 | | 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; palladium-copper oxide ((Pd,Cu)O); and arsenopalladinite (Pds(As,Sb)3), with inclusions of palladium-copper...KEYWORDS:palladium minerals, palladseite, arsenopalladinite, CauE mine, Brazil, jacutinga. Introduction minerals...palladium-bearing gold ore of the Cau~ iron mine, Itabira District, Brazil, are reported and discussed in terms of |  | | Journal (article/letter/editorial) | | ATHENEITE, [Pd2][As0.75Hg0.25], FROM ITABIRA, MINAS GERAIS, BRAZIL: CRYSTAL STRUCTURE AND REVISION OF THE...data collected from a crystal from Itabira, Minas Gerais, Brazil. The structure is hexagonal, space group...prĂ©levĂ©es sur un cristal provenant dâItabira, Minas Gerais, BrĂ©sil. La structure est hexagonale, groupe...during a study of old samples from Itabira, Minas Gerais, Brazil, in the collections of the former British...Claringbull & Hey (1957) for the mineral arsenopalladinite, Pd3As. Clark et al. then stated âThe density |  | Raphael Cabral, A., Lehmann, B., Kwitko, R., Jones, R. D., Pires, F. R. M., Rocha Filho, O. G., Innocentini, M. D. (2001) Palladium-oxygenated compounds of the Gongo Soco mine, QuadrilĂĄtero FerrĂfero, central Minas Gerais, Brazil. Mineralogical Magazine, 65 (2) 169-179 doi:10.1180/002646101550208 | Journal (article/letter/editorial) | | mine, QuadrilaÌtero FerriÌfero, central Minas Gerais, Brazil A. RAPHAEL CABRAL1,*, B. LEHMANN1, R. KWITKO2...296 Caixa Postal 09, 33030-970 Santa Luzia-MG, Brazil 3 1636 East Skyline Drive, Tucson, AZ 85178, USA...Cidade UniversitaÌria, 21949-900 Rio de Janeiro-RJ, Brazil 5 Mineraça~o Socoimex Ltda., Fazenda Gongo Soco...Soco, Caixa Postal 42, 34800-000 CaeteÌ-MG, Brazil ABSTR ACT New data on the Gongo Soco palladium-oxygenated...âouro pretoâ, Gongo Soco, Itabira Iron Formation, QuadrilaÌtero FerrԎfero, Brazil. Introduction THE existence |  | | Journal (article/letter/editorial) | | Palladium arsenide-antimonides from habira, Minas Gerais, Brazil A. M. CLARK, A. J. C R I D D L E , AND E...5BD SUMMARY. The arsenopalladinite concentrates from Itabira, Minas Gerais, Brazil, have been found to...arsenide-antimonidesof palladium, namely arsenopalladinite, atheneite, and isomertieite. The second and...and third of these are new minerals. Arsenopalladinite, redefined, is Pds(As,Sb)2and triclinic with a...= IO'4, Dcalc = I0"46. In reflected light arsenopalladinite is white with a yellowish creamy hue. The |  | | Report (issue) | | Arsenopalladinite Pd8 (As, Sb)3 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Triclinic...92⊠530 ÎČ = 119âŠ300 X-ray Powder Pattern: Itabira, Brazil. 2.13 (100), 2.34 (60), 1.41 (40), 1.24 (30)...(1) 77.56 0.02 17.08 5.15 Total 99.81 (1) Itabira, Brazil; by electron microprobe, average of 13 grains;...isomertieite, quartz (Itabira district, Brazil); gpold, palladium, palladesite (CaueÌ mine, Brazil); stillwaterite...intrusion, Finland). Distribution: In Brazil, from Minas Gerais, in the Itabira district [TL], and at the Caue |  | | Report (issue) | | a = 12.283 Z=8 X-ray Powder Pattern: Itabira district, Brazil. 2.167 (100), 2.356 (90), 1.533 (70),...57 9.58 Total 99.01 100.43 100.00 (1) Itabira district, Brazil; by electron microprobe, corresponding...iron-precious metal deposits (Itabira district, Brazil). Association: Arsenopalladinite, atheneite, palladseite...hematite, gold (Itabira district, Brazil); chalcopyrite, millerite, kotulskite, arsenopalladinite, hematite... Distribution: In Brazil, in gold placers from the Itabira district, Minas Gerais [TL] and in the Serra |  | | Report (issue) | | light, white with bluish tint compared to arsenopalladinite. Luster: Metallic. Pleochroism: Very weak...798 c = 3.483 Z=2 X-ray Powder Pattern: Itabira, Brazil. 2.423 (vvs), 2.246 (vs), 1.371 (s), 1.302...96 13.79 0.47 0.08 < 0.07 17.48 100.93 (1) Itabira, Brazil; by electron microprobe; corresponds to (Pd2...Cu0.01 Au0.01 )ÎŁ=3.00 As1.09 . (2) Serra Pelada, Brazil; by electron microprobe, corresponds to (Pd2.67...Association: Arsenopalladinite, palladseite, isomertieite, hematite (Itabira, Brazil). Distribution: |  | | Journal (article/letter/editorial) | | Palladium arsenide-antimonides from ltabira. Minas Gerais, Brazil. Mineral. Mag. 39, S2B-543. Electron microprobe...from gold washings at ltabira, Brazil. Intergrowths with arsenopalladinite occur, and hematite inclusions...Palladium arsenide-antimonides from Itabira. Minas Gerais, Brazil. Mineral. Mag. 39, 528-543. Electron...gold washings at Itabira, Brazil. In one grain it was intergrown with arsenopalladinite, 1330 NEW MINERAL...group from the Borborema region, north-eastern Brazil. Mineral. Maq.39,571-576. Analysis by electron |  | | Report (issue) | | a = 10.635 Z=2 X-ray Powder Pattern: Itabira district, Brazil. 