Browsing by Author "González Jiménez, José"
Now showing items 1-18 of 18
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(Elsevier, 2017)This paper reviews the occurrence of platinum-group elements nanoparticles (PGE-NPs) in mantle-hosted chromite deposits, showing that PGE-NPs are more frequently found in these deposits than previously thought. A comparison ...
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(Universidad de Chile, 2016)El presente trabajo tiene como objeto definir patrones de distribución de metales nobles en rocas ultramáficas del centro-sur de Chile con diferentes estilos y grados de serpentinización. Las rocas objeto de este estudio ...
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(Geological Society of America, 2015)We suggest a new explanation for the presence of crustally derived zircons in the upper-mantle rocks of ophiolitic complexes, as an alternative to subduction-related models. Integrated isotopic (U-Pb, Hf, and O isotopes) ...
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(Universidad de Chile, 2016)Se seleccionaron los conos monogenéticos de La Barda y Caburga y los estratovolcanes de Callaqui y Copahue para estudiar olivinos deformados en lavas de estos volcanes pertenecientes a la Zona Volcánica Sur. Se determinó ...
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(Elsevier, 2014)subjected to high-pressure metamorphism defines a metamorphic signature. A two-stage process associated with the infiltration of fluids during retrogrademetamorphismfromeclogite- to amphibolite-facies has produced four ...
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(Elsevier, 2015)Chemical signatures of chromitites are commonly used to track the evolution of the Earth's mantle. However, chemical modification during deformation may have important implications for the interpretation of chromites' ...
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(Universidad de Chile, 2016)Los suelos lateríticos son una de las fuetes de metales críticos (EGP y Au) y otros metales de interés económico como el Fe, Ni o Cr. En el caso de Chile, la existencia de estos suelos se ha reportado en la Cordillera de ...
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(Universidad de Chile, 2015)Los numerosos afloramientos de rocas ultramáficas serpentinizadas presentes en el prisma de acreción Carbonífero son un rasgo distintivo de la Serie Occidental de la Cordillera de la Costa del centro-sur de Chile. En ...
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(2015)En el presente trabajo se realiza un análisis mineralógico y geoquímico de tres afloramientos de serpentinitas pertenecientes a la Serie Occidental del centro-sur de Chile, específicamente en el sector de Voipire, ubicado ...
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(Universidad de Chile, 2015)El yacimiento Relincho, ubicado en la Región de Atacama, Chile, corresponde a un depósito tipo Pórfido Cu-Mo de edad Paleoceno-Eoceno inferior. El siguiente trabajo se enfoca principalmente en la caracterización geoquímica ...
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(Ofioliti, 2015)Podiform bodies of high-Cr chromitite in the Cheshmeh-Bid chromitite deposit are located at the mantle-lower crust transition zone (MTZ) of the Late Cretaceous Khajeh-Jamali ophiolitic massifs, Iran. The unaltered core ...
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(MINERALOGICAL SOC AMER., 2016)
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(Universidad de Chile, 2016)Este trabajo presenta nuevos antecedentes químicos y mineralógicos de rocas máficas y ultramáficas metamorfizadas que pertenecen a la Serie Occidental del centro-sur de Chile entre los 39º y 40ºS. Estos estudios se realizaron ...
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(Elsevier B.V., 2018)Weathering of ultramafic rocks can lead to the formation of soil profiles with high contents of Fe, Ni, Co, platinum-group elements (PGE) and gold. Traditionally, these metal-rich soils are known as “laterites” and are ...
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(Elsevier, 2015)Mineralogical studies of the heavy fraction from a Holocene pyrope-rich garnet placer deposit at Vestřev (Krkonoše Piedmont Basin, Bohemian Massif) have identified the presence of very rare grains of platinum group ...
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(Springer, 2015)The Loma Baya complex in south-western Mexico is a volume of chromitite-bearing oceanic mantle that records a complex metamorphic history, defined by a first stage of hydrous metamorphism overprinted by a short-lived thermal ...
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(Geological Soc Amer, 2015)
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(Springer, 2015)The 3.1 Ga Nuggihalli greenstone belt in the Western Dharwar craton is comprised of chromitite-bearing sill-like ultramafic-mafic rocks that are surrounded by metavolcanic schists (compositionally komatiitic to komatiitic ...
