 | Gomes, Celso de Barros, Comin-Chiaramonti, Piero, Azzone, Rogério Guitarrari, Ruberti, Excelso, Rojas, Gaston Eduardo Enrich (2018) Cretaceous carbonatites of the southeastern Brazilian Platform: a review. Brazilian Journal of Geology, 48 (2) 317-345 doi:10.1590/2317-4889201820170123 | Journal (article/letter/editorial) | | Universidade de São Paulo – USP, São Paulo (SP), Brazil. E-mails: cgomes@usp.br, rgazzone@usp.br, exrubert@usp...carbonatite occurrences of different regions of Brazil, Paraguay and Bolivia. Locality Occurrence Petrography...Petrography Mineralogy Age References BRAZIL Ribeira Valley 1 Barra do Itapirapuã Dike, vein, breccia..., Flo, Op (Hm, Il), Ch n.d. 75, 76 15 Araxá (Barreiro) Stock, dike Mg-ca, Ca-ca, Fe-ca Gl, Py,...Toniolo et al. (2013); 76, Monteiro et al. (2016); Araxá: 77, Issa Filho et al. (1984); 78, Traversa et al |  | | Report (issue) | | Resources of the Pico de Itabirito District Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL Prepared...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International...District Minas Gerais, Brazil By ROBERTS M. WALLACE GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS...GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-F Prepared in cooperation with the Departamento...Departamento Nacional da Producao Mineral of Brazil under the au-spices of the Agency for International Development |  | | Journal (article/letter/editorial) | | from calcite-rich types through ankerite- and siderite- dominated ferrocarbonatites, with extreme Ba...OU58740 Quartzo-feldspathic fenite adjacent to siderite carbonatite Coyote Peak, California (Erd et al...at distances of i0, 15 and 100 cm from a thin siderite dyke (Li content 3 ppm), the Li concentration...pattern of Li distribution, although a similar siderite dyke, spatially associated with norsethite-rich...has previously been metasomatically enriched (Barreiro and Cooper, 1987). Crustal interaction is limited |  | | Report (issue) | | Development of the Quadrilatero Ferrifero Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 641-A...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International...Development of the Quadrilatero Ferrifero Minas Gerais, Brazil By JOHN VAN N. DORR 2d REGIONAL GEOLOGY...GEOLOGY OF THE QUADRILATERO FERRIFERO, MINAS GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 641-A...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International |  | | Report (issue) | | the Departmento National da Produ^ao Mineral of Brazil under the auspices of the Agency for International...Ferrifero, Minas Gerais, Brazil By NORMAN HERZ REGIONAL GEOLOGY OF THE QUADRILATERO FERRIFERO, MINAS GERAIS...GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL Prepared in cooperation with the Departmento Nacional da Produqao...Produqao Mineral of Brazil under the auspices of the Agency for International Development of the United...Ferrifero, Minas Gerais, Brazil. (Regional geology of the Quadrilatero Ferrifero, Minas Gerais, Brazil) (Geological |  | | Report (issue) | | led by, in decreasing order of reserves, China, Brazil, Australia, and India (Gambogi, 2015). Australia...Western Australia, Australia, and Araxá in the State of Minas Gerais, Brazil). The principal REE minerals...20° 10° 0° 10° 20° 30° 40° 50° 60° 80° Araxá Buena Norte mining district Zandkopsdrift Lofdal...the Araxá deposit, which overlies the Barreiro carbonatite complex in the State of Minas Gerais, Brazil;...Catalão I carbonatite complex in the State of Goiás, Brazil; and the Mount Weld carbonatite in Western Australia |  | | Journal (article/letter/editorial) | | Weathered crusts overlying carbonatite complexes in Brazil and one hard rock carbonatite deposit in Canada...currently Mibra Mine, Volta Grande (Brazil), the Pitinga Mine (Brazil) and Marropinno (Mozambique). The...Papp (2009a, 2011a, 2013a) 1200 1000 Australia Brazil Canada 800 Rwanda Mozambique 600 Other World...Russia and India. Production comes primarily from Brazil. Production from Canada and other 500 400 300...and Papp (2009a, 2011b, 2013b) 70000 60000 50000 Brazil 40000 Canada 30000 Other World Total 20000 |  | | Journal (article/letter/editorial) | | 2015 (Mt) Reserves (Mt) Igneous phosphorites Brazil Russia South Africa 6.04 11.00 2.16 6.70 12.50...rock production. Igneous phosphate deposits in Brazil, most associated with Cretaceous alkaline carbonatite...500 Mt), followed by Russia (1,300 Mt), and then Brazil (315 Mt; Table 1). Apatite The apatite supergroup...Maymeicha-Kotui provinces), with single examples in Brazil (Catalão) and the Republic of South Africa (Phalaborwa;...phosphatic ores is from mines in Russia, Finland, Brazil, and the Republic of South Africa (App. 1). Sedimentary |  | Dressel, Bárbara Carolina, Chauvet, Alain, Kouzmanov, Kalin, Trzaskos, Barbara, Bruguier, Olivier, Monié, Patrick, Villanova, Sandro Notto, Newton, José Bazille (2022) The Passa Três Granite Intrusion-Related/Hosted Neoproterozoic Gold Deposit (Paraná State, Brazil): Mineralogical, Geochemical, Fluid Inclusion and Sulphur Isotope Constraints. Minerals, 12 (4) 407 doi:10.3390/min12040407 | Journal (article/letter/editorial) | | ted Neoproterozoic Gold Deposit (Paraná State, Brazil): Mineralogical, Geochemical, Fluid Inclusion and...ted Neoproterozoic Gold Deposit (Paraná State, Brazil): Mineralogical, Geochemical, Fluid Inclusion and...Heráclito dos Santos, 210, Curitiba 81531-970, PR, Brazil; barbaratrzaskos@ufpr.br Capes-PDSE Scholarship...Foundation, Ministry of Education of Brazil, Brasília 70040-020, DF, Brazil Department of Earth Sciences, University...803-Lt. São Gerônimo, Campo Largo 83606-177, PR, Brazil; sn.villanova@gmail.com (S.N.V.); josebazille@hotmail |  | | Journal (article/letter/editorial) | | compositions from calcite- through dolomite–ankerite- to siderite- and norsethite-rich varieties. Carbonates and...Cooper 1971). More recently, U–Pb and Rb–Sr ages (Barreiro & Cooper 1987, Cooper et al. 1987) and K–Ar studies...weathering varieties are dominated by ankerite or siderite, cream or whitish varieties contain combinations...calcite and ferroan rhodochrosite – manganoan siderite (the volumetrically dominant CII carbonatites...on-line to the mass spectrometer. Dolomite and siderite were reacted at 50°C over 48 hours. Concentrations |  | | Journal (issue) | | mining-themed park was approved in 2000, and the Minas de Almadén y Arrayanes The Mineralogical Record...of the mines has been the responsibility of the Minas de Almadén y Arrayanes (MAYASA), a State-owned company...was at that time Governor of the Almadén mines (Barreiro, 1992). From 1776 to 1784, King Carlos III commissioned...others, several specimens of cinnabar from Almadén (Barreiro, 1992). In 1791, the Assistant Director of the...2 cm. They are associated with pyrite, quartz, siderite and pyrophyllite, and rarely with metacinnabar |  | | Report (issue) | | the Nova Lima and Rio Acima Quadrangles Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-A...the Departamento N acional da Producao Mineral of Brazil under the auspices of the International Cooperation...Quadrangles Minas Gerais, Brazil By JACOB E. GAIR GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS, BRAZIL...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the International Cooperation...bodies Age relations__ __ 6 33 '58 6 Raposos mines Minas series6 33 60 Bicalho mine 6 33 Caraga group6 60 |  | | Report (issue) | | sphalerite), clay minerals, carbonates (calcite and siderite), and iron oxides. Organic matter can also be...Zhayrem (Gauert, 2001). 