 | Lord, R. A., Prichard, H. M., S.SA, J. H., Neary, C. R. (2004) Chromite Geochemistry and PGE Fractionation in the Campo Formoso Complex and Ipueira-Medrado Sill, Bahia State, Brazil. Economic Geology, 99 (2) 339-363 doi:10.2113/gsecongeo.99.2.339 | Journal (article/letter/editorial) | | Fractionation in the Campo Formoso Complex and Ipueira-Medrado Sill, Bahia State, Brazil R. A. LORD,† Clean...de Geociências, Universidade Federal da Bahia, Salvador, Brazil AND C. R. NEARY Formerly at Natural Environment...retrograde alteration and serpentinization. In Campo Formoso a deeply eroded stratiform complex contains...orthopyroxene relicts in an upper unit at the Cascabulhos mine. Microprobe studies of chromite-rich specimens from...for mineralization elsewhere in the sill. At Campo Formoso the alternation of PGE-enriched chromitite and |  | | Journal (article/letter/editorial) | | Economic Geology, v. 108, pp. 1753–1771 The Limoeiro Deposit: Ni-Cu-PGE Sulfide Mineralization Hosted...Conduit in the Borborema Province, Northeastern Brazil Jonas Mota-e-Silva,1,2,† Cesar Fonseca Ferreira...01037-912, Brazil 2 Instituto de Geociências, Universidade de Brasília, Brasília, DF. 70910-900, Brazil Abstract...Abstract The Limoeiro deposit, located in a high-grade mobile belt of the Brasiliano orogenic cycle (650–500...age of the ultramafic intrusion that hosts the Limoeiro deposit is not yet known, but regional geologic |  | | Journal (article/letter/editorial) | | Ipueira-Medrado Sill, São Francisco Craton, Bahia State, Brazil JULIANA CHARÃO MARQUES† Instituto de Geociências...Caixa Postal 15001, CEP 91501-970, Porto Alegre-RS, Brazil AND CESAR FONSECA FERREIRA FILHO Instituto de...Universitário, Asa Norte, Brasília-DF, CEP 70910-900, Brazil Abstract The Ipueira-Medrado mafic-ultramafic...mafic-ultramafic sill hosts the largest chromite deposit in Brazil. The sill is a 7-kmlong and 300-m-thick elongated...toward the top in this zone and grades to an orthopyroxenite at the top. The presence of magmatic intercumulus |  | Mota-e-Silva, J., Prichard, H. M., Filho, C. F. Ferreira, Fisher, P. C., McDonald, I. (2015) Platinum-group minerals in the Limoeiro Ni–Cu–(PGE) sulfide deposit, Brazil: the effect of magmatic and upper amphibolite to granulite metamorphic processes on PGM formation. Mineralium Deposita, 50 (8) 1007-1029 doi:10.1007/s00126-015-0585-0 | Journal (article/letter/editorial) | | Platinum-group minerals in the Limoeiro Ni–Cu–(PGE) sulfide deposit, Brazil: the effect of magmatic and...Springer-Verlag Berlin Heidelberg 2015 Abstract The Limoeiro Ni–Cu–(platinum-group elements (PGE)) deposit...igneous tubular conduit system in northeastern Brazil. Representative ores from the deposit have been...13212-161, Brazil 2 Instituto de Geociências, Universidade de Brasilia, Brasília, DF 70900-970, Brazil 3 ...blebs that formed and were transported within the Limoeiro magma conduit. Keywords Platinum-group-minerals |  | Mota-E-Silva, Jonas, Prichard, Hazel M., Suárez, Saioa, Ferreira Filho, Cesar F., Fisher, Peter C. (2016) Supergene Alteration of Platinum-Group Minerals and the Formation of Pd-Cu-O and Pd-I-O Compounds In the Limoeiro Ni-Cu-(PGE) Deposit, Brazil. The Canadian Mineralogist, 54 (3) 755-778 doi:10.3749/canmin.1500049 | Journal (article/letter/editorial) | | Pd-Cu-O AND Pd-I-O COMPOUNDS IN THE LIMOEIRO Ni-Cu-(PGE) DEPOSIT, BRAZIL JONAS MOTA-E-SILVA Votorantim Metais...05423-180, Brazil University of Brasilia, Geosciences Institute, Brası́lia/DF, 70900-970, Brazil HAZEL M...Geosciences Institute, Brası́lia/DF, 70900-970, Brazil PETER C. FISHER School of Earth and Ocean Science...weathering of platinum-group minerals (PGM) in the Limoeiro nickel-copper and platinum-group element [Ni-Cu-(PGE)]...over the base metal sulfide-rich parts of the Limoeiro primary ore. The mobility of Pt is very dependent |  | | Journal (article/letter/editorial) | | Chromite Deposit of the Ipueira±Medrado Sill, Bahia, Brazil J. C. MARQUES1 *, C. F. FERREIRA FILHO2 , R...BENTO GONCËALVES 9500, PORTO ALEGRE-RS, 91509-900, BRAZIL 2 INSTITUTO DE GEOCIEÃNCIAS, UNIVERSIDADE DE BRASIÂLIA-UNB...UNIVERSITAÂRIO, ASA NORTE, BRASIÂLIA-DF, 70910-900, BRAZIL 3 