Browsing by Author "49ab8afb-4979-4cdf-8c75-cbe6ee5a58b1"

Now showing items 1-6 of 6

    • Constraining the sub-arc, parental magma composition for the giant Altiplano-Puna Volcanic Complex, northern Chile 
      González Maurel, Osvaldo; Deegan, Frances M.; Le Roux, Petrus; Harris, Chris; Troll, Valentín R.; Godoy, Benigno (Nature, 2020)
      The Andean continental arc is built upon the thickest crust on Earth, whose eruption products reflect varying degrees of crustal assimilation. In order to robustly model magma evolution and assimilation at subduction zones ...
    • Eruptive history of La Poruna scoria cone, Central Andes, Northern Chile 
      Marín, Carolina; Rodríguez, Inés; Godoy, Benigno; González Maurel, Osvaldo; Le Roux, Petrus; Medina, Eduardo; Bertin, Daniel (Springer, 2020)
      New stratigraphic, lithological and petrographic analyses of La Poruna scoria cone (21 degrees 53 ' S-68 degrees 30 ' W, Central Andes, northern Chile) allow the reconstruction of the eruptive sequence of this monogenetic ...
    • Geological evolution of Paniri volcano, central Andes, Northern Chile 
      Godoy, Benigno; Lazcano, José; Rodríguez, Inés; Martínez, Paula; Parada, Miguel A.; Le Roux, Petrus; Wilke, Hans-Gerhard; Polanco, Edmundo (Elsevier, 2018-07)
      Paniri volcano, in northern Chile, belongs to a volcanic chain trending across the main orientation of the Central Andean volcanic province. Field work mapping, stratigraphic sequences, and one new Ar-40/Ar-39 and eleven ...
    • Magmatic differentiation at La Poruña scoria cone, Central Andes, northern Chile: Evidence for assimilation ... 
      González Maurel, Osvaldo; Godoy, Benigno; Le Roux, Petrus; Rodríguez, Inés; Marín, Carolina; Menzies, Andrew; Bertin, Daniel; Morata Céspedes, Diego; Vargas, Marina (Elsevier B.V., 2019)
      La Poruña (21°53′S; 68°30′W) is a 140 m high scoria cone composed of pyroclastic material and an extensive basaltic-andesite to andesite lava flow that is up to 8 km in length. Automated mineralogical analysis describes a ...
    • Sr and Nd isotope variations along the Pleistocene San Pedro - linzor volcanic chain, N. Chile: tracking ... 
      Godoy, Benigno; Worner, Gerhard; Le Roux, Petrus; Silva, Shanaka de; Parada Reyes, Miguel; Kojima, Shoji; González Maurel, Osvaldo; Morata Céspedes, Diego; Polanco, Edmundo; Martínez, Paula (Elsevier, 2017)
      Subduction-related magmas that erupted in the Central Andes during the past 10 Ma are strongly affected by crustal assimilation as revealed by an increase in Sr-87/Sr-86 isotope ratios with time that in turn are correlated ...
    • The upper crustal magma plumbing system of the Pleistocene Apacheta-Aguilucho Volcanic Complex area ... 
      Taussi, Marco; Godoy, Benigno; Piscaglia, Filippo; Morata Céspedes, Diego; Agostini, Samuele; Le Roux, Petrus; González Maurel, Osvaldo; Gallmeyer, Guillermo; Menzies, Andrew; Renzulli, Alberto (Elsevier B.V., 2019)
      The evolution of the magma plumbing system of the Pleistocene Apacheta-Aguilucho Volcanic Complex area (Altiplano-Puna Volcanic Complex, northern Chile) was investigated through petrographic, geochemical and isotopic studies ...