 | Bitencourt, Caroline Novais, Cruz, Simone Cerqueira Pereira, dos Anjos Cruz, Vanderlucia, Pedrosa-Soares, Antônio Carlos, Paquette, Jean Louis, Alkmim, Ana Ramalho, Barbosa, Johildo Salomão Figueiredo (2019) Rifting events in the southern sector of the Paramirim Aulacogen, NE Brazil: New geochronological data and correlations for the São Francisco – Congo paleocontinent. Precambrian Research, 326. 417-446 doi:10.1016/j.precamres.2018.12.005 | Journal (article/letter/editorial) | | southern sector of the Paramirim Aulacogen, NE Brazil: new geochronological data and correlations for...southern sector of the Paramirim Aulacogen, NE Brazil: new geochronological data and correlations for...southern sector of the Paramirim Aulacogen, NE Brazil: new geochronological data and correlations for...(V. Anjos Cruz). 2 Universidade Federal de Minas Gerais (UFMG), Instituto de Geociências-Centro de Pesquisa...Campus Pampulha, 31270-901, Belo Horizonte, Minas Gerais, Brasil, pedrosasoares@gmail.com (A.C. Pedrosa |  | Miranda, Daniel Andrade, de Oliveira Chaves, Alexandre, Campello, Marcos Santos, Ramos, Sérgio Luís Lima de Moraes (2019) Origin and thermometry of graphites from Itapecerica supracrustal succession of the southern Sao Francisco Craton by C isotopes, X-ray diffraction, and Raman spectroscopy. International Geology Review, 61 (15) 1864-1875 doi:10.1080/00206814.2018.1564073 | Journal (article/letter/editorial) | | Geosciences, Federal University of Minas Gerais (IGC-UFMG), Belo Horizonte, Brazil; bTechnological Center of Nanomaterials...Nanomaterials, Federal University of Minas Gerais (CTnano-UFMG), Belo Horizonte, Brazil ABSTRACT ARTICLE HISTORY...Nacional de Grafite Company around Itapecerica (Minas Gerais), located in the southern Sao Francisco Craton...including quartzite, garnet-biotite gneiss, and graphite schist formed in the Palaeoproterozoic (2.0 Ga)...matter was progressively transformed into graphite. From four graphite samples of three different mines (two |  | Teixeira, Wilson, Carneiro, Maurício Antônio, Noce, Carlos Maurício, Machado, Nuno, Sato, Kei, Taylor, Paul Nigel (1996) Pb, Sr and Nd isotope constraints on the Archaean evolution of gneissic-granitoid complexes in the southern São Francisco Craton, Brazil. Precambrian Research, 78 (1) 151-164 doi:10.1016/0301-9268(95)00075-5 | Journal (article/letter/editorial) | | complexes in the southern S5o Francisco Craton, Brazil Wilson Teixeira a Maurlcio Ant6nio Carneiro b Carlos...11348, S~o Paulo, Brazil b Department of Geology, Federal Unioersity of Ouro Preto, Brazil c Institute of...of Geosciences, Federal University of Minas Gerais, Brazil a Geotop, Universit~ du Quebec ~ Montreal,...rocks are preserved (e.g., Ba~jAo, Caet6); 4 = Minas Supergroup; 5 = intrusive granite; 6 = Mesoproterozoic...association with supracrustal sequences, including the Minas Supergroup, one of the largest banded iron formations |  | Teixeira, Wilson, Oliveira, Elson P., Peng, Peng, Dantas, Elton L., Hollanda, Maria H.B.M. (2017) U-Pb geochronology of the 2.0 Ga Itapecerica graphite-rich supracrustal succession in the São Francisco Craton: Tectonic matches with the North China Craton and paleogeographic inferences. Precambrian Research, 293. 