80° Neuquen-Mendoza Araxá Camamu 0° Jameson Land basin Jbel Irhoud 45°... Gangue minerals include carbonates (calcite, siderite), fluorite, quartz, and pyrite or other sulfide...recovered. The Araxá deposit, which lies within the alkalineultramafic Barreiro complex in Minas Gerais, Brazil...Pass and both rare-earth elements and niobium for Araxá and Mau Xe. Thus, any barite production from them |  | | 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 |  | | Report (issue) | | and Ore Deposits of the Itabira District Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL Prepared...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...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the International Cooperation..._____ Thickness and contacts..________________ Minas series ________________________________ Cara§a group |  | Chakhmouradian, Anton R., Reguir, Ekaterina P., Kressall, Ryan D., Crozier, Jeremy, Pisiak, Laura K., Sidhu, Ravinder, Yang, Panseok (2015) Carbonatite-hosted niobium deposit at Aley, northern British Columbia (Canada): Mineralogy, geochemistry and petrogenesis. Ore Geology Reviews, 64. 642-666 doi:10.1016/j.oregeorev.2014.04.020 | Journal (article/letter/editorial) | | the supply market is essentially controlled by Brazil (N90% since 2000: IBRAM, 2012; Moreno, 2011), it...their own sources of this element independent of Brazil (e.g., Dzhumaylo and Skorobogat'ko, 2013; Pistilli...Ta)2O6] from granites and pegmatites of Africa and Brazil (Bastos Neto et al., 2009; Melcher et al., in this...Johnson/ Pawnee Co's, Nebraska, USA Barreiro, Araxá, Minas Gerais, Brazil Boa Vista and other projects, Catalão...Catalão I and II, Goiás, Brazil Neoprot.? Upper Permian? Lateritic profile with reduced horizons over |  | | Journal (article/letter/editorial) | | nio bium and several deposits such as Araxá and Cataláo (Brazil), Saint Honoré (Canada) and Lueshe (Zaire...carbonatites, late calcite, calciteankerite and sideriterhodoch rosite carbonatites and carbonatezeolite...of the Barreiro Car bonatitic Complex, Araxa, MG, Brazil”, in Carbonatitic Complexes of Brazil: Geology...Sallanlatvi Complex – a Rare Example of Magnesite and Siderite Carbonatites, in Phoscorites and Carbonatites |  | | Journal (article/letter/editorial) | | evolved, with assemblages dominated by ankerite, siderite and Ba-Sr-REE carbonates. Microprobe analysis...hydrothermal veins of sphalerite, galena, pyrite, siderite and calcite associated with a Zn-Pb ore body from...intrusion of mantle-derived lamprophyric magmas (Barreiro and Cooper, 1987) is thought to relate to tensional...Ankerite(Feo.a82Mno.o52Mgo.a52Cal.oo4 (CO3)2)-siderite (Fel.476Mno.lo4Mgo.418Cao.o16(CO3)2)-albite(Ab99....sAno.5)-niobian rutile-magnesio-arfvedsonite-siderite (Fel.172Mno.o22Mgo.8o2Cao.os8 (CO3)2)-chalcop |  | | Journal (volume) | | Deposits in the Carajás Mineral Province, Pará State, Brazil Rosaline Figueiredo e Silva, Lydia Maria Lobato...educated Dutch geologist and permanent resident of Brazil with an M.Sc. degree in metamorphic geology, under...in the Espinhaço Range and has worked widely in Brazil and shield South America, mainly on exploration...geologic, mineral resources, and geotectonic map of Brazil, published in 4 sheets and in DVDGIS format with...degree in geology from the Federal University of Minas Gerais in 2002, with project focus on the Engenho D´Água |  | Bačík, P., Uher, P., Dikej, J., Puškelová, Ľ. (2018) Tourmalines from the siderite-quartz-sulphide hydrothermal veins, Gemeric unit, western Carpathians, Slovakia: crystal chemistry and evolution. Mineralogy and Petrology, 112 (1) 45-63 doi:10.1007/s00710-017-0500-8 | Journal (article/letter/editorial) | | 1007/s00710-017-0500-8 ORIGINAL PAPER Tourmalines from the siderite-quartz-sulphide hydrothermal veins, Gemeric unit...gangue mineral in a large number of Cretaceous