 | Cabral, A. R., Zeh, A., Galbiatti, H. F., Lehmann, B. (2015) LATE CAMBRIAN Au-Pd MINERALIZATION AND Fe ENRICHMENT IN THE ITABIRA DISTRICT, MINAS GERAIS, BRAZIL, AT 496 Ma: CONSTRAINTS FROM U-Pb MONAZITE DATING OF A JACUTINGA LODE. Economic Geology, 110 (1) 263-272 doi:10.2113/econgeo.110.1.263 | Journal (article/letter/editorial) | | MINERALIZATION AND Fe ENRICHMENT IN THE ITABIRA DISTRICT, MINAS GERAIS, BRAZIL, AT 496 MA: CONSTRAINTS FROM U-Pb MONAZITE...Germany 3 GerĂȘncia de Exploração de Ferrosos, Vale, MiguelĂŁo, 34000-000 Nova Lima-MG, Brazil Abstract Bonanza-style...century in the province that became known as Minas Gerais. The timing of this itabirite-hosted vein mineralization...events recorded in the QuadrilĂĄtero FerrĂfero of Minas Gerais, the ~2.0 Ga Transamazonian event and the ~0...the Conceição Fe-ore deposit within the Itabira district. The monazite analyses yield a precise Late Cambrian |  | Galbiatti, H.F., Fonseca, M.A., Pereira, M.C., PolĂŽnia, J.C. (2007) Structural control of AuâPd mineralization (Jacutinga): An example from the CauĂȘ Mine, QuadrilĂĄtero FerrĂfero, Brazil. Ore Geology Reviews, 32 (3) 614-628 doi:10.1016/j.oregeorev.2005.03.020 | Journal (article/letter/editorial) | | (Jacutinga): An example from the CauĂȘ Mine, QuadrilĂĄtero FerrĂfero, Brazil H.F. Galbiatti a,â, M.A. Fonseca...Rio Doce, Minas de Itabira, Serra do Esmeril S/N, Mina CauĂȘ, 35900-900 Itabira, MG, Brazil b Departamento...Departamento de Geologia, Universidade Federal de Ouro Preto. 35.400-000, Ouro Preto, MG, Brazil Received 1...Paleoproterozoic metasedimentary rocks in the Itabira District, a regional synclinorium with BIFs in the core...FerrĂfero, Minas Gerais. Structural analysis reveals two important features of the district: the polydeformed |  | Cabral, A. R., Lehmann, B., Grambole, D., Herrmann, F. (2004) HYDROGEN IN A NATURAL Pd O COMPOUND FROM GONGO SOCO, MINAS GERAIS, BRAZIL. The Canadian Mineralogist, 42 (2) 689-694 doi:10.2113/gscanmin.42.2.689 | Journal (article/letter/editorial) | | A NATURAL PdâO COMPOUND FROM GONGO SOCO, MINAS GERAIS, BRAZIL ALEXANDRE RAPHAEL CABRAL§ AND BERND LEHMANN...encrustation of an ouro preto nugget of Gongo Soco, Minas Gerais, Brazil, is confirmed by elastic recoil detection...not from goethite. The data indicate that the PdâOâH phase is unstable compared to goethite, giving support...compound, ouro preto nugget, Gongo Soco, Minas Gerais, Brazil. SOMMAIRE Lâexistence dâhydrogĂšne dans...constitue, avec des oxydes de fer la patine sombre caractĂ©ristique dâune pĂ©pite de ouro preto prĂ©levĂ©e Ă Gongo |  | Cabral, A. R., Lehmann, B., Kwitko, R., Jones, R. D. (2002) Palladian gold and palladium arsenideâantimonide minerals from Gongo Soco iron ore mine, QuadrilĂĄtero FerrĂfero, Minas Gerais, Brazil. Applied Earth Science, 111 (1) 74-80 doi:10.1179/aes.2002.111.1.74 | Journal (article/letter/editorial) | | from Gongo Soco iron ore mine, QuadrilĂĄtero FerrĂfero, Minas Gerais, Brazil Downloaded by [RMIT University...deposit was one of the most famous gold mines in Brazil in the nineteenth century. The iron ore mining...arsenic. A myrmekitic intergrowth of an Fe-rich, goethite-like phase in a mertieite -II-bearing palladian...ore deposits of the QuadrilĂĄtero FerrĂfero of Minas Gerais. The soft hematite orebody comprises 66 000...was not only the first major underground gold mine in Brazil but also the most famous of the so-called jacutinga |  | | Journal (article/letter/editorial) | | 63, Buea, South West Province, Cameroon c Centro de Desenvolvimento Mineral, Companhia Vale do Rio Doce...Doce, BR 381/km 450, 33040-900 Santa Luzia-MG, Brazil Mina do Gongo Soco, Companhia