 | | Journal (article/letter/editorial) | | AND ORIGIN OF AN LCT-SUITE PEGMATITE WITH LATE-STAGE SODIUM ENRICHMENT, BRAZIL LAKE, YARMOUTH COUNTY, NOVA...395 Ma Brazil Lake granitic pegmatite, a rare occurrence of an LCT-type (Li–Cs–Ta) pegmatite in the Meguma...Group. Previous mineralogical studies showed the pegmatite formed in two distinct stages, an early spodumene...tourmaline) provide insight into the origin of the pegmatite-forming melt and its subsequent internal evolution...metasedimentary source and suggest, instead, that the pegmatite-forming melt originated via partial melting of |  | Soares, D. R., Beurlen, H., Barreto, S. d. B., Da Silva, M. R. R., Ferreira, A. C. M. (2008) COMPOSITIONAL VARIATION OF TOURMALINE-GROUP MINERALS IN THE BORBOREMA PEGMATITE PROVINCE, NORTHEASTERN BRAZIL. The Canadian Mineralogist, 46 (5) 1097-1116 doi:10.3749/canmin.46.5.1097 | Journal (article/letter/editorial) | | TOURMALINE-GROUP MINERALS IN THE BORBOREMA PEGMATITE PROVINCE, NORTHEASTERN BRAZIL Dwight Rodrigues SOARES§ Centro...671, 58100-000, Campina Grande, State of Paraíba, Brazil Hartmut BEURLEN Programa de Pós-Graduação em Geociências...Ramos s.n., 54740-530, Recife, State of Pernambuco, Brazil Sandra de Brito BARRETO and Marcelo Reis Rodrigues...Ramos s.n., 54740-530, Recife, State of Pernambuco, Brazil Ana Claudia Mousinho FERREIRA Centro Federal de...671, 58100-000, Campina Grande, State of Paraíba, Brazil Abstract Various species of the tourmaline-group |  | | Journal (article/letter/editorial) | | AND ORIGIN OF AN LCT-SUITE PEGMATITE WITH LATE-STAGE SODIUM ENRICHMENT, BRAZIL LAKE, YARMOUTH COUNTY, NOVA...Nova Scotia B3J 2T9, Canada Abstract The Brazil Lake pegmatite, in Yarmouth County, Nova Scotia, enriched...conforms to the LCT-suite classification. The pegmatite group, dominated by two subvertical sheets, is...U–Pb tantalite minimum age of 395 Ma for the pegmatite equates to an amagmatic event in this part of...generation of a melt with several wt.% Li2O. Pegmatite orientation and internal textures are consistent |  | | Report (volume) | | Minas Gerais Brazil GEOLOGICAL SURVEY BULLETIN 964-C Mica Deposits in Minas Gerais Brazil By W. T....M. BARBOSA and RESK FRAYHA, DIVISSO DE FOMENTO, BRAZIL GEOLOGIC INVESTIGATIONS IN THE AMERICAN REPUBLICS...da Produgao Mineral, Ministerio da Agricultura, Brazil, under the auspices of the Interdepartmental Committee...__________-___---_____---_-________ Exports of sheet mica from Brazil, 1900-1945-___-__-_______----______ General statement..._-____________--_--_-__-_-_-_-__---__-_. Layers of weathered pegmatite._____________________________ Distribution of |  | Beurlen, H., Thomas, R., Melgarejo, J. C., Da Silva, J. M. R., Rhede, D., Soares, D. R., Da Silva, M. R. R. (2013) Chrysoberyl-sillimanite association from the Roncadeira pegmatite, Borborema Province, Brazil: implications for gemstone exploration. Journal of GEOsciences, 58 (2) 79-90 | Journal (article/letter/editorial) | | association from the Roncadeira pegmatite, Borborema Province, Brazil: implications for gemstone exploration...Hélio Ramos s.n., 50740–530, Recife, Pernambuco, Brazil; beurlen@ufpe.br Helmholtz-Centre Potsdam, German...Paraíba, Brazil Corresponding author The first occurrence of chrysoberyl in the Borborema Pegmatite Province...Province (BPP) in northeastern Brazil is reported from up to 0.5 m large boulders in the dumps covering the...the Roncadeira pegmatite, worked in the 1940’s for Sn- and Ta-ore concentrate. The chrysoberyl occurs |  | | Journal (article/letter/editorial) | | Sources of Colored Gemstones Simmonsite, Zapot pegmatite, Gillis Range, Mineral