siderite-quartz-sulphide hydrothermal veins in the Gemeric...presence, tourmalines are rarely reported within siderite-quartz-sulphide hydrothermal systems worldwide...a large number of deposits in association with siderite and quartz, rarely with ankerite, calcite, barite...references therein). Although many studies described siderite and sulphide ore minerals of the Gemeric Unit |  | Prokopyev, Ilya R., Doroshkevich, Anna G., Sergeev, Sergey A., Ernst, Richard E., Ponomarev, Jean D., Redina, Anna A., Chebotarev, Dmitry A., Nikolenko, Anna M., Dultsev, Vladislav F., Moroz, Tatyana N., Minakov, Alexey V. (2019) Petrography, mineralogy and SIMS U-Pb geochronology of 1.9–1.8 Ga carbonatites and associated alkaline rocks of the Central-Aldan magnesiocarbonatite province (South Yakutia, Russia) Mineralogy and Petrology, 113 (3) 329-352 doi:10.1007/s00710-019-00661-3 | Journal (article/letter/editorial) | | hydrothermal-metasomatic minerals are quartz, calcite and siderite aggregates with haematite, monazite-(Ce), xenotime-(Y)...anhydrite, thorite, thorianite, xenotime-(Y), siderite, pyrite, chalcopyrite, galena and rutile-(Nb)...quartz, barite, anhydrite, thorite, rutile-(Nb), siderite, carbonates and hydrocarbonates of REE - ancylite-(Ce)... Magnetite Quartz Quartz Calcite Calcite Siderite Barite Barite Anhydrite Rutile-(Nb) Sulfides:...content is below the detection limit (Table 3). Siderite is more abundant in the hydrothermal-metasomatic |  | | Journal (article/letter/editorial) | | supply was dominated by one or few deposits (e.g. Araxá for Nb, Bayan Obo for REE) generated little exploration...(1966) has 15% Fe; this is not an ore, but the Minas Gerais “itabirite”, with 40% Fe, will soon be mined...veins and shear zones like Obuasi or Paracatu (Brazil), with or without gold, also reside in “black shales”...mineralization underneath, as in Igarapé Bahía, Brazil and Boddington, Western TE Australia. Boddington...Alemão IOCG orebody in the Igarapé Bahia deposit, Brazil; Merlin D high-grade shear-related Mo orebody |  | | Book (edition) | | International Symposium on Carbonatites in Pocos de Caldas, Brazil for which this writer was keynote speaker. The... Pakistan, Quebec, Finland, Guyana, Venezuela, Brazil, Paraguay, Angola and South-West Africa, i.a. Carbonatites...Quebec and Araxa, Brazil) and important sources of P, Ti, Cu and CaCO; (Jacupiranga, Brazil). In addition...Carbonatites of the World United States Canada Brazil Greenland, Europe, and the U.S.S.R. Africa India...Algoma-Sudbury districts of Ontario (Parsons, 1961). For Brazil few detailed reports are available, but summaries |  | | Journal (issue) | | ELBAITE on albite, from the Jonas mine, Minas Gerais, Brazil. Keith Proctor specimen; photo by Harold...Rio de Janeiro, Brazil INTRODUCTION Recently, a small pegmatite body in Minas Gerais has produced magnificent...many minerals, mainly phosphates, which are new to Brazil and very good specimens are still recoverable from...rich in triphylite, vivianite, graftonite and siderite. Along the cut leading to the adit a large pile...in weight, and are surrounded by vivianite and siderite. The mine started with feldspar production. Then |  | | Journal (article/letter/editorial) | | cooper@otago.ac.nz) Abstract NU Dolomite-ankerite-siderite ferrocarbonatite dykes of the Alpine Dyke swarm...clusters and lenses of a deeper brown weathering siderite are orientated PT parallel to the dyke margins...alternating with vein-like patches of ankerite and siderite. Hematite and muscovite are constant accessory...ankerite, PT but contains lenses or segregations of siderite. Coarser grained patches comprise barite-Ba m...magnification back scatter imagery of OU 83979, siderite MA (Ca0.009Mg0.542Fe1.318Mn0.131Sr0.000(CO3)2 |
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