 | Monteiro, Lena Virgínia Soares, Bettencourt, Jorge Silva, Juliani, Caetano, de Oliveira, Tolentino Flávio (2007) Nonsulfide and sulfide-rich zinc mineralizations in the Vazante, Ambrósia and Fagundes deposits, Minas Gerais, Brazil: Mass balance and stable isotope characteristics of the hydrothermal alterations. Gondwana Research, 11 (3) 362-381 doi:10.1016/j.gr.2006.04.017 | Journal (article/letter/editorial) | | mineralizations in the Vazante, Ambrósia and Fagundes deposits, Minas Gerais, Brazil: Mass balance and stable...Pandiá Calógeras, 51, CEP 13083-970, Campinas, SP, Brazil b Instituto de Geociências, Universidade de São...Paulo, SP, Brazil c Votorantim Metais, Caixa Postal 3, CEP 38780-000, Vazante, MG, Brazil Received 31...online 9 August 2006 Abstract The Vazante Group hosts the Vazante nonsulfide zinc deposit, which comprises...Ambrósia). At Vazante, hydrothermal alteration resulted in silicification and dolomite, siderite, jasper, |  | Olivo, Gema, Monteiro, Lena, Baia, Fernando, Slezak, Paul, Carvalho, Igor, Fernandes, Neil, Oliveira, Gustavo, Botura Neto, Basilio, McGladrey, Alexandra, Silva, Adalene, Moura, Márcia, Layton-Matthews, Daniel (2018) The Proterozoic Vazante Hypogene Zinc Silicate District, Minas Gerais, Brazil: A Review of the Ore System Applied to Mineral Exploration. Minerals, 8 (1) 22 doi:10.3390/min8010022 | Journal (article/letter/editorial) | | Review The Proterozoic Vazante Hypogene Zinc Silicate District, Minas Gerais, Brazil: A Review of the Ore...05508-010, Brazil; lena.monteiro@usp.br Nexa Resources, Vazante 38780-000, Minas Gerais, Brazil; fernando...Brasília, Brasília 70910-900, Federal District, Brazil; igor@gfgeo.com.br (I.C.); adalene@unb.br (A.M...Abstract: The Proterozoic Vazante zinc silicate district in Minas Gerais, Brazil, hosts world-class hypogene...silicate; willemite; Proterozoic dolomitic basin; Vazante district; mineral exploration; ore system model |  | | Journal (article/letter/editorial) | | in the Southern Part of the Proterozoic Vazante Group, Brazil: Implications for Exploration of Sedimentary-Hosted...in the Southern Part of the Proterozoic Vazante Group, Brazil: Implications for Exploration of Sedimentary-Hosted...IN THE SOUTHERN PART OF THE PROTEROZOIC VAZANTE GROUP, BRAZIL: IMPLICATIONS FOR EXPLORATION OF SEDIMENTARY-HOSTED...sedimentary basins. In Brazil, the main zinc deposits are hosted in the Proterozoic Vazante Group in the Brasília...(MASA, Vazante and North Extension mines; Monteiro et al., 2006 and Slezak et al., 2014). The Vazante and |  | Oliver, Nicholas H.S., Thomson, Brian, Freitas-Silva, Flavio H., Holcombe, Rodney J., Rusk, Brian, Almeida, Bruna S., Faure, Kevin, Davidson, Garry R., Esper, Eldrick L., Guimarães, Paulo J., Dardenne, Marcel A. (2015) Local and Regional Mass Transfer During Thrusting, Veining, and Boudinage in the Genesis of the Giant Shale-Hosted Paracatu Gold Deposit, Minas Gerais, Brazil. Economic Geology, 110 (7) 1803-1834 doi:10.2113/econgeo.110.7.1803 | Journal (article/letter/editorial) | | Giant Shale-Hosted Paracatu Gold Deposit, Minas Gerais, Brazil* Nicholas H.S. Oliver,1,2,† Brian Thomson...Andar, Cruzeiro, Belo Horizonte – MG 30130-009, Brazil 4 Instituto 5 School de Geociências, Universidade...Universidade de Brasília, Brasília DF, 70910-900, Brazil of Earth Sciences, University of Queensland, St Lucia...understand the genesis