Co., Nevada, USA. Named...and spessartine. Historic localities are found in Brazil, Madagascar, Russia, and the United States, but...miarolitic cavities found near the centers of pegmatite bodies or in reaction zones between pegmatites...pegmatites (Simmons 2007). Historically, pegmatite deposits in Brazil, Madagascar, Russia, and the United...quartz or feldspar in the core or core margin of a pegmatite Aquamarine (green-blue to blue beryl variety) |  | | Journal (article/letter/editorial) | | PHOSPHATES AND SILICATES IN THE SAPUCAIA PEGMATITE, MINAS GERAIS, BRAZIL: GENETIC IMPLICATIONS Maxime BAIJOT...Grand-Duché de Luxembourg Abstract The Sapucaia pegmatite is located in the well-known Eastern Brazilian...Province (EBPP), Minas Gerais, Brazil. Detailed mapping of the pegmatite body revealed five zones, showing...quartz core (Q). Phosphate masses found in the pegmatite contains two different assemblages: assemblage...geochemically primitive LCT-type pegmatite. The degree of differentiation of the pegmatite increases from the border |  | Baumgartner, R., Romer, R. L., Moritz, R., Sallet, R., Chiaradia, M. (2006) COLUMBITE-TANTALITE-BEARING GRANITIC PEGMATITES FROM THE SERIDO BELT, NORTHEASTERN BRAZIL: GENETIC CONSTRAINTS FROM U-Pb DATING AND Pb ISOTOPES. The Canadian Mineralogist, 44 (1) 69-86 doi:10.2113/gscanmin.44.1.69 | Journal (article/letter/editorial) | | GRANITIC PEGMATITES FROM THE SERIDÓ BELT, NORTHEASTERN BRAZIL: GENETIC CONSTRAINTS FROM U–Pb DATING AND Pb ISOTOPES...Federal do Rio Grande do Norte, 59072–920, Natal, Brazil Massimo CHIARADIA Department of Mineralogy, University...located in the Borborema Province, northeastern Brazil, is well known for its pegmatites and granites...extensional event (550–500 Ma). Homogeneous bodies of pegmatite are barren, whereas the heterogeneous ones have...geochemically variable host-rocks. Keywords: granitic pegmatite, columbite–tantalite, U–Pb, Pb isotopes, Brasiliano |  | Beurlen, H., Barreto, S. B., Silva, D., Wirth, R., Olivier, P. (2007) TITANIAN IXIOLITE - NIOBIAN RUTILE INTERGROWTHS FROM THE BORBOREMA PEGMATITIC PROVINCE, NORTHEASTERN BRAZIL. The Canadian Mineralogist, 45 (6) 1367-1387 doi:10.3749/canmin.45.6.1367 | Journal (article/letter/editorial) | | THE BORBOREMA PEGMATITIC PROVINCE, NORTHEASTERN BRAZIL Hartmut BEURLEN§ Programa de PG em Geociências...Hélio Ramos s.n., 50740–530 Recife, Pernambuco, Brazil Sandra Brito BARRETO Deptamento de Geologia, Universidade...Hélio Ramos s.n., 50740–530, Recife, Pernambuco, Brazil Dailto SILVA Instituto de Geociências, IGE–UNICAMP...Barão Geraldo, 13083–970 Campinas, São Paulo State, Brazil Richard WIRTH GeoForschungsZentrum Potsdam, Telegrafenberg...Hélio Ramos s.n., 50740–530, Recife, Pernambuco, Brazil Abstract Intergrowths of orthorhombic and tetragonal |  | Beurlen, H., de Moura, O. J. M., Soares, D. R., Da Silva, M. R. R., Rhede, D. (2011) Geochemical and geological controls on the genesis of gem-quality "Paraiba Tourmaline" in granitic pegmatites from northeastern Brazil. The Canadian Mineralogist, 49 (1) 277-300 doi:10.3749/canmin.49.1.277 | Journal (article/letter/editorial) | | TOURMALINE” IN GRANITIC PEGMATITES FROM NORTHEASTERN BRAZIL Hartmut BEURLEN§ Departamento de Geologia, Universidade...Hélio Ramos s.n., 50740–530, Recife, Pernambuco, Brazil Odúlio J.M. de MOURA H&R Exportação e Importação...Imperiais 437, CEP 35042–060, Governador Valadares, MG, Brazil Dwight R. SOARES Instituto Federal de Educação...Lemos 671, 58100–000, Campina Grande – Paraíba, Brazil Marcelo R.R. DA SILVA Departamento de Geologia...Hélio Ramos s.n., 50740–530, Recife, Pernambuco, Brazil