 | | Journal (article/letter/editorial) | | Gold-bismuth-telluride-sulphide assemblages at the Viceroy Mine, Harare-Bindura-Shamva greenstone belt, Zimbabwe...2008] ABSTR ACT Gold mineralization at the Viceroy Mine is hosted in extensional veins in steep shear zones...liquid/melt-collecting mechanism was probably active at Viceroy Mine, where the distinct Au-Bi-TeS assemblage either...Viceroy and Mazowe Mines, Zimbabwe, Passagem de Mariana Mine, Brazil. Introduction FOR a long time, tellurides...deposits. Well known examples are the classic mining district and type area of many telluride minerals, the |  | | Report (volume) | | 1986, in Belo Horizonte, Brazil, was hosted by the Institute Brasileiro de Mineragao WORKSHOP PARTICIPANTS...Quintas, Mineragao Morro Velho Club, Nova Lima, Brazil December 4,1986 1. 2. 3. 4. 5. Sergio C. Guedes...19. 20. 21. 22. Fernando L. Repetto Rafael Lima de Oliveira Eduardo Ladeira Diogenes Scipioni Vial ...Santos Lima Marcel Fonseca 36. Vitor Hugo Silveira de Castro 37. Carl R. Anhaeusser 38. Hernando Lozano...Quadrilatero Ferrffero, Minas Gerais, Brazil Workshop: Belo Horizonte, Brazil, December 1-10,1986 Sponsors: |  | Vial, D.S., Abreu, G.C., Schubert, G., Ribeiro-Rodrigues, L.C. (2007) Smaller gold deposits in the Archean Rio das Velhas greenstone belt, Quadrilátero Ferrífero, Brazil. Ore Geology Reviews, 32 (3) 651-673 doi:10.1016/j.oregeorev.2005.01.004 | Journal (article/letter/editorial) | | Velhas greenstone belt, Quadrilátero Ferrífero, Brazil D.S. Vial a,⁎, G.C. Abreu b , G. Schubert a , L...Santa Luzia, MG, Brazil Instituto de Geociências da Universidade de São Paulo/Fundação de Amparo à Pesquisa...do Estado de São Paulo, Rua Major Solbiat, 226, Torrinha, SP, Brazil Fundação Educacional de Caratinga...BR-116, Km 526, Bairro das Graças, Caratinga, MG, Brazil b c Received 26 June 2003; accepted 2 January...Brumal, Boa Vista, Fernandes, Moita, Roça Grande, Bico de Pedra and Pari, as well as the world-class deposits |  | | Report (issue) | | EXCURSION FROM BELO HORIZONTE TO OURO PRETO MINAS GERAIS, BRAZIL REGIONAL STRATIGRAPHY AND TECTONICS OF THE...DAS VELHAS GREENSTONE BELT AND THE PROTEROZOIC MINAS SUPERGROUP AS BACKGROUND FOR GOLD METALLOGENESIS..."-Departamento de Geologia Institute de Geoci&ncias Universidade Federal de Minas Gerais Belo Horizonte...Horizonte, Brazil 2U.S. Geological Survey Denver, Colorado CONTENTS Introduction Scope of excursion Roadlog...prospect pit at Morro do Cruzeiro, Ouro Preto, Minas Gerais, Brazil. 14 INTRODUCTION This paper is one of |  | | Journal (article/letter/editorial) | | clasts of auriferous pyrite 1422 E drift, Pamour Mine, Timmins, Ontario. 354 R.W. HUTCHINSON Fig....(right) facies ironformation (exposure south of Mine Doyon pit, Cadillac, Quebec ). Fig. 3 (d). Single...ankeritic walls and quartz core ( 12th level, Dome Mine, South Porcupine, Ontario ). contain more sediment-hosted...minerals in dump samples from a small, abandoned gold mine. Nickel ores are also coregional with the gold and...5. Simplified regional geology of the Val d'Or district, Quebec, illustrating co-regionality of lode gold |  | | Journal (article/letter/editorial) | | auriferous quartz-sulfide-tourmaline and minor quartz-stibnite veins that are structurally controlled by fault...closure of the paleo-Tethyan ocean. The Xiahe-Hezuo district is located in the western portion of the WQO (Figure...the Xinpu-Lishishan anticline (Figure 1b). The district is divided into the western and eastern zones...map of of the the Xiahe-Hezuo Xiahe-Hezuo district district showing showing the the distribution distribution...quartz-sulfide-tourmaline and minor minor quartz-stibnite quartz-stibnite veins the host quartz diorite porphyry |  | Pereira, Inês, Storey, Craig, Darling, James, Lana, Cristiano, Alkmim, Ana R. (2019) Two billion years of evolution enclosed in hydrothermal rutile: Recycling of the São Francisco Craton Crust and constraints on gold remobilisation processes. Gondwana Research, 68. 