of the Paracatu deposit in Brazil, a shallow-dipping, bulk-tonnage, vein-style low-grade...thrusting. Introduction The Paracatu gold deposit in Brazil, also known as Morro do Ouro (“Hill of Gold”), |  | Hitzman, M. W., Reynolds, N. A., Sangster, D. F., Allen, C. R., Carman, C. E. (2003) Classification, Genesis, and Exploration Guides for Nonsulfide Zinc Deposits. Economic Geology, 98 (4) 685-714 doi:10.2113/gsecongeo.98.4.685 | Journal (article/letter/editorial) | | Torlon, Guatemala; 11 = Accha, Peru; 12 = Vazante, Brazil; 13 = Tynagh and Silvermines, Ireland; 14 =...Qiandong Shen Shen 689 New York, USA Brazil Balmat Vazante Hypogene nonsulfide zinc Isa/sedex VMS...dolostone by smithsonite with minor hematite. Tucson mine, Leadville district, Colorado, United States. b...Massive smithsonite replacing limestone. Wolftone mine, Colorado, United States. c. Coarsely crystalline...hemimorphite cementing goethitic dolostone clast, Vazante deposit, Brazil. j. Massive sauconite (zinc-bearing smectite) |  | | Journal (article/letter/editorial) | | 201-C, Salvador, 40170-290, Bahia, Brazil b Geological Survey of Brazil (CPRM)-Av. Pasteur, 404, Urca, Rio...Rio de Janeiro, 22290-240, Rio de Janeiro, Brazil Received 2 May 2004; accepted 1 May 2006 Available...from Venezuela (Imataca Complex), and others from Brazil (Quadrilátero Ferrífero, Itabira, and Guanhães)...mentioning that the Serra dos Carajás Basin in northern Brazil is older. It contains the worlds' largest iron...metamorphosed Caraíba deposit, Curaçá Valley, Bahia, Brazil. This is an unusual, strongly deformed copper deposit |  | | Journal (article/letter/editorial) | | Schaffalitzky, 2001, Boland et al., 2003; Vazante, Brazil: Monteiro et al., 1999; Beltana, Australia:...marked brecciation (e.g., Beltana, Australia; Vazante, Brazil). This type of mineralization is considered...Furthermore, there are additional nongeologic resources in mine dumps, flotation tailings, and smelter residues...nonsulfide Zn open-pit mine of Boleslaw, Poland. c. “Calamina” sample from the old Czerna mine, Poland. The sample...Selected Examples of European Nonsulfide Zinc Deposits Mine (district) Country Production history Style of |  | | Journal (article/letter/editorial) | | Abstract Brazil has been a major but intermittent producer of gold since its discovery in 1500. Brazil led...hosted in Archean rocks produced 66% of the gold in Brazil, whereas deposits in Paleoproterozoic and Neoproterozoic...MinisteÂrio de Minas e Energia, Secretaria de Minas e Metalurgia, BrasõÂ lia, Brazil E.A. Ladeira Rua...Muzambino 355/404, Belo Horizonte, Minas Gerais 30310-280, Brazil Deposits in metamorphosed sedimentary...importance. The Archean and Paleoproterozoic terranes of Brazil largely lack base-metal-rich volcanogenic massive |  | | Journal (article/letter/editorial) | | 9 percent Zn (Reynolds et al., 2003) and Vazante in Brazil (predominantly hypogene willemite and sphalerite)...deposit in Australia, has many similarities to Vazante in Brazil and Kabwe in Zambia (Hitzman et al., 2003)... Callanna Beds (Diapir) Mt Painter Province X Mine (willemite) Willemite deposits Other mineral occurrence...Callanna Beds Willemite occurrence na oo Ar X N Mine (willemite) 1000 m t ul Fa 6608000N Reliance...drill traverses at and along strike of the Beltana mine (96 holes, 15,159 m) and at Reliance, which is situated |  | | Report (volume) | | Deposits of the Boquira District State of Bahia, Brazil GEOLOGICAL SURVEY BULLETIN 3 Prepared in cooperation...the Departamento National da Producao Mineral, Brazil, under the auspices of the International Cooperation...Deposits of the Boquira District State of Bahia, Brazil By ROBERT F. JOHNSON CONTRIBUTIONS TO BRAZILIAN...the Departamento Nacional da Producdo Mineral, Brazil, under the auspices of the International Cooperation...map and section of the Boquira district, Bahia Brazil.