Browsing by Author "Calderón, Mauricio"
Now showing items 1-6 of 6
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Calderón, Mauricio; Hervé Allamand, Francisco; Cordani, Umberto; Massonne, Hans-Joachim (2007)A Late Jurassic seafloor remnant of the Rocas Verdes basin in southern Chile, the Sarmiento Complex (ca. 52 degrees S), bears lithological layers with bimodal meta-igneous rocks appropriate for a comprehensive investigation ...
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Quezada, Paulo; Herve Allamand, Francisco Enrique; Calderón, Mauricio; Fanning, Mark; Pankhurst, Robert; Godoy, Estanislao; Urbina, Octavio; Suárez, Rodrigo (Servicio Nacional de Geología y Minería, Chile, 2021)Previously undated low-grade metamorphic rocks from the Puerto Cisnes-Queulat area (44 degrees 30' S) contain detrital zircons of mid-Oligocene age (ca. 28 Ma). Their outcrops represent the easternmost occurrence of the ...
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Massonne, Hans-Joachim; Calderón, Mauricio (SERVICIO NACIONAL GEOLOGIA MINERVA, 2008-07)In the Guarguaraz Complex of the Argentine Frontal Cordillera (latitude 33.3°S) serpentinite lenses, metabasites, and garnet-bearing metasedimentary rocks occur. The corresponding Devonian metamorphic event was assigned ...
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Pankhurst, Robert J.; Hervé Allamand, Francisco; Fanning, C. Mark; Calderón, Mauricio; Niemeyer, Hans; Griem Klee, Susanne; Soto, Fernanda (Elsevier, 2016)Supposed pre-Mesozoic igneous and metamorphic rocks from northern Chile are reviewed in the light of twenty-one new SHRIMP U-Pb zircon age determinations. Metamorphic rocks from the precordillera upthrust belt mostly show ...
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Fosdick, Julie C.; Grove, Marty; Hourigan, JeremyK.; Calderón, Mauricio (Elsevier, 2013)The southern Patagonian Andes constitute the narrow, high-latitude end of the Andean orogen belt in South America, where inherited basin paleogeography, subduction processes, retroarc crustal thickening, and late Cenozoic ...
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Deckart, Katja; Hervé Allamand, Francisco; Fanning, Mark; Ramírez, Valeria; Calderón, Mauricio; Godoy, Estanislao (2014)The Coastal Batholith of south-central Chile between latitudes 33° and 40°S is composed of calc-alkaline granitoids emplaced in a relatively restricted time period. New SHRIMP U-Pb zircon ages on eight quartzdioritic to ...