 | | Journal (article/letter/editorial) | | Amphibolites of the Lafaiete,MinasGerais,andthe SerraDo Navio ManganeseDeposits,Brazil I•]'ORMANHERZ AND...Abstract The basementin both the Lafaiete District, Minas Gerais, in the Brazilian Shield and the Serra...ortho- in Lafaiete and para- in Amap/t and form wall rocksfor the carbonate protore. In Lafaiete, the protoresequenceis...hemisphereand the fourth largest in the world are found in Brazil report. with total reserves in terms of Mn- ...manganese depositis in the lative productionin Brazil are in the Serra do Navio, FederalTerritory of |  | | Journal (issue) | | • Neuigkeiten aus Namibia • Mineralien vom Morro da Mina, Brasilien • Museum Köln /2012 The Munich...Ein Besuch in Bad Ems 10 Der Morro da Mina in Conselheiro Lafaiete, Brasilien 12 Das Mineralogische...Und mit den Silbermünzen wurde Sachsen reich ... Da die Stadtanfänge von Freiberg etwa ab 1162 angesetzt...geändert. In einer Kooperation mit „Okorusu Fluorspar Mine" wurden von dieser Bergbaugesellschaft Wassertanks...josef.papp@sbg.at. Aus einem Nachlass abzugeben: MINE· RAUEN-Welt in Stehsammlern: 19942005,MINERALIEN-Welt |  | | Book | | MINES AND MINERALS IN BRAZIL --= ··--· ··- ·-·=- MINES AND MINERALS IN BRAZIL J OSIAS LEAO (ECONOMIC...regarding water power and industry of electr·icity in Brazil were specially prepared at the Division of Waters............................................ 169 Talc and Soapstone ......................................... 189 SUMMARY OF THE MINERAL RESERVES OF BRAZIL..... . ... ....... . .. 199 STATISTICAL TABLES...practically untouched, the mineral reserves of Brazil have already been a source of wealth to many and |  | | Book | | MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA © 2009 - CARLOS CORNEJO...26 mm), Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais. Collection of Alvaro Lucio. Photograph...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 |  | | Book | | 1982 Jules Roger Sauer ” Foreword For years Brazil has been the major producer of colored stones in...metamorphic rocks, the variety of gem deposits in Brazil is almost infinite. In addition to the mineral...assemblage one might expect from pegmatite dikes, Brazil also produces a very significant output of diamonds...written in English, and beautifully illustrated. “Brazil, Paradise of Gemstones’, by Jules Roger Sauer,...the Cruzeiro tourmaline and mica mine and the Jacobina amethyst mine. He owns several other mines as well |  | | Report (issue) | | and Ore Deposits of the Alegria District, Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-J...cooperation with the Departamento National da Producao Mineral of Brazil under the auspices of the Agency for...District, Minas Gerais, Brazil By CHARLES H. MAXWELL GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS...GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-J Prepared in cooperation with the Departamento...Departamento National da Producao Mineral of Brazil under the auspices of the Agency for International Development |  | | Report (issue) | | Mineral Resources of the Congonhas District Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 290...cooperation with the Departamento N acional da Produfao Mineral of Brazil under the auspices of the International...Mineral Resources of the Congonhas District Minas Gerais, Brazil By PHILIP W. GUILD GEOLOGICAL SURVEY ...cooperation with the Departamento N acional da Produ~ao M,ineral of Brazil under the auspices of the International...__________________ _ Iron region of central Minas Gerais _______________ _ Congonhas district_ ________________________ |  | | Journal (article/letter/editorial) | | JULY-A UG UST O195 THE GEOLOGY OF CENTRAL MINAS GERAES, BRAZIL E. C. HARDER Washington, D.C. AND R. T...ores' of Minas Geraes may be classified as follows. SH. K. Scott, "The Iron Ores of Brazil," Jour. Iron...LXI, (1902), 248; O. A. Derby, "The Iron Ores of Brazil," Iron Ore Resources of the World, p. 313, Stockholm... Leith and E. C. Harder, "The Hematite Ores of Brazil and a Comparison with the Hematite Ores of Lake...Ores of Brazil," Econ. Geol., IX, (1914) ioi-iI; E. C. Harder, "The Iron Industry in Brazil," Bull. Am |  | | 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 (article/letter/editorial) | | THE GEOLOGY OF CENTRAL MINAS GERAES, BRAZIL E. C. HARDER Washington, D.C. AND R. T. CHAMBERLIN University...continent. It is that section of the state of Minas Geraes, Brazil, which lies between Diamantina (latitude...geologically the most typical and complex part of eastern Brazil. Running north and south across it is the Serra...Serra do Espinhago, or Backbone Ridge of Brazil, which forms the eastern rim of the Sao Francisco basin and...gives the key to the geology of most of eastern Brazil, for either within the range, or closely associated |  | | Report (issue) | | Development of the Quadrilatero Ferrifero Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 641-A...cooperation with the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for...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...cooperation with the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for |  | | 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...fingernail is 2 and a steel nail is 5. For example, talc, which is 1 on the scale, is extremely soft and...Africa * 19 x 6 x 83cm Hardness 1 Hardness 4 Talc Fluorite Fluorite, Madoc, Ontario, Canada « 55 |  | | Book | | Trimouns quarry, Luzenac, Ariege. Operated for talc since the beginning of the 20th century, the Trimouns...crystalline talc. Easily the best extant crystal, a doubly terminated floater found in a talc vug in 1997...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Trimble and Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals |  | | Journal (issue) | | Exhibition of the Dragon Gold Specimen, Colorado Quartz mine, Mariposa County, California......................cjstefanoxls@gmail.com Hauerite from the Destricella mine Circulation Manager & Staff Photographer Christi...