 | | Journal (article/letter/editorial) | | formed in the Neoproterozoic Araçuaı́ orogen (SE Brazil) during Western Gondwanaland assembly Eliza Peixoto...formed in the Neoproterozoic Araçuaı́ orogen (SE Brazil) during Western Gondwanaland assembly, Gondwana...formed in the Neoproterozoic Araçuaí orogen (SE T Brazil) during Western Gondwanaland assembly a SC R...Alkmimb,1, I.A. Dussina,1 Universidade Federal de Minas Gerais, CPMTC–IGC, Programa de Pós–Graduação em Geologia...31270–901, MG, Brazil Universidade Federal de Ouro Preto, DEGEO–EM, Campus Morro do Cruzeiro, Ouro Preto |  | | Journal (issue) | | Touring Mines in Brazil Gemology 50 Fluid Inclusions Confirm Authenticity of Tibetan Andesine Jewelry and...gem-manufacturing countries, including India, Thailand, Brazil, and China. Meanwhile new gem mineral resources...and Fair Trade certification in Rio de Janeiro, Brazil, last May. These are among the many issues facing...major gem mining, production, and trade centers. ““Brazil has become an important player in the worldwide...in the field of ethical mining and fair trade, Brazil has the opportunity to promote a global exchange |  | | Report (volume) | | Deposits in Minas Gerais Brazil GEOLOGICAL SURVEY BULLETIN 964-C Mica Deposits in Minas Gerais Brazil...M. BARBOSA and RESK FRAYHA, DIVISSO DE FOMENTO, BRAZIL GEOLOGIC INVESTIGATIONS IN THE AMERICAN REPUBLICS...Divisao de Fomento da Produgao Mineral Departamento Nacional da Produgao Mineral, Ministerio da Agricultura...Agricultura, Brazil, under the auspices of the Interdepartmental Committee on Scientific and Cultural Cooperation...__________-___---_____---_-________ Exports of sheet mica from Brazil, 1900-1945-___-__-_______----______ General statement |  | | Journal (issue) | | manager Famous mineral localities: the Broken Hill mine, Zam bia..................................................351 Famous mineral localities: the Cruzeiro mine, past and present ............................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 by...Kitwe, Zambia HISTORY The Broken Hill lead-zinc mine is located near the town of Kabwe, 140 km north |  | | Journal (issue) | | a n d Peter C. Keller Gem Pegmatites of Minas Gerais, Brazil: The Tourmalines of the Governador Valadares...Summer 1985 85 GEM P E G m T I T E S OF MINAS G E M S , BRAZIL: THE T O U R W L I N E S OF THE G O V E...around the city of Araquai, i n northeastern Minas Gerais, and discussed 20 important mines in that area...tourmaline mines i n s o ~ ~ ~ h e a s t eMinas rn Gerais, in the broad area surrounding the gemstone capital...capital, Governador Valadares. Specifically, the Cruzeiro, Golconda, Santa Rosa, and Ionas mines-all of |  | | Report (volume) | | workshop held December 1-10,1986, in Belo Horizonte, Brazil, was hosted by the Institute Brasileiro de Mineragao...Club, Nova Lima, Brazil December 4,1986 1. 2. 3. 4. 5. Sergio C. Guedes Antonio da Silva Wirz Leite...Quadrilatero Ferrffero, Minas Gerais, Brazil Workshop: Belo Horizonte, Brazil, December 1-10,1986 Sponsors:...Data Gold deposits related to greenstone belts in Brazil Deposit modeling workshop; Part A Excursions /...deposits related to greenstone belts in Brazil, Belo Horizonte, Brazil, 1986, by Charles H. Thorman and Eduardo |  | | Book | | MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA © 2009 - CARLOS CORNEJO...Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais. Collection of Alvaro Lucio. Photograph taken...photographs: "Parafba" tourmaline (25 x 6 mm), Sao Jose da Batalha, Parafba. Courtesy of Bruno and Rolando Gioia...