69-92 doi:10.1016/j.gr.2018.11.008 | Journal (article/letter/editorial) | | Hampshire, United Kingdom 2 Ouro Preto, MG 35400000, Brazil MA Corresponding author: ines.pereira@port.ac...Isotope Research Group, Departamento de Geologia, Universidade Federal de Ouro Preto, ABSTRACT D The Quadrilátero...Quadrilátero Ferrífero in the São Francisco Craton, Brazil is known for its world-class PT E gold deposits...time (e.g. Witwatersrand, South Africa; Jacobina, Brazil; Huronian, Canada; Sierra Nevada, USA). In 2013...from the Paleoproterozoic Minas Supergroup, Quadrilátero Ferrífero (QF), Brazil by using detrital rutiles |  | Guimarães, Frederico Sousa, de Freitas, Monica Elizetti, Rios, Francisco Javier, Pedrosa, Tércio Assunção (2019) Mineralogical characterization and origin of uranium mineralization in Witwatersrand-like metaconglomerate of the Moeda Formation, Quadrilátero Ferrífero, Brazil. Ore Geology Reviews, 106. 423-445 doi:10.1016/j.oregeorev.2019.01.016 | Journal (article/letter/editorial) | | Quadrilátero Ferrífero, Brazil Frederico Sousa Guimarães, Monica Elizetti de Freitas, Francisco Javier...cite this article as: F.S. Guimarães, M. Elizetti de Freitas, F. Javier Rios, T.A. Pedrosa, Mineralogical...of the Moeda Formation, Quadrilátero Ferrífero, Brazil, Ore Geology Reviews (2019), doi: https://doi.org/10...Ferrífero, Brazil Frederico Sousa Guimarãesa,b (fredsgguimaraes@gmail.com), Monica Elizetti de Freitasa...Assunção Pedrosaa (tercioap@gmail.com) a Centro de Desenvolvimento da Tecnologia Nuclear. Av. Presidente |  | | Report (issue) | | Norte Cty, CA Santa Helena, Antioquia, Colombia Goto Mine, Luzan, P.I. References Wells, F. G. et al 1946...in mafic volcanic Homestake, South Dakota Passagem, Brazil Kirkland Lake, Canada References Rye and...Alaska (Bateman) Sierra de Perija References Maze, W. B., 1982 Champetier de Ribes and others, 1963 ...Regional Mn halos Examples References Sullivan mine, Canada Hamilton and others (1981) Sediment hosted...assist in exploration Examples East Tennessee zinc district References Crawford and Hoagland (1968) Carbonate-hosted |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais. Collection of Alvaro Lucio. Photograph taken...Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo, Andrea...3. Minerals - Brazil 4. Minerals- Classification 5. Mineralogy 6. Mineralogy - Brazil - History 7. Precious...Precious stones - Brazil I. Bartorelli, Andrea. II. Title. 09-10025 Cover photograph: Crystal of brazilianite |  | | Journal (issue) | | . • • • • • • • • • • I 5.00 Rutilated Quarts, Brazil. 3 x 2 ½ x I . Polished curved face. Plus tax •...Transvaal. With Stibnite. 3 x 2 x 1 ½ . . . . . . . . . . . . . . . . . 2.00 Quarts w Phantom, Brazil. Fine green...Evelyn Waite ..................116 QUAR1Z CRYSTAL IN BRAZIL .....................................................................118 SEMIPRECIOUS STONES IN BRAZIL .................................................MAGNETIC PROSPECTING ...............