“the Dragon”), 22.9 cm, from the Colorado Quartz mine, Mariposa County, California. Collector’s Edge specimen...in 1960, they collected on some Michigan copper mine dumps and stopped at many roadside rock shops, where...TRINCHILLO TOURMALINE WITH LEPIDOLITE Cruzeiro Mine, Brazil 16 cm | w w w.FineMineral.com MINERALS |  | | Book (edition) | | Utah 283 12 HYPOTHERMAL DEPOSITS 293 Morro Velho, Brazil 297 Broken Hill, New South Wales, Australia...MESOTHERMAL DEPOSITS 317 Coeur d’Alene, Idaho 319 Magma Mine, Arizona 325 Chuquicamata, Chile 333 14 EPITHERMAL... 453 Nickel Deposits of New Caledonia Morro da Mina, Brazil 470 Bauxite Deposits of Jamaica 472 466...Besides, what we are pleased to call the riches of a mine, are riches relatively to a distinction which nature...also advocated by Joseph Brunner (1801), a Bavarian mine official. Scipione Breislak (1811) an Italian geologist |  | | Report (issue) | | Porto Rico ••• United States ••• Argentina ••• Brazil ••• ••• Chile •• • • •• Ecuador ••• •• • Uruguay...to witl1stand excessive disintegration betwee,n mine and destination, a11d should arrive in coherent...commonly from J.8 to 22. .British and American sta,n da,r d s~egele~~en oontai11s ordinarily about 20 per...British India (sot1thern and ,,central), Brazil (States of Minas Geraes and Bahia), and West Africa (Gold...bec·a me, important 1~e1atively t•o that of Russia. Brazil followed in order of importance, manganese ore |  | | 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...the CSIRO in roles including science adviser for mine processing. He previously advised companies such |  | | Journal (issue) | | Washington (for quartz and pyrite) and the Rock Candy mine in British Columbia (for fluorite and barite). Income...locations, including the Little Gem amethyst scepter mine in Montana, the Fluorita Dulcita prospect in Arizona...Lode, the California Mother Lode and the Homestake mine. Every known type of miner’s candlestick is illustrated...FineMineral.com Rhodochrosite on Manganite N'Chwaning Mine, Northern Cape Province, South Africa. 8.7 cm In...discovery of Rhodochrosite was found in the N'Chwaning 1 mine in the Kalahari manganese fields of South Africa |  | | 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...................................Matto Grosso.................................. 262 Minas Geraes......................................... |  | | Book | | stone came from — some¬ times down to the actual mine. Today it is commonplace to see in sale catalogues...indicating a carbonaceous material. Emeralds from Brazil are usually full of thin liquid films and there...few mineral inclusions. Dolomite, biotite mica and talc are found. Emeralds from the mica schist deposits...noticed in a goshenite (colourless beryl) from Brazil and in the same crystal a manganese apatite and...always twinned according to two different laws: the Brazil twin in which left- and righthanded crystals interpenetrate |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | deposits of such minerals in adjacent areas of Brazil and Venezuela suggest that eastern Colombia may...deposits, based on analogy with adjacent areas in Brazil and Venezuela. An initial reconnaissance should...R., Ricardo, 1979, Geologia y geoquimica de las minas de esmeraldas de Gachala, Cundinamarca: INGEOMINAS...CaJemarce-Ceuce-Romeral Cyprua type massive aulfida (3.1) Paao da Bo bo, (Cauca), La Marina, (Valla) Volcanogenic...«7. PASTO AMD NORTH TO POPAYAN. EAST OF HANIZALES Da posit type Known deposits Hot sprint Au, A* (5 |  | | Book | | .......................................... 167 Brazil..................................................particular of Africa, the U.S.S.R., Canada and Brazil, much of it inspired by the search for exploitable...Montreal area of Canada and for central Coais, Brazil. N11111ber and na111e Each occurrence has been...a n;:itional number, for example Jacupiranga is Brazil 88. This is followed by the preferred name of the...Verlag, Berlin. 252 pp. DEANS, T. 1966. Economic mine ralogy of African carbonatites. 111 O . F. Tuttle |  | | Book (edition) | | First Edition For two decades, an earlier work of mine – Practical Gemmology – has proved a useful elementary...m (26 ft) thick at Urubu, near Araçuai, Minas Gerais, Brazil. Fine pink and green gem-quality tourmaline...acid members of the volcanic province in southern Brazil and Uruguay, and the fire opals occurring in small...amethyst from volcanic rocks in Rio Grande do Sul, Brazil. The amethyst crystals are more strongly coloured...Alluvial sands containing diamonds near Sopa, Minas Gerais, Brazil The above discussion has concentrated on |  | | Report (volume) | | based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...government believed might someday be economic ta mine. Stratiform deposits of large areal extent, such...sedimentary Ni. Komatiitic Ni, synorogenic-synvolcanic-Ni talc-carbonate Ni-Au, layered DEPOSIT DESCRIPTION Mineralogy...Types available). Komatiitic Ni-Cu, dunitic Ni-Cu, talc-carbonate Ni-Au (no model DEPOSIT DESCRIPTION Mineralogy |  | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) | | . . . . . . . . . . . . . . . . . . . . . . . . Mine Safety and Health Law . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . . . . Talc . . . . . . . . . . . . . . . . . . . . . . . ....omine, and rare-earth elements. In a lar ge diamond mine, for e xample, 50 percent o f the annual revenue...anization varies from a multimillion-ton surface mine using large excavators to a hand-dug pit with product...diamonds, borates, nepheline syenite, garnet, and talc. Some parts of the industr y simply produce the |
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