 | Sirqueira, Ana, Moura, Márcia, Botelho, Nilson, Kyser, T. (2018) Nature and Evolution of Paleoproterozoic Sn and Rare Metal Albitites from Central Brazil: Constraints Based on Textural, Geochemical, Ar-Ar, and Oxygen Isotopes. Minerals, 8 (9) 396 doi:10.3390/min8090396 | Journal (article/letter/editorial) | | Paleoproterozoic Sn and Rare Metal Albitites from Central Brazil: Constraints Based on Textural, Geochemical, Ar-Ar...Instituto de Geociências, Universidade de Brasília, Campus Darcy Ribeiro, Brasília 70910-900, Brazil; ana_rita_felix@hotmail...elements (REE), Ta, and Nb are known in Central Brazil, in the Goias Tin Province. The Sn-P enriched albitites...were conducted. The albitites consist of albite, quartz, cassiterite, apatite, K-feldspar, and muscovite...alignment of albite laths, and snowball texture in quartz, apatite, and cassiterite. They are enriched in |  | | Journal (article/letter/editorial) | | Bittencourt Limab a Universidade de São Paulo - USP, Instituto de Geociências, Cidade Universitária...05508-080, São Paulo - SP, Brazil b Serviço Geológico do Brasil - CPRM, São Paulo, Brazil *Corresponding author:...source primarily in an island arc. The Serra da Boa Vista, the upper unit of the Andrelândia Nappe, seems...depositional age of the syn-collisional unit (Serra da Boa Vista) and to the age of the eclogitic rocks. The Andrelândia...of the diachronic closing of a large ocean, the Goiás-Pharusian Ocean (Cordani et al., 2013), whose geologic |  | Marimon, Rodrigo S., Trouw, Rudolph A.J., Dantas, Elton L., Ribeiro, André, Santos, Priscila, Kuster, Klaus, Vinagre, Rodrigo (2021) Provenance of passive-margin and syn-collisional units: Implications for the geodynamic evolution of the Southern Brasília Orogen, West Gondwana. Sedimentary Geology, 413. 105823pp. doi:10.1016/j.sedgeo.2020.105823 | Journal (article/letter/editorial) | | do Rio de Janeiro, Instituto de Geociências, Rio de Janeiro, RJ, Brazil of c Universidade de Brasília...Brasília, Instituto de Geociências, Brasília, DF, Brazil Mineral Exploration Research Centre, Harquail School...the Arantina Unit is divided into the Serra da Boa Vista and Rio Capivari units, the first considered a...this unit between the Rio Cavari and Serra da Boa Vista units, which are equivalent to the Arantina Unit...Geochronology Laboratory of the State University of Rio de Janeiro (UERJ). Pulverized samples were spiked with |  | | Book | | Yociteru Hasui, Fernando F. M. de Almeida, Andrea Bartorelli 50 ANOS DE GEOLOGIA Yociteru Hasui I CONCEITOS...TEMPO PROFUNDO Celso Dal Ré Carneiro, Fernando F. M. de Almeida,Pedro Wagner Gonçalves, Alexandre Uhlein...Yociteru Hasui II TECTÔNICA DE PLACAS E EVOLUÇÃO DOS CONTINENTES 5 - TECTÔNICA DE PLACAS Yociteru Hasui 6...OROGÊNICO MANTIQUEIRA Yociteru Hasui V 16 ESTÁGIO DE ESTABILIDADE TECTÔNICA 16a - EVOLUÇÃO DAS SINÉCLISES...Dal Ré Carneiro, Sergio Bergamaschi, Fernando F. M. de Almeida 16b - SERRA DA CAPIVARA Andrea Bartorelli |  | e Silva, Jonas Mota, Ferreira Filho, Cesar Fonseca, Bühn, Bernhard, Dantas, Elton Luiz (2011) Geology, petrology and geochemistry of the “Americano do Brasil” layered intrusion, central Brazil, and its Ni–Cu sulfide deposits. Mineralium Deposita, 46 (1) 57-90 doi:10.1007/s00126-010-0312-9 | Journal (article/letter/editorial) | | “Americano do Brasil” layered intrusion, central Brazil, and its Ni–Cu sulfide deposits Jonas Mota e Silva...during the Brasiliano/Pan-African Orogenic Cycle in Brazil. The medium-sized ABC consists of interlayered...Dantas Instituto de Geociências, Universidade de Brasília, Brasília, DF 70910-900, Brazil e-mail: cesarf@unb...Synorogenic layered intrusion . Mafic–ultramafic . Brazil . Americano do Brasil Introduction Magmatic Ni–Cu...