Search Results - "Duffles, Patricia"
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U–Pb age of detrital zircon from the Embu sequence, Ribeira belt, Se Brazil
Published in Precambrian research (01-06-2016)“…The Embu Complex crops out in the southeastern part of São Paulo state in Brazil and consists mainly of Neoproterozoic metasedimentary rocks belonging to the…”
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A new interpretation for the interference zone between the southern Brasília belt and the central Ribeira belt, SE Brazil
Published in Journal of South American earth sciences (01-12-2013)“…In southeastern Brazil, the Neoproterozoic NNW–SSE trending southern Brasília belt is apparently truncated by the ENE–WSW central Ribeira belt. Different…”
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Constraining crystallization conditions during the Cambro-Ordovician post-collisional magmatism at Araçuaí belt (SE Brazil): Zircon as key petrologic witness
Published in Journal of South American earth sciences (01-06-2021)“…During the Neoproterozoic West-Gondwana assembly, the Araçuaí belt together with its African counterpart, the West Congo belt, formed a confined orogenic…”
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Investigating assembly timing of Ediacaran Serra dos Órgãos batholith – Hints on prolonged magmatism at Ribeira belt, SE Brazil
Published in Journal of South American earth sciences (01-12-2022)“…The Pan-African/Brasiliano orogeny, result of the West-Gondwana assembly from the Neoproterozoic to Ordovician, had produced the Ribeira and Araçuaí belts at…”
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New evidence of a magmatic arc in the southern Brasília Belt, Brazil: The Serra da Água Limpa batholith (Socorro-Guaxupé Nappe)
Published in Journal of South American earth sciences (01-10-2014)“…This paper presents a detailed description of the Neoproterozoic Serra da Água Limpa batholith (SALB) and the interpretation of its genesis. The batholith,…”
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Upper plate exhumation during continental collision: An example from the paranapanema paleocontinental active margin, SE Brazil
Published in Journal of South American earth sciences (01-04-2023)“…The Southern Brasília Orogen is the result of Ediacaran continental collision between the active margin of the Paranapanema paleocontinent and the passive…”
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U-PB LA-ICP-MS and geochemical data of the Alto Chapéu Pluton: Contributions on bimodal post-collisional magmatism in the Araçuaí belt (SE Brazil)
Published in Journal of South American earth sciences (01-11-2020)“…Bimodal inversely zoned plutons were emplaced at the late stages in the Araçuaí Belt, composing a tectonic corridor following the Atlantic coast of Brazil…”
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Superposition of structures in the interference zone between the southern Brasília belt and the central Ribeira belt in the region SW of Itajubá (MG), SE Brazil
Published in Brazilian journal of geology (01-12-2016)“…The study area is localized in the Socorro nappe, part of the southern Brasília belt, with a minor part in the Embu terrane, part of the central Ribeira belt…”
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Structural analysis combined with new geothermobarometric and geochronological results of the Além Paraíba shear zone, between Três Rios and Bananal, Ribeira Orogen, SE Brazil
Published in Journal of South American earth sciences (01-03-2019)“…The Além Paraíba Shear Zone (APSZ) is composed of subvertical mylonites trending ENE/WSW with subhorizontal stretching lineation indicative of dextral…”
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