| Oliveira, Lucilia Aparecida Ramos de, Rios, Francisco Javier, Rosière, Carlos Alberto, Wälle, Markus, Ortelli, Melissa, Kouzmanov, Kalin (2017) Nature and evolution of fluids associated with specularite-bearing Fe and Au-PGE (Jacutinga) mineralization during the Brasiliano orogeny in the eastern São Francisco Craton, Minas Gerais, Brazil. Ore Geology Reviews, 86. 130-153 doi:10.1016/j.oregeorev.2017.02.017 | Journal (article/letter/editorial) | eastern São Francisco Craton, Minas Gerais, Brazil Lucilia Aparecida Ramos de Oliveira a,⇑, Francisco Javier...Instituto de Geociências (IGC), Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais...Gerais 31270-901, Brazil Centro de Desenvolvimento da Tecnologia Nuclear, CDTN, 31270-901 Belo Horizonte,... MG, Brazil c Institute of Geochemistry and Petrology (IGP), ETH Zurich, Clausiusstrasse 25, CH-8092...(‘‘Serpentina-type” ore) versus specularite-rich, S-free Au-PGE quartz veins (‘‘Jacutinga-type”) that occur at the eastern | | de Souza, J. L., Mendes, J. C., da Silveira Bello, R. M., Svisero, D. P., Valarelli, J. V. (1992) Petrographic and microthermometrical studies of emeralds in the ‘Garimpo’ of Capoeirana, Nova Era, Minas Gerais State, Brazil. Mineralium Deposita, 27 (2) 161-168 doi:10.1007/bf00197103 | Journal (article/letter/editorial) | 'Garimpo' of Capoeirana, Nova Era, Minas Gerais State, Brazil J.L. de Sonza ~, J. C. Mendes 1, S. M....Universidade Federal de Ouro Preto, Ouro Preto, Minas Gerais, Brazil 2 IG, Universidade de S~o Paulo, S~o Paulo...Paulo, Brazil Received: November 29, 1990/Accepted: October 2, 1991 Abstract. Petrographic investigations...the area of the Capoeirana emerald deposit, Minas Gerais State, revealed two main lithostructural units...derived from ultramafic rocks, and quartzites. Quartz and pegmatoid veins appear near the contacts between | | | | oxalate dihydrate from Boca Rica mine, Galiléia, Minas Gerais, Brazil, and other occurrences DANIEL ATENCIO...Instituto de Geociências, Universidade de São Paulo, Rua do Lago, 562, 05508-080, São Paulo, SP, Brazil 2 Naturhistorisches...Basel, Switzerland 4 Museu Jobas de Ciências Naturais “José Bonifácio de Andrada e Silva” Rua Martim Afonso...São Vicente, SP, Brazil 5 Rua Esmeralda, 534–Prado, 30410-080, Belo Horizonte, MG, Brazil 1 ABSTRACT The...pegmatite, Sapucaia do Norte, Galiléia Co., Minas Gerais, Brazil. It occurs as: (1) white short prismatic | | Gomes, Sylvio D., Berger, Sarah, Figueiredo e Silva, Rosaline C., Hagemann, Steffen G., Rosière, Carlos A., Banks, David A., Lobato, Lydia M., Hensler, Ana-Sophie (2018) Oxide chemistry and fluid inclusion constraints on the formation of itabirite-hosted iron ore deposits at the eastern border of the southern Espinhaço Range, Brazil. Ore Geology Reviews, 95. 821-848 doi:10.1016/j.oregeorev.2018.03.025 | Journal (article/letter/editorial) | eastern border of the Southern Espinhaço Range, Brazil Sylvio D. Gomes, Sarah Berger, Rosaline C. Figueiredo...eastern border of the Southern Espinhaço Range, Brazil, Ore Geology Reviews (2018), doi: https://doi.org/10...eastern border of the Southern Espinhaço Range, Brazil Sylvio D. Gomesa,*, Sarah Bergerb, Rosaline C...a Carlos, 6627, Pampulha, Belo Horizonte, MG, Brazil b University of Western Australia, Centre for...pegmatite veins and bodies. Fluid inclusion studies in quartz veins associated with the high-grade orebodies | | Dobrzyński, Dariusz, Duliński, Marek, Birski, Łukasz, Barrett, Jordi (2021) Origin of the chemical composition of São Francisco ultra-fresh thermal water (Itabira region, Minas Gerais, Brazil) Applied Geochemistry, 134. 