| | Journal (article/letter/editorial) | platinum from ouro preto-bearing mineralisation in Brazil Alexandre Raphael Cabral a,b,â, Bernd Lehmann a...that triggered two major gold rushes in Brazil (Minas Gerais and Serra Pelada). The auriferous mineralisations...mineralisations of Gongo Soco and Itabira, Minas Gerais, and Serra Pelada, ParĂĄ, have PdâO-bearing, dark-coloured...tischendorfite, Pd8Hg3Se9, an argentiferous palladseite-like phase, empirical Pd5(Hg,Sb,Ag)2Se6 and (Pd...Hg)5Se4, at Gongo Soco; palladseite, ideally Pd17Se15, and sudovikovite, PtSe2, at Itabira; and, exclusively | | | Journal (article/letter/editorial) | Tischendorfite forms stable assemblages with palladseite (Pd17Se15), tiemannite (HgSe), potarite (PdHg)...stable assemblages with PdSe2 (orthorhombic), palladseite (Pd17Se15), tischendorfite (Pd8Hg3Se9), and tiemannite...(potarite), palladseite (Pd17Se15), and other Pd-rich binary palladium selenides. Palladseite forms limited...HgâPdâSe: tiemannite (HgSe), potarite (PdHg), palladseite (Pd17Se15), verbeekite (PdSe2), and tischendorfite...England (Paar et al. 1998) and the Musonoi Cu-Co-Mn-U mine in the Democratic Republic of Congo (Roberts et | | 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...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...is hosted by the Itabira Iron Formation of Harder and Chamberlin,18 i.e. the Itabira Group of Dorr,11 | | 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) | AuâPdâPt MINERALIZATION (JACUTINGA), ITABIRA DISTRICT, MINAS GERAIS, BRAZIL ROGERIO KWITKO§ Centro de Desenvolvimento...Doce, BR 262/ km 296, 33030-970 Santa Luzia â MG, Brazil ALEXANDRE R. CABRAL§ AND BERND LEHMANN Institut...Sul, Companhia Vale do Rio Doce, 35900-900 Itabira-MG, Brazil ABSTRACT Hongshiite occurs associated with...mineralization of the QuadrilĂĄtero FerrĂfero, central Minas Gerais, Brazil. Hongshiite occurs in grains up to about...mineralization, Itabira Iron Formation, QuadrilĂĄtero FerrĂfero, Minas Gerais, Brazil. SOMMAIRE La hongshiite | | 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...Doce, BR 262/ km 296, 33030-970 Santa Luzia â MG, Brazil CARLOS HENRIQUE CRAVO COSTA Diretoria de Metais...Serra dos CarajĂĄs, 68516-000 Parauabepas â PA, Brazil ABSTRACT The Serra Pelada garimpo (1980â1984)...PdâHgâSe and PdâBiâSe phases, and sudovikovite and palladseite). They define an AsâSbâHgâSe mineral assemblage...Serra Pelada garimpo, CarajĂĄs mineral province, Brazil. SOMMAIRE Le garimpo de Serra Pelada (1980â1984) | | Cabral, A. R., Lehmann, B., Sattler, C. D., Pires, F. R. M., Kaneko, K. (2002) HgâTl-bearing manganese oxide from Conta HistĂłria manganese deposit, QuadrilĂĄtero Ferrifero, Minas Gerais, Brazil. Applied Earth Science, 111 (2) 123-127 doi:10.1179/aes.2002.111.2.123 | Journal (article/letter/editorial) | Ferrifero, Minas Gerais, Brazil occur in the Palaeoproterozoic Itabira Iron Formation (Itabira Group)....FerrĂfero, the world-class iron district of Minas Gerais, Brazil, numerous manganese oxide deposits Table...deposit comprises rocks of the Palaeoproterozoic Itabira Iron Formation metamorphosed 2 3 4 5 6 7...The Itabira Iron Formation,25 or the Itabira Group,20 consists predominantly of itabirites (CauĂȘ Formation)...age of 2400 m.y.,2 the Itabira Iron Formation is the middle unit of the Minas Supergroup, which includes | | VymazalovĂĄ, A., Chareev, D. A., Kristavchuk, A. V., Laufek, F., DrĂĄbek, M. (2014) The Ag-Pd-Se system: phase relations involving minerals and potential new minerals. The Canadian Mineralogist, 52 (1) 77-89 doi:10.3749/canmin.52.1.77 | Journal (article/letter/editorial) | of Ag decreasing with increasing temperature. Palladseite (Pd17Se15) forms a limited solid solution and...and veerbekite (PdSe2); it also coexists with palladseite (dissolving 7 wt.