•124 MICA IN BRAZIL .............................................. |  | | Book (edition) | | 260 Petaca District, New Mexico 266 11 IGNEOUS METAMORPHIC DEPOSITS 272 Central District, New Mexico...276 Iron Springs District, Utah 283 12 HYPOTHERMAL DEPOSITS 293 Morro Velho, Brazil 297 Broken Hill...MESOTHERMAL DEPOSITS 317 Coeur d’Alene, Idaho 319 Magma Mine, Arizona 325 Chuquicamata, Chile 333 14 EPITHERMAL...346 Almaden, Spain 349 Pachuca-Real del Monte District, Mexico 15 TELETHERMAL DEPOSITS 354 362 Colorado...370 16 XENOTHERMAL DEPOSITS 381 Ikuno-Akenobe District, Japan Potosi, Bolivia 387 382 17 SEDIMENTARY |  | | Journal (article/letter/editorial) | | Ferrífero, Minas Gerais, Brazil Luiz Cláudio Ribeiro-Rodrigues a,⁎, Claudinei Gouveia de Oliveira b ...c a Centro Universitário de Caratinga, Unidade III, Fazenda Experimental de Caratinga, BR-116, km 526...Caratinga-MG, 35 300-970, Brazil b Instituto de Geociências, Universidade de Brasília, Campus Asa Norte...Norte, Brasília-DF, 31270-901, Brazil c Institute of Mineralogy and Economic Geology, Aachen University...northern part of the Quadrilátero Ferrífero, Minas Gerais State, Brazil. The region constitutes an Archean granite–greenstone |  | | Journal (article/letter/editorial) | | E. R.: Op. cit:, p. 4I. Messervey, J.P.: Gold District, Nova Scotia. Dept. of Public Works and Mines...Beaver Dam depositswith thoseof the PassagemLode in Brazil 7 and in the JamesRiver Basin,Virginia? In these...goldf/ihrende,kiesige Quarzlagergangyon Passagemin Minas Geraes,Brazilien. Zeit. ffir Prakt. Geol., pp. 345-357...Mineralization of the Gold-bearingLode of Passagem,Minas Geraes, Brazil. Am. Jour. Sci., 4th set., vol. 32,...granite intrusive. The chief mineralsare quartz and stibnite,with lesseramounts of bladedpyrrhotite,nativeantimony |  | | Report (issue) | | Development of the Quadrilatero Ferrifero Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 641-A...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International...Development of the Quadrilatero Ferrifero Minas Gerais, Brazil By JOHN VAN N. DORR 2d REGIONAL GEOLOGY...GEOLOGY OF THE QUADRILATERO FERRIFERO, MINAS GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 641-A...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International |  | | Journal (issue) | | ... 566 ST. BARBARA AND THE MINERS-A MEMOIR OF BRAZIL. By Margaret D. Be11s11san ......................articles make their appearance in print. th an de va m ti1 C( Tl ROCKS and Edited and Published...writer took advantage of collecting at the numerous mine dumps in the vicinity of Champion. It is hoped that...Michi1a11 The Beacon Mine, operated by the North Range Mining Company, is the only active mine in the Champion...numerous aumps and ruins in th e vicinity of the Beacon Mine, however, attest to the former activity in the area |  | 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) | | 2005). The world’s largest Hg deposit, the Almadén district of central Spain, is representative of concentrations...reworking of the mercury-hosting rocks of the Almadén district (primary mineralization 427–380 Ma) led to at...mining district, including the New Almadén mine in Santa Clara County and the New Idria mine in San Benito...Itabira, Minas Gerais, Brazil, and at Serra Pelada (Serra Leste) Au-(Pd-Pt) deposit, Pará, Brazil (Bindi...in the literature. For example, the Hg mining district of Pike County, Arkansas, is hosted in Carboniferous |  | | Book | | Mexico Giielmambi River, Colombia Cerro de Pasco, Peru Bocaza mine, Bolivia Toquepala, Peru Uncia, Bolivia...Bolivia Potosi, Bolivia St John d’el Rey mine, Brazil Matilde mine, Bolivia Copiapo, Chile Coquimbo, Chile...black miners in Colombia Friedemann 204 Nina S. de vi Contents 13 The workers of the modern mines...tons 147 12.1 Types of land use 209 12.2 Minas Grandes on the river 210 12.3 Spatial distribution...retardation, and (d) the conjunction of politics and mine communities orchestrated by national, ideological |  | | Journal (article/letter/editorial) | | Ak-tyus, Russia (xoo) .................. Alamo District, Lower California ,.