Mostrando 10 resultados de: 26
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Lithos(5)
American Journal of Science(4)
International Geology Review(4)
Contributions to Mineralogy and Petrology(2)
Geochemistry, Geophysics, Geosystems(2)
Cold plumes trigger contamination of oceanic mantle wedges with continental crust-derived sediments: Evidence from chromitite zircon grains of eastern Cuban ophiolites
ArticleAbstract: The origin of zircon grains, and other exotic minerals of typical crustal origin, in mantle-hosted oPalabras claves:Chromitites, Cold plumes, Cuba, Ophiolites, U-Pb geochronology, zirconAutores:Aiglsperger T., Belousova E.A., García-Gasco A., Gervilla F., González-Jiménez J.M., Griffin W.L., Jacob D.E., Navarro-Ciurana D., O'Reilly S.Y., Proenza J.A., Pujol-Solà N., Talavera C., Yamirka Rojas-AgramonteFuentes:scopusBarium-rich fluids and melts in a subduction environment (La Corea and Sierra del Convento mélanges, eastern Cuba)
ArticleAbstract: Whole-rock compositions of muscovite-bearing amphibolite, trondhjemite, pegmatite and quartz-muscoviPalabras claves:Ba-rich fluid, Caribbean plate, eastern Cuba, Phengite, subduction channel, TrondhjemiteAutores:Blanco-Quintero I.F., García-Gasco A., Lázaro C., Proenza J.A., Yamirka Rojas-AgramonteFuentes:scopusAncient xenocrystic zircon in young volcanic rocks of the southern Lesser Antilles island arc
ArticleAbstract: The Lesser Antilles arc is one of the best global examples in which to examine the effects of the inPalabras claves:230 Th disequilibrium, Carriacou-Petite Martinique, Crustal assimilation, Grenada, Lesser Antilles, Zircon xenocrystAutores:Alfred Kron̈er, Arculus R., Buhre S., Echeverría C.M., García-Gasco A., Geng H., Jeffries T., Lázaro C., Mertz-Kraus R., Williams I.S., Wong J., Xie H., Yamirka Rojas-AgramonteFuentes:scopusA HIGHLY DYNAMIC HOT HYDROTHERMAL SYSTEM IN THE SUBDUCTION ENVIRONMENT: GEOCHEMISTRY AND GEOCHRONOLOGY OF JADEITITE AND ASSOCIATED ROCKS OF THE SIERRA DEL CONVENTO MÉLANGE (EASTERN CUBA)
ArticleAbstract: A U-Pb zircon date of ~113 Ma revealed that a variety of jadeitites and related omphacitite, chloritPalabras claves:fluid-rock interaction, Jadeitite, metasomatic transformation, Serpentinite mélange, SubductionAutores:Blanco-Quintero I.F., Cambra K.N., Cárdenas-Párraga J., García-Gasco A., Harlow G.E., Yamirka Rojas-AgramonteFuentes:scopusA Late Cretaceous Adakitic intrusion from Northern Haiti: additional evidence for slab melting and implications for migration of ridge-trench-trench triple junction during the Cretaceous in the Greater Antilles
ArticleAbstract: We present a new U-Pb zircon age and geochemical data from an intermediate calc-alkaline pluton withPalabras claves:Adakite, geochronology, HAITÍ, Hispaniola, ridge subductionAutores:de Lepinay, B M., García-Gasco A., Hu H.Y., Iturralde-Vinent M., Lewis J., Yamirka Rojas-AgramonteFuentes:scopusA new jadeitite jade locality (Sierra del Convento, Cuba): First report and some petrological and archeological implications
ArticleAbstract: A new jadeitite jade locality has been discovered in the serpentinite-matrix subduction mélange of tPalabras claves:Caribbean, eastern Cuba, Fluids, High pressure, Jadeitite jade, SubductionAutores:Alfred Kron̈er, Blanco-Quintero I.F., Cárdenas-Párraga J., Carrasquilla S., García-Gasco A., Iturralde-Vinent M., Lázaro C., Millán G., Núñez-Cambra K., Rodríguez Vega A., Torres-Roldán R.L., Yamirka Rojas-AgramonteFuentes:scopusDetrital zircon geochronology of Jurassic sandstones of western Cuba (San Cayetano Formation): Implications for the Jurassic paleogeography of the NW Proto-Caribbean
ArticleAbstract: Clastic sediments of the early (?) to late Jurassic (Oxfordian) San Cayetano Formation of western CuPalabras claves:Autores:Alfred Kron̈er, Garcia-Delgado D.E., García-Gasco A., Liu D.Y., Pindell J., Wang Y., Yamirka Rojas-AgramonteFuentes:scopusDid the Turonian-Coniacian plume pulse trigger subduction initiation in the Northern Caribbean? Constraints from <sup>40</sup>Ar/<sup>39</sup>Ar dating of the Moa-Baracoa metamorphic sole (eastern Cuba)
ArticleAbstract: The Güira de Jauco metamorphic sole, below the Moa-Baracoa ophiolite (eastern Cuba), contains strongPalabras claves:Ar/Ar, Caribbean-Colombian Oceanic Plateau, Cuba, metamorphic sole, OphioliteAutores:Blanco-Quintero I.F., Corsini M., García-Gasco A., Lázaro C., Proenza J.A., Yamirka Rojas-AgramonteFuentes:scopusCryptic alkaline magmatism in the oceanic Caribbean arc (Camagüey area, Cuba)
ArticleAbstract: Mid and Late Cretaceous arc-related basaltic rocks in the Camagüey area, East Central Cuba, record aPalabras claves:Caribbean island-arc, Cryptic hybridization, Island-arc magmas, phlogopiteAutores:Butjosa L., Cambeses A., García-Gasco A., Iturralde-Vinent M., Lázaro C., Piñero E., Proenza J.A., Torró L., Yamirka Rojas-AgramonteFuentes:scopusFifty-five-million-year history of oceanic subduction and exhumation at the northern edge of the Caribbean plate (Sierra del Convento mélange, Cuba)
ArticleAbstract: Petrological and geochronological data of six representative samples of exotic blocks of amphibolitePalabras claves:Ar/Ar dating, Caribbean subduction, Cooling/exhumation rates, P-T-t paths, SHRIMP datingAutores:Alfred Kron̈er, García-Gasco A., Iturralde-Vinent M., Lázaro C., Neubauer F., Yamirka Rojas-AgramonteFuentes:scopus