% Ag). The phase is stable up...be expected in associations with the mineral palladseite, among other selenides. Finding these phases...diagram, platinum-group minerals, chrisstanleyite, palladseite, AgâPd selenides Introduction In addition to...the AgâPdâSe system comprises four minerals: palladseite (Pd17Se15), verbeekite (monoclinic PdSe2), naumannite | | Koglin, Nikola, Cabral, Alexandre Raphael, Brunetto, Wilson JosĂ©, VymazalovĂĄ, Anna (2012) Goldâtourmaline assemblage in a Witwatersrand-like gold deposit, Ouro Fino, QuadrilĂĄtero FerrĂfero of Minas Gerais, Brazil: the composition of gold and metallogenic implications. Neues Jahrbuch fĂŒr Mineralogie - Abhandlungen Journal of Mineralogy and Geochemistry, 189 (3) 263-273 doi:10.1127/0077-7757/2012/0223 | Journal (article/letter/editorial) | deposit, Ouro Fino, QuadrilĂĄtero FerrĂfero of Minas Gerais, Brazil: the composition of gold and metallogenic...Moeda Formation of the Minas Supergroup, QuadrilĂĄtero FerrĂfero of Minas Gerais, Brazil, has visible gold...relatively more oxidised rocks of the overlying Itabira Group. Key words: gold, tourmaline, mercury, Ouro...metasedimentary Minas Supergroup of the QuadrilĂĄtero FerrĂfero of Minas Gerais, Brazil, has gold compositions...(GUERRA 2004). This period precedes the underground mine workings in the greenstone rocks (e.g., HENWOOD | | | Journal (article/letter/editorial) | minerals from the Caua iron mine, Itabira District, Minas Gerais, Brazil GFMA RIBEIROOLIVOANDMICHELGAUTHIER...minerals from the Cau~ iron mine, Itabira District, Minas Gerais, Brazil, are found in goldrich jacutinga...palladium with trace contents of Au, Fe and Cu; palladseite ((Pd,Cu,HghTSeis), which was found in the core...KEYWORDS:palladium minerals, palladseite, arsenopalladinite, CauE mine, Brazil, jacutinga. Introduction...palladium-bearing gold ore of the Cau~ iron mine, Itabira District, Brazil, are reported and discussed in terms | | 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...Federal de Ouro Preto. 35.400-000, Ouro Preto, MG, Brazil Received 1 December 2001; accepted 31 March 2005...Jacutinga. The main orebodies are hosted within the CauĂȘ Syncline, a SW-verging fold that involves Paleoproterozoic...Paleoproterozoic metasedimentary rocks in the Itabira District, a regional synclinorium with BIFs in the core | | El Ghorfi, Mustapha, OberthĂŒr, Thomas, Melcher, Frank, LĂŒders, Volker, El Boukhari, Abdelmajid, Maacha, Lhou, Ziadi, Rachid, Baoutoul, Hssain (2006) Goldâpalladium mineralization at BleĂŻda Far West, Bou AzzerâEl Graara Inlier, Anti-Atlas, Morocco. Mineralium Deposita, 41 (6) 549-564 doi:10.1007/s00126-006-0077-3 | Journal (article/letter/editorial) | ite, merenskyite, keithconnite, kotulskite, palladseite, and sperrylite, defining a AuâPdâAsâSbâ SeâTe...Common to all AuâPd mineralizations worldwide (Brazil, Australia, UK), including BleĂŻda Far West, is...mineralization some 7 km NW of the