• • ,.• 0 x x x x x...(65) .... x x x x x x x x x x x x x Ashley Mine, Ont. (95) ................. Atikokan, Ont. (45)...(9) ..................... x x x x x x x Beattie Mine, Que. (30) ................ x x x x x Several...x Altenberg, Saxony, Germany (58) ....... Alexo Mine, Ont. (97) .................. Anyox, B.C. (II3)... Sweden (7o) ................... x Boundary District, B.C. (53) ........... x x Brittania, B.C. (H3) |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | Sierra, and Luis Jaramillo Cortes Institute Nacional de Investigaciones Geologico-Mineras Open-File Report...of Colombia, completed by the Institute Nacional de Investigaciones GeologicoMineras and the U.S. Geological...deposits of such minerals in adjacent areas of Brazil and Venezuela suggest that eastern Colombia may...U.S. Geological Survey and the Institute Nacional de Investigaciones Geologico-Mineras began a cooperative...deposits, based on analogy with adjacent areas in Brazil and Venezuela. An initial reconnaissance should |  | | 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..."Dana's System of Mineralogy•· ( 1944, I 951, 1962). de Fourestier (1999) and Strunz and Nickel (2001). Mi11eral...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g. |  | | Report (issue) | | ·:.: ....··~.. • • •• • • ••••• Iii e e e .De e •• e e e ••• CONTENTS. 5 CHAPTER IlL--GENETIC...The Dividend group of prospects in the Windypah district. .. _.... _._................ 117 117 Genetic......................................... 145 145 BraziL ...... __ ... _.. _....... _._._.................zone; B, Entrance to upper workings, Drinkwater mine ___________ . _________ .. __________ . _________________...___ . . 38 Vertical cross section of Drinkwater mine workings ____ . ___ . ____ .. _.... _... __ ... |  | | Book (volume) | | and written many new descriptions of American ore de- geologists. original authorities, posits, especially...Deposits of North America Marc[uette Iron Ore District in the State of Michigan 7. African Iron Ore Deposits... CONTENTS. ix PAGE Manganese Ore Deposits in Minas Geraes, Brazil (B) Manganese Ores in Normal Sediments (a)...Deposits of Pitkaranta in Finland 4. Kallmora Silver Mine at Norberg, in Sweden 5. The Deposit of Schneeberg...Iron and Manganese Ores 1. The Iron Ores of the District of Elbingerode, in the Harz 2. The Iron Ore Deposits |  | | Report (volume) | | rock types 133 Cross section through the Kalavos district Cyprus showing relationship of massive sulfide...based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...represents an individual deposit (or, rarely, a district), cumulated in ascending grade or tonnage. Where...government believed might someday be economic ta mine. Stratiform deposits of large areal extent, such |  | | Book | | Zealand. Pneumatolytic Ores Cripple Greek and Passagem, Brazil. IsoSaddle- and Ladder-lodes. Imlated Gold-quartz...Pneumatolytic Rossland, South Australia, and Braden Mine, Chile. Lodes of Cornwall. Pipe Lodes South Australia... — donia. Mircury— Uses .'; Gap and Sudbury; Mine. Antimony Arsenic. — Distribution and Bumuth....Gems— Diamond, South Africa Asbestos. Monazite. The Brazil; theories of formation based on supposed artificial...estuaries 62. Shoaling of the Ceara breakwater, Brazil 63. 137 139 139 140 .141 47. Various processes |
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