DEPARTMENT OF TERRESTRIAL MAGNETISM, CARNEGIE...Marcelo Gama 1038/ 404, Porto Alegre-RS, 90540-041, Brazil. Telephone: 55-51-30295030. Fax: 55-51-3221-3298...Great Dyke, Zimbabwe (Wilson, 1982), and Bacuri, Brazil (Spier & Ferreira Filho, 2001) intrusions. Recent |  | | Journal (article/letter/editorial) | | for the PGE-mineralized magmatism in Carajás, Brazil Eduardo Teixeira Mansur, Cesar Fonseca Ferreira...for the PGE-mineralized magmatism in Carajás, Brazil, LITHOS (2016), doi:10.1016/j.lithos.2016.09.036...constraints for the PGE-mineralized magmatism in Carajás, Brazil SC R IP Authors: Eduardo Teixeira Mansur¹ and...Universidade de Brasília, Brasília-DF, 70910-900, Brazil. email: etmansur@gmail.com 2 Instituto de Geociências...Universidade de Brasília, Brasília-DF, 70910-900, Brazil. email: cesarf@unb.br AC CE P TE D Corresponding |  | | Journal (article/letter/editorial) | | Pre-proofs The Luanga deposit, Carajás Mineral Province, Brazil: different styles of PGE mineralization hosted... The Luanga deposit, Carajás Mineral Province, Brazil: different styles of PGE mineralization hosted... The Luanga deposit, Carajás Mineral Province, Brazil: different styles of PGE mineralization hosted...70910-900, Brazil. ² VALE S/A, Av. Getulio Vargas, 671/13º, 30112-020, Belo Horizonte, MG, Brazil ³ Present...sulfide- and chromite-free harzburgite and orthopyroxenite. These mineralized rocks do not show any distinctive |  | | 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,...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...significant in Canada, United States, Australia, Africa, Brazil, New Caledonia, Philippines, Indonesia, and the |  | Barnes, Stephen J., Mole, David R., Hornsey, Richard, Schoneveld, Louise E. (2019) Nickel-Copper Sulfide Mineralization in the Ntaka Hill Ultramafic Complex, Nachingwea Region, Tanzania. Economic Geology, 114 (6) 1135-1158 doi:10.5382/econgeo.4677 | Journal (article/letter/editorial) | | (Finland) as an intermediate stage and Mirabela (Brazil) as the layered intrusion end member. Introduction...Maier et al., 2011), Mirabela, Brazil (Barnes et al., 2011c), Limoeiro, Brazil (Mota-e-Silva et al., 2011)...zoned with respect to grade, also Cr-rich orthopyroxenite component grew from Si-rich chroforming tubular...that includes fold clo- tive mixed dunite-orthopyroxenite rock types, where dunite sures and localized...observed in the appears to be net veined by orthopyroxenite on a scale of cencountry rock external to the |  | | Journal (article/letter/editorial) | | Ni-Cu-PGE deposit is the only past-producing nickel mine (1958–1974) in the Canadian Cordillera of British...remains British Columbia’s only past-producing nickel mine (1958–1974), having produced ~4.2 Mt of ore with... Chinaman Pride of Emory Upper 4600 1900 ad mine ro 5481000 mN 5481000 mN R id ge 606500 mE...the Giant Mascot ultramafic suite along the upper mine road (Fig. 2). Deformation features of the Spuzzum...Settler schist Orebodies (projected to surface) Mine tunnels Map symbols road (dirt) stream or river |  | | Journal (article/letter/editorial) | | in the evaluation of a deposit and planning of a mine or quarry, completely separate from the exploration...The area is the site of Greenland’s only producing mine, due to close end 2013 (http://angelmining.com/)...characteristics of Au mineralisation in the Pb–Zn–Ag Balya mine, NW Turkey: a separate mineralisation system? M...deposit research using legacy collections and historic mine sites: a case study of tungsten (-bismuth) mineralisation...1950s. The last tungsten mine, Castle-an-Dinas, closed in 1957. The Hemerdon mine in south Devon operated |  | | Book (edition) | | Salinas, Peru, H Variscite, xx 5 mm, Iturnbiara, Brazil, H Rhodocbrosite, polished, 50 mm, Capillitas,... China, H Page 1: MuscO\ite. 45 mm, Linopolis, Brazil, H Page 2: Vivianite, I 00 mm, Huanzala, Bolivia...Brazilianite, 35 mm, Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed...Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO...Harding Co .. South Dakota. and at the Fuemrole No2 mine, Emery co .. Utah. Also at Menzenschwand Scbwarzwald |
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