Dieter RHEDE GeoForschungsZentrum Potsdam, Telegrafenberg |  | | Journal (article/letter/editorial) | | Paulo, Rua do Lago, 562, 05508-080 – São Paulo, SP, Brazil. *e-mail: datencio@usp.br Luiz A.D. Menezes Filho...Esmeralda, 534 – Prado, 30410-080 - Belo Horizonte, MG, Brazil. INTRODUCTION The three currently recognized members...Serra Branca, the Córrego Frio pegmatite, the Lavra da Ilha pegmatite, and the Pirineus mine. We report...Silva (1986) from the Alto Serra Branca granite pegmatite, 11 km southwest of Pedra Lavrada, Paraíba state...“roscherite” were described from the Lavra da Ilha pegmatite, on an island in the Jequitinhonha River, approximately |  | | Journal (article/letter/editorial) | | data on quartz from the Borborema Pegmatite Province, northeast Brazil H. BEURLEN1,*, A. MÜLLER2, D. SILVA3...Hélio Ramos s.n., 50740530, Recife, Pernambuco, Brazil Geological Survey of Norway, Leiv Eirikssons vei...Univesitária Zeferino Vaz, 13083-970Campinas, São Paulo, Brazil [Received 16 July 2010; Accepted 12 July 2011]...rare-element class from the Borborema Pegmatite Province in northeast Brazil were analysed for fourteen trace...degree of magma fractionation and analyses of pegmatite quartz cores can be used for exploration purposes |  | Palinkas, S. S., Wegner, R., Cobic, A., Palinkas, L. A., De Brito Barreto, S., Vaczi, T., Bermanec, V. (2014) The role of magmatic and hydrothermal processes in the evolution of Be-bearing pegmatites: Evidence from beryl and its breakdown products. American Mineralogist, 99 (2) 424-432 doi:10.2138/am.2014.4500 | Journal (article/letter/editorial) | | Aprígio Veloso, 882, Bodocongó, Campina Grande, PB, Brazil 3 Department of Geology, Federal University of...S/N. 5 andar., Cidade Universitária, Recife, PE, Brazil 4 Department of Mineralogy, Eötvös Loránd University...Jacú pegmatites in the Borborema Pegmatite Province in northeastern Brazil contain several generations of...presence of CH4. Keywords: Mina do Santino, Jacú pegmatite, beryl, euclase, bertrandite, kaolinite, quartz...pegmatites in the Borborema Pegmatite Province (BPP) in northeastern Brazil, beryl is hydrothermally altered |  | | Journal (article/letter/editorial) | | ISSN: 1342-937X GREZ Pegmatite Emplacement in the Seridb Belt, Northeastern Brazil: Late Stage Kinematics...Departarnento de Geologia, UFRN 59072-970, Natal Brazil (Manuscript received Jantinry 2 9,2000; acce@d...located in the central part of the Serid6 Belt (NE Brazil), where supracrustal rocks affected by polyphase...and the development of flower structures. Major pegmatite swarms were emplaced during and late as regards...swarms are known from the Nigerian Shield. These pegmatite swarms provide reliable kinematic markers of the |  | | Journal (article/letter/editorial) | | monazites from pegmatites in eastern Minas Gerais, Brazil* K. J. MURATA~, C. V. DUTRA:, M. TEIXEIRA DA...G., Brazil. Instituto de Pesquisas Radioativas, Escola de Engenharia, Belo Horizonte, M.G., Brazil. The...monazitesfrom pegmatitesin easternMinas Gereis,Brazil The data obtained in our study are interpreted...interpreted in terms of the magmatic theory of pegmatite genesis. A basic premise in our inte~retation is that...Caolim pegmatita (no. 1) and the Roqa Grande pegmatite (no. 2) near Juiz de Fora were studied in detail |  | Ludwig, T., Marschall, H. R., Pogge von Strandmann, P. A. E., Shabaga, B. M., Fayek, M., Hawthorne, F. C. (2011) A secondary ion mass spectrometry (SIMS) re-evaluation of B and Li isotopic compositions of Cu-bearing elbaite from three global localities. Mineralogical Magazine, 75 (4) 2485-2494 