Vale do Rio Doce,...Gongo Soco, Caixa Postal 22, 35970-000 BarĂŁo de Cocais-MG, Brazil b d Received 9 September 2005; accepted...deposit in the QuadrilĂĄtero FerrĂfero of Minas Gerais, Brazil, have inclusions of palladium arseno-antimonides...gold itself. Goethite seals microcracks in gold with or without angular fragments of goethite. Crack sealing |  | Olivo, G. R., Gauthier, M., Williams-Jones, A. E., Levesque, M. (2001) The Au-Pd Mineralization at the Conceicao Iron Mine, ItabiraDistrict, Southern Sao Francisco Craton, Brazil: An Example of aJacutinga-Type Deposit. Economic Geology, 96 (1) 61-74 doi:10.2113/gsecongeo.96.1.61 | Journal (article/letter/editorial) | | the Conceição Iron Mine, Itabira District, Southern SĂŁo Francisco Craton, Brazil: An Example of a Jacutinga-Type...H3A 2A7 MICHEL GAUTHIER, DĂ©partement des Sciences de la Terre, UniversitĂ© du QuĂ©bec Ă MontrĂ©al, Case Postale...2A7 AND MARTIN LEVESQUE DĂ©partement des Sciences de la Terre, UniversitĂ© du QuĂ©bec Ă MontrĂ©al, Case Postale...3P8 Abstract The Conceição mine, which is located in the Itabira district, southern SĂŁo Francisco craton...an altered Lake Superior-type iron-formation. The mine sequence consists of three metamorphosed lithostratigraphic |  | Cabral, A. R., Lehmann, B., Kwitko-Ribeiro, R., Costa, C. H. C. (2002) Palladium and platinum minerals from the Serra Pelada Au-Pd-Pt deposit, Carajas mineral province, northern Brazil. The Canadian Mineralogist, 40 (5) 1451-1463 doi:10.2113/gscanmin.40.5.1451 | Journal (article/letter/editorial) | | AuâPdâPt DEPOSIT, CARAJĂS MINERAL PROVINCE, NORTHERN BRAZIL ALEXANDRE RAPHAEL CABRAL§ AND BERND LEHMANN Institut...Clausthal-Zellerfeld, Germany ROGERIO KWITKO-RIBEIRO Centro de Desenvolvimento Mineral, Companhia Vale do Rio Doce...33030-970 Santa Luzia â MG, Brazil CARLOS HENRIQUE CRAVO COSTA Diretoria de Metais Nobres, Companhia Vale...Serra dos CarajĂĄs, 68516-000 Parauabepas â PA, Brazil ABSTRACT The Serra Pelada garimpo (1980â1984)...delicate arborescent fabric and are coated by goethite. Four compositional types of gold are recognized: |  | | Journal (article/letter/editorial) | | FerrĂfero, Minas Gerais, Brazil Luiz ClĂĄudio Ribeiro-Rodrigues a,â, Claudinei Gouveia de Oliveira b ...c a Centro UniversitĂĄrio de Caratinga, Unidade III, Fazenda Experimental de Caratinga, BR-116, km 526...Caratinga-MG, 35 300-970, Brazil b Instituto de GeociĂȘncias, Universidade de BrasĂlia, Campus Asa Norte...Norte, BrasĂlia-DF, 31270-901, Brazil c Institute of Mineralogy and Economic Geology, Aachen University...northern part of the QuadrilĂĄtero FerrĂfero, Minas Gerais State, Brazil. The region constitutes an Archean graniteâgreenstone |  | Cabral, A. R., Lehmann, B., Tupinamba, M., Schlosser, S., Kwitko-Ribeiro, R., de Abreu, F. R. (2009) THE PLATINIFEROUS Au-Pd BELT OF MINAS GERAIS, BRAZIL, AND GENESIS OF ITS BOTRYOIDAL Pt-Pd AGGREGATES. Economic Geology, 104 (8) 1265-1276 doi:10.2113/gsecongeo.104.8.1265 | Journal (article/letter/editorial) | | COMMUNICATIONS THE PLATINIFEROUS Au-Pd BELT OF MINAS GERAIS, BRAZIL, AND GENESIS OF ITS BOTRYOIDAL Pt-Pd AGGREGATES...SCHLOSSER,4 ROGERIO KWITKO-RIBEIRO,5 AND FRANCISCO R. DE ABREU6 1 Department 2 Mineral of Geology: Exploration... Research Group, Faculdade de Geologia, Universidade do Estado do Rio de Janeiro, Rua S. Francisco Xavier...Janeiro-RJ, Brazil 4 Curt-Engelhorn-Zentrum 5 Centro ArchĂ€ometrie, D6, 3, D-68159 Mannheim, Germany de Desenvolvimento...Luzia-MG, Brazil 6 Votorantim Metais, Praça Ramos de Azevedo 206, 01037-010 SĂŁo Paulo-SP, Brazil Abstract |  | Kwitko, R., Cabral, A. R., Lehmann, B., Laflamme, J.H. G., Cabri, L. J., Criddle, A. J., Galbiatti, H. F. (2002) HONGSHIITE, PtCu, FROM