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A 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 geotraverse across two paleo-subduction zones in Tien Shan, Tajikistan
ArticleAbstract: We present first LA-ICP-MS U–Pb zircon ages as well as geochemical and Sr–Nd–Pb isotope data for 14Palabras claves:Carboniferous subduction-collision, Sr–Nd–Pb isotopes, Tajikistan, Tectonic model, Tien Shan (Tianshan), Zircon agesAutores:Fidaev D., Jeffries T., Konopelko D., Mamadjanov Y., Niyozov A., Romer R.L., Seltmann R., 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:scopusCold 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:scopusCOMPOSITION AND PROVENANCE ANALYSIS OF BEACH SANDS IN AN ALMOST ISOLATED SEDIMENTARY SYSTEM - A FIELD STUDY OF THE GALÁPAGOS ARCHIPELAGO
ArticleAbstract: The Galápagos Archipelago is the surface expression of an active hotspot or long-lived mantle plume.Palabras claves:Beach sands, Digital image analysis, GALAPAGOS, Provenance, Raman spectroscopyAutores:Alfred Kron̈er, Buelow Y., Inderwies G., Seelos K., Theofilos Toulkeridis, Yamirka Rojas-AgramonteFuentes:googlescopusAge, Nd-Hf isotopes, and geochemistry of the Vijayan Complex of eastern and southern Sri Lanka: A Grenville-age magmatic arc of unknown derivation
ArticleAbstract: The ca. 1.0-1.1 Ga Vijayan Complex (VC) of eastern and southeastern Sri Lanka is one of three high-gPalabras claves:Grenville, Nd-Hf isotopes, Sri Lanka, Vijayan, zircon ageAutores:Alfred Kron̈er, Barth M., Geng H.Y., Hegner E., Kehelpannala K.V.W., Wong J., Yamirka Rojas-Agramonte, Zack T.Fuentes:scopusAggregate properties affecting adhesive quality in asphalt mixtures
Conference ObjectAbstract: Asphalt-aggregate adhesion is a complex phenomenon influenced by properties from both materials. ThiPalabras claves:Autores:Cala A., Caro S., Yamirka Rojas-AgramonteFuentes:scopus