105090pp. doi:10.1016/j.apgeochem.2021.105090 | Journal (article/letter/editorial) | Francisco ultra-fresh thermal water (Itabira region, Minas Gerais, Brazil) Dariusz Dobrzyński a, *, Marek...Gonçalves Dias 916, Belo Horizonte, 30140-091, Minas Gerais, Brazil b A R T I C L E I N F O A B S T R A C...water in the Fazenda Giráu, near Itabira (Minas Gerais state, Brazil) for the first time. The studied...modelling Geothermometer Therapeutic water Minas Gerais Brazil 1. Introduction The object of investigations...Quente) mountain range in Itabira microregion, Minas Gerais state, Brazil (Fig. 1). The São Francisco | | Silveira Braga, Flávia Cristina, Santos, João Orestes Schneider, Rosière, Carlos Alberto, Rolim, Vassily K., Roberts, Malcolm P., Evans, Noreen J., Hagemann, Steffen G. (2020) Ediacaran-Cambrian far-field hydrothermal event in the southeast of the São Francisco Craton, Brazil: Evidence from zircon U-Pb SHRIMP, trace elements, Lu-Hf and oxygen isotopes. Lithos, 356. 105365 doi:10.1016/j.lithos.2020.105365 | Journal (article/letter/editorial) | event in the southeast of the São Francisco Craton, Brazil: Evidence from zircon U-Pb SHRIMP, trace elements...event in the southeast of the São Francisco Craton, Brazil: Evidence from zircon U-Pb SHRIMP, trace elements...event in the southeast of the São Francisco Craton, Brazil: evidence from zircon U-Pb SHRIMP, trace elements...Instituto de Geociências, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil b Faculdade...Faculdade de Engenharia, Universidade do Estado de Minas Gerais, João Monlevade, MG, Brazil c Universidade | | | Report (issue) | tschermigite (coal seams); cassiterite, tourmaline, quartz (pegmatites and hydrothermal). Distribution: In...Aschaffenburg, Spessart Mountains, Bavaria. In the Pendarves mine, Camborne, Cornwall, England. At Capo d’Arco and...Montreal, Quebec, Canada. From Santa Maria de Itabira, Minas Gerais, Brazil. Name: Honors Friedrich Heinrich | | | Journal (article/letter/editorial) | The type locality is the Jacupiranga mine, Cajati, São Paulo, Brazil. Menezesite occurs in small microcrystal-lined...of Junior or Jr. Menezes was born in São Paulo, Brazil, on 5 October 1950, to Luiz Alberto Dias Menezes...graduated from the Escola Politécnica da Universidade de São Paulo (Polytechnic School of the University of...a career with Serrana S.A. de Mineração, operator of the Jacupiranga mine in Cajati, São Paulo State...State. At Jacupiranga, Menezes worked as mine engineer in the mining and crushing operations and as process | | | Journal (article/letter/editorial) | 36849 cookrob@auburn.edu Euclase La Marina Mine, Municipio de Pauna Boyacá, Colombia E uclase is a species...as small (generally less than 2-mm) crystals on quartz crystals found in small greisen deposits in the...Euclase crystal group, 11.2 cm tall, La Marina mine, Municipio de Pauna, Boyacá, Colombia. Scott Rudolph specimen...associated with bertrandite, fluorite, muscovite, and quartz. Specific occurrences include the Boomer, Mary...lack modern verification, include the Lost River mine on the Seward Peninsula, Alaska; the Fisher prospect | | Atencio, Daniel, Coutinho, José M.V., Graeser, Stefan, Matioli, Paulo A., Menezes Filho, Luiz A.D. (2004) Lindbergite, a new Mn oxalate dihydrate from Boca Rica mine, Galiléia, Minas Gerais, Brazil, and other occurrences. American Mineralogist, 89 (7) 1087-1091 doi:10.2138/am-2004-0721 | Journal (article/letter/editorial) | oxalate dihydrate from Boca Rica mine, Galiléia, Minas Gerais, Brazil, and other occurrences DANIEL ATENCIO...'Instituto de Geociências, Universidade de São Paulo, Rua do Lago, 562, 05508-080, São Paulo, SP, Brazil ' Naturhistorisches...Base!, Switzerland ' Museu Jobas de Ciências Naturais "José Bonifácio de Andrada e Silva" Rua Martim Afonso...Vicente, SP, Brazil ' Rua Esmeralda, 534- Prado, 30410-080, Belo Horizonte, MG , Brazil ÁBSTRACT The...pegmatite, Sapucaia do Norte, Galiléia Co., Minas Gerais, Brazil. It occurs as: (1) white short prismatic | | | Book | until he managed to reach the land of his dreams, Brazil. A specialist in the field of geology and mineralogy...France acquired his remarkable collection of giant quartz crystals, exhibited in the National Museum of Natural...crystals and the remarkable mineral treasures of Brazil, as well as the incredible adventures