 | de Paula Garcia, Pedro Maciel, Teixeira, João Batista Guimarães, Misi, Aroldo, da Silva Sá, José Haroldo, da Silva, Maria da Glória (2018) Tectonic and metallogenic evolution of the Curaçá Valley Copper Province, Bahia, Brazil: A review based on new SHRIMP zircon U-Pb dating and sulfur isotope geochemistry. Ore Geology Reviews, 93. 361-381 doi:10.1016/j.oregeorev.2018.01.007 | Journal (article/letter/editorial) | | metallogenic evolution of the Curaç á Valley Copper Province, Bahia, Brazil: A review based on new SHRIMP zircon...metallogenic evolution of the Curaç á Valley Copper Province, Bahia, Brazil: A review based on new SHRIMP zircon...metallogenic evolution of the Curaçá Valley Copper Province, Bahia, Brazil: A review based on new SHRIMP...Universidade Federal da Bahia (UFBA), Rua Caetano Moura 123, Federação, Salvador, BA, Brazil, 40270-340. (2)...the Curaçá River Valley Copper Province, northeastern São Francisco Craton, Bahia State, Brazil, covering |  | | Journal (article/letter/editorial) | | Mapping New IOCG Mineral Systems in Brazil: The Vale do Curaçá and Riacho do Pontal Copper Districts...60440-554, Brazil Instituto de Geociências, Universidade de Brasília, Brasília 70910-900, Brazil; adalene@unb...Universidade Federal do Paraná, Curitiba 81531-980, Brazil; francisco.ferreira@ufpr.br Department of Mathematics...2020 Abstract: The Vale do Curaçá and Riacho do Pontal copper districts are located...associated with the Caraíba copper deposit, which is located in the Vale do Curaçá district, is related |  | D'el-Rey Silva, Luiz José Homem, Dantas, Elton Luiz, Teixeira, João Batista Guimarães, Laux, Jorge Henrique, da Silva, Maria da Glória (2007) U–Pb and Sm–Nd geochronology of amphibolites from the Curaçá Belt, São Francisco Craton, Brazil: Tectonic implications. Gondwana Research, 12 (4) 454-467 doi:10.1016/j.gr.2006.11.008 | Journal (article/letter/editorial) | | geochronology of amphibolites from the Curaçá Belt, São Francisco Craton, Brazil: Tectonic implications Luiz José...Ribeiro, Asa Norte, 70.910-900, Brasília — DF, Brazil Grupo de Metalogênese, Centro de Pesquisa em Geofísica...Federal da Bahia, Campus Universitário de Ondina, Sala 201-C, Salvador, 40170-290, Bahia, Brazil d Serviço...Pasteur 404, Urca, 22290-240 Rio de Janeiro — RJ, Brazil b c Received 24 May 2006; received in revised...January 2007 Abstract The Curaçá terrane is part of the Itabuna–Salvador–Curaçá (I–S–C) Paleoproterozoic |  | | Journal (article/letter/editorial) | | Federal da Bahia, Campus Universitário de Ondina, Sala 201-C, Salvador, 40170-290, Bahia, Brazil b Geological...Survey of Brazil (CPRM)-Av. Pasteur, 404, Urca, Rio de Janeiro, 22290-240, Rio de Janeiro, Brazil Received...from Venezuela (Imataca Complex), and others from Brazil (Quadrilátero Ferrífero, Itabira, and Guanhães)...mentioning that the Serra dos Carajás Basin in northern Brazil is older. It contains the worlds' largest iron...is the highly metamorphosed Caraíba deposit, Curaçá Valley, Bahia, Brazil. This is an unusual, strongly |  | | Journal (article/letter/editorial) | | the Northern Edge of the São Francisco Craton, Brazil Vitor Bandeira Martins Matos* and Cesar Fonseca...Brasília, Brasília, Distrito Federal 70910-900, Brazil Abstract The Caboclo dos Mangueiros deposit, the...recent discovery of Ni-Cu sulfide mineralization in Brazil, has estimated resources of 200 million tonnes...window for exploration for Ni-Cu-PGE sulfides in Brazil. Introduction Ni-Cu-platinum group element (PGE)...Mineração Caraíba S.A., Fazenda Caraíba, S/N, Distrito Pilar, Jaguarari, Bahia 48967-000, Brazil. ISSN |  | PIRRIE, D., POWER, M. R., ANDERSEN, J. C. Ø., BUTCHER, A. R. (2000) Platinum-group mineralization in the Tertiary Igneous
Province: new data from Mull and Skye, Scottish Inner Hebrides, UK. Geological Magazine, 137 (6) 651-658 doi:10.1017/s0016756800004520 | Journal (article/letter/editorial) | | sulphide minerals (predominantly pentlandite and chalcopyrite) are present but scarce (typically <<1 modal...Claydon, 1992). Sulphide minerals, typically chalcopyrite and pentlandite, are present as accessory phases...abundant (<<1 modal %; Bell & Claydon, 1992). Chalcopyrite is, however, locally abundant along the margins...magnetite at Caraíba and other Cu-sulfide deposits in the Curaçá valley, Bahia, Brazil. Canadian Mineralogist |  | Le Bras, Loic Y., Bolhar, Robert, Bybee, Grant M., Nex, Paul A. M., Guy, Bradley M., Moyana, Thabitha, Lourens, Paulien (2021) Platinum-group and trace elements in Cu-sulfides from the Loolekop pipe, Phalaborwa: implications for ore-forming processes. Mineralium Deposita, 56 (1). 