“Americano do Brasil” Complex (ABC) in central Brazil is hosted by a Neoproterozoic synorogenic mafic– |  | | Journal (article/letter/editorial) | | Gabriel Terrane, Dom Feliciano Belt, southernmost Brazil Luiz Alberto Vedana, Ruy Paulo Philipp & Miguel...Gabriel Terrane, Dom Feliciano Belt, southernmost Brazil, International Geology Review, DOI: 10.1080/00206814...southernmost Brazil Luiz Alberto Vedanaa, Ruy Paulo Philippa and Miguel Angelo Stipp Baseib a Centro de Estudos...Estudos em Petrologia e Geoquímica, Instituto de Geociências, Universidade Federal do Rio Grande do Sul,...Brasil; bCentro de Pesquisas Geocronológicas CPGeo, Instituto de Geociências, Universidade de São Paulo, Porto |  | | Journal (article/letter/editorial) | | DIAMOND-B[SARING MINAS REGION OF NORTHERN GERAES, BRAZIL. LUCIANO J. MORAES AND DJALMA GUIMAR_•ES. TuF...situatedthe principal mineral depositsof economicvalue to Brazil, such as iron, man- ganese,gold, and diamonds...meters. 502 DIAMOND-BEARING REGION 44ø OF BRAZIL. 5o3 43" MAP OF THE DIAMONDRE510NOF NORTHERN...r--,•,L •:=. Map of Diamond Region, Northern Brazil. GENERAL GEOLOGY. The geologicalfeaturesof this...occupiesvast areas both in southern and northeastern Brazil. In the area under review only gneiss and granites |  | | 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 |  | Chukanov, N. V., Scholz, R., Aksenov, S. M., Rastsvetaeva, R. K., Pekov, I. V., Belakovskiy, D. I., Krambrock, K., Paniago, R. M., Righi, A., Martins, R. F., Belotti, F. M., Bermanec, V. (2012) Metavivianite, Fe2+Fe3+2(PO4)2(OH)2·6H2O: new data and formula revision. Mineralogical Magazine, 76 (3) 725-741 doi:10.1180/minmag.2012.076.3.20 | Journal (article/letter/editorial) | | Geology Department, Ouro Preto, Minas Gerais, Brazil Institute of Crystallography, Russian Academy of...Gerais, Brazil Federal University of Itajubá (UNIFEI), Campus Itabira, Itabira, Minas Gerais, Brazil Geological...metavivianite from the Boa Vista pegmatite, near Galiléia, Minas Gerais, Brazil are reported for the first...formula revision, crystal chemistry, Minas Gerais, Brazil. Introduction METAVIVIANITE has a complex history...history. It was discovered at the Big Chief mine, near Glendale, South Dakota, USA and was originally thought |  | | Journal (article/letter/editorial) | | Geology, v. 101, pp. 453–470 Placer Diamonds from Brazil: Indicators of the Composition of the Earth’s Mantle...three placer deposits in Brazil (Arenapolis in the State of Mato Grosso, Boa Vista in the State of Roraima...radiation spots distinguishes the diamonds from Boa Vista from the other deposits. The majority of the diamonds...abrasion textures. In contrast, diamonds from Boa Vista and Canastra are characterized by the absence...and temperature estimates for the diamonds from Boa Vista are similar to the estimates for diamonds from |  | Pereira, Lucas, Birtel, Sandra, Möckel, Robert, Michaux, Bruno, Silva, Andre C., Gutzmer, Jens (2019) Constraining the Economic Potential of By-Product Recovery by Using a Geometallurgical Approach: The Example of Rare Earth Element Recovery at Catalão I, Brazil. Economic Geology, 114 (8) 1555-1568 doi:10.5382/econgeo.4637 | Journal (article/letter/editorial) | | Example of Rare Earth Element Recovery at Catalão I, Brazil Lucas Pereira,1,† Sandra Birtel,1 Robert Möckel...Straβe 40, 09599 Freiberg, Germany University of Goiás, Mine Engineering Department, Capes Scholarship POS-DOC-88881...POS-DOC-88881.119296/2016–01, Catalão, Brazil 3 Department of Mineralogy, TU Bergakademie Freiberg, Brennhausgasse...as a by-product of Nb production at the Chapadão mine in the Catalão I carbonatite complex is used. Catalão...Paranaíba igneous province in the Goias Province of Brazil. Currently, niobium is produced in the complex |  | | Journal (article/letter/editorial) | | Crystal and Diamond Pijies in Brazil. Ill Rock Crystal and Diamond Pipes in Brazil. By KOBERT R. WALLS, M...of a diamond-bearing pipe of igneous origin in Brazil (3).1 The matter, though hotly contested and denied...Africa (10) compares the diamond-bearing pipes of Brazil and South Africa as an indication of the former...definitely known to exist in Brazil. The pipes referred to are those at Sopa, Boa Vista, and Sao Joao do Chapada...to the state, this dilatoriness on the part of Brazil