___________________________________________ In |  | | Journal (article/letter/editorial) | | tectonic and metallogenic evolution of southern Brazil—L.A. Hartmann, J.A.D. Leite, L.C. da Silva, M.V...GEOLOGY Vol. 39, No. 10 Removal of heavy metals from mine water by carbonate precipitation in the Grootfontein-Omatako...Ordovician arc—R.G. Skirrow The Vazante zinc mine, Minas Gerais, Brazil: Constraints on willemitic mineralization...Stuart-Smith, and R. Miró Sr-isotopic composition of siderite for assessing the origin of mineralizing fluids:...JOURNALS THE SCIENCE OF THE TOTAL ENVIRONMENT Mercury mine drainage and processes that control its environmental |  | Coppola, Vito, Boni, Maria, Gilg, H. Albert, Balassone, Giuseppina, Dejonghe, Léon (2008) The “calamine” nonsulfide Zn–Pb deposits of Belgium: Petrographical, mineralogical and geochemical characterization. Ore Geology Reviews, 33 (2) 187-210 doi:10.1016/j.oregeorev.2006.03.005 | Journal (article/letter/editorial) | | crystallization. Carbon isotope values, even from the same mine, show a considerable range from −11.6 to −1.6‰....lack of production statistics before 1825. When the mine was still in operation, the concentrates were essentially...concentrated in the NE of the country. At Fossey, a mine which was active until 1918, the total production...gersdorffite (NiAsS) and nickeline (NiAs) in the Bleiberg mine. The mineralized lodes do not extend into the Upper...reported depth of oxidation is 211 m at the Schmalgraf mine). The nonsulfide Zn products were called “calamine” |  | | Journal (article/letter/editorial) | | compositions do not vary as expected for an original siderite layer that decarbonated during metamorphism, but... Furnace mine Franklin Marble West limb -47 30 East limb Pike's Peak mine Longshore mine 65 Franklin...banding and foliation Lithologic contact Historical mine that produced magnetite 500 0 meters FIG. 3....evaluated as an iron resource when the Franklin zinc mine closed (Stockwell, 1951). The Furnace bed is a layer...garnet appear in the upper levels of the Franklin mine adjacent to crosscutting pegmatite bodies. A partial |  | | Journal (article/letter/editorial) | | in abandoned mines (Bwlch Glas mine, Wales, U.K., and Pinnacles Mine, New South Wales, Australia). They...measured temperature and isotope composition of mine waters and cerussite. The recalculated fractionation...Pinnacles sample. Both values plot 2.83‰ (Bwlch Glas mine) to 0.38‰ (Pinnacles) below the predictions of Eq...phosgenites from the Monteponi mine, as well as a cerussite from Tiny– Arenas mine (Table 1, Fig. 2). The Pb...fractionation estimates (a cerussite from the Bwlch Glas Mine; Melchiorre et al., 2001) plots very close (within |  | | Journal (article/letter/editorial) | | (Kazakhstan), Jabali (Yemen), Hakkari (Turkey), Vazante (Brazil), Accha, Yanque and Bongarà (Peru), Torlon...RI