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 |  | Araujo, Cristina, Pedrosa-Soares, Antonio, Lana, Cristiano, Dussin, Ivo, Queiroga, Gláucia, Serrano, Paula, Medeiros-Júnior, Edgar (2020) Zircon in emplacement borders of post-collisional plutons compared to country rocks: A study on morphology, internal texture, U–Th–Pb geochronology and Hf isotopes (Araçuaí orogen, SE Brazil) Lithos, 352. 105252 doi:10.1016/j.lithos.2019.105252 | Journal (article/letter/editorial) | | geochronology and Hf isotopes (Araçuaí orogen, SE Brazil) Cristina Araujo, Antonio Pedrosa-Soares, Cristiano...geochronology and Hf isotopes (Araçuaí orogen, SE Brazil) LITHOS, https://doi.org/10.1016/j.lithos.2019...geochronology and Hf isotopes 3 (Araçuaí orogen, SE Brazil) 4 Cristina Araujoa*, Antonio Pedrosa-Soaresa#...Pampulha, Belo Horizonte, Brazil 9 b Universidade Federal de Minas Gerais, Programa de Pós-Graduação...Departamento de Geologia, Morro do Cruzeiro, Ouro 10 Preto, Brazil 11 c Universidade do Estado do |  | Santiago, Raíssa, Caxito, Fabrício de Andrade, Neves, Mirna Aparecida, Dantas, Elton Luiz, Medeiros Júnior, Edgar Batista de, Queiroga, Gláucia Nascimento (2020) Two generations of mafic dyke swarms in the Southeastern Brazilian coast: reactivation of structural lineaments during the gravitational collapse of the Araçuaí-Ribeira Orogen (500 Ma) and West Gondwana breakup (140 Ma) Precambrian Research, 340. 105344 doi:10.1016/j.precamres.2019.105344 | Journal (article/letter/editorial) | | de Pesquisas Manoel Teixeira da Costa, Universidade Federal de Minas Gerais (CPMTC-IGC-UFMG), Campus Pampulha...31270-901, Belo Horizonte, MG, Brazil. 2 – Centro de Ciências Exatas, Naturais e da Saúde, Universidade Federal...Universitário, s/nº - Guararema, 29500-000, Alegre, ES, Brazil. 3 – Laboratório de Geocronologia, Instituto de...de Brasília, Asa Norte, 70910-900, Brasília, DF, Brazil. 4 – Departamento de Geologia, Universidade Federal...Ouro Preto, Campus Morro do Cruzeiro, 35400-000, Ouro Preto, MG, Brazil. a Recipient of a PETROBRAS |  | | Journal (issue) | | from Três Marias Lake and its significance, Minas Gerais, Brazil ..........................................added with sewage sludge and heavy metal salts (Brazil) …………………………………………………….…. 43 Hernando BAGGIO,...disasters: the 2011 - 2012 events in Minas Gerais State - Brazil ……………... 47 Najla LASSOUED, Mohamed...susceptibility in southeastern Rio de Janeiro, Brazil ….. 55 Márcia Andréia da SILVA NUNES, Adolf Heinrich HORN,...Parc and its sourroundings, Espírito Santo State, Brazil ………………………………………………………….. 61 Ahmed TOUIL, Mohamed |  | | Report (volume) | | Published in cooperation with the Departamento de Minas y Petroleo, Chile, under the auspices of the Interdepartmental...________________________________________ Los Mantos mine--_.-___-_--_____-____-_____-_-_---_____-_Champurria...pocket 21. Geologic map of the 170 level, Los Mantos mine, Punitaqui, Chile____________________________________________...pocket 22. Geologic map of the 250 level, Los Mantos mine, Punitaqui, Chile___________________________________________...Mantos mine, Punitaqui, Chile. _____ In pocket 24. Geologic map of the 330 adit, Los Mantos mine, Punitaqui |  | | Book | | Cordani Fernando F. Alkmim Editors São Francisco Craton, Eastern Brazil Tectonic Genealogy of a Miniature...Cordani Fernando F. Alkmim • Editors São Francisco Craton, Eastern Brazil Tectonic Genealogy of a Miniature...Janeiro Maracanã, Rio de Janeiro Brazil Fernando F. Alkmim Escola de Minas Universidade Federal de Ouro...Preto Ouro Preto Brazil Umberto G. Cordani Universidade de São Paulo São Paulo Brazil ISSN 2364-6438...Panoramic view of the interior plateau of the northern São Francisco craton known as the Chapada Diamantina |  | | Journal (issue) | | moving products from mine to consumer. The main cover image was taken at