | 2019-04-01We report the first attempt to date metasomatic events in peridotite xenoliths from the Subcontinental Lithospheric Mantle (SCLM) beneath the Cenozoic Calatrava volcanic field of central Spain. The most metasomatized xenoliths of the El Aprisco [...]texto impreso
García Serrano, Javier ; Villaseca González, Carlos ; Pérez-Soba Aguilar, Cecilia | Elsevier | 2021-01This work reports petrographical, mineralogical and geochemical data of a suite of mantle xenoliths from the Morrón de Villamayor volcanic centre (MVM), which belongs to the Calatrava Volcanic Field (CVF), a part of the Circum-Mediterranean Anor[...]texto impreso
The description of volcanic activity by early Spanish chronicles is poorly known in part by the unpublishment of some of their Natural Histories during centuries. Nevertheless, the detailed description of the volcanic phenomena and its associate[...]texto impreso
Nuez, J. de la ; González Ubanell, Alfonso ; Villaseca González, Carlos | Seminario de Estudos Galegos. Area de Xeoloxía e Minería ; Instituto Universitario de Xeoloxía "Isidro Parga Pondal" | 1982Según direcciones N-S afloran diques diabásicos y lamprof1ricos en los sectores centrales del Sistema Central, estos últimos, muy localmente (Sierra de La Paramera), presentan facies brechoidales eruptivas que podrían explicarse como fenómenos d[...]texto impreso
The rocks at Tenzuela represent the only known outcrop of HP metabasites in the internal sectors of the Iberian Belt, in the vast Central Iberian Zone (CIZ). These rocks appear as lenses of meta-tholeiites of continental affinity intruded within[...]texto impreso
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Relics of HP-MT eclogitic assemblages related to the first metamorphic stage of the Hercynian orogeny in the Sierra de Guadarrama (Spanish Central System, SCS) are preserved as boudins of pre-Ordovician metabasites enclosed by felsic gneisses. T[...]texto impreso
Orejana García, David ; Villaseca González, Carlos ; Merino Martínez, Enrique | Sociedad Geológica de España. | 2016Nuevos datos geoquímicos (elementos mayores, traza e isótopos) y geocronológicos obtenidos en metabasitas intrusivas en las series metasedimentarias y metaígneas pre-Arenigienses del Sistema Central Español confirman la heterogeneidad composicio[...]texto impreso
El macizo de metagranitos de La Cebollera se distingue claramente de los ortogneises glandulares adyacentes de Somosierra (Sistema Central Español) por su carácter masivo, presencia de feldespatos rapakivi y aspecto fuertemente contaminado con a[...]texto impreso
Orejana García, David ; Merino Martínez, Enrique ; Villaseca González, Carlos ; Pérez-Soba Aguilar, Cecilia ; Cuesta, Andrés | John Wiley & Sons, Ltd | 2012U–Th–Pb monazite dating by electron microprobe has been applied to three peraluminous granitic intrusions of the western Montes de Toledo batholith (MTB). Back scattered electron images of monazite crystals reveal a variety of internal textures:[...]texto impreso
Villaseca González, Carlos ; Orejana García, David ; Pin, C. ; López García, José Ángel ; Andonaegui Moreno, Pilar ; Encinas Caudebat, Luis | Sociedad Geológica de España | 2002Basic magmatism in Central Spain occur sporadically during a long period of ca. 140 Ma. The scarce data set of incompatible trace element geochemistry and initial isotopic ratios (Sr, Nd) on mantle-derived basic magmatism shaw that subcontinenta[...]texto impreso
Villaseca González, Carlos ; Orejana García, David ; Pérez-Soba Aguilar, Cecilia ; Reyes Andrés, Jesús | Sociedad Geológica de España | 2005Heat production of outcropping metamorphic and granitic rocks from the Spanish Central System (SCS) is similar to other surface heat production estimates in Paleozoic provinces (average A value 2.64 mWm-3). However, heat flow range in the SCS is[...]texto impreso
Pérez-Soba Aguilar, Cecilia ; Villaseca González, Carlos ; Rivas Ponce, Antonio | Sociedad Geológica de España | 2002Direct evidences or magmatic convective flow in granitic pluton are scarce. The possible complex history of magma cooling in pluton can delele partially or completely this registration. We describe a complex elliptical structure in a porphyritic[...]texto impreso
Villaseca González, Carlos ; López García, José Ángel ; Barbero González, Luis C. | Sociedad Geológica de España | 2005Combined lead, sulphur and oxygen isotopes have been analysed in ore (galena and sphalerite) and associated (quartz, barite) minerals from the Mazarambroz Pb-Zn mineralization. Lead isotopic model ages in galenas cluster around 121 ± 8 Ma in goo[...]texto impreso
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Villaseca González, Carlos ; Pérez-Soba Aguilar, Cecilia ; González del Tánago, José | Sociedad Geológica de España. | 20041- and 5-type granites from the Sierra de Guadarrama (Spanish Central System) display contrasting evolutionary patterns for Th, Y and REE. This chemical contrast is controlled by the behaviour of accessory phases. In felsic I-type granites the l[...]texto impreso
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Arenas Martín, Ricardo ; Fúster Casas, José María ; González Lodeiro, F. ; Macaya, J. ; Martín Parra, L.M. ; Martínez Catalán, J.R. ; Villaseca González, Carlos | Sociedad Geológica de España | 1991La región de Segovia representa uno de los sectores más profundos de la Sierra de Guadarrama, donde el metamorfismo regional hercínico alcanza la mayor intensidad. La evolución tectonometamórfica de este sector coincide con la que se encuentra e[...]texto impreso