ITABIRITE-HOSTED Au Pd Pt MINERALIZATION (JACUTINGA), ITABIRA DISTRICT, MINAS GERAIS, BRAZIL. The Canadian Mineralogist, 40 (2) 711-723 doi:10.2113/gscanmin.40.2.711 | Journal (article/letter/editorial) | | MINERALIZATION (JACUTINGA), ITABIRA DISTRICT, MINAS GERAIS, BRAZIL ROGERIO KWITKO§ Centro de Desenvolvimento Mineral...Doce, BR 262/ km 296, 33030-970 Santa Luzia â MG, Brazil ALEXANDRE R. CABRAL§ AND BERND LEHMANN Institut...GALBIATTI Diretoria de Ferrosos Sul, Companhia Vale do Rio Doce, 35900-900 Itabira-MG, Brazil ABSTRACT Hongshiite...mineralization of the QuadrilĂĄtero FerrĂfero, central Minas Gerais, Brazil. Hongshiite occurs in grains up to about...Iron Formation, QuadrilĂĄtero FerrĂfero, Minas Gerais, Brazil. SOMMAIRE La hongshiite se trouve associĂ©e |  | Cabral, A. R., Lehmann, B., Kwitko, R., Costa, C. H. C. (2002) The Serra Pelada Au-Pd-Pt deposit, Carajas mineral province, northern Brazil: reconnaissance mineralogy and chemistry of very high grade palladian gold mineralization. Economic Geology, 97 (5) 1127-1138 doi:10.2113/gsecongeo.97.5.1127 | Journal (article/letter/editorial) | | Au-Pd-Pt DEPOSIT, CARAJĂS MINERAL PROVINCE, NORTHERN BRAZIL: RECONNAISSANCE MINERALOGY AND CHEMISTRY OF VERY... KWITKO, Companhia Vale do Rio DoceâCVRD, Centro de Desenvolvimento Mineral, Rodovia BR 262/ km 296,...Santa Luzia-MG, Brazil AND C.H. CRAVO COSTA Companhia Vale do Rio DoceâCVRD, Diretoria de Metais Nobres...51, Serra dos CarajĂĄs, 68516-000 Parauabepas-PA, Brazil Abstract A historic drill core from the Serra...palladian gold aggregates are often coated by goethite and are embedded in a powdery, ferruginous, clay-rich |  | | Journal (article/letter/editorial) | | the Pau Branco Deposit, QuadrilĂĄtero FerrĂfero, Brazilâ Implications for Fluid-Rock Interaction During...4 Center de GeociĂȘncias, Universidade de Brasilia, Distrito Federal, 70910-900, Brazil de GeociĂȘncias...Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 31270-901, Brazil for Exploration Targeting...Branco iron ore deposit, QuadrilĂĄtero FerrĂfero, Brazil. The phyllite and iron ore of Pau Branco extend...hematite overgrows earlier iron oxides; and (5) goethite replaces earlier hematite and amphibole within |  | | Journal (volume) | | Hematite DepositsâA Paleomagnetic Approach M. O. de Kock, D. A. D. Evans, J. Gutzmer, N. J. Beukes, and...Deposits in the CarajĂĄs Mineral Province, ParĂĄ State, Brazil Rosaline Figueiredo e Silva, Lydia Maria Lobato...Marius Strydom 317 Chapter 13: Genesis of the Pic de Fon Iron Oxide Deposit, Simandou Range, Republic...educated Dutch geologist and permanent resident of Brazil with an M.Sc. degree in metamorphic geology, under...worked widely in Brazil and shield South America, mainly on exploration geology for De Beers Consolidated |  | Palyanova, Galina, Kutyrev, Anton, Beliaeva, Tatiana, Shilovskikh, Vladimir, Zhegunov, Pavel, Zhitova, Elena, Seryotkin, Yurii (2023) Pd,Hg-Rich Gold and Compounds of the Au-Pd-Hg System at the Itchayvayam Mafic-Ultramafic Complex (Kamchatka, Russia) and Other Localities. Minerals, 13 (4) 549 doi:10.3390/min13040549 | Journal (article/letter/editorial) | | the amount of this phase in the grains Espinhaco, Brazil [38,39] as âpoorly crystallineâ phases. was 10%â40%...sediments and minor volcanics in the South Hums district of Devon (southwest England) were reported by...River Dart (England) [20], and Corrego Bom Sucesso (Brazil) [38,39] (Table A2). Pd,Hg-poor gold is more common...58] and depositions Serra Pelada and Gongo Soco (Brazil) [40,59,60] and alluvial placers Mayt and Big Kuonamka...Similkameen River (Canada) [64]; Corrego Bom Sucesso (Brazil) [38,39]. The minor impurity Ag or (and) Cu is |  | Rivera, Javier, Reich, Martin, Schoenberg, Ronny, GonzĂĄlez-JimĂ©nez, JosĂ© MarĂa, Barra, Fernando, Aiglsperger, Thomas, Proenza, JoaquĂn A., Carretier, Sebastien (2018) Platinum-group element and gold enrichment in soils monitored by chromium stable isotopes during weathering of ultramafic rocks. Chemical Geology, 499. 