former BleĂŻda copper mine. Managem, a subsidiary of the ONA group, intends...Bi-rich variant of keithconnite [âŒPd20(Te,Bi)7], palladseite (Pd17Se15), merenskyite (PdTe2), merenskyiteâmoncheite...PGM shown are 1 mertieite-I/ isomertieite, 2 palladseite, 3 kotulskite, 4 merenskyite, 5 sperrylite, 6 | | 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...296, Caixa Postal 09, 33030-970 Santa Luzia-MG, Brazil AND C.H. CRAVO COSTA Companhia Vale do Rio DoceâCVRD...51, Serra dos CarajĂĄs, 68516-000 Parauabepas-PA, Brazil Abstract A historic drill core from the Serra...âstibio-guangliniteâ (Pd3[As,Sb]), sudovikovite (PtSe2), palladseite (Pd17Se15), and an unnamed Pd-Pt-Se alloy. The...a Pd-Pt-Se phase, sudovikovite (PtSe2), and palladseite (Pd17Se15) (Fig. 5B and C). Two palladium arsenides | | 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...Xavier 524 s. A4016, 20550-050 Rio Janeiro-RJ, Brazil 4 Curt-Engelhorn-Zentrum 5 Centro ArchĂ€ometrie...Luzia-MG, Brazil 6 Votorantim Metais, Praça Ramos de Azevedo 206, 01037-010 SĂŁo Paulo-SP, Brazil Abstract...240-km-long, north-trending Au-Pd-Pt belt in Minas Gerais, Brazil, which hosts hydrothermal Pd-Ptâbearing...its southern part (QuadrilĂĄtero FerrĂfero and Itabira district) and alluvial Pd-Pt-Au mineralization | | Oliveira, Lucilia Aparecida Ramos de, Rios, Francisco Javier, RosiĂšre, Carlos Alberto, WĂ€lle, Markus, Ortelli, Melissa, Kouzmanov, Kalin (2017) Nature and evolution of fluids associated with specularite-bearing Fe and Au-PGE (Jacutinga) mineralization during the Brasiliano orogeny in the eastern SĂŁo Francisco Craton, Minas Gerais, Brazil. Ore Geology Reviews, 86. 130-153 doi:10.1016/j.oregeorev.2017.02.017 | Journal (article/letter/editorial) | orogeny in the eastern SĂŁo Francisco Craton, Minas Gerais, Brazil Lucilia Aparecida Ramos de Oliveira a,â...Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais 31270-901, Brazil Centro de Desenvolvimento...Tecnologia Nuclear, CDTN, 31270-901 Belo Horizonte, MG, Brazil c Institute of Geochemistry and Petrology (IGP)...aqueous-carbonic fluid from the Catas Altas and Itabira deposits. These Jacutinga-type fluids present a...Maria de Itabira. The high salinity of these brines (23.2â25.3 wt% NaCleqv) from the Itabira ore likely | | 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...compound, ouro preto nugget, Gongo Soco, Minas Gerais, Brazil. SOMMAIRE Lâexistence dâhydrogĂšne dans...pĂ©pite de ouro preto prĂ©levĂ©e Ă Gongo Soco, Minas Gerais, Brazil, est confirmĂ©e par une analyse par dĂ©tection...contenant PdâO, pĂ©pite de ouro preto, Gongo Soco, Minas Gerais, BrĂ©sil. INTRODUCTION Evidence for the existence | | Chapman, R. J., Leake, R. C., Bond, D. P. G., Stedra, V., Fairgrieve, B. (2009) Chemical and Mineralogical Signatures of Gold Formed in Oxidizing Chloride Hydrothermal Systems and their Significance within Populations of Placer Gold Grains Collected during Reconnaissance. Economic Geology, 104 (4) 563-585 doi:10.2113/gsecongeo.104.4.563 | Journal (article/letter/editorial) | systems from several regions, including Australia, Brazil, Poland, and the United Kingdom. The distinctive...