and difficulties...CRYSTALS GIANT QUARTZ CRYSTALS UNIQUE MINERALS IN WORLD MUSEUMS GEM TREASURES OF BRAZIL Cyan Magenta...Crystals GIANT QUARTZ CRYSTALS UNIQUE MINERALS IN WORLD MUSEUMS GEM TREASURES OF BRAZIL SOFIA–MOSCOW | | | Journal (issue) | gem abstracts| Margaritologia pearl newsletter|Santa Fe Symposium proceedings|Fei cui testing in Hong...Articles 708 Coloured Stone Mining and Trade in Brazil: A Brief History and Current Status By Aurélien...Collection V. L. Villani photo p. 758 Cover Photo: Brazil is the source of a variety of coloured stones,...Fritsch, University of Nantes, France; Rui Galopim de Carvalho, Portugal Gemas, Lisbon, Portugal; Lee A...SYNTHdetect Mounted Diamond Screening Device In June 2017, De Beers’ International Institute of Diamond Grading | | | Report (issue) | Geology and Ore Deposits of the Itabira District Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL...Deposits of the Itabira District Minas Gerais, Brazil By JOHN VAN N. DORR 20 and ALUIZIO LICINIO de MIRANDA BARBOSA...GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-C...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the International Cooperation...rocks_____________________________ Geology of the Itabira district__-___-_________________ Stratigraphy. | | | Journal (issue) | Pearl Testing 36 Emeralds from South America – Brazil and Colombia 48 Clinohumite – The Mountain Fire...rise of new economies such as China, India, and Brazil. The challenges have been numerous as these new...every ICA member, I would like to thank the IBGM in Brazil along with every company, individual, and government...Congress in the magnificent and beautiful city of Rio de Janeiro. I am convinced that it will be a very successful...Opening a Tsavorite Mine T anzaniteOne Limited is working towards opening a tsavorite mine not far from its | | | 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) | Hays Editor Alice S. Keller I660 Stewart St. Santa Monica, CA 9 0 4 0 4 Telephone: (800)4 2 1 - 7 2...lose, C A Kurt Nassau Bernardsvllle, N/ Ray Page Santa iMonlco, C A George Rossman Posodenn, C A James... NY Dennis Foltz Santo Monica, C A C. W. Fryer Santa Monica, C A C. S. Hurlbut, Jr. Cambridge, IMA Subscriptions...organization for the jewelry industry, I660 Stewart St., Santa ~Monica,CA 90404. Postmaster: Return undeliverable...Alexandrite from the Pegmatite Districts of Minas Gerais, Brazil Keith Proctor 33 Faceting Large Gemstones | | | Journal (issue) | Karl Schmetzer Petershausen, Germany C. W. Fryer Santa Monica, California John I. Koivula Carlsbad, California...marketed, and merchandized. In diamonds especially, the mine-to-market process has been severely tested. Vertical...sources, manufacturers, and dealers alike. In light of De Beers’s recently stated shift from controlling diamond...Namibia, as well as Madagascar), South America (Brazil and Colombia), central and southern Asia (Sri Lanka...Pakistan; and pink to red tourmalines from Nigeria and Brazil. Diamond was mined in northern Canada for the first | | | Journal (issue) | manager Famous mineral localities: the Broken Hill mine, Zam bia..............................................351 Famous mineral localities: the Cruzeiro mine, past and present ................................G. Warren A new find of crystallized rose quartz in Minas G e ra is ...................................B-2120 Schoten COVER: ELBAITE on quartz from Minas Gerais, Brazil. The crystal is 8.5 mm in width. Photo...Kitwe, Zambia HISTORY The Broken Hill lead-zinc mine is located near the town of Kabwe, 140 km north | | Justo, Ana Paula, Dantas, Elton Luiz, Bau, Michael, Freitas-Silva, Flávio Henrique, Santos, Roberto Ventura, Schorscher, Johann Hans Daniel (2020) Paleobasinal to band-scale REE + Y distribution in iron formations from Carajás, Amazon Craton, Brazil. Ore Geology Reviews, 127. 