 | Souza Neto, João Adauto, Legrand, Jean Michel, Volfinger, Marcel, Pascal, Marie-Lola, Sonnet, Philippe (2008) W–Au skarns in the Neo-Proterozoic Seridó Mobile Belt, Borborema Province in northeastern Brazil: an overview with emphasis on the Bonfim deposit. Mineralium Deposita, 43 (2) 185-205 doi:10.1007/s00126-007-0155-1 | Journal (article/letter/editorial) | | Borborema Province in northeastern Brazil: an overview with emphasis on the Bonfim deposit João Adauto Souza Neto...located in the Borborema Province in northeastern Brazil and consists of a gneiss basement (Archean to Paleo-Proterozoic)...locally gold. Recently, the discovery of gold in the Bonfim tungsten skarn has resulted in a better understanding...Recife, Brazil e-mail: adauto@ufpe.br J. M. Legrand Departamento de Geologia, Universidade Federal do Rio...Rio Grande do Norte, Campus Universitário, Lagoa Nova, CEP 59.072-970 Natal, Brazil M. Volfinger : M.-L |  | | Journal (article/letter/editorial) | | ore fluids in the Bonfim and Itajubatiba gold skarn deposits, Northeastern Brazil: a PIXE method study...Legrand Federal University of Rio Grande do Norte State, 59.072-970, Natal, Brazil CRSCM - CNRS, 45.071, Orl6ans...skarn deposits, in Northeastern Brazil: Itajubatiba (Au) and Bonfim (W-Au). The principal objective is...rocks. The Bonfim W-Au deposit is situated 27 km southeast of the town of Lajes in the state of Rio Grande...Grande do Norte. The deposit has a proven total reserve of 70 tons of scheelite. In the early 1990's gold |  | | Journal (article/letter/editorial) | | mineralization at the Bonfim polymetallic skarn deposit, Seridó Mobile Belt, Borborema Province, Brazil Nayara Moreira...mineralization at the Bonfim polymetallic skarn deposit, Seridó Mobile Belt, Borborema Province, Brazil, Ore Geology...mineralization at the Bonfim polymetallic skarn deposit, Seridó Mobile Belt, Borborema Province, Brazil Nayara Moreira... da Arquitetura, s/n, 50740-550, Recife (PE), Brazil Corresponding author: Nayara Moreira de Mesquista...skarns in the Borborema Province, northeastern Brazil. The Bonfim W-Mo-Au-Bi-Te skarn occurs within a Neoproterozoic |  | | Book | | AV. PRESIDENTE WILSON, 231 - RIO DE JANEIRO MINES AND MINERALS IN BRAZIL --= ··--· ··- ·-·=- MINES... MINES AND MINERALS IN BRAZIL J OSIAS LEAO (ECONOMIC DIVISION - MINISTRY OF FOREIGN AFFAIRS) CENTRO DE...DE ESTUDOS ECONOMICOS RIO DE JANEIRO PREFACE This book was planned by Dr. Arno Kondei· - head of the...regarding water power and industry of electr·icity in Brazil were specially prepared at the Division of Waters........ 189 SUMMARY OF THE MINERAL RESERVES OF BRAZIL..... . ... ....... . .. 199 STATISTICAL TABLES |  | | Journal (article/letter/editorial) | | Min., Bol. 209, Rio de Janeiro 1964. DE MORAES, L.J.: Dep6sitos diamantlferos no norte do Estado de Minas...Bol. 8, Rio de Janeiro 1934. - - : Geologia Geral. - - Serv. Fore. Prod, Min., Bol. 19, Rio de ]aneiro...142, Rio de Janeiro 1968. PFLU~, R., SCHOBnENaAUS, C., & RENGES, F.: Contribuig~o ~ geotect6nica do Brasil...Bahia. - - Min. e Met,, 15, Rio de Janeiro 1951. SCHOgZENHAUS, C.: Sure,rio da geologia da Quadrieula Ibitiara...Ibitiara, Bahia, Sure,rio da geologia da Quadrieula de Paramirim, Bahia. - - SUDENE, Div. Geol., Bol |  | | Journal (article/letter/editorial) | | including hematite, pyrite, pyrrhotite, zircon, molybdenite and galena. SiO2 content varies between 64 and...the octahedral and tetrahedral substitution, and do not substitute for Be or Al (Auriscchio et al., 1988)...of emerald occur in Colombia, Zambia, Pakistan, Brazil, Russia, Afghanistan, Zimbabwe and Madagascar....Plagioclase feldspar, quartz, muscovite, beryl, molybdenite, chalcopyrite, phenakite and pyrite are the major...1986). Although the earlier Somerset mine and the later Cobra mine have