the AnahÌ mine in Bolivia, a major...of the company (Even-Zohar, 2007). Because of the mine closures, De Beers’s market share by volume fell...pink diamonds (0.51 and 0.55 ct) from the Argyle mine in Australia were part of the 2007 Argyle pink diamonds...had acquired a 32.8% interest in Angola’s Catoca mine in the early 1990s. Commissioned in 1997, Catoca...mining giant Rio Tinto opened Canada’s second diamond mine, Diavik, with 60% ownership. Rio Tinto had established |  | Pinheiro, M.A.P., Suita, M.T.F., Lesnov, F.P., Tedeschi, M., Silva, L.C., Medvedev, N.S., Korolyuk, V.N., Pinto, C.P., Sergeev, S.A (2019) Timing and petrogenesis of metamafic-ultramafic rocks in the Southern Brasília orogen: Insights for a Rhyacian multi-system suprasubduction zone in the São Francisco paleocontinent (SE-Brazil) Precambrian Research, 321. 328-348 doi:10.1016/j.precamres.2018.12.006 | Journal (article/letter/editorial) | | multi-system suprasubduction zone in the São Francisco paleocontinent (SE-Brazil) M.A.P. Pinheiro, M.T.F. Suita...multi-system suprasubduction zone in the São Francisco paleocontinent (SE-Brazil), Precambrian Research (2018),...multi-system suprasubduction zone in the São Francisco paleocontinent (SE-Brazil) Pinheiro, M.A.P.,1*, Suita, M...Geological Survey of Brazil (CPRM/SGB), Avenida Brasil, 1731 Belo Horizonte, Brazil Geology Department...University of Ouro Preto (UFOP), Morro do Cruzeiro, Ouro Preto, Brazil Siberian Branch of Russian Academy of |  | | Report (issue) | | and Ore Deposits of the Itabira District Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL Prepared...Prepared in cooperation with the Departamento Nacional da Producao Mineral of Br axil under the auspices of...and Ore Deposits of the Itabira District Minas Gerais, Brazil By JOHN VAN N. DORR 20 and ALUIZIO LICINIO...GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-C...cooperation with the Departamento Nacional da Producao Mineral of Brazil under the auspices of the International |  | | 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 |  | | Journal (issue) | | spessartine inclusion | Tourmaline from the Cruzeiro Mine, Brazil | Natural diamond showing a ‘synthetic’...mixed with sugilite reportedly from the Wessels mine in South Africa. Although the orange stones in the...Large Faceted Quartz from Arkansas, USA The McEarl mine in Garland County, Arkansas, is located within the... Avant acquired a 50 acre portion of the McEarl mine (Figure 7) from Weyerhaeuser Co. in 2010, and has...developing the property since 2011. The McEarl mine was first opened in 1940 and operated until 1943 |  | | Book | | ltatiaia, Conseilheiro Pena, Governador Valadares, Brazil (Roger Titeux collection, France) 4 inches. Above:...Bahia, Brazil (Yves Gillet collection, France) 1.2 inches. Preceding pages: A Tourmaline, Minas Gerais...Gerais, Brazil (4.2 inches) B Tourmaline, Queen Mine, San Diego County, California (8 inches) C Garnet, hessonite...order to extract the gems. Such was the case in Brazil with diamonds; it is still used in the deposits... as in the case of the amethysts of Uruguay or Brazil. Unlike the precious and semi-precious stones, |  | Narduzzi, F., Farina, F., Stevens, G., Lana, C., Nalini, H.A. (2017) Magmatic garnet in the Cordilleran-type Galiléia granitoids of the Araçuaí belt (Brazil): Evidence for crystallization in the lower crust. Lithos, 282. 