103750pp. doi:10.1016/j.oregeorev.2020.103750 | Journal (article/letter/editorial) | Iron Formations from Car‐ ajás, Amazon Craton, Brazil Ana Paula Justo, Elton Luiz Dantas, Michael Bau...in Iron Formations from Carajás, Amazon Craton, Brazil, Ore Geology Reviews (2020), doi: https://doi.org/10...in Iron Formations from Carajás, Amazon Craton, Brazil Ana Paula Justoa,b*, Elton Luiz Dantasa, Michael...Daniel Schorschere aInstituto de Geociências, Universidade de Brasília, Brazil; bServiço Geológico do Brasil...Brasil, São Paulo, Brazil; cDepartment of Physics and Earth Sciences, Jacobs University Bremen gGmbH, | | | Report (issue) | "aquamarine" first appeared in print in Anselm Boetius de Boodt's landmark 1609 lapidary Gemmarum et Lapidum...crystal weighed 455 kilograms. 2m: The Queen Anne mine in Zimbabwe has produced crystals up to 2 meters...from some pegmatites. This specimen, from Minas Gerais, Brazil, is housed in the Deutsches Edelstein Museum...crystals are found in soils and stream gravels in Brazil. On the other hand, at high temperatures and pressures...phosphate type pegmatites, beryl is associated with quartz, microcline, albite, muscovite, biotite, ferrocolumbite | | | Report (volume) | Stead (Canada) Gonzalo Veiga (Argentina) Maarten de Wit (South Africa) Geological Society books refereeing...following ways: Sial, A. N., Bettencourt, J. S., De Campos, C. P. & Ferreira, V. P. (eds) 2011. Granite-Related...Northern Sweden. In: Sial, A. N., Bettencourt, J. S., De Campos, C. P. & Ferreira, V. P. (eds) Granite-Related...Pernambuco, Recife, Brazil J. S. BETTENCOURT Universidade de Sao Paulo, Brazil C. P. DE CAMPOS Ludwig-M...FERREIRA Federal University of Pernambuco, Recife, Brazil 2011 Published by The Geological Society London | | | Journal (issue) | moving products from mine to consumer. The main cover image was taken at the AnahÌ mine in Bolivia, a major...result of economic forces and political pressures. De Beers abandoned its single-channel seller role, which...Supplier of Choice to Multiple Suppliers. De Beers. In 2000, the De Beers Diamond Trading Company (DTC), which...enormous rough stockpile, held by corporate parent De Beers, that was valued at more than $4.8 billion...Supplier of Choice was the most significant shift in De Beers’s operations, it also embarked on several major | | | Journal (article/letter/editorial) | The Pederneira Mine São José da Safira, Minas Gerais, Brazil Dedication This article is the culmination...Pederneira mine and with the people who live and breathe the project every day. The Pederneira mine partners...collaboration and belief in our project, the Pederneira mine would have been closed long, long ago. Thank you...me (and the world) your culture and this amazing mine with all its incredible treasures. Thanks also to...Pederneira mine. James Elliott photo; Fine Minerals International specimen. The Pederneira Mine ▲ ▲ São | | | Journal (issue) | Glasgow Prof. R.A. Howie Cambridge Dr J.E. Shigley Santa Monica Paris E. Stern London Tokyo Dr M. Superchi...phenomena are illustrated in the paper by Anthony de Goutiere. Glass of a different nature turned up in...Agustí Moliné i Sala Asociacion Española de Gemologia, Paseo de Gracia 64, 08007 Barcelona, Spain Abstract...Figueras, Director of Courses of Asociacion Espanola de Gemologia, for his assistance and critical reviewing...Determination bdsica de gemas transparentes. Refractometria. Asociacion Espanola de Gemologia, Monografia | | | Journal (issue) | Mining: A Continuing Problem Gemology The Santa Maria Variety Of Aquamarine: Never Heated Blue Sapphires...and tax revenues. Leaders in this field, such as Brazil, Sri Lanka and India, have strongly regulated the...19, saw 583,448 carats of emeralds from the Kagem mine in Zambia offered, with all lots being sold for...abroad of capital. Gemfields operates the Kagem mine in the north of Zambia, in which it has a 75-percent...fellow shareholders in the world-class Kagem emerald mine. It remains our hope that a framework solution which |
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