Navegação Ciências Exatas e da Terra por Autor "Hartmann, Léo Afraneo"
Resultados 1-3 de 3
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Aeromagnetometry and aerogammaspectrometry integrated with U-Pb zircon geochronology of northern Bossoroca ophiolite, Brasiliano Orogen
Hartmann, Léo Afraneo; Massuda, Amanda Juliano; Cerva-Alves, Tiara; Lana, Cristiano de Carvalho; Leandro, Carolina Gonçalves; Savian, Jairo Francisco (2021) [Artigo de periódico]Age delimitation integrated with aeromagnetometric and aerogammaspectrometric survey advances the understanding of ophiolite evolution in the Brasiliano Orogen. We focused on the Bossoroca ophiolite, because oceanic crustal ... -
Mineralogical evolution of the northern Bossoroca ophiolite, São Gabriel terrane
Massuda, Amanda Juliano; Hartmann, Léo Afraneo; Queiroga, Gláucia Nascimento; Castro, Marco Paulo de; Leandro, Carolina Gonçalves; Savian, Jairo Francisco (2020) [Artigo de periódico]Mineralogical evolution of ophiolites is significant to understand paleo-oceanic crust and mantle requiring multi-proxy techniques to identify steps in the processes. We studied the Bossoroca ophiolite from the southern ... -
Oceanic crust and mantle evidence for the evolution of Tonian-Cryogenian ophiolites, southern Brasiliano Orogen
Werle, Mariana; Hartmann, Léo Afraneo; Queiroga, Gláucia Nascimento; Lana, Cristiano de Carvalho; Pertille, Juliana; Michelin, Cassiana Roberta Lizzoni; Remus, Marcus Vinicius Dorneles; Roberts, Malcolm Peter; Castro, Marco Paulo de; Leandro, Carolina Gonçalves; Savian, Jairo Francisco (2020) [Artigo de periódico]Unravelling the complexity of tonian-cryogenian (950–680 Ma) evolution of ophiolites requires the search for rare mineral systems and their quantification with varied techniques. Ophiolites in the Brasiliano Orogen are ...