doi:10.1180/minmag.2011.075.4.2485 | Journal (article/letter/editorial) | | 2011] ABSTR ACT Cu-bearing elbaite from Paraı́ba (Brazil) is a highly-prized gem tourmaline. Specimens of...elbaite endmember composition typically occurs in pegmatite dykes as comb-like layers or in miarolitic cavities...Batalha pegmatite mine of the Borborema Province in the state of Paraı́ba, northeastern Brazil. These...produced today from three different pegmatite districts in Brazil, Mozambique and Nigeria. Prices for...to distinguish ‘Paraı́ba-type’ tourmaline from Brazil and Nigeria, but the grains show T. LUDWIG ET |  | Andrade, M. B., Atencio, D., Persiano, A. I. C., Ellena, J. (2013) Fluorcalciomicrolite, (Ca,Na,☐)2Ta2O6F, a new microlite-group mineral from Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil. Mineralogical Magazine, 77 (7) 2989-2996 doi:10.1180/minmag.2013.077.7.08 | Journal (article/letter/editorial) | | microlite-group mineral from Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil M. B. ANDRADE1, D. ATENCIO2,*...Paulo, Rua do Lago, 562, 05508-080 São Paulo, SP, Brazil Departamento de Fı́sica, Universidade Federal de...Antonio Carlos, 6627, 30123-970, Belo Horizonte, MG, Brazil Departamento de Fı́sica e Informática, Instituto...Paulo, Caixa Postal 369, 13560-970 São Carlos, SP, Brazil [Received 29 May 2013; Accepted 8 September 2013;...accessory mineral in the Volta Grande pegmatite, Nazareno, Minas Gerais, Brazil. Associated minerals include: |  | Beurlen, Hartmut, Da Silva, Marcelo R. R., Thomas, Rainer, Soares, Dwight R., Olivier, Patrick (2008) Nb–Ta–(Ti–Sn) oxide mineral chemistry as tracer of rare-element granitic pegmatite fractionation in the Borborema Province, Northeastern Brazil. Mineralium Deposita, 43 (2) 207-228 doi:10.1007/s00126-007-0152-4 | Journal (article/letter/editorial) | | rareelement granitic pegmatite fractionation in the Borborema Province, Northeastern Brazil Hartmut Beurlen...Borborema Pegmatitic Province (BPP), northeastern Brazil, is historically important for tantalum mining...n., Cidade Universitária, 50740-530 Recife, PE, Brazil e-mail: beurlen@terra.com.br M. R. R. Da Silva...n., Cidade Universitária, 50740-530 Recife, PE, Brazil M. R. R. Da Silva e-mail: marcelor@ufpe.br R. Thomas...possible exploration tool, to trace the degree of pegmatite fractionation and to classify the pegmatites. |  | Strmić Palinkaš, , Palinkaš, , Neubauer, , Scholz, , Šoštarić, , Bermanec, (2019) Formation Conditions and 40Ar/39Ar Age of the Gem-Bearing Boqueirão Granitic Pegmatite, Parelhas, Rio Grande do Norte, Brazil. Minerals, 9 (4) 233 doi:10.3390/min9040233 | Journal (article/letter/editorial) | | Gem-Bearing Boqueirão Granitic Pegmatite, Parelhas, Rio Grande do Norte, Brazil Sabina Strmić Palinkaš 1...Federal de Ouro Preto, Ouro Preto MG-31400-000, Brazil; r_scholz_br@yahoo.com Faculty of Mining, Geology...Abstract: The Boqueirão granitic pegmatite, alias Alto da Cabeça pegmatite, is situated in Borborema Pegmatitic...Pegmatitic Province (BPP) in Northeast Brazil. This pegmatitic province hosts globally important reserves...studied lithium-cesium-tantalum Boqueirão granitic pegmatite intruded meta-conglomerates of the Equador Formation |  | | Report (issue) | | regional lithium-cesium-tantalum rare-metalbearing pegmatite zoning above a parental granite.................zoned lithium-cesium-tantalum rare-metal-bearing pegmatite.................................................chart showing niobium resources and reserves in Brazil, Canada, and the United States...................lithium-cesium-tantalum (LCT)type pegmatites). Brazil and Canada are the leading