been the main source of the emeralds |  | Giuliani, Gaston, Groat, Lee A., Marshall, Dan, Fallick, Anthony E., Branquet, Yannick (2019) Emerald Deposits: A Review and Enhanced Classification. Minerals, 9 (2) 105 doi:10.3390/min9020105 | Journal (article/letter/editorial) | | sub-types hosted in: (IA) Mafic-ultramafic rocks (Brazil, Zambia, Russia, and others); (IB) Sedimentary...sub-types hosted in: (IIA) Mafic-ultramafic rocks (Brazil, Austria); (IIB) Sedimentary rocks-black shale...ct. Insufu rough emerald extracted from the Kagem mine in 2015. Lastly, on the 2th of October, the remarkable...(“the lion elephant”) was extracted from the same mine [3]. Other giant crystals have been discovered in...emerald crystals was discovered in the Carnaíba mine, Brazil; the specimen weighed 341 kg with 1.7 million |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Crystal of multicolored tourmaline (84 x 26 mm), Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais...(Camara Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo...pedras preciosas do Brasil Bibliography 1. Gemology 2. Geology 3. Minerals - Brazil 4. Minerals- Classification... Mineralogy 6. Mineralogy - Brazil - History 7. Precious stones - Brazil I. Bartorelli, Andrea. II. Title |  | | Journal (article/letter/editorial) | | com/loi/tigr20 Geology and Mineral Resources of Brazil: A Review a a Inacio De Medeiros Delgado , Augusto...Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil b US. Geological Survey, Denver, CO, 80225 Version...Thorman (1994): Geology and Mineral Resources of Brazil: A Review, International Geology Review, 36:6,...rights reserved. Geology and Mineral Resources of Brazil: A Review INACIO DE MEDEIROS DELGADO, AUGUSTO J...Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil AND CHARLES H. THORMAN US. Geological Survey, Denver |  | 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) | | of the Moeda Formation, Quadrilátero Ferrífero, Brazil Frederico Sousa Guimarães, Monica Elizetti de Freitas...of the Moeda Formation, Quadrilátero Ferrífero, Brazil, Ore Geology Reviews (2019), doi: https://doi.org/10...of the Moeda Formation, Quadrilátero Ferrífero, Brazil Frederico Sousa Guimarãesa,b (fredsgguimaraes@gmail...Pampulha, 31270-901, Belo Horizonte, Minas Gerais, Brazil. b Corresponding author Abstract The Moeda Formation...Minas Supergroup in the Quadrilátero Ferrífero, Brazil, and has quartz-pebble metaconglomerate that hosts |  | | Journal (issue) | | Decade of Change A New Era for the Historic Coscuez Mine Esmeraldas Santa Rosa: Our Wealth is Green Rediscovery...More Exquisite Emeralds Magnificent Old Mine Emeralds 143 Mine Visit A Visit to Colombia’s “Green” Emerald...Origins and Appellation President Clement Sabbagh, Brazil Vice Presidents Damien Cody, Australia Nirmal Kumar...Kumar Bardiya, India Treasurer Marcelo Ribeiro, Brazil Secretaries Bruce Bridges, USA Santpal Sinchawla...acquiring the majority stake in the iconic Coscuez mine in Colombia. The 2015 Symposium focused on the government’s |  | Huang, Yi-Ru, Guo, Na, Tang, Ju-Xing, Shi, Wei-Xin, Ran, Feng-Qin (2020) Garnet Characteristics Associated with Jiama Porphyry-Skarn Cu Deposit 1# Skarn Orebody, Tibet, Using Thermal Infrared Spectroscopy. Minerals, 11 (1) 5 doi:10.3390/min11010005 | Journal (article/letter/editorial) | | [45] (Figure 3). The occurs as disseminated molybdenite (Figure 4c). Pb–Zn mineralisation is dominated...Garnet is closely related to chalcopyrite and molybdenite, and metal minerals are mostly filled with garnet...b). Mo mineralisation occurs as disseminated molybdenite (Figure 4c). Pb–Zn mineralisation is dominated...Garnet is closely related to chalcopyrite and molybdenite, and metal minerals are mostly filled with garnet...seeds. Q = quartz, Cpy = chalcopyrite, Mol = molybdenite, 3. Methods andpomegranate Samples Gn = galena |  | | Journal (issue) | | Federal University of Ouro Preto, Minas Gerais, Brazil **University of Mainz, FRG 1. Introduction The...Grosso and after that using the BR 407 to Senhor do Bonfim. The distance between Salvador and Campo Formoso...been the most important emerald mining region in Brazil until the discovery of the Santa Terezinha occurrence...Formoso/ "fCARNAIBA Mirangaba \ ~ ^ * * *• ASanhnr do Ronf.m Monte Santo ^**ol!Euclides da Cunna Lpindobaçu...