
Rogerio Kwitko-Ribeiro, Alexandre Raphael Cabral, Bernd Lehmann, J. H. Gilles Laflamme, L. J. Cabri, Alan J. Criddle, H. F. Galbiatti,
... native platinum, in the sulfide-free, hematite-rich jacutinga mineralization of the Quadrilatero Ferrifero, central Minas Gerais, Brazil. Hongshiite occurs in grains up to about ...
Tópico(s): Geochemistry and Elemental Analysis
2002 - Mineralogical Association of Canada | The Canadian Mineralogist
Edmund Cecil Harder, Rollin T. Chamberlin,
... oxidation: evidence from Au-Pd vein-type mineralization (jacutinga), Cauê iron-ore mine, Quadrilátero Ferrífero, Minas Gerais, Brazil, Mineralogical Magazine 66, no.22 (Jul 2018): ...
Tópico(s): Geochemistry and Elemental Analysis
1915 - University of Chicago Press | The Journal of Geology

Alexandre Raphael Cabral, Bernd Lehmann, Rogerio Kwitko-Ribeiro, H. F. Galbiatti, Maxwell Pereira,
Abstract Palladseite (palladium selenide) and palladian gold occur as euhedral inclusions in specularite and as infill of microfractures and interstices in magnetite aggregates (host rock fragments) within specularite-rich auriferous veins (jacutinga). Palladseite has minor amounts of Pt (0.6–3.5 wt.%), Cu (2.9–3.5 wt.%), Hg (0.9–1.9 wt.%), and Ag (0.3–0.5 wt.%). The palladian gold contains up to 6 wt.% Pd, and minor Cu and Ag. Isomertieite (Pd 11 Sb 2 As 2 ) and sudovikovite (PtSe 2 ) are also recorded. The ...
Tópico(s): Geochemistry and Elemental Analysis
2002 - Cambridge University Press | Mineralogical Magazine

César Augusto Chicarino Varajão, Fabrice Colin, Philippe Vieillard, Adolpho José Melfi, D. Nahon,
... Pd alloys of the Au ore locally called Jacutinga at the Maquiné Mine, Iron Quadrangle, Minas Gerais state, Brazil. The field work shows that the ...
Tópico(s): Geological and Geochemical Analysis
2000 - Elsevier BV | Applied Geochemistry

Alexandre Raphael Cabral, Armin Zeh, H. F. Galbiatti, Bernd Lehmann,
... as jacutinga, is controversial; different views have ascribed jacutinga to one of the two orogenic events recorded in the Quadrilátero Ferrífero of Minas Gerais, the ~2.0 Ga Transamazonian event and the ~ ... systems. The age of 496 Ma for the jacutinga monazite corroborates an orogen-scale hydrothermal overprint at later stages of the Brasiliano event. This hydrothermal overprint also affected surrounding Neoarchean rocks of the Minas Supergroup, as well as younger rocks of the southern Serra do Espinhaço, along the platiniferous Au-Pd belt of Minas Gerais. You do not have access to this content, ...
Tópico(s): Mineralogy and Gemology Studies
2014 - | Economic Geology
Alexandre Raphael Cabral, Bernd Lehmann,
... gold, obtained from a specularite-rich auriferous vein (‘jacutinga’) of the Gongo Soco iron ore mine, Quadrilátero Ferrífero, Minas Gerais, allows the definition of a paragenetic sequence of ...
Tópico(s): Geochemistry and Elemental Analysis
2003 - Cambridge University Press | Mineralogical Magazine

Lucilia Aparecida Ramos de Oliveira, Francisco Javier Ríos, Carlos Alberto Rosière, Marküs Wälle, Mélissa Ortelli, Kalin Kouzmanov,
Tópico(s): earthquake and tectonic studies
2017 - Elsevier BV | Ore Geology Reviews
Gema R. Olivo, Michel Gauthier,
... minerals from the Cauê iron mine, Itabira District, Minas Gerais, Brazil, are found in gold-rich jacutinga, a hydrothermally-altered Lake Superior-type carbonate-bearing ...
Tópico(s): Mineralogy and Gemology Studies
1995 - Cambridge University Press | Mineralogical Magazine

Lizandra de Fátima Martins, Jamil de Morais Pereira, Mateus Tonelli, Dilmar Baretta,
Objetivou-se neste trabalho avaliar os efeitos que as culturas do eucalipto, cana-de-açúcar, mata nativa e atributos químicos do solo exercem sobre a composição da macrofauna do solo. Em cada área, os organismos edáficos foram coletados pela retirada de nove monólitos de solo e serapilheiracom posterior triagem manual dos indivíduos. A identificação de cada grupo taxonômico foi baseada em características morfológicas. O solo para análise química foi coletado nos mesmos pontos de coleta da fauna. ...
Tópico(s): Soil Management and Crop Yield
2017 - Instituto Federal de Educação, Ciência e Tecnologia do Sul de Minas Gerais | Revista Agrogeoambiental