to develop her diamond mines seems unaccountable |  | | 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...Ramboz 639 Vol. 337, No. 8, 2005 29 77 97 Apport de l’imagerie satellitaire radar pour l’exploration...gold-silver system: Geochemistry of fluids at the Mugeuk mine, South Korea—Chil-Sup So, Seong-Taek Yun, Seung-Jun |  | Oliveira, Ítalo L., Brod, José A., Cordeiro, Pedro F.O., Dantas, Elton L., Mancini, Luis H. (2017) Insights into the late-stage differentiation processes of the Catalão I carbonatite complex in Brazil: New Sr–Nd and C–O isotopic data in minerals from niobium ores. Lithos, 274. 214-224 doi:10.1016/j.lithos.2016.12.034 | Journal (article/letter/editorial) | | Complex in Brazil: New Sr-Nd and C-O Isotopic Data in Minerals from Niobium Ores Ítalo L. de Oliveira...2016 30 December 2016 Please cite this article as: de Oliveira, Ítalo L., Brod, José A., Cordeiro, Pedro...Processes of the Catalão I Carbonatite Complex in Brazil: New Sr-Nd and C-O Isotopic Data in Minerals from...Complex in Brazil: New Sr-Nd and C-O Isotopic Data in Minerals from Niobium Ores IP Ítalo L. de Oliveiraa*...Instituto de Geociências, Universidade de Brasília, Campus Universitário Darcy Ribeiro, Faculdade de Ciências |  | 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...Fama, Juca Vieira, Brumal, Boa Vista, Fernandes, Moita, Roça Grande, Bico de Pedra and Pari, as well as |  | | Journal (article/letter/editorial) | | Instituto de Geociências, Universidade de São Paulo, Rua do Lago, 562, 05508-080 – São Paulo, SP, Brazil. *e-mail:...Esmeralda, 534 – Prado, 30410-080 - Belo Horizonte, MG, Brazil. INTRODUCTION The three currently recognized members...of roscherite-group minerals include the Sapucaia mine, Lavra do Ênio, Alto Serra Branca, the Córrego Frio...pegmatite, the Lavra da Ilha pegmatite, and the Pirineus mine. We report here the following three additional occurrences:...arrojadite and serrabrancaite. Lavra do Criminoso, Água Boa, Minas Gerais Unanalyzed “roscherite” occurs as green |  | | Journal (article/letter/editorial) | | Gerais, Brazil DoNAn) R. O•.SEN Abstract Topazdeposition near Ouro Preto,Minas Gerais,Brazil, tookplacein...wasproduced concurrently with andslightlyafter the topaz. Quartz andmuscovite, whicharealwayspresent in thetopaz-bearing...suiteto a mixtureof quartz, topaz, sericite, and kaolinite. Introduction F. P. Boa Nova (1929) examinedthe...and Eschwege,all authorsbased on scantyevidence. quartz,and kaolinite. He thought,on the basisof their...their conclusions During 1967-68 both the Boa Vista mine and mineralassociations and physical appearance |  | | Journal (issue) | | 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...blood ruby, royal blue and cornflower sapphire, old mine/ Muzo green emerald, sunrise and sunset padparadscha |  | Zincone, Stefano A., Oliveira, Elson P., Laurent, Oscar, Zhang, Hong, Zhai, Mingguo (2016) 3.30 Ga high-silica intraplate volcanic–plutonic system of the Gavião Block, São Francisco Craton, Brazil: Evidence of an intracontinental rift following the creation of insulating continental crust. Lithos, 266. 414-434 doi:10.1016/j.lithos.2016.10.011 | Journal (article/letter/editorial) | | System of the Gavião Block, São Francisco Craton, Brazil: Evidence of an intracontinental rift following...System of the Gavião Block, São Francisco Craton, Brazil: Evidence of an intracontinental rift following...System of the Gavião Block, São Francisco Craton, Brazil: evidence of an intracontinental IP T rift following...Campinas, Brazil Department of Geology, Mine School, Federal University of Ouro Preto, Brazil c Université...Université de Liège, Département de Géologie B20, Quartier Agora, Allée du six Août MA b D 12, B-4000 |  | | Journal (article/letter/editorial) | | FIG. 1.—The great diamond mine at Sopa, near Diamantina, Minas Geraes, Brazil. Note the excavation in the... 2.—The great diamond mine at Boa Vista, near Diamantina, Minas Geraes, Brazil. Note the fissure-like...fissure-like excavation of the mine. The surrounding plateau is formed of hard quartzites. To face v- i47-~\ li... li. R. Walls—Diamond Pipes in Brazil. 