 | | Catalog/List | | Sweet Home Mine, Alma, Park Co., Colorado, USA 4 cm tall x 5.1 cm wide 7 Tourmaline Tourmaline does not...one among very few. Tourmaline, Jenipapo District, Itinga, Minas Gerais, Brazil 6.7 cm tall x 6 cm wide...63 Calendar, Jeffrey Scovil, 2000 Ste.-Marie-aux-Mine show poster, 2002 Ikons, Classics and Contemporary...Bruce Oreck. Wulfenite with Mimetite, San Francisco Mine, Cerro Prieto, Cucurpe, Cucurpe Municipality, Sonora...Sonora, Mexico 9.3 cm wide x 9.3 cm tall 14 Tourmaline The vivid coloration of this particular discovery |  | | Journal (article/letter/editorial) | | Amphibolites of the Lafaiete,MinasGerais,andthe SerraDo Navio ManganeseDeposits,Brazil Iâą]'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 |  | | Catalog/List | | mining district has always been the most revered mine for silver in the world. Officially opened in 1623...and the main mine were named for him, âThe Kings Mineâ (Kongens Grube, His Majestyâs Mine.) The strength...1944â45, Kongsberg Silver Mines. Silver, Kongsberg Mine, Buskerud, Norway 15.3 cm tall x 12.8 cm wide RHODONITE...exceptional rhodonites in the world are now found in Brazil. They possess the rich ruby red color in large...discovery. Rhodonite, Morro da Mina Mine, Conselheiro Lafaiete, Minas Gerais, Brazil 5.8 cm tall x 7.3 cm |  | | Journal (issue) | | (a variety of zoisite), 9 cm, from the Merelani mine, located on the slopes of the Lelatema Mountains...La Marina mine, Colombia. Top right: Topaz, 8.4 cm, from