91-111 doi:10.1016/j.precamres.2017.02.021 | Journal (article/letter/editorial) | | Manuscript U-Pb geochronology of the 2.0 Ga Itapecerica graphite-rich supracrustal succession in the São Francisco... U-Pb geochronology of the 2.0 Ga Itapecerica graphite-rich supracrustal succession in the São Francisco... U-Pb geochronology of the 2.0 Ga Itapecerica graphite-rich supracrustal succession in the São Francisco...Institute of Geosciences, University of São Paulo, Brazil. Corresponding author (wteixeir@usp.br) (2) Institute...Campinas, Brazil (3) Chinese Academy of Sciences, China (4) University of Brasília, Brazil Keywords: |  | | Journal (issue) | | mine, Minas Gérais, Brazil. See 'The location, geology and mineralogy of gem tourmalines in Brazil' on...location, geology and mineralogy of gem tourmalines in Brazil Jacques P. Cassedanne, Dr. Sc. *, and Maurice Roditi...tourmaline is the 'Eastern pegmatitic province' of Minas Gerais. One general and three detailed maps of specific...Tourmaline, pegmatite, eluvial deposits, gem mining, Brazil © Gemmological Association and Gem Testing Laboratory...the most remarkable coloured gemstones mined in Brazil where, erroneously, for a long time it was marketed |  | | 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,...Junior (BC Gemas do Brasil, Governador Valadares, Brazil), and heating to 500°C in air was successful in...it is likely to have been Rio Grande do Sul in Brazil, well known for its amethyst, agate and jasper...Trade in Brazil: A Brief History and Current Status Aurélien Reys Coloured stones from Brazil have been |  | Giuliani, G., France-Lanord, C., Coget, P., Schwarz, D., Cheilletz, A., Branquet, Y., Giard, D., Martin-Izard, A., Alexandrov, P., Piat, D. H. (1998) Oxygen isotope systematics of emerald: relevance for its origin and geological significance. Mineralium Deposita, 33 (5) 513-519 doi:10.1007/s001260050166 | Journal (article/letter/editorial) | | (Swat-Mingora districts, d18O +15.7 0.1&), Brazil (Santa Terezinha de GoiaÂs, d18O +12.2 0.1&;...Mineralco 1996) followed respectively, by Zambia (15%), Brazil (10%), Russia (5%), Madagascar (3%), Zimbabwe (2%)...to 10 mg of emerald was converted to CO2 in a graphite furnace at 750 °C and the yields measured by a...from the western zone (mean +21.2 0.5&). In Brazil, emeralds related to peg- Fig. 1 Location of the...eastern emerald zone (EEZ ) : Chivor, GachalaÂ; Brazil ± Carnaõ ba (CA), Socoto (SO), Santa Terezinha |  | | 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 |  | Misi, Aroldo, Iyer, Sundaram S.S., Coelho, Carlos Eduardo S., Tassinari, Colombo C.G., Franca-Rocha, Washington J.S., Cunha, Ioná de Abreu, Gomes, Adriana S. Rocha, de Oliveira, Tolentino Flávio, Teixeira, João Batista G., Filho, Valter Mônaco C. (2005) Sediment hosted lead–zinc deposits of the Neoproterozoic Bambuí Group and correlative sequences, São Francisco Craton, Brazil: A review and a possible metallogenic evolution model. Ore Geology Reviews, 26 (3) 263-304 doi:10.1016/j.oregeorev.2004.12.004 | Journal (article/letter/editorial) | | and correlative sequences, São Francisco Craton, Brazil: A review and a possible metallogenic evolution...Universidade Federal da Bahia, Salvador, BA 40170-290, Brazil b Curso de Pós-Graduação em Geologia, Instituto...Geociências, Universidade Federal da Bahia, Salvador, BA, Brazil c Department of Physics and Astronomy, University...Brasileiro S.A., PETROBRAS-CENPES, Rio de Janeiro, RJ, Brazil e Centro de Pesquisas Geocronológicas, Instituto...Paulo, SP, Brazil f Universidade Estadual de Feira de Santana, Feira de Santana, BA, Brazil g Centro de |  | | Journal (issue) | | Ferruginha district, Conselheiro Pena, Minas Gerais, Brazil . . . . . . . . . . . . . ....lustrous surface with no cracks or internal spots of graphite. Glenn and his wife Cindy do not plan to cut or...Pena Minas Gerais, Brazil Luiz Menezes Rua Esmeralda, no. 534 