82-97 doi:10.1016/j.lithos.2017.02.017 | Journal (article/letter/editorial) | | Cordilleran-type Galiléia granitoids of the Araçuaı́ belt (Brazil): Evidence for crystallisation in the lower crust...Cordilleran-type Galiléia granitoids of the Araçuaı́ belt (Brazil): Evidence for crystallisation in the lower crust...Cordilleran-type Galiléia granitoids of the Araçuaí belt (Brazil): evidence for crystallisation in the lower crust...Escola de Minas, Universidade Federal de Ouro Preto, Campus Universitário Morro do Cruzeiro s/n, 35400000...peraluminous (ASI = 0.97 – 1.07) Galiléia batholith (Brazil) is a large (ca. 30000 km2), Neoproterozoic (ca |  | | Report (volume) | | Pernambuco, Recife, Brazil J. S. BETTENCOURT Universidade de Sao Paulo, Brazil C. P. DE CAMPOS Lud...FERREIRA Federal University of Pernambuco, Recife, Brazil 2011 Published by The Geological Society London...(Iran), Asia (Japan and China) and South America (Brazil and Argentina) and spanning rocks from Palaeoproterozoic...–Cambrian granitic magmatism in the Araçuaı́ orogen (Brazil), the Eastern Brazilian Pegmatite Province and...7852, Cidade Universitaria, 50670-000 Recife, PE, Brazil 2 Institute of Geosciences, University of São |  | | Journal (article/letter/editorial) | | the QuadrilaÂtero FerrõÂ fero region, Minas Gerais state, Brazil, one of the major gold provinces in the...intensely carbonatized rock (e.g., the giant Morro Velho mine with >450 t of contained gold). Metabasalts host...Federal de Minas Gerais, Av. AntoÃnio Carlos 6627, Pampulha, Belo Horizonte, Minas Gerais, 31270-901...31270-901, Brazil E-mail: lobato@igc.ufmg.br Fax: +55-31-4995410 L.C. Ribeiro-Rodrigues FAPEMIG Bursary Recipient...Escola de Minas, Universidade Federal de Ouro Preto, Morro do Cruzeiro, Ouro Preto, Minas Gerais, 35400-000 |  | | Book | | cm Page 251: Calcite, Irai, Rio Grande do Sul, Brazil * 12.5 x 10 x 10.5 em Page 252: Gypsum rosette...environment. solidified. In some basalts of India and Brazil, these cavities are large enough for a person...before it ABOVE: Imperial topaz, Ouro Preto, Minas Gerais, Brazil ° 3.3 x 2.7 x 1.8 om, 159.10 ct RIGHT: Round...mineral pigments. LEFT: Malachite, Bwana M’Kubwa Mine, Ndola, Copperbelt, Zambia * 22 x 26 x 16 cm 22...Namibia * 20 x 18 x 14 cm Bladed stibnite, Ichinokawa Mine, Saijo, Shikoku, Japan * 10 x 1 x 1 om Acicular |  | | Journal (issue) | | the gem community: the red gem feldspar known as andesine, reportedly mined in Tibet. GEMS & GEMOLOGY ...SUMMER 2011 87 PHOTOMONTAGE Right: Pala Chief mine owner Bob Dawson (blue shirt) shows the former location...courtesy of Gene Meieran. FIELD TRIPS Above: Stewart mine owner Blue Sheppard ( far left) takes guests underground;...Mark Mauthner explains the geology of the Oceanview mine. Far left: John Chapman ponders a photo of a crystal...left: Rob Ayotte studies a sample from the Stewart mine; Abhay Mehta admires the Balboa Park Carousel egg |  | | Book | | Crystals up to 140mm (5'A in) long occurred in the Ray mine and in Bisbce, Arizona, USA. Very fine spincl-law...100 mm (4 in) long, come also from the San Gcnaro Mine in Huancavclica and Uchucchaqua, Peru. New finds...many localities in California, USA (Colorado Quartz mine. Nigger Hill and others). Fine leaf gold comes from...110 mm (47.6 in) long were very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets...of crystallized gold occurred in the Jamestow n mine. California, USA, where a cavity, which yielded |  | | Book | | Crystals up to 140mm (5½ in) long occurred in the Ray mine and in Bisbee, Arizona, USA. Very fine spinel-law...100 mm (4 in) long, come also from the San Genaro Mine in Huancavelica and Uchucchaqua, Peru. New finds...Dorado, California, US.A. Gold, 68 mm, Eagle's Nest Mine, California, US.A. Gold gold on it. Typical aggregates...many localities in California, USA (Colorado Quartz mine, Nigger Hill and others). Fine leaf gold comes from...mm (4 5/i6 in) long were very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets |
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