447 composition, and some of the specimens here described as...boron. The Existence of Diamond-bearing "Pipes" in Brazil. By ROBERT R. WALLS, M.A., B.Sc. (PLATE VIII |  | | Journal (article/letter/editorial) | | Contendas-Mirante Supracrustal Belt, São Francisco Craton, Brazil, as a Paleoproterozoic foreland basin Stefano Zincone...ContendasMirante Supracrustal Belt, São Francisco Craton, Brazil, as a Paleoproterozoic foreland basin, Precambrian...Contendas-Mirante Supracrustal Belt, São Francisco Craton, Brazil, as a Paleoproterozoic foreland basin Stefano Zincone1...of Campinas, P.O. Box 6152, 13083-970 Campinas, Brazil. 2 Department of Geology, School of Mines, Federal...do Cruzeiro, 35400-000 Ouro Preto, Minas Gerais, Brazil. The low-grade Contendas-Mirante meta-volcano-sedimentary |  | Fortes de Lena, Luís Otávio, Pimentel, Márcio Martins, Philipp, Ruy Paulo, Armstrong, Richard, Sato, Key (2014) The evolution of the Neoproterozoic São Gabriel juvenile terrane, southern Brazil based on high spatial resolution U-Pb ages and δ18O data from detrital zircons. Precambrian Research, 247. 126-138 doi:10.1016/j.precamres.2014.03.010 | Journal (article/letter/editorial) | | Neoproterozoic São Gabriel juvenile terrane, southern Brazil based on high spatial resolution U-Pb ages and...␦18 O data from detrital zircons Luís Otávio Fortes de Lena a,∗ , Márcio Martins Pimentel b , Ruy Paulo...Instituto de Geociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS 91501-970, Brazil Instituto...Instituto de Geociências, Universidade de Brasília, Brasília, DF 70910-900, Brazil c Research School of...Australia d Instituto de Geociências, Universidade de São Paulo, SP 05508-070, Brazil b a r t i c l e i |  | | Report (issue) | | Resources of the Congonhas District Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 290 Prepared...the Departamento N acional da Produfao Mineral of Brazil under the auspices of the International Cooperation...Resources of the Congonhas District Minas Gerais, Brazil By PHILIP W. GUILD GEOLOGICAL SURVEY PROFESSIONAL...Departamento N acional da Produ~ao M,ineral of Brazil under the auspices of the International Cooperation...Vein quartz _______________________________ _ Quartz-kyanite-pyrophyllite veins ________ _ Quartz-specularite |  | Scholz, R., Chukanov, N. V., Filho, L. A. D. M., Atencio, D., Lagoeiro, L., Belotti, F. M., Chaves, M. L. S. C., Romano, A. W., Brandão, P. R., Belakovskiy, D. I., Pekov, I. (2014) Césarferreiraite, Fe2+Fe3+2(AsO4)2(OH)2·8H2O, from Eduardo mine, Conselheiro Pena, Minas Gerais, Brazil: Second arsenate in the laueite mineral group. American Mineralogist, 99 (4) 607-611 doi:10.2138/am.2014.4695 | Journal (article/letter/editorial) | | (AsO4)2(OH)2⋅8H2O, from Eduardo mine, Conselheiro Pena, Minas Gerais, Brazil: Second arsenate in the laueite...and Igor Pekov8 Escola de Minas, Departamento de Geologia, Universidade Federal de Ouro Preto (UFOP), Campus...Cruzeiro, 35400-000, Ouro Preto, Minas Gerais, Brazil 2 Institute of Problems of Chemical Physics, Russian...region, 142432, Russia 3 Instituto de Geociências, Universidade Federal de Minas Gerais, Av. Antônio Carlos...Horizonte, Minas Gerais, Brazil 4 Instituto de Geociências, Universidade de São Paulo, Rua do Lago, 562 |  | | Journal (article/letter/editorial) | | NEW MEXICO'S — ORA BLANCHARD MINE By JIM SMEDLEY Mineral Museum, Follansbee, West Virginia On our way...California we planned to visit Mrs. Ora Blanchard's Mine. So, after staying at a motel for the night in Carrizozo...Mexico, we were up at day-break and on our way to the mine. It is 33 miles from Carrizozo to the town of Bingham...from Socorro on Route No. 380 to Bingham, where the mine is located. Do not drive too fast or you will miss...having introduced ourselves, we talked about the mine, and the minerals she has around her home. She will |
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