= Hope Cove, 11 = Wadham Rocks, 12 = Loddiswell mine. Localities in the Lammermuir Hills (adapted from...modification to Au-Pd alloys from the CauĂȘ iron mine, Itabira district, Brazil, was investigated by Olivo and...precipitation of Au-Pd at the Conceição iron mine, Itabira district, Brazil, following high-temperature (600°C)...percent Ag recorded in gold grains from the Lubin mine within the Kupferscheiffer of Poland (Kucha and | | | Journal (article/letter/editorial) | Palladian gold from the Cau iron mine, Itabira District, Minas Gerais, Brazil G. R. OLIVO,M. GAUTHIERAND M...Palladian gold from the Cau~ iron mine, Itabira District, Minas Gerais, Brazil is found in horizons of hydrothermally-altered...of Sl-fabrics. K~VWOROS: gold, palladium, Itabira, Brazil, iron-formation, jacutinga. Introduction IT...Devon, England (Clark and Criddle, 1982); and in Brazil from the Serra Pelada deposit, in Par~ State (Meireles...1993), all in Minas Gerais State. The palladian gold occurrences in Minas Gerais, Brazil, discussed in | | | Journal (article/letter/editorial) | formula corresponds reasonably well to that of palladseite, Pd17Se15 (Davis et al. 1977), except for the...of Hg and Cu present in the mineral. However, palladseite is isotropic, whereas this mineral is highly...PdâCu oxide reported from an iron mine in the Itabira District of Brazil (Olivo & Gauthier 1995) is believed...CRIDDLE, A.J. (1977): Palladseite, a new mineral from Itabira, Minas Gerais, Brazil. Mineral. Mag. 41, 123...Palladium minerals from the CauĂȘ iron mine, Itabira District, Minas Gerais, Brazil. Mineral. Mag. 59, 455-463 | | Cabral, A. R., Lehmann, B., Galbiatti, H. F., Rocha Filho, O. G. (2006) Evidence for metre-scale variations in hematite composition within the Palaeoproterozoic Itabira Iron Formation, Minas Gerais, Brazil. Mineralogical Magazine, 70 (5) 591-602 doi:10.1180/0026461067050352 | Journal (article/letter/editorial) | within the Palaeoproterozoic Itabira Iron Formation, Minas Gerais, Brazil A. R. CABRAL1,*, B. LEHMANN2...Germany 3 Companhia Vale do Rio Doce, Itabira MG, 35900-900, Brazil 4 Companhia Vale do Rio Doce, Fazenda...Fazenda Gongo Soco, BaraÌo de Cocais MG, 35970-000, Brazil 2 ABSTR ACT Hematite is a mineral the chemical...deposits, CaueÌ (Itabira district) and Gongo Soco, in the Palaeoproterozoic Itabira Iron Formation, QuadrilaÌtero...QuadrilaÌtero FerrıÌfero of Minas Gerais, Brazil, has revealed distinct variations in chemical composition | | | Journal (article/letter/editorial) | 1.219 THE SULFIDES AND SELENIDES OF THE MUSONOĂ MINE, KOLWEZI, KATANGA, DEMOCRATIC REPUBLIC OF CONGO...the Thrust-Slice â2400ââ of the MusonoĂŻ Extension mine, Katanga, Democratic Republic of Congo, has provided...selenides, digeniteâberzelianite solid solution, MusonoĂŻ mine, Katanga, Democratic Republic of Congo. Sommaire...Ă©tude de la minĂ©ralisation de lâEcaille â2400â de la mine de MusonoĂŻ Extension, Katanga, RĂ©publique DĂ©mocratique...responsable de la minĂ©ralisation exceptionnelle de la mine de MusonoĂŻ, sâexprime par la cristallisation prĂ©coce | | Paar, Werner H., Topa, Dan, Makovicky, Emil, Sureda, Ricardo J., de Brodtkorb, Milka K., Nickel, Ernest H., Putz, Hubert (2004) JaguĂ©ite, Cu2Pd3Se4, a new mineral species from El Chire, La Rioja, Argentina. The Canadian Mineralogist, 42 (6) 1745-1755 doi:10.2113/gscanmin.42.6.1745 | Journal (article/letter/editorial) | which is the closest settlement to the El Chire mine. Both the mineral and the mineral name were approved...rappelle le village de JaguĂ©, le plus proche de la mine El Chire. La nouvelle espĂšce et son nom ont reçu...Tinogasta (scale 1:250000), sheet 2969âII (1986), the mine is situated 30 km west of the small JAGUĂITE,...