nations that produce...produce niobium mineral concentrates, but Brazil is by far the leading producer, accounting for about 90 percent |  | | Journal (article/letter/editorial) | | JO_•O DEL REI DISTRICT, MINAS E. WM. GERAIS, BRAZIL x HEINRICH ABSTRACT Two generationsof pegmatitesoccurin...the S[o Jo•o del Rei district of Minas Gerais, Brazil: 1) a pre-tectonicgroup with accessorycassiterite...pegmatitic magma. INTRODUCTION THE lithium pegmatitesof Brazil are imperfectlyknown geologically,but two main...main areasare recognized:1. The northern Brazil area, in the statesof Rio Grande do Norte, Paraiba and Ceara...Surveyandthe Departamento Nacionalda Produqao Mineralof Brazil. \Vork in Minas Gerais was under the direction |  | 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) | | from Eduardo mine, Conselheiro Pena, Minas Gerais, Brazil: Second arsenate in the laueite mineral group Ricardo...Cruzeiro, 35400-000, Ouro Preto, Minas Gerais, Brazil 2 Institute of Problems of Chemical Physics, Russian...6627, 31270-901, Belo Horizonte, Minas Gerais, Brazil 4 Instituto de Geociências, Universidade de São...Paulo, Rua do Lago, 562, 05508-080, São Paulo, SP, Brazil 5 Universidade Federal de Itajubá (UNIFEI), Campus...Campus Itabira, Itabira, Minas Gerais, Brazil 6 Escola de Engenharia, Universidade Federal de Minas Gerais |  | Faulstich, Fabiano R.L., Schnellrath, Jurgen, De Oliveira, Luiz F.C., Scholz, Ricardo (2014) Rockbridgeite inclusion in rock crystal from Galileia region, Minas Gerais, Brazil. European Journal of Mineralogy, 25 (5) 817-823 doi:10.1127/0935-1221/2013/0025-2307 | Journal (article/letter/editorial) | | rock crystal from Galileia region, Minas Gerais, Brazil FABIANO R.L. FAULSTICH1,*, JURGEN SCHNELLRATH1...Technology, Avenida Pedro Calmon, Rio de Janeiro, RJ, Brazil *Corresponding author, e-mail: ffaulstich@cetem...Federal de Juiz de Fora (UFJF), Juiz de Fora, MG, Brazil 3 Departamento de Geologia, Escola de Minas, Universidade...Universidade Federal de Ouro Preto (UFOP), Ouro Preto, MG, Brazil Abstract: A set of rock crystals with pleochroic...carried out by Fisher (1958), who divided the pegmatite phosphates according to the stage of crystallization |  | | Journal (article/letter/editorial) | | rare-element pegmatites in the Borborema Province of Brazil Robert B. Trumbull a,⁎, Hartmut Beurlen b, Michael...Hélio Ramos s.n., 50740-530 Recife, Pernambuco, Brazil Instituto Federal de Educação, Ciência e Tecnologia...Coelho Lemos 671, 58100-000 Campina Grande, Paraíba, Brazil a r t i c l e i n f o Article history: Received...pegmatites and 1 barren pegmatite in the Borborema Pegmatite Province of NE Brazil, and also from a leucogranite...consistent with increasing differentiation of a pegmatite magma. Previous studies supposed a continuous |  | Witzke, T., Steins, M., Doering, T., Schuckmann, W., Wegner, R., Pöllmann, H. (2011) Fluornatromicrolite, (Na,Ca,Bi)2Ta2O6F, a new mineral from Quixaba, Paraíba, Brazil. The Canadian Mineralogist, 49 (4) 1105-1110 doi:10.3749/canmin.49.4.1105 | Journal (article/letter/editorial) | | Bi)2Ta2O6F, A NEW MINERAL SPECIES FROM QUIXABA, PARAÍBA, BRAZIL Thomas WITZKE§ Martin-Luther-Universität Halle...Campus do Guamá, CP 1611-66075-110, Belém, Pará, Brazil Reinhard WEGNER Universidade Federal do Paraíba... Bloco BS, Campus II, Campina Grande, Paraíba, Brazil Herbert PÖLLMANN Martin-Luther-Universität Halle...Quixaba granitic pegmatite near Quixaba village, municipality of Frei Martinho, Paraíba, Brazil. Fluornatromicrolite...supergroup, microlite group, Quixaba, Paraíba, Brazil. Sommaire La fluornatromicrolite est une nouvelle |
|
