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Petrografia, geoquímica, geologia isotópica e geocronologia dos diques máficos do sul do estado do Espírito Santo, Orógeno Araçuaí
(Universidade Federal de Minas GeraisUFMG, 2017-10-19)
In the Southeastern Brazilian Coast, mafic dyke swarms crosscut the Precambrian basement, emplaced in important regional NW-SE trending structures such as the Alegre and Piúma lineaments. For a long time, the majority of ...
Idade, proveniência e ambiente tectônico do Complexo Jequitinhonha de alto grau, Orógeno Araçuaí
(Sociedade Brasileira de Geologia, 2016-04)
O Complexo Jequitinhonha é uma unidade sedimentar extensa da porção nordeste do orógeno Araçuaí, metamorfizada na transição entre as fácies anfibolito-granulito há cerca de 580-540 Ma. A unidade é composta por paragnaisses ...
Caracterização do Complexo Pocrane, magmatismo básico mesoproterozóico e unidades neoproterozóicas do Sistema Araçuaí Ribeira, com ênfase em geocronologia U Pb (SHRIMP e LA ICP MS)
(Universidade Federal de Minas GeraisUFMG, 2013-02-28)
The study was conducted in the southern sector of the orogen Araçuaí and extreme north of Ribeira Orogen between parallels 19 ° and 21 ° 45'S, covering a region that is distributed by the states of Minas Gerais, Rio de ...
A geologia do Maciço Santa Angélica e suas encaixantes (Espírito Santo)
(Universidade Federal de Minas GeraisUFMG, 2013-07-31)
The Santa Angelica Massif (CISA), located in the southern Espírito Santo state, is the G5 suite more important pluton (Araçuaí Orogen post-collisional stage), and is constituted by leucocratic and melanocratic rocks in a ...
Geochronology of the lpanema layered mafic-ultramafic complex, Minas gerais, Brazil: Evidence of extension at the meso-neoproterozoic time boundary
(V H Winston & Son Inc, 2004-08-01)
The mafic/ultramafic Ipanema Layered Complex (ILC), Minas Gerais Brazil, consists of seven individual bodies. These units crosscut polyphase orthogneisses and interlayered paragneisses of the Paleoproterozoic Juiz de Fora ...
Geochronology of the lpanema layered mafic-ultramafic complex, Minas gerais, Brazil: Evidence of extension at the meso-neoproterozoic time boundary
(V H Winston & Son Inc, 2004-08-01)
The mafic/ultramafic Ipanema Layered Complex (ILC), Minas Gerais Brazil, consists of seven individual bodies. These units crosscut polyphase orthogneisses and interlayered paragneisses of the Paleoproterozoic Juiz de Fora ...
Geoquímica, geocronologia e contexto geotectônico do magmatismo máfico associado ao Feixe De Fraturas Colatina, estado do Espírito Santo
(Universidade Federal de Minas GeraisUFMG, 2014-12-18)
The Colatina fracture zone is a protracted, 250 km-long, 30 km-wide, medium- to high-angle dip, NNW-trending structure, clearly shown by remote sensing images on the on shore basement region of the hydrocarbon-rich, ...
Geoquímica, geocronologia e contexto geotectônico do magmatismo máfico associado ao Feixe de Fraturas Colatina, Estado Espirito Santo
(Universidade Federal de Minas GeraisUFMG, 2014-12-18)
The Colatina fracture zone is a protracted, 250 km-long, 30 km-wide, medium- to high-angle dip, NNW-trending structure, clearly shown by remote sensing images on the on shore basement region of the hydrocarbon-rich, ...