Alexandre Raphael Cabral, Cheo Emmanuel Suh, Rogerio Kwitko-Ribeiro, O. G. Rocha Filho,
... from specular hematite-rich, sulphide-free, auriferous veins (jacutinga) at Gongo Soco, an iron ore deposit in the Quadrilátero Ferrífero of Minas Gerais, Brazil, have inclusions of palladium arseno-antimonides (isomertieite ...
Tópico(s): Rock Mechanics and Modeling
2007 - Elsevier BV | Ore Geology Reviews
O uso de agrotóxicos na agricultura vem sendo difundido cada vez mais. Com o aumento da utilização indiscriminada desses produtos, passou a haver uma preocupação maior quanto ao conhecimento da população em relação ao uso correto desses produtos. Sendo assim, este estudo buscou analisar o conhecimento da população quanto ao uso e aplicaçãodesses produtos. Essa análise foi feita através da aplicação de questionários com perguntas claras e objetivas que buscavam conhecer como a populaç ...
Tópico(s): Rural Development and Agriculture
2019 - | Pensar Acadêmico
Cardoso Júnior, José Carlos Simão,
Tópico(s): Insect and Pesticide Research
2010 - | Aleph UCLA Undergraduate Research Journal for the Humanities and Social Sciences
Gema R. Olivo, M. Gauthier, Marc Bardoux,
... gold from the Cauê iron mine, Itabira District, Minas Gerais, Brazil is found in horizons of hydrothermally-altered Lake Superior-type oxide-facies iron-formation locally called jacutinga. Palladium content of the gold grains varies from ...
Tópico(s): Geochemistry and Elemental Analysis
1994 - Cambridge University Press | Mineralogical Magazine

Anderson Barreto dos Passos, Bruno Manoel Rezende de Melo, Sindynara Ferreira, Douglas Goulart Castro, Telma Miranda dos Santos, Leonardo Alves Guedes,
... in the municipalities of Inconfidentes, Ouro Fino, and Jacutinga, southern Minas Gerais State, Brazil. The experiment was carried out in ...
Tópico(s): Pineapple and bromelain studies
2021 - Instituto Federal de Educação, Ciência e Tecnologia do Sul de Minas Gerais | Revista Agrogeoambiental
... anos 2009 y 2012 en el municipio de Jacutinga, region sur del estado brasileno de Minas Gerais y tiene como objetivo analizar, a partir de ... anos de 2009 e 2012 no municipio de Jacutinga, regiao Sul do estado brasileiro de Minas Gerais. Tem por objetivo analisar o modo como a ... field of Ethnomusicology regarding ethnographic material in the Jacutinga municipality, a region in the south of the Brazilian state, Minas Gerais– aims to analyse the protagonism of musica raiz ...
Tópico(s): Urban and sociocultural dynamics
2015 - National Scientific and Technical Research Council | El oído pensante

H. F. Galbiatti, Marco Antônio Fonseca, Márcio C. Pereira, J. C. Polônia,
... special kind of Au–Pd mineralization known as Jacutinga. The main orebodies are hosted within the Caue Syncline, a SW-verging fold that involves Paleoproterozoic metasedimentary rocks in the Itabira District, a regional synclinorium with BIFs in the core of synclinal folds in the northeastern part of Quadrilatero Ferrifero, Minas Gerais. Structural analysis reveals two important features of the ...
Tópico(s): earthquake and tectonic studies
2007 - Elsevier BV | Ore Geology Reviews
E. C. Harder, Rollin T. Chamberlin,
... C. Polônia Structural control of Au–Pd mineralization (Jacutinga): An example from the Cauê Mine, Quadrilátero Ferrífero, Brazil, Ore Geology Reviews 32, no.3-43-4 (Nov 2007): 614–628.https://doi.org/10.1016/j.oregeorev.2005.03.020A. R. Cabral, A. V. Corrêa Neto Mercury-bearing manganiferous veinlets in compact haematite ore: the preliminary data from Fábrica deposit, Quadrilátero Ferrífero, Minas Gerais, Brazil, Applied Earth Science 115, no.11 (Jul ...
Tópico(s): earthquake and tectonic studies
1915 - University of Chicago Press | The Journal of Geology

Alexandre Raphael Cabral, Bernd Lehmann, Miguel Tupinambá, Sandra Schlosser, Rogerio Kwitko-Ribeiro, Francisco Robério de Abreu,
... long, north-trending Au-Pd-Pt belt in Minas Gerais, Brazil, which hosts hydrothermal Pd-Pt-bearing gold mineralization in its southern part (Quadrilatero Ferrifero and Itabira district) and alluvial Pd-Pt-Au mineralization in its northern part (southern Serra do Espinhaco). The hydrothermal Pd-Pt-bearing gold mineralization, locally known as jacutinga, occurs as late-orogenic quartz-hematite-(talc-kaolinite) ...
Tópico(s): Geochemistry and Elemental Analysis
2009 - | Economic Geology

... unidades familiares com produção destinada a subsistência. A Jacutinga está situada no município do Serro—Minas Gerais. Ao longo da pesquisa analisei o Espaço Social ...
Tópico(s): Food, Nutrition, and Cultural Practices
2021 - | Equatorial – Revista do Programa de Pós-Graduação em Antropologia Social

