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Article(5)
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Two types of slab components under Ecuadorian volcanoes supported by primitive olivine-hosted melt inclusion study
ArticleAbstract: The origin of several geochemical parameters in continental arc lavas (e.g., La/Yb, Ba/Th) is controPalabras claves:Andes, Mantle metasomatism, Northern Volcanic Zone, Primitive magma, subduction zone, Trace elementAutores:Diego F. Narváez, Koga K.T., Pablo Samaniego Ponce, Ratzov G., Rose-Koga E.F., Silvana HidalgoFuentes:googlescopusMesozoic magmatism in the Andes of southern Ecuador and northern Peru: Tectonic insights from whole-rock chemistry and zircon petrochronology
ArticleAbstract: The southern Ecuador–northern Peru region marks the transition between the northern and central AndePalabras claves:Hf–O isotopes, Northern andes, Subduction magmatism, Zircon petrochronologyAutores:J. Iglesias, John Jairo Sandoval Espinel, Leidy Carolina Sandoval Espinel, M. Zattin, Mauricio Bermudez, O. Bruguier, Pablo Samaniego Ponce, Poujol M., Witt C.Fuentes:scopusA geochemical investigation of the Sara Sara volcano (Peru): a Pleistocene edifice of the northern termination of the Andean Central Volcanic Zone
ArticleAbstract: In order to understand the contribution of the continental crust on arc magmas, we proceeded with aPalabras claves:Arc magmas termination, Central Volcanic Zone, Garnet-rutile signature, High Nb/Ta, Perú, Sara Sara volcanoAutores:Gannoun A., K. Cueva, K. Suchorski, Nauret F., Pablo Samaniego Ponce, Rivera M., T. ChaptalFuentes:scopusPetrological and geochemical constraints on the magmatic evolution at the Ampato-Sabancaya compound volcano (Peru)
ArticleAbstract: In order to gain insights into continental arc magmatic processes, we have conducted a petrologicalPalabras claves:Ampato, arc magmatism, Assimilation-fractional crystallization, Central andes, geochemistry, Magma mixing, Magmatic evolution, SabancayaAutores:Liorzou C., Mariño J., Nauret F., Pablo Samaniego Ponce, Rivera M.Fuentes:scopusRole of crustal and slab components in the Northern Volcanic Zone of the Andes (Ecuador) constrained by Sr-Nd-O isotopes
ArticleAbstract: A combined approach based on trace elements, radiogenic (Sr-Nd) and stable (O) isotopes allows us toPalabras claves:Adakite, Andesite, Crustal assimilation, ECUADOR, oxygen isotopesAutores:Bourdon E., Gerbe M.C., Martin H., Pablo Samaniego Ponce, Silvana HidalgoFuentes:googlescopus