Bairro Prado, Belo Horizonte Minas Gerais...Gerais, Brazil 30410-080 Email: lmenezesminerals@uol.com.br The Sapo mine exploits a thick sub-horizontal...found at Brazil’s Sapo mine, near Goiabera, in Minas Gerais. The specimens show green and yellow color-zoned |  | | Journal (issue) | | 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...mining also continued at traditional sources in Brazil and Africa. Large quantities of Brazilian emeralds...the early ’90s, particularly from Goiás and Minas Gerais (primarily the Nova Era area). By the middle...decline from Minas Gerais due to decreased reserves and reduced demand. Emerald production in Brazil has since |  | | Journal (article/letter/editorial) | | 8-10 J U N E 30, 1919 OUTLINES OF THE GEOLOGY OF BRAZIL TO ACCOMPANY THE GEOLOGIC MAP OF BRAZIL1 BY JOHN............................ 199 Geologic maps of Brazil..................................................to the Society under the title “Geologic Map of Brazil.” X IV — B o l l . G eol . S oc . A m ., V o l... 190 J . C. BRANNER----OUTLINES OF THE GEOLOGY OF BRAZIL Page Tertiary.................................................................... 248 Espirito Santo................................................ |  | | Journal (article/letter/editorial) | | Au-PGE deposit, Serra dos CarajaÂs (Para State, Brazil): geological and geochemical indications for a...the Serra dos CarajaÂs, a leading mining area in Brazil. This region is characterised by a complex geological...Cidade Universitaria, CP 20899, 01498 SaÄo Paulo, Brazil mineralised vs. nonmineralised samples. These...region (Para State, Brazil) is one of the most important mining areas in Brazil and in the world. It...diraction in some hidrotermalito samples (Table 3). Graphite and amorphous carbonaceous material of unknown |  | | Journal (issue) | | Well-formed crystals also occur in Peru, Bolivia, Chile, Brazil, Japan and Mexico. 'Sand dollars' are particularly...was the rose cut. The discovery of diamonds in Brazil in the early decades of the eighteenth century...diamond-cutting industry based on rough being imported from Brazil. Bauer39 also quotes Geneva as the source of cut...such as approximately 40°C and simultaneously graphite and mica (Peretti er a/., 1990, inspect the inclusion... A kunzit e cat's-eye weig hing 113.32 ct from Brazil is described as are phosgenites from Morocco. Schungite |  | | Journal (issue) | | Preto, Minas Gerais, Brazil **University of Mainz, West Germany ***CPRM, Salvador, Bahia, Brazil 1. Introduction...occurrences in Brazil. Fig. 1. Ceara Cearâ CE-ll Tami CE-llTauâ Minas Gerais Minas MG-l MG-1 Mina Belmont...are found in the Trecho Velho (Socotö) and in Formiga/Trecho Velho (Carnaiba). Based on the similar geological...Carlos da Silveira and Geraldo Leavy (Secretaria das Minas e 163 J. Gemm., 1990, 1990,22,3 J. 22, 3 Energia...Belmont BelmontMine, Mine,Minas Minas Gerais, Brazil. Journal ofGemmothe Gerais, Brazil. Journal of Gemmology |  | | 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...Neoproterozoic successions of the São Francisco Craton, Brazil: the Bambuı́, Una, Vazante and Vaza Barris/Miaba...Neoproterozoic Macaúbas Group, Araçuaı́ orogen, SE Brazil 523 ROCHA-CAMPOS, A. C., DE BRITO NEVES, B. B |  | | Journal (article/letter/editorial) | | portion of the Amazon craton, known as the Central Brazil shield (Figs. 1 and 2). To the east, the province...CarajaÂs region being a subprovince of the Central Brazil shield. The other hypothesis holds that the post-Archean...implies a complex collisional history of northern