84-99 doi:10.1016/j.chemgeo.2018.09.008 | Journal (article/letter/editorial) | | Geothermal Center of Excellence (CEGA), FCFM, Universidad de Chile, Santiago, Chile Department of Geosciences... RI Departmento de MineralogĂa y PetrologĂa, Facultad de Ciencias, Universidad de, Granada, Spain 4...Sweden 5 Departament de Mineralogia, Petrologia i Geologia Aplicada, Universitat de Barcelona (UB), MartĂ...FranquĂšs s/n, 08028 Barcelona, Spain GET, UniversiteÌ de Toulouse, CNRS, IRD, Toulouse, France NU 6 MA...platinum-group minerals (PGM), as reported in laterites from Brazil, the Dominican Republic and Australia (Gray et |  | | Journal (issue) | | iridescence observed in ârainbowâ hematite from Minas Gerais, Brazil. 40 DNA Techniques Applied to the Identification...iridescence in metamorphic ârainbowâ hematite from Brazil. The authors use electron microscopy, atomic force...colored by GR1 defects have been alluvial deposits in Brazil, Guyana, Venezuela, Zimbabwe, the Central African...never graded by GIA), and the 5.03 ct Aurora Green (Brazil), which sold at auction in 2016 for more than US...America has yielded a number of green diamonds from Brazil and Guyana (figure 7). Most show extensive surficial |  | Palero, F. J., Both, R. A., Arribas, A., Boyce, A. J., Mangas, J., Martin-Izard, A. (2003) Geology and Metallogenic Evolution of the PolymetallicDeposits of the Alcudia Valley Mineral Field, Eastern Sierra Morena, Spain. Economic Geology, 98 (3) 577-605 doi:10.2113/gsecongeo.98.3.577 | Journal (article/letter/editorial) | | Sierra Morena, Spain F. J. PALERO, Servicio de GeologĂa, Minas de AlmadĂ©n y Arrayanes S. A., 13400 AlmadĂ©n... Departamento de IngenierĂa GeolĂłgica, Escuela TĂ©cnica Superior de Ingenieros de Minas, RĂos Rosas 21...G75 OQF J. MANGAS, Departamento de FĂsica, Universidad de Las Palmas de Gran Canaria, 35017 Las Palmas...MARTIN-IZARD Departamento de GeologĂa, Universidad de Oviedo, JesĂșs Arias de Velasco s/n, 3305 Oviedo...fractures and are widely distributed through the district in rocks ranging from Neoproterozoic to Late Ordovician |  | | Report (issue) | | eoltlelearniaiaiaintaletetelvieiaialata eremeleie Cerro: de) Mercado: -DUrango \siale «+ \eoTarerelaiale oie...323 A. Rifle area, Colorado «0s... 323 B. Uravan District, Colorado 324 Cope tick Rock DIsEEIcL sCoLoradO)...324 DeeGkante District, New sMext Comer. clecetsls cused cists! 0/0 326 E. Shiprock District, UtahâArizona...UtahâArizona ....vccccsnens F. Monticello-Moab-Thompsons District, Utah .....secvceee 326 327 ee eeseeee Gig GE...eoe eeoeeeereoeseoeeeereeeeeeeeeeseeeeoe Rare de == aq no nocnoo0 ou Gounod do podouomadoooD . |  | | Book (volume) | | the important sources of gold reserves in this district. Sidorov et al. [7] studied ïŹuid inclusions from...system of the Fairview 6 Minerals 2021, 11, 488 mine, South Africa [32], VMS La Zarza, Migollas and Sotiel...(Au/Ag = 0.08). The annual output of the underground mine reached 5 Mt of Cu and Cu-Zn ore (>70 Kt Cu) [9... Bnâbornite, Cvâcovellite, Clcâchalcocite, Gtâgoethite, Dgâdigenite. According to the LA-ICPMS data...behavior of gold in the volcanogenic massive sulphide de-posits of the Iberian Pyrite Belt. Mineral. Dep. |
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