concentrations of this type are the Vazante deposit (Brazil) in Proterozoic carbonates (Monteiro et...tarbuttite [(Zn2PO4(OH)] is very in the Skorpion mine (Namibia), together with chalcophanite MA ...in French), which was home to an important zinc mine and processing plant. The mineralized protore can...mining areas additional nonsulfide resources occur in mine dumps, flotation tailings, and smelter residues |  | | Journal (article/letter/editorial) | | and vanadocrete (vanadate). Panczner 1987 Tajo Mine, Hidalgo del Parral, Chihuahua, Mexico Panczner...Monteiro et al. metamorphogenic 1999, 2007 Vazante Brazil this study Mina La Luz Argentina Dill et...CaSr-bearing Crandallite goyazite turquoise phospho siderite strengite pseudomalachite olivenite clinoclase...wavellite vivianite apatite rockbridgeite phospho siderite ferroan variscite cacoxenite wavellite churchite-(Y)... Cu sedimenthosted (sandstonehosted) Kalengwa Mine, Zambia Cu-Co stratiform and vein-type REE-(Zn-PbCu) |  | | Journal (issue) | | Cook, Jr. Minerals of the Lead-Zinc Localitiesof Brazil 282 by Jacques P. and Jeannine O. Cassedanne The...i n c ■m e coLLecror Tourmaline Tourmaline Queen Mine Pala, California "EXCEPTIONAL MINERALS, GEM CRYSTALS...February 17, (Tuesday) is being planned to Mammoth Mine, Tiger, Arizona. Transportation and box lunches...been found at the Foote Mineral Com pany spodum ene mine, near Kings M ountain, Cleve 276 land County...columbite associated with fersmite from the Foote mine. G rain #3 G rain #4 MnO 6.3 6. 1 5.0 FeO |  | | 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 |  | | Report (volume) | | the Araras and Corumbá groups, Paraguay Belt, Brazil 487 FIGUEIREDO, M. F., BABINSKI, M. & ALVARENGA...J. S. The Serra Azul Formation, Paraguay Belt, Brazil 499 GUIMARÃES, J. T., MISI, A., PEDREIRA, A... L. The Bebedouro Formation, Una Group, Bahia (Brazil) 503 MISI, A., KAUFMAN, A. J., AZMY, K., DARDENNE...successions of the São Francisco Craton, Brazil: the Bambuı́, Una, Vazante and Vaza Barris/Miaba groups and their...Neoproterozoic Macaúbas Group, Araçuaı́ orogen, SE Brazil 523 ROCHA-CAMPOS, A. C., DE BRITO NEVES, B. B |  | O, Chung-Nam, Pak, Ung-Ho, Choe, Kwang-U, Ryang, Do-Jun, Kim, Kwang-Min, Sim, Hak-Chol, Jo, Yong-Il, Ryang, Un-Jin (2020) Genesis of the Songhung gold-polymetallic deposit in the Hoechang district, the Democratic People’s Republic of Korea: Constraints from Geology, Petrochemistry and Pb–S–C–O isotope geochemistry. Ore Geology Reviews, 116. 103250 doi:10.1016/j.oregeorev.2019.103250 | Journal (article/letter/editorial) | | contrast, the No.6 ore body has a second type of siderite–sulfide (lead–zinc) metasomatism between the lower...many cases, occurs along the cleavage planes of siderite. The Au grade increases in chalcopyrite with a...white quartz and minor disseminated pyrite and siderite, and silicification. The auriferous sulfide–quartz...arsenopyrite and pyrrhotite as well as minor ankerite, siderite and native gold. The ankerite occurs as a veinlet...The ore bodies are dominated by the ankerite and siderite instead of pyrite when hosted rocks are represented |  | | Book | | On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298...ALLEN, GEORGE B. --and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE...Allgood, C. Williams: Ramsdellite from the Mistake mine [Arizona] 14:333-335 ALLGOOD, ROBERT W. -with G...the Mistake mine [Arizona] 14:333-335 ALMA Famous mineral localities: the Home Sweet Home mine, [near Alma |  | Boni, M., Gilg, H. A., Aversa, G., Balassone, G. (2003) The "Calamine" of Southwest Sardinia: Geology, Mineralogy, and Stable Isotope Geochemistry of Supergene Zn Mineralization. Economic Geology, 98 (4) 731-748 doi:10.2113/gsecongeo.98.4.731 | Journal (article/letter/editorial) | | regardless of crystal morphology, position, and mine location (avg. 27.4 ± 0.9‰). This homogeneity points...Their characteristics were described in several mine reports (e.g., Münch and Siebdrat, 1960) and their...of the exploitation owing to the instability of mine workings, the ore grade was always higher, the oxidation...secondary sulfides were also known. At the Sa Duchessa mine, where the primary sulfides (chalcopyrite and sphalerite)...underground mining sites. Other specimens were sampled in mine dumps and from private collections. Up to 35 samples |  | Kuznetsov, A.B., Melezhik, V.A., Gorokhov, I.M., Melnikov, N.N., Konstantinova, G.V., Kutyavin, E.P., Turchenko, T.L. (2010) Sr isotopic composition of Paleoproterozoic 13C-rich carbonate rocks: The Tulomozero Formation, SE Fennoscandian Shield. Precambrian Research, 182 (4) 300-312 doi:10.1016/j.precamres.2010.05.006 | Journal (article/letter/editorial) | | (Melezhik et al., 2005a); (4) Fecho do Funil Formation, Minas Group (Bekker et al., 2003b); (5) Nash Fork Formation...(Frauenstein et al., 2009); (9) Gandarela Formation, Minas Group (Bekker et al., 2003b); (10) Duck Creek Formation...rhombi (15) designate the data for braunite and siderite lutites from the Hotazel BIF Formation, Voelwater...USA Brazil Eastern Canada South Africa South Africa South Africa South Africa South Africa Brazil Brazil...Libbly Creek Minas Kaniapiskau Pretoria Pretoria Pretoria Postmasburg Postmasburg Minas Minas Reward Teena |  | | Journal (article/letter/editorial) | | Beers 945 Origin of high-Ag fahlores from the Galena mine, Wallace, Idaho, U.S.A.—Richard O. Sack, Rob Fredericks...Moorbath Evolution of the aqueous geochemistry of mine pit lakes – Blanzy–Montceau-les-Mines coal basin...transformation as observed in a field setting, Alta mine, MT— Andrew W. Schroth and Roderic A. Parnell, Jr...gold-silver system: Geochemistry of fluids at the Mugeuk mine, South Korea—Chil-Sup So, Seong-Taek Yun, Seung-Jun...PETROLOGY Special Isssue on Volcanic Rocks in Brazil through Time and Different Tectonic Settings—Reinhardt |  | Navarro-Ciurana, Dídac, Campos-Quispe, Luis Alberto, Cardellach, Esteve, Vindel, Elena, Gómez-Gras, David, Griera, Albert, Corbella, Mercè (2016) Mineralogical and geochemical characterization of the Riópar non-sulfide Zn-(Fe-Pb) deposits (Prebetic Zone, SE Spain) Ore Geology Reviews, 79. 515-532 doi:10.1016/j.oregeorev.2016.05.023 | Journal (article/letter/editorial) | | Groves et al., 2003; Peru: Boni et al., 2009a; Brazil: Monteiro et al., 2007). Non-sulfide zinc ore is...“calamine”, which is a convenient field term used by mine geologists to designate a mixture of Zn minerals...Pb-sulfates (e.g., anglesite), Fecarbonates (e.g., siderite) and Fe-(hydr)oxides (e.g., goethite, hematites)...resource of mixed oxide and sulfide at Resurrección mine was 30,000 t at 6.7% Zn (Grandia et al., 2003b)...and detailed maps (B: San Agustín mine Sg2; and D: San Jorge mine Sj3) of the Zn–(Fe–Pb) mineralized |
|