(including Las Asperezas, Tuminico). b) El Chire mine, underground, with an exposure of the oxidized selenide...who typed the manuscript. mine, QuadrilĂĄtero FerrĂfero, Minas Gerais, Brazil. Mineral. Mag. 66, 327-336 | | Prichard, Hazel M., Knight, Robert D., Fisher, Peter C., McDonald, Iain, Zhou, Mei-Fu, Wang, Christina Y. (2013) Distribution of platinum-group elements in magmatic and altered ores in the Jinchuan intrusion, China: an example of selenium remobilization by postmagmatic fluids. Mineralium Deposita, 48 (6) 767-786 doi:10.1007/s00126-013-0454-7 | Journal (article/letter/editorial) | serpentinization as for example in the Bacuri complex in Amapa Brazil (Prichard et al. 2001) in the Shetland ophiolite...Nose, Devon UK Chrisstanleyite (Ag2Pd3Se4) Palladseite (Pd17Se15) milotaite (PdSbSe) Copper Hills,...(Pd8Hg3Se9) MusonoĂŻ Mine, DRC Harz Mts, Germany PĆedboĆice Czech Rep. Serra Pelada, Brazil Milotaite Cavalcante...Cavalcante Brazil Kalungaite (PdAsSe) padmaite (PdBiSe) Gongo Soco MG Brazil Chrisstanleyite Pd8Hg3Se9...Sudovikovite palladseite Itabira MG Brazil CauĂȘ MG Brazil Sudovikovite (PtSe2), palladseite , Pd-Pt-Se | | Hazen, R. M., Golden, J., Downs, R. T., Hystad, G., Grew, E. S., Azzolini, D., Sverjensky, D. A. (2012) Mercury (Hg) mineral evolution: A mineralogical record of supercontinent assembly, changing ocean geochemistry, and the emerging terrestrial biosphere. American Mineralogist, 97 (7) 1013-1042 doi:10.2138/am.2012.3922 | Journal (article/letter/editorial) | including the New AlmadĂ©n mine in Santa Clara County and the New Idria mine in San Benito County (two...(14â16 wt%) at the type locality of Itabira, Minas Gerais, Brazil, and at Serra Pelada (Serra Leste) Au-(Pd-Pt)...Au-(Pd-Pt) deposit, ParĂĄ, Brazil (Bindi 2010). However, we have not included the questionable mineral...070277, in massive and drusy quartz from the Socrates mine, Sonoma County, California; (b) cinnabar (HgS),...070463, with malachite and calcite, from the Tsumeb mine, Namibia. in the famous deposits of Broken Hill | | | Journal (issue) | Thirty-four, Number Four Articles The El Desierto sulfur mine, PotosĂ, Bolivia . . . . . . . . . . . . . . . ...Famous mineral localities: The Pacajake selenium mine, PotosĂ, Bolivia . . . . . . . . . . . . . . . ...Alfenas, Minas Gerais, Brazil on January 7, 1917. He graduated from the University of Minas Gerais (Belo...1980 when he paid me a visit at the Jacupiranga mine; somehow he had learned of my mineralogical researches...studies of the mineralogy of the now-famous Brumado mine in Bahia, recovering countless superb crystal specimens | | | Report (issue) | white areas). Sample is from the Buckskin National Mine, Humboldt County, Nevada. Photograph by Peter Vikre...............................................Q26 Mine Waste Characteristics.............................1989). The total U.S. supply was always higher than mine production during this period, with a high of 831...as indicated in fig Q3.) The difference between mine production and total supply was owing to the refineriesâ...of selenium-rich high-grade ores from the Horne Mine at Noranda, Quebec, Canada; by 1950, Canadaâs production |
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