 | Cabral, A. R., Lehmann, B., Sattler, C. D., Pires, F. R. M., Kaneko, K. (2002) Hg–Tl-bearing manganese oxide from Conta História manganese deposit, Quadrilátero Ferrifero, Minas Gerais, Brazil. Applied Earth Science, 111 (2) 123-127 doi:10.1179/aes.2002.111.2.123 | Journal (article/letter/editorial) | | oxide from Conta História manganese deposit, Quadrilátero Ferrifero, Minas Gerais, Brazil occur in the...the Palaeoproterozoic Itabira Iron Formation (Itabira Group). Although some deposits have been investigated...geochemical data on the manganese ore of the Conta História manganese oxide deposit, which are presented...Quadrilátero Ferrífero, the world-class iron district of Minas Gerais, Brazil, numerous manganese oxide deposits...21:16 25 March 2016 Geological setting and Conta História deposit Situated in the eastern part of the |  | | Journal (article/letter/editorial) | | Quadrilátero Ferrífero of Minas Gerais, Brazil: petrographic evidence from the Gongo Soco iron ore deposit A. R...high-grade soft hematite ore from Gongo Soco, Minas Gerais, Brazil, consists of laminae of platy hematite that...associated with residual clay minerals, but substituting iron in platy hematite. Alexandre Raphael Cabral (ca...Coelho Neto 32/apt 704, 22231-110 Rio de Janeiro–RJ, Brazil. Orlando Garcia Rocha Filho (orlando.rocha@cvrd...caixa postal 22, 35970-000 Barão de Cocais–MG, Brazil. Richard David Jones (rocknocker@juno.com) is at |  | | Journal (article/letter/editorial) | | evidence from the Quadrilátero Ferrífero of Minas Gerais, Brazil Alexandre Raphael Cabral and Carl-Diedrich...evidence from the Quadrilátero Ferrífero of Minas Gerais, Brazil. – N. Jb. Miner. Mh. 2004 (3): 097– 103;...oxide deposit (Conta História) in the Quadrilátero Ferrífero of Minas Gerais, Brazil, was investigated...pseudorutile-like mineral, Conta História deposit, Quadrilátero Ferrífero, Minas Gerais, Brazil. Introduction Pseudorutile...leaching of Fe2 + and oxidation of the remaining iron to Fe3 + (Grey & Reid 1975, Dimanche & Bartholomé |  | Cabral, A. R., Beaudoin, G., Kwitko-Ribeiro, R., Lehmann, B., Polonia, J. C., Choquette, M. (2006) PLATINUM PALLADIUM NUGGETS AND MERCURY-RICH PALLADIFEROUS PLATINUM FROM SERRO, MINAS GERAIS, BRAZIL. The Canadian Mineralogist, 44 (2) 385-397 doi:10.2113/gscanmin.44.2.385 | Journal (article/letter/editorial) | | MERCURY-RICH PALLADIFEROUS PLATINUM FROM SERRO, MINAS GERAIS, BRAZIL Alexandre Raphael CABRAL§ and Georges BEAUDOIN...296, Caixa Postal 09, 33030-970 Santa Luzia – MG, Brazil Bernd LEHMANN Institut für Mineralogie und Mineralische...Carlos POLÔNIA Rua Paris 105, 34800-000, Caeté – MG, Brazil Marc CHOQUETTE Département de géologie et de génie...palladium from Córrego Bom Sucesso, Serro, Minas Gerais, Brazil, were investigated by scanning electron...alluvial nuggets, Córrego Bom Sucesso, Serro, Minas Gerais, Brazil. Sommaire Des grains arborescents, botryoïdaux |  | | Journal (article/letter/editorial) | | Velhas Greenstone Belt, Quadrilátero Ferrífero, Brazil: Influence of Proterozoic Orogenies on Its Western...30310-310, MG, Brazil Instituto de Geociências, Universidade Federal de Minas Gerais, Av. Antônio Carlos 6627...Campus Pampulha, Belo Horizonte 31270-910, MG, Brazil Correspondence: orivaldo.baltazar@hotmail.com (O...the Brasiliano São Francisco craton, Minas Gerais state, Brazil. It is composed of (i) Archean TTG granite-gneaissic...7000 km2 in the central and southern areas of Minas Gerais state. It constitutes the aggregation of Proterozoic |  | | Journal (article/letter/editorial) | | oxymica associated with sugilite from the Wessels Mine, South Africa: Crystal chemistry and 40Ar-39Ar dating—Edwin...analysis supplementary projection— Henrique Garcia Pereira, Sara Renca, and José Saraiva 37 Study of the pore...Trapping and mobilization of arsenic and lead in former mine tailings. Environmental conditions effects—A. Courtin-Nomade...dissolution of pyritic sludge from the Aznalcóllar mine (SW Spain)—C. Domènech, J. de Pablo, and C. Ayora...395 The mineralized veins and the impact of old mine workings on the environment at Segura, central Portugal—I |  | | Journal (article/letter/editorial) | | hydrothermal origin (see below). Element correlations Iron is positively correlated with Zr, Ti, P, As, Th...Discussion Genesis of Mn oxide layers and Fe-Mn crusts Iron and Mn oxides in the modern oceans form by three...occur within the Paleoproterozoic Itabira Iron Formation in Brazil contain up to 5.3 ppm Hg (mean 1.3 ppm)..., 1972, Classification and genesis of submarine iron-manganese deposits, in Horn, D.R., ed., Ferromanganese...oxide from Conta História manganese deposits, Quadrilátero Ferrifero, Minas Gerais, Brazil: Transactions |  | | Book | | northern Europe, the United States, India and southern Brazil. It is common in arid and semi-arid areas. Stierman...oxidation of readily oxidisable ions, such as ferrous iron (Fe2+). How much a particular rock will weather...Meekatharra Precambrian shields X Tennant Ck Tanami mine CANNING BASIN Great Barrier Reef X GAWLER Northparkes...Archean comes from the widespread deposition of banded iron formations (BIFs) – laminated marine sediments composed...the Tanami region, Yilgarn Craton and Northparkes mine (New South Wales) (Figure 2.5; O’Sullivan et al |
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