Villaseca González, Carlos ; Pérez-Soba Aguilar, Cecilia | Seminario de Estudos Galegos. Area de Xeoloxía e Minería ; Instituto Universitario de Xeoloxía "Isidro Parga Pondal" | 1989Se describen dos casos particulares de granitos decuarcificados y alcalinizados a favor de planos de fractura, Los afloramientos son pequeños lentejones (menos de 5 m de potencia) de escasa continuidad longitudinal (menos de 200 m) y tránsitos c[...]texto impreso
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In the Hercynian Anatectic Complex of Toledo (ACT) the anatectic granitoids include leucogranitic leucosomes, leucogranitic massifs, and restite-rich granites. They show a broad range of initial Sr and Nd isotope ratios from 0.71 I to 0.720 and [...]texto impreso
The Spanish Central System (SCS) contains several suites of Palaeozoic mafic igneous intrusions with contrasting geochemical affinity: Ordovician tholeiitic metabasites, Variscan calc-alkaline gabbros (Gb1) and microdiorites (Gb2), shoshonitic m[...]texto impreso
Orejana García, David ; Villaseca González, Carlos ; Paterson, Bruce A. | E. Schweizerbart'sche Verlagsbuchhandlung | 2007The Permian alkaline lamprophyres from the Spanish Central System (SCS) are highly porphyritic rocks which carry a heterogeneous population of clinopyroxene and kaersutite zoned phernocrysts. Clinopyroxene phenocrysts may show 1) normal zoning ([...]texto impreso
Orejana García, David ; Villaseca González, Carlos ; Paterson, Bruce A. | Elsevier Science B.V., Amsterdam | 2006The alkaline lamprophyres and diabases of the Spanish Central System carry a heterogeneous suite of xenoliths which includes scarce pyroxenitic and hornblenditic types that can be divided in two groups: (a) pyroxenite xenoliths, including spinel[...]texto impreso
Chicharro Álvarez, Eva ; López García, José Ángel ; Villaseca González, Carlos ; Oyarzun, Roberto ; Rivas Dorado, Samuel ; Boixereu Vila, Ester | GEMM: Grupo de Estudios en Minería & Medioambiente | 2014Uno de los elementos más singulares del Sur de la provincia de Cáceres lo constituye sin ninguna duda el relieve del Cerro de San Cristóbal (Logrosán). Este cerro de pequeñas dimensiones (1,5 x 2,5 km) reúne muchas características notables desde[...]texto impreso
Villaseca González, Carlos ; Pérez-Soba Aguilar, Cecilia ; Orejana García, David ; Merino Martínez, Enrique ; Pérez-Monserrat, Elena Mercedes | Ilustre Colegio Oficial de Geólogos | 2013El pasado 11 y 12 de mayo se celebró el Geolodía 2013 con diferentes actividades, normalmente excursiones abiertas a todo tipo de público, para impulsar la divulgación de la geología, dar a conocer el variado patrimonio geológico y concienciar a[...]texto impreso
Chicharro Álvarez, Eva ; Martín Crespo, Tomás ; Gómez Ortiz, David ; López García, José Ángel ; Oyarzun Muñoz, Roberto ; Villaseca González, Carlos | Elsevier Science B.V., Amsterdam | 2015-03Abstract Sn–(W) granite-hosted ore deposits are characterized by the occurrence of pegmatites, stockworks and quartz veins within a granitic cupola and its surrounding host-rocks. A regional exploration tool for these deposits consists of target[...]texto impreso
Chicharro Álvarez, Eva ; López García, José Ángel ; Villaseca González, Carlos | Sociedad Geológica de España. | 2012La cúpula granítica de Logrosán (Cáceres, España) presenta unas características petrográficas y geoquímicas que permiten definirla como un granito estannífero con un alto grado de especialización. Este stock granítico se clasifica como un granit[...]texto impreso
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The alkaline lamprophyres and diabases from the Spanish Central System carry a heterogeneous suite of xenoliths including a group of highly altered ultramafic pyroxenites that contain Cr–Mg-rich high-T hydrous minerals (Ti-phlogopite and pargasi[...]texto impreso
Vindel Catena, Elena ; Chicharro Álvarez, Eva ; Villaseca González, Carlos ; López García, Miguel Ángel ; Sánchez Pérez-Cejuela, Virginia | Elsevier Science B.V., Amsterdam | 2014Hydrothermal quartz–apatite veins, called “Iberian-type”, occur exclusively in the southern Central Iberian Zone. This study presents a multidisciplinary approach leading to the mineralogical, fluid inclusions, and geochemical characterization o[...]texto impreso
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Ancochea Soto, Eumenio ; Casquet, César ; Huertas Coronel, María José ; Villaseca González, Carlos | Sociedad Geológica de España | 2002-11During fifty five years professor José María Fúster Casas (7923-2000) works in (Central) Complutense University of Madrid in Igneous and Metamorphic Petrology. He collaborates actively in introducing new petrological techniques as optical micros[...]texto impreso
This study describes rare albitites associated with highly fractionated I-type granitic melts, showing a mineral paragenesis that resembles those of high-temperature metasomatized rocks (fenites) associated with alkaline and carbonatitic intrusi[...]texto impreso
Barbero González, Luis C. ; Glasmacher, U. A. ; Villaseca González, Carlos ; López García, José Ángel ; Martín Romera, Cristina | Springer Science Business Media | 2005Abstract In the Montes de Toledo area, located in the axial part of the Central Hercynian zone, a long-term thermo-tectonic evolution can be deduced from apatite fission-track (AFT) data in conjunction with tight geological constraints derived f[...]texto impreso
The alkaline monzo-syenitic porphyries from the Spanish Central System (SCS) show a heterogeneous composition ranging from basic to acid terms which give rise to major and trace element compositional trends in accordance with fractional crystall[...]