Alexandre Raphael Cabral, Bernd Lehmann, H. F. Galbiatti, O. G. Rocha Filho,
... the Palaeoproterozoic Itabira Iron Formation, Quadrilátero Ferrífero of Minas Gerais, Brazil, has revealed distinct variations in chemical composition with respect to Ti and Cr. Hematite containing Ti and/or Cr is of very local occurrence in the itabirite unit and shows a spatial relationship to hematitic, palladiferous gold-bearing veins (known as ‘jacutinga’), occurring either within the veins (adjacent to, or ...
Tópico(s): Geochemistry and Elemental Analysis
2006 - Cambridge University Press | Mineralogical Magazine
... field of Ethnomusicology regarding ethnographic material in the Jacutinga municipality, a region in the south of the Brazilian state, Minas Gerais– aims to analyse the protagonism of musica raiz ...
Tópico(s): Urban and sociocultural dynamics
2015 - National Scientific and Technical Research Council | El oído pensante

Anna Vymazalová, František Laufek, M. Drábek, Alexandre Raphael Cabral, J. Haloda, Tamara Sidorinová, Bernd Lehmann, H. F. Galbiatti, Jan Drahokoupil,
... at the Caue iron-ore deposit, Itabira district, Minas Gerais, Brazil. Observed in a polished section, the mineral ...
Tópico(s): Geological and Geochemical Analysis
2012 - Mineralogical Association of Canada | The Canadian Mineralogist

Andressa Negri Palandi, Eike Daniel Fôlha Ferreira, Marcos Magalhães de Souza,
... planta em áreas de cultivo no sul de Minas Gerais. O estudo foi realizado no período de 06 de abril a 02 de junho de 2024 em cinco propriedades nos municípios de Inconfidentes, Borda da Mata e Jacutinga. Foram registradas 14 colônias de sete espécies, além ...
Tópico(s): Insect and Pesticide Research
2024 - Entomologistas do Brasil | Entomology Beginners
Alexandre Raphael Cabral, Armin Zeh,
Zircon and xenotime occur in tourmaline-rich hydrothermal pockets in the auriferous lode of Passagem de Mariana, a world-class gold deposit. Zircon grains show pristine oscillatory zoning, but many of them are altered, exhibiting porous domains filled with graphite. Uranium–Pb dating of zircon, using in-situ laser ablation–inductively coupled plasma–mass spectrometry, yields ages between 3.2 and 2.65 Ga, which match those for detrital zircon of the footwall quartzite of the > 2.65-Ga-old Moeda Formation. ...
Tópico(s): Geochemistry and Elemental Analysis
2014 - Elsevier BV | Lithos

Alexandre Raphael Cabral, Bernd Lehmann, Rogerio Kwitko-Ribeiro, R. D. Jones, Fernando Roberto Mendes Pires, O. G. Rocha Filho, Murilo Daniel de Mello Innocentini,
Abstract New data on the Gongo Soco palladium-oxygenated compounds are presented for the first time since the work of Johnson and Lampadius (1837). A variety of PdO species is documented, always in association with Cu, Fe and Mn, and includes Pd(OH) 2 or PdO.H 2 O, and phases with metal excess in relation to oxygen, interpreted as metastable. Their remarkable occurrence in ‘ouro preto’ (black gold) and jacutinga (auriferous itabirite/iron ore) is the result of mertieite-II alteration. It involves leaching ...
Tópico(s): Metal Extraction and Bioleaching
2001 - Cambridge University Press | Mineralogical Magazine

Berenice Moreira, Elsie Franklin Guimarães,
... realizacao de coletas de Piperaceae no estado de Minas Gerais, principalmente na regiao da Serra da Mantiqueira, onde ...
Tópico(s): Banana Cultivation and Research
2008 - | Cadernos UniFOA

Elizabeth Neves Mureb, Lilian B. Medeiros, SY Marín, HLG Coelho, A.V. Araujo, M. Resende, Nélson Rodrigo da Silva Martins,
Captive breeding of avian species, both for commercial and conservation purposes, demands healthy breeders for viable healthy progenies.Commercially raised pets must be healthy for market viability and considering the conservation projects, sufficient and health progeny numbers are required, especially for the endangered species.Native Brazilian species, endangered or extinct from nature, have been reproduced in captivity and the obtained progenies have enabled their return to nature, as demonstrated ...
Tópico(s): Viral Infections and Vectors
2023 - UNIVERSIDADE FEDERAL DE MINAS GERAIS | Arquivo Brasileiro de Medicina Veterinária e Zootecnia

A expansão territorial de Londrina-PR apresenta a interferênciadireta dos corpos d’água com três momentos-chave. Esteestudo apresenta o crescimento urbano sobre as microbacias3dos ribeirão Cambé – início da cidade; Jacutinga – expansão aNorte; e a ocupação a sul, sobre as margens do córrego Esperança.
Tópico(s): Urban Development and Societal Issues
2013 - PONTIFÍCIA UNIVERSIDADE CATÓLICA DE MINAS GERAIS | Cadernos de arquitetura e urbanismo