Brazil prior to 1.8 Ga. According to this model, the...minor amounts of ilmenite, molybdenite, covellite, graphite, uraninite, saorite and cobaltite. Pentlandite...Igarape Bahia, Igarape Pojuca, AÂguas Claras, Formiga (near Serra Pelada), Serra Verde, Igarape Salobo |  | Derstine, Brandon, Chamberlain, Carmen, Glover, Morgan, Porter, Lindsey, Eckermann, Amanda (2018) Structural and electrochemical comparison of trinuclear ruthenium oxo clusters [Ru3(OAc)6O(L)3]+and [Ru3(OAc)6O(L)2(CO)] (L = imidazole, benzimidazole, and 4-phenylpyridine). Acta Crystallographica Section C Structural Chemistry, 74 (11). 1487-1494 doi:10.1107/s2053229618013451 | Journal (article/letter/editorial) | | , Possato, B., da Silva, C. F. N., Paulo, M., Formiga, A. L. B., Bendhack, L. M. & Nikolaou, S. (2015)...CCD diffractometer Radiation source: sealed tube Graphite monochromator Detector resolution: 8.36 pixels...CCD diffractometer Radiation source: sealed tube Graphite monochromator Detector resolution: 8.36 pixels...CCD diffractometer Radiation source: sealed tube Graphite monochromator Detector resolution: 8.36 pixels...CCD diffractometer Radiation source: sealed tube Graphite monochromator Detector resolution: 8.36 pixels |  | | Book | | be shared also with heavier atoms, such as in graphite, with smaller losses. By early 1940, the group...group at Columbia was considering using graphite instead of water, because the former was easier to handle...structurally. The problem was where to get pure graphite and how to pay for it—about $6,000 was needed...at the meeting, Szilard asked for $6,000 to buy graphite. The Army representative argued that wars were...Union Carbide and Carbon Corporation about buying graphite, Zinn adapted a saw in the physics machine shop |  | | Journal (article/letter/editorial) | | IAG, Universidad de São Paulo, Brazil 3 Universidad federal Do Para, Brazil, We present new carbon isotope...organic matter in 15m thick cap dolostones from Brazil (Araras Group), covering glacial deposits correlated...carbon δ13C data are available, including series in Brazil, North China and South China show comparable isotopic...Campinas, SP, Brazil 3 IQ, Campinas State University, PO Box 6154, 13084-971, Campinas, SP, Brazil Oil in variable...microbiota from the Pampo Sul Oil Field, Campos Basin, Brazil. Org. Geochem., 39, 1204-1209. Goldschmidt Conference |  | | Journal (article/letter/editorial) | | Gadolinium anomalies in Atibaia River water (SP, Brazil) F. F. CAMPOS1* AND J. ENZWEILER2 University of...UNICAMP, Institute of Geosciences, Campinas, SP, Brazil 1 *(correspondence: francisco.campos@ige.unicamp...small sectors of Atibaia River, in São Paulo state, Brazil. River water was sampled, filtered through 0,22...Neoproterozoic Jucurutu Formation, Seridó Belt, NE Brazil M. S. CAMPOS1, A. N. SIAL1, C. GAUCHER2, R. FREI3...PEREIRA NEG-LABISE, Dept. Geology, UFPE, Recife, Brazil *(correspondence: valderez@ufpe.br) 2 Fac. Ci. |  | | Book | | Moreto, André Luiz Silva Pestilho, Mineral Province, Brazil Gustavo Henrique Coelho de Melo, Marco Antônio...part of the Southern Amazon craton of northeastern Brazil, is primarily defined by a series of probably Neoarchean...Carajás Mineral Province, Southern Amazon Craton, Brazil: Varying styles of Archean through Paleoproterozoic...iron oxide copper-gold deposit, Carajás, Northern Brazil, in Porter, T.M., ed., Hydrothermal iron oxide...copper-gold systems of the Carajás mineral province, Brazil: Society of Economic Geologists Special Publication |
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