1.887 (vvs), 2.832 (vs), 2.571 (s), 2...(3) 60.43 100.63 100.00 39.57 (1) Itabira district, Brazil; by electron microprobe, corresponding...24 )ÎŁ=17.56 Se14.44 . (2) CaueÌ mine, Itabira district, Brazil; by electron microprobe, average of seven...washings (Itabira district, Brazil); in specularite and magnetite (CaueÌ mine, Itabira district, Brazil). Association:...Association: Arsenopalladinite, isomertieite, atheneite (Itabira district, Brazil); palladian gold, isomertieite |  | 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., 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 |  | | Journal (article/letter/editorial) | | MINERALOGICAL NOTES The data differ from those of arsenopalladinite (Clark et al., 1974; Cabri et al., 1977) and...Palladium arsenide-antimonides from Itabira, Minas Gerais, Brazil. Mineral. Mag., 39, 528-43. Stockley...Clark, A.M. and Chen, T.T. (1977) Arsenopalladinite from Itabira, Brazil, and from Stillwater complex, Montana |  | | Journal (article/letter/editorial) | | Technology] at 08:56 14 October 2014 for Which Brazil Is the Type Locality DANIEL ATENCIO Geoscience...05422-970 Slo Paulo, Brazil w h e r e are several minerals first described from Brazil, many of which are...(1962) in the Sapucain pegmatite, GalilCia, Minas Gerais. Brazil, and regarded as the type specimen, seems...a niiiieral from several occurrences, including Brazil. but none of the investigated qwcimens was designated...respectively. and the type speciniens reiiiain froin Brazil. The names tantdaeschynite-(Cc)( 1 0 6 X ~lcrrohalotrichite |  | 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) | | Soco iron ore mine, QuadrilĂĄtero FerrĂfero, Minas Gerais, Brazil Downloaded by [RMIT University Library]...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...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 |  | | Journal (article/letter/editorial) | | 3 Palladseite, a new mineral from Itabira, Minas Gerais, Brazil R. J. DAVIS, A. M. CLARK, AND A. J....the gold washing at Itabira, Minas Gerais, Brazil, associated with arsenopalladinite, isomertieite, and |  | 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) | | example from the CauĂȘ Mine, QuadrilĂĄtero FerrĂfero, Brazil H.F. Galbiatti a,â, M.A. Fonseca b , M.C. Pereira...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...Paleoproterozoic metasedimentary rocks in the Itabira District, a regional synclinorium with BIFs in...northeastern part of QuadrilatĂ©ro FerrĂfero, Minas Gerais. Structural analysis reveals two important features |  | | Journal (article/letter/editorial) | | type specimen of isomertieite from Itabira, Minas Gerais, Brazil, has been re-examined; a new electron...olAsl.99)z4.oo. Type isomertieite (Itabira, Minas Gerais, Brazil) recalculated to 15 atoms (Pdl 0.66Cu0...l 1Sb2As2 9Type isomertieite (from Itabira, Minas Gerais, Brazil) departs slightly from an As/Sb ratio...one grain of the type specimen from Itabira, Minas Gerais, Brazil. The equipment used was a Zeiss MPM03...are indistinguishable in shape from those of the Itabira type specimen (fig. 4) they do differ in being |  | | Journal (article/letter/editorial) | | Barbosa in the Jonas mine, Itatiaia district, Minas Gerais, Brazil (1993). T Brazilian mineral specimens...mineralogy of pegmatites, particularly those in Minas Gerais, around Linopolis, Galiliia, and at the Golconda...minerals from the Cau&iron-ore deposit at Itabira, Minas Gerais, where independent miners were digging palladium-bearing...brought to the market samples of palladseite, arsenopalladinite, and native palladium. His keen eyes and knowledge...led to many significant discoveries. Anywhere in Brazil where something interesting was to be found, Carlos |  | | Journal (article/letter/editorial) | | minerals in the system PdâAsâSb, such as arsenopalladinite, Pd8(As,Sb) 3 (Cabri et al. 1977), mertieite...LARK , A.M. & C HEN , T.T. (1977): Arsenopalladinite from Itabira, Brazil, and from the Stillwater Complex...Palladium arsenideâantimonides from Itabira, Minas Gerais, Brazil. Mineral. Mag. 39, 528-543. STUMPFL |  | Olivo, Gema Ribeiro, Gauthier, Michel, Bardoux, Marc, Leao de Sa, Euripedes, Fonseca, Jose Teotonio F., Santana, Fernando Carbonari (1995) Palladium-bearing gold deposit hosted by Proterozoic lake superior-type iron-formation at the Caue iron mine, Itabira District, southern Sao Francisco Craton, Brazil; geologic and structural controls. Economic Geology, 90 (1) 118-134 doi:10.2113/gsecongeo.90.1.118 | Journal (article/letter/editorial) | | at the Cau Iron Mine, Itabira District, Southern SaoFrancisco Craton,Brazil: GeologicandStructuralControls...Dote, Itabira, MinasGerais,Brazil 35900-900 Abstract The Cauâą iron mine is located in the Itabira district...conglomerates cludingthe QuadrilfiteroFerrlfero and the Itabira dis- Gandarelaprospect),graphitic phyllites (Passagemde... IRON-FORMATION-HOSTED Pd-AuDEPOSIT,CAUJâą MINE,BRAZIL 119 the highest grades are aligned parallel to...t hoststhe gold ----'] ARCHEANESPINHAâą,O S.G. MINAS S.G RIO DAS VELHAS SG PROTEROZOIC GRANITE-GNEISS |  | Vuorelainen, Y., Haekli, T. A., Haenninen, E., Papunen, Heikki, Reino, J., Toernroos, R. (1982) Isomertieite and other platinum-group minerals from the Konttijaervi layered mafic intrusion, northern Finland. Economic Geology, 77 (6) 1511-1518 doi:10.2113/gsecongeo.77.6.1511 | Journal (article/letter/editorial) | | microprobeand XRD--mertieite II, palladoarsenide, and arsenopalladinite or an unnamedPdaAsz mineral--recognizedby...= palladoarsenide; B -- unknown PdsAs2or arsenopalladinite; C = unknown (Pd,Cu)7(As,Sb)2; D unnamedPd5Asâą(Cabri...alluvialsandsfrom Itabira, Minas plex intergrowthswith mertieite, majakite,and palGerais,Brazil (Clark et al...= analyses arsenide-antimonidesfrom Itabira, Minas Gerais, Brazil: Mineralog.Mag., v. $9, p. 528-545. |  | | Journal (article/letter/editorial) | | Sonora, cesbronite, 744; quetzalcoatlite, 26i Brazil Igarapd Jornal, Serra do Navio, Amapd, nigerite...cassiterite, tourmaline, gahnite, 837 Itabira, Minas" Gerais, arsenopalladinite, atheneite, isomertieite, (?)...palladinite (mercurian), Pd selenide, 528 Itinga, Minas Gerais, eosphorite, 895 Raposa pegmatite, S~o Josd |  | 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) | | âjacutingaâ type ores, in Minais Gerais and Serra Pelada in Brazil (Clark et al. 1974, Davis et al. 1977...Australia (Nickel 2002), and from Gongo Soco in Minas Gerais, Brazil (Cabral & Lehmann 2007). Verbeekite is known...(Olsen et al. 1979). Palladseite was described from Itabira as an unnamed mineral by Clark et al. (1974), and...the CauĂȘ iron mine in Itabira palladseite, palladian gold, and arsenopalladinite were formed during the...from the Serra Pelada Au-Pd-Pt deposit, northern Brazil by Cabral et al. (2002) and Cabral & Lehmann (2007) |  | | Journal (article/letter/editorial) | | wavelength a) stibiopatladinite/ge nkinite b) arsenopalladinite/palladobismutharsenide c) plumbopalladmit...ite/paolovite g) moncheite/kotulskite h) arsenopalladinite/ptumbopall adinite i) prassoite/xingzhongCte...Pt2 FeCu 6 t. 1-66.3 420-456 b tetr. arsenopalladinite Pd8 As2.s S b o . 5 51.0-53.3 379-449 a...Palladium arsenide-antimonides from Itabira, Minas Gerais, Brazil. Min. Mag. 39,528-543. Evstigneeva, |  | Barkov, A. Y., Fleet, M. E., Martin, R. F., Halkoaho, T. A.A. (2005) New data on "Bonanza"-type PGE mineralization in the Kirakkajuppura PGE deposit, Penikat layered complex, Finland. The Canadian Mineralogist, 43 (5) 1663-1686 doi:10.2113/gscanmin.43.5.1663 | Journal (article/letter/editorial) | | et al. 1992), or âpalladiniteâ [(Pd,Cu)O] from Brazil (up to 8.4 wt.% CuO: Olivo & Gauthier 1995). We...alteration of maficâultramafic rocks at Minas Gerais, Brazil (Fleet et al. 2002). Skaergaarditeâhongshiite...hematite-rich âjacutingaâ mineralization, Minas Gerais, Brazil (Kwitko et al. 2002). There appear to be...stillwaterite, hexagonal Pd8As3 (Cabri et al. 1975), arsenopalladinite, triclinic Pd8(As,Sb)3 (Cabri et al. 1977)...was also reported from the CauĂȘ iron mine, Minas Gerais, Brazil (Olivo et al. 1994). Relative abundances |
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Itabira, Minas Gerais, Brazil