Results 61 to 70 of about 14,875 (109)
Análises de U-Pb por LA-ICP-MS e Shrimp em zircões detríticos do complexo Passo Feio, Terreno São Gabriel implicações geotectônicas para evolução do Cinturão Dom Feliciano [PDF]
, 2014 Idades de importância regional, ou mesmo global, foram encontradas na proveniência U-Pb de zircões detríticos de metapelitos do Complexo Passo Feio. Este complexo se localiza no Terreno São Gabriel, porção oeste do Cinturão Dom Feliciano, extremo sul da ...
Lopes, Carina Graciniana
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Radiometric characteristics of some metallic ores and nonmetallic deposits: an example, Wadi Al-Allaqi, South Eastern Desert, Egypt. [PDF]
Sci RepGobashy MM +5 more
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Journal of South American Earth Sciences, 2021
The Goias Magmatic Arc in central South America and the Arabian-Nubian shield record major phases of Tonian subduction during a period marked otherwise by dominant tectonic quiescence.
J. Carneiro, R. Fuck, E. Dantas
semanticscholar +1 more source
The Goias Magmatic Arc in central South America and the Arabian-Nubian shield record major phases of Tonian subduction during a period marked otherwise by dominant tectonic quiescence.
J. Carneiro, R. Fuck, E. Dantas
semanticscholar +1 more source
, 2021
The Crixas-Goias Domain, Central Brazil, comprises an association of Archean TTG (tonalite-trondhjemite-granodiorite) and Archean-Paleoproterozoic greenstone belts. The Crixas greenstone belt, located in the northern part of the domain, is constituted of
C. Borges +6 more
semanticscholar +1 more source
The Crixas-Goias Domain, Central Brazil, comprises an association of Archean TTG (tonalite-trondhjemite-granodiorite) and Archean-Paleoproterozoic greenstone belts. The Crixas greenstone belt, located in the northern part of the domain, is constituted of
C. Borges +6 more
semanticscholar +1 more source
Journal of South American Earth Sciences, 2019
Inserted in the context of the Goias Magmatic Arc, the Mangabal Complex represents a partially metamorphosed mafic-ultramafic intrusion, which is part of a cluster of neoproterozoic layered bodies formed during the Brasiliano Orogeny in central Brazil ...
C. Augustin, M.E.S. Della Giustina
semanticscholar +1 more source
Inserted in the context of the Goias Magmatic Arc, the Mangabal Complex represents a partially metamorphosed mafic-ultramafic intrusion, which is part of a cluster of neoproterozoic layered bodies formed during the Brasiliano Orogeny in central Brazil ...
C. Augustin, M.E.S. Della Giustina
semanticscholar +1 more source
Ore Geology Reviews, 2019
The Fazenda Nova gold deposit (with an inferred resource of 650 koz at 4.0 g/t Au, cut-off grade of 2.0 g/t Au) consists of stockwork Au-As mineralization hosted in late Neoproterozoic dikes in the Goias Magmatic Arc, central Brazil.
G. C. Marques +4 more
semanticscholar +1 more source
The Fazenda Nova gold deposit (with an inferred resource of 650 koz at 4.0 g/t Au, cut-off grade of 2.0 g/t Au) consists of stockwork Au-As mineralization hosted in late Neoproterozoic dikes in the Goias Magmatic Arc, central Brazil.
G. C. Marques +4 more
semanticscholar +1 more source
Journal of the Geological Society
The Zacarias deposit is a gold-rich volcanogenic mineralization (0.65 Mt @ 4.36 g/t Au, 48.86 g/t Ag, and 10.67% barite) hosted within Neoproterozoic rocks of the Mara Rosa metavolcano-sedimentary sequence in the Goiás Magmatic Arc.
Meyre Jéssica James +2 more
semanticscholar +1 more source
The Zacarias deposit is a gold-rich volcanogenic mineralization (0.65 Mt @ 4.36 g/t Au, 48.86 g/t Ag, and 10.67% barite) hosted within Neoproterozoic rocks of the Mara Rosa metavolcano-sedimentary sequence in the Goiás Magmatic Arc.
Meyre Jéssica James +2 more
semanticscholar +1 more source
Insights into the Goiás Magmatic Arc Lithosphere from Three-Dimensional Magnetotelluric Data
ProceedingsThe tectonic evolution of the Goiás Magmatic Arc (GMA) is poorly understood due to post-subduction overprinting. This study presents the first long-period magnetotelluric (MT) survey on a 50 km grid in a Brazilian magmatic arc, covering the Arenópolis ...
J. Inacio +1 more
semanticscholar +1 more source