*°* ,x Mundo^^^A B a i x a Novo Grand 'Entre Rio« « •««Sao AlagoinhojKy FE IRA DE SANTANA\ (f o\ |  | | Journal (issue) | | further last ,veek, and imported metal is no,v back do,vn to domestic levels. The ore market is a bit confusing..." Much will come from Tennant's Emusa, Bolivia, mine which went on strike last week. Tin Prices Still...Capital sources feel GSA will scrap these bids. Molybdenite: Kennecott's Canadian subsidiary, British Columbia...will spend $20-million developing a 6000 tpd molybdenite operation at Prince Rupert, B.C. The Alice Arm...output from the mineKennecott's first direct molybdenite operation - \\'ill stay in Canada or go overseas |  | | 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...(2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado. AM. 63. 930-937. 1978. 4...Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO |  | | Journal (issue) | | HPHT-Grown Synthetic Diamonds Diamonds from the Letšeng Mine Fall 2015 VOLUME 51, No. 3 EDITORIAL 221 Trapiche...Glassy melt inclusions in Montana sapphires • Molybdenite in topaz 331 334 Letters Gem News International...red rutile • Rare “star and cross” quartz from Brazil • Serpentine cabochon with olive-green color •...Micro-World entries are not peer-reviewed sections but do undergo technical and editorial review. Copyright...this method. Meanwhile, Lesotho’s Letšeng-la-Terae mine is currently enjoying a renaissance. Rising prices |  | Amstutz, G. C., Goresy, A. El, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis. Springer Berlin, Heidelberg. doi:10.1007/978-3-642-68344-2 | Book | | block I experienced recently when visiting a gold mine in virtually unmetamorphosed ground. A fault cuts..."common sense" observations described from the gold mine with the chert and the organic matter. Another potent...Alterations of Conglomeratic Uranium Ores, Pronto Mine, Ontario, Canada E.Wm. Heinrich (With 1 Figure)...Observations on Ore Rhythmites of the Trzebionka Mine, Upper Silesian-Cracow Region, Poland L. Fontbote...the Cobaltite-Gersdorffite Series from the Raipas Mine, Finnmark, Norway F.M. Vokes and G.S. Strand (With |  | Amstutz, G. C., Goresy, A. EI, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis - The State of the Art - A Volume in Honour of Professor Paul Ramdohr on the Occasion of His 90th Birthday With Special Reference to His Main Scientific Interests - Special Publication of the Society for Geology Applied to Mineral Deposits No. 2. Springer Berlin Heidelberg. | Book | | block I experienced recently when visiting a gold mine in virtually unmetamorphosed ground. A fault cuts..."common sense" observations described from the gold mine with the chert and the organic matter. Another potent...Alterations of Conglomeratic Uranium Ores, Pronto Mine, Ontario, Canada E.Wm. Heinrich (With 1 Figure)...Observations on Ore Rhythmites of the Trzebionka Mine, Upper Silesian-Cracow Region, Poland L. Fontbote...the Cobaltite-Gersdorffite Series from the Raipas Mine, Finnmark, Norway F.M. Vokes and G.S. Strand (With |  | | Report (issue) | | directly measure reserves, and companies or governments do not directly report reserves or reserve base to the...Australia, Brazil Canada China, Mexico, South Africa, Mongolia China, Mexico, Canada, Brazil China, Japan...China India, Belgium, China, Brazil Brazil, Canada, Estonia, Germany Brazil, Germany, Madagascar, Canada...Japan, Russia Canada Mexico, Germany Australia, Brazil, China, Germany Russia, Netherlands, Belgium United...Canada, China, India, Finland Greece Canada, Russia, Brazil, Venezuela Canada, Mexico, Spain, Dominican Republic |  | | Report (volume) | | journals and Government reports from Australia, Brazil, Canada, Chile, China, Germany, India, Japan, Mexico...Mexico, Chile Canada Jamaica, Guinea, Australia, Brazil Brazil, Canada, Estonia, Germany China, Mexico, South...South Africa, Mongolia China, Mexico, Canada, Brazil China, Canada, Japan, Russia South Africa, Gabon,... Australia, China India, Belgium, China, Brazil Brazil, Germany, Madagascar, Canada China, France, Japan...Ireland, Ukraine, Russia Canada, Russia, Venezuela, Brazil Trinidad and Tobago, Canada, Russia, Ukraine Chile |  | | Report (issue) | | directly measure reserves, and companies or governments do not directly report reserves or reserve base to the...Guinea, Brazil, Australia Canada China, Mexico, South Africa, Mongolia China, Mexico, Canada, Brazil China... Belgium South Africa, Gabon, China, Australia Brazil, Canada, Estonia China, Japan, Russia China, France...Russia Canada Mexico, Germany Australia, China, Brazil, Japan Russia, Netherlands, Belgium United Kingdom...Africa, Germany, United Kingdom, Canada Italy, Brazil, Turkey, China Chile, Germany, Netherlands China |  | | Report (issue) | | journals and Government reports from Australia, Brazil, Canada, Chile, China, Germany, India, Japan, Mexico...Suriname Brazil, Canada, Estonia, China China, South Africa, Mexico China, Mexico, Canada, Brazil China...Japan, Russia South Africa, Gabon, Australia, China Brazil, Germany, Madagascar, Canada China, France, Japan...Australia Brazil, South Africa, Canada, Venezuela Canada, Mexico, Peru Canada, Russia, Venezuela, Brazil Ireland...Mexico, Brazil Canada, Peru, Colombia, Brazil Canada, France, Italy, Japan Morocco Canada, Brazil, Chile |  | | Report (issue) | | directly measure reserves, and companies or governments do not directly report reserves to the USGS. Reassessment...Jamaica, Brazil, Guinea, Australia Canada China, Mexico, South Africa China, Mexico, Canada, Brazil China...Africa, Gabon, China, Australia China, Brazil, Belgium, India Brazil, Canada, Germany, Estonia China, Japan...Russia Canada Mexico, Germany Australia, China, Brazil, Japan Russia, Germany, Netherlands United Kingdom...Netherlands Botswana, South Africa, Namibia, India Brazil, Italy, China, Turkey Canada, Peru, Mexico, Ireland |  | | Report (issue) | | data available by December 23, 2004, although the mine production figures in Table 1 are estimated based...journals and Government reports from Australia, Brazil, Canada, Chile, China, Germany, India, Japan, Mexico...compared with 2003 for U.S. raw nonfuel mineral mine production. The increasingly important role of China...Suriname Brazil, Canada, Estonia, Germany China, South Africa, Mexico China, Mexico, Canada, Brazil China...Australia, France India, Belgium, China, Germany Brazil, Germany, Madagascar China, France, Japan, Estonia |  | | Report (issue) | | Suriname Brazil, Canada, Estonia, Ger many China, South Afric a, Mexico China, Mexico, Canada, Brazil China...Australia, Mexico India, Belgium, China, Ger many Brazil, Germany, Madagascar China, France, Japan, Estonia...Mexico, China, United Kingdom Peru, China, Bolivia, Brazil, Indonesia Italy, Canada, India, Spain China, India...ay, Russia, Australia Japan, Kazakhstan, Russia, Brazil Canada, China, Russia, Israel Trinidad and Tobago...Venezuela, Greece Canada, Mexico, Venezuela Canada, Brazil, Australia, Venezuela Canada, China, Mexico, Australia |
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