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Fernández López, Sixto Rafael ; Carlotto, Victor ; Giraldo, Edwing ; Chacaltana, César | Elsevier Science B.V., Amsterdam. | 2014Deposits of the Socosani Formation in the Pucayacu and Pumani sections (Ayacucho Department, Peru), along several kilometres, have yielded Upper Bajocian ammonoid fossil-assemblages characterized by the occurrence of juvenile individuals belongi[...]texto impreso
Pérez Santisteban , Itziar ; García Mayordomo, Julián ; Muñoz Martín, Alfonso ; Carbó Gorosabel, Andrés | Elsevier Science B.V., Amsterdam. | 2011-01Results obtained by SASW and PS-logging (in-hole) seismic techniques are compared with the relatively new ReMi (Refraction microtremor) method at a common site with a well-known soil profile: a recently constructed high-speed railway embankment.[...]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
Dabrio, Cristino J. ; Zazo Cardeña , Caridad ; Goy Goy, José Luis ; Sierro, Francisco Javier ; Borja, Francisco ; Lario, Javier ; González Delgado, José Ángel ; Flores Villarejo, José Abel | Elsevier Science B.V., Amsterdam. | 2000The Late Pleistocene and Holocene evolution of the estuaries in the Gulf of Cadiz is interpreted for the first time using drill cores, logs, trenches, and 38 new radiocarbon data, and the results compared with the shelf. The Odiel, Tinto and Gua[...]texto impreso
Piña García, Rubén ; Gervilla, Fernando ; Barnes, Sarah-Jane ; Ortega Menor, Lorena ; Lunar Hernández, Rosario | Elsevier Science B.V., Amsterdam. | 2012The concentrations of platinum-group elements (PGE) and chalcophile elements Ni, Co, Au, Ag, Se, Re, Cd, Bi, Te and As have been determined by laser ablation-inductively coupled plasma-mass spectrometry (LA-ICPMS) in base metal sulfide minerals [...]texto impreso
Pina Martínez, Carlos Manuel ; Pimentel Guerra, Carlos ; Crespo López, Ángel | Elsevier Science B.V., Amsterdam. | 2020-08-05Dolomite is a carbonate mineral frequently found in sedimentary rocks from Proterozoic to Holocene. In the Iberian Peninsula, dolomites appear in a wide number of geological formations and they can be considered as representative of dolomites cr[...]texto impreso
Canales Fernández, María Luisa ; Henriques, María Helena Paiva | Elsevier Science B.V., Amsterdam. | 2008The detailed study of benthic foraminifera in 28 samples from Late Toarcian–Aalenian–Early Bajocian hemipelagic sediments of the Murtinheira section (Cabo Mondego, Lusitanian Basin, West Portugal), has permitted the recognition of the assemblage[...]texto impreso
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Merinero Palomares, Raúl ; Lunar Hernández, Rosario ; Martínez Frías, Jesús ; Somoza Losada, Luis ; Díaz del Río, Víctor | Elsevier Science B.V., Amsterdam. | 2008This paper aims to investigate the iron mineralization hosted in the submarine hydrocarbon seep-related carbonate chimneys, from the Gulf of Cadiz continental slope (SW Iberia). Chimneys are made of a general fine groundmass of major Fe-rich dol[...]texto impreso
Astilleros García-Monge, José Manuel ; Pina Martínez, Carlos Manuel ; Fernández-Díaz, Lourdes ; Putnis, Andrew | Elsevier Science B.V., Amsterdam. | 2003In situ atomic force microscopy (AFM) experiments, scanning electron microscopy (SEM) imaging and composition analysis, and X-ray diffraction have provided information about the growth, dissolution and transformation processes promoted by Sr2 + [...]texto impreso
Pinto, André Filipe Jorge ; Conçalves, Mário A. ; Praceres, Cátia ; Astilleros García-Monge, José Manuel ; Batista, Maria Joao | Elsevier Science B.V., Amsterdam. | 2012Uranyl phosphates are a mineral group which include a wide range of different species, each containing specific cations within the hydrated interlayer, and often display a geochemical/mineralogical relationship with Fe(III) oxy-hydroxides. The e[...]texto impreso
Astilleros García-Monge, José Manuel ; Pina Martínez, Carlos Manuel ; Fernández-Díaz, Lourdes ; Prieto Rubio, Manuel ; Putnis, Andrew | Elsevier Science B.V., Amsterdam. | 2006This work deals with the growth behaviour of calcite {101¯4} surfaces in contact with multicomponent aqueous solutions containing divalent cations (Ba2+, Sr2+, Mn2+, Cd2+, or Mg2+). The result is the formation of solid solutions, with calcite or[...]texto impreso
The Aramis Member (Sagantole formation) includes the Gàala Tuff Complex-Daam Aatu Basaltic Tuff interval which has produced a taxonomically diverse vertebrate assemblage including the primitive hominid Ardipithecus ramidus. New Eucyon remains re[...]texto impreso
Peritidal cyclic sedimentation from La Manga Formation (Oxfordian),Neuquén Basin, Mendoza, Argentina
Palma Durán, Ricardo ; Kietzmann, Diego A. ; Bressan, Graciela Susana ; Martín Chivelet, Javier ; López Gómez, José ; Farias, María E. ; Iglesias Llanos, María P. | Elsevier Science B.V., Amsterdam. | 2013The La Manga Formation consists of marine carbonates and represents most of the sedimentary record of the Callovian-Oxfordian in the Neuquén Basin. Three localities in the southern Mendoza province were studied and their cyclicity was determined[...]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
León Buendía, Ricardo Fco. ; Somoza Losada, Luis ; Giménez Moreno, Carmen Julia ; Dabrio, Cristino J. ; Ercilla, Gemma ; Praeg, Daniel ; Díaz del Río, Víctor ; Gómez Delgado, Montserrat | Elsevier Science B.V., Amsterdam. | 2009This paper presents a computational model for mapping the regional 3D distribution in which seafloor gas hydrates would be stable, that is carried out in a Geographical Information System (GIS) environment. The construction of the model is compr[...]texto impreso
Borruel Abadía, Violeta ; Fernández Barrenechea, José María ; Galán Abellán, Ana Belén ; Alonso Azcárate, Jacinto ; Horra del Barco,, Raúl, De la ; Luque del Villar, Francisco Javier ; López Gómez, José | Elsevier Science B.V., Amsterdam. | 2016-07In this paper, a method based on element mapping of randomly selected areas of thin sections on electron microprobe is proposed to quantify the relative contents of strontium-rich hydrated aluminium phosphate-sulphate (APS) minerals in silicicla[...]texto impreso
Gómez Fernández, Juan José ; Arias Fernández, María del Carmen | Elsevier Science B.V., Amsterdam. | 2010Here we present the results of the study of two Lower Toarcian carbonate sections located in the Iberian Range of central Spain. Analyses of stable isotope on belemnite calcite allowed calculation of seawater palaeotemperature variations, which [...]texto impreso
Domínguez Castro, Fernando ; Santisteban Navarro, Juan Ignacio ; Barriendos, Mariano ; Mediavilla López, Rosa María | Elsevier Science B.V., Amsterdam. | 2008Rogation (ceremonies to ask God for rain: pro-pluvia, or to stop raining: pro-serenitate) analysis is an effective method to derive information about climate extremes from documentary data. Weighted annual sum by levels has been a widespread tec[...]texto impreso
Sánchez Pastor, Nuria ; Pina Martínez, Carlos Manuel ; Fernández-Díaz, Lourdes | Elsevier Science B.V., Amsterdam. | 2006This paper deals with the relationship between habit and compositional changes in crystals of the BaxSr1xSO4 solid solution at 25 8C and 1 atm. Crystals corresponding to the whole range of compositions of the BaxSr1xSO4 solid solution have been [...]texto impreso
Villaseca González, Carlos ; Martín Romera, Cristina ; De la Rosa Díaz, Jesús Damián ; Barbero González, Luis C. | Elsevier Science B.V., Amsterdam. | 2003Accessory minerals are thought to play a key role in controlling the behaviour of certain trace elements such as REE, Y, Zr, Th and U during crustal melting processes under high-grade metamorphic conditions. Although this is probably the case at[...]texto impreso
Calvo Sorando, José Pedro ; Jones, B.F. ; Bustillo Revuelta, Manuel ; Fort González, Rafael ; Alonso-Zarza, Ana María ; Kendall, C. | Elsevier Science B.V., Amsterdam. | 1995Lacustrine and alluvial carbonate facies have been investigated in Middle Miocene successions of the western side of the Madrid Basin in order to evaluate paleoenvironments in which carbonates formed. Carbonate facies are varied and include: ( 1[...]texto impreso
Galindo Francisco, Mª del Carmen ; Tornos Arroyo, Fernando ; Darbishyre, D.P.F. ; Casquet, César | Elsevier Science B.V., Amsterdam. | 1994Fluorite and barite-rich veins ( + sulphides) of the Sierra del Guadarrama (Spanish Central System) are usually hosted by Hercynian granitoids. Zoned fluorites from one of these veins have a Sm-Nd age of 145 ± 18 Ma. This age is similar to the K[...]texto impreso
Casquet, César ; Fanning, C.M. ; Galindo Francisco, Mª del Carmen ; Pankhurst, R.J. ; Rapela, Carlos W. ; Torres , P. | Elsevier Science B.V., Amsterdam. | 2010The enigmatic Arequipa Massif of southwestern Peru is an outcrop of Andean basement that underwent Grenville-age metamorphism, and as such it is important for the better constraint of Laurentia–Amazonia ties in Rodinia reconstruction models. U–P[...]texto impreso
Fraguas Herráez, Ángela Raquel ; Comas Rengifo, María José ; Gómez Fernández, Juan José ; Goy, Antonio | Elsevier Science B.V., Amsterdam. | 2012Quantitative analysis of Late Pliensbachian–Early Toarcian calcareous nannofossil assemblages from the West Rodiles section (Asturias, Northern Spain) has been performed in order to interpret the paleoenvironmental changes that occurred during t[...]texto impreso
Pina Martínez, Carlos Manuel ; Enders, Michael ; Putnis, Andrew | Elsevier Science B.V., Amsterdam. | 2000In this paper we present a new approach to the problem of the crystallisation in solid solution–aqueous solution (SS–AS) systems, in which two main controlling factors have been considered: (i) the supersaturation state of the multicomponent sol[...]texto impreso
Pina Martínez, Carlos Manuel ; Putnis, Andrew ; Astilleros García-Monge, José Manuel | Elsevier Science B.V., Amsterdam. | 2004In this paper, we present a generalisation of the classical growth rate equations to the case of crystallisation in solid solution–aqueous solution (SS-AS) systems. In these new equations, basic growth parameters, interfacial free energy and sup[...]texto impreso
Fernández-Díaz, Lourdes ; Astilleros García-Monge, José Manuel ; Pina Martínez, Carlos Manuel | Elsevier Science B.V., Amsterdam. | 2006Calcite crystals were grown in the presence of small concentrations (50, 200, and 600 ppm) of divalent cations (Ba2+, Sr2+, Co2+ and Mn2+) in a silica hydrogel medium. The calcite crystals grown in the presence of cations larger than Ca2+ (Ba2+ [...]texto impreso
Astilleros García-Monge, José Manuel ; Fernández-Díaz, Lourdes ; Putnis, Andrew | Elsevier Science B.V., Amsterdam. | 2010The mechanisms that determine the inhibition of calcite growth by magnesium have remained unclear and subject to controversy over decades. Although it has been long apparent that the inhibition mechanisms take place at the crystal-solution inter[...]texto impreso
Dahlquist, Juan A. ; Pankhurst, R.J. ; Rapela, Carlos W. ; Casquet, César ; Fanning, C.M. ; Alasino, Pablo H. ; Baez, Miguel | Elsevier Science B.V., Amsterdam. | 2006New geochronological and geochemical data are reported for the San Blas Pluton (SBP), in the northwestern Sierra de Velasco, Sierras Pampeanas, which intrudes Ordovician granitoids developed during the Famatinian orogeny. A precise Carboniferous[...]texto impreso
Iannizzotto, Noelia F. ; Rapela, Carlos W. ; Baldo, Edgardo G. ; Galindo Francisco, Mª del Carmen ; Fanning, C.M. ; Pankhurst, R.J. | Elsevier Science B.V., Amsterdam. | 2013The Sierra Norte-Ambargasta batholith is one of the largest plutonic expressions of the Pampean orogeny in western Argentina. A thorough petrographic, geochemical, isotopic (Sr and Nd) and geochronological (UePb SHRIMP) study is reported. The ba[...]texto impreso
Rapela, Carlos W. ; Pankhurst, R.J. ; Casquet, César ; Baldo, Edgardo G. ; Galindo Francisco, Mª del Carmen ; Fanning, C.M. ; Dahlquist, Juan A. | Elsevier Science B.V., Amsterdam. | 2010New U–Pb SHRIMP zircon ages combined with geochemical and isotope investigation in the Sierra de Maz and Sierra de Pie de Palo and a xenolith of the Precordillera basement (Ullún), provides insight into the identification of major Grenville-age [...]