161-177 doi:10.1007/s00126-020-01005-4 | Journal (article/letter/editorial) | | mineralization phase contains dispersed bornite with chalcopyrite exsolution and local traces of chalcocite and...second primary phase is characterized by veins of chalcopyrite with cubanite exsolution. The third mineralization...mantle origin of the primary Cu-sulfides (bornite-chalcopyrite assemblages). In situ trace element analyses...the bornite-chalcopyrite assemblages. Sulfide textures and the presence of chalcopyrite veins suggest...phoscorite consists of assemblages of bornite and chalcopyrite in variable proportions disseminated within |  | | Journal (article/letter/editorial) | | Zone. The expected weight proportion of primary chalcopyrite / pyrrhotite evolves from 30 : 70 at the base...have been derived from a primary pyrrhotite–chalcopyrite assemblage through reequilibration and postmagmatic...bornite, blue chalcocite (or digenite), minor chalcopyrite and associated with nontitaniferous magnetite...extensively replaced by marcasite) with minor chalcopyrite in UZc. They reported the Cu-rich assemblage...intrusions to have less pentlandite and more chalcopyrite. 2.3. Noble metals Noble metals in the Skaergaard |  | | Journal (article/letter/editorial) | | dominated by Cu-rich sulfides, bornite and 35 chalcopyrite (Cu/S ratios are typically >1). Cobalt-rich...with reef-type mineralization at Rio Jacaré in Brazil. 49 The Latitude Hill prospect is characterised...Cu-rich, comprising mixtures of bornite 407 and chalcopyrite without significant pentlandite, and near-absent...chalcocite progressively replace bornite and chalcopyrite 409 in samples from shallower depths. In contrast...pyrrhotite blebs containing trace amounts of chalcopyrite and pentlandite. In 411 all cases, the sulfides |  | | Book | | born hills appear parallel to Mahagiri range due to mine-waste dumping. Unpaved roads serve the movement...The sky is gloomy throughout the day due to the mine and road dust. Social evils, crime, alcoholism,...the country. The chromite belt was located in a valley between the Mahagiri and the Daitari hill ranges...education, counseling, and training. Making stringent mine-safety rules is not the solution—it has to be implemented...Ore Group Orissa Mining Corporation Limited Run of Mine Reconnaissance Permit tonnes tonnes per annum/day |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...Moreto, André Luiz Silva Pestilho, Mineral Province, Brazil Gustavo Henrique Coelho de Melo, Marco Antônio...Tunnels Au-Ag-Zn-Pb deposit, Montana, United States (mine now exhausted). 1971: Recognized control of ore...high sulfidation epithermal Au-Ag deposit, Chile (mine now exhausted). 1971: First formal recognition...which led to discovery of Perkoa Zn-Pb-Ag deposit (mine under construction). 1990: Recommendation of Cerro |  | | Journal (article/letter/editorial) | | sulfides that consist of the assemblage bornite + chalcopyrite + digenite. Deposition of the mineralized layer...light). E. Bornite with exsolution lamellae of chalcopyrite (cp) and irregular, coarse-grained digenite...digenite ± chalcopyrite ± magnetite with complex intergrowths among the sulfides. Bornite-chalcopyrite intergrowths...~5-µm-thick lamellae of chalcopyrite in bornite in a basket-weave pattern (Fig. 5E). Chalcopyrite also occurs as...bornite or digenite. Pyrrhotite occurs with chalcopyrite as granular intergrowths that are associated |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started... Multi-stage emplacement and PGE-enrichment in the River Valley Intrusion, Ontario, Canada: implications for...Ni-Cu-PGE, Cr, and Fe-Ti-V deposits in the Bird River–Uchi–Oxford-Stull–La Grande-Eastmain superdomain:...BIF-hosted Lamego gold deposit, Quadrilátero Ferrífero, Brazil .................................................processes in the orogenic gold deposit of the Pampalo mine, Hattu schist belt, eastern Finland . . ....... |  | | Journal (volume) | | Deposits in the Carajás Mineral Province, Pará State, Brazil Rosaline Figueiredo e Silva, Lydia Maria Lobato...educated Dutch geologist and permanent resident of Brazil with an M.Sc. degree in metamorphic geology, under...in the Espinhaço Range and has worked widely in Brazil and shield South America, mainly on exploration...Pesquisa de Recursos Minerais, Pan Brazilian, Minmet, Caraíba Metais, Gold Fields, Eldorado Gold Corp., Lara...geologic, mineral resources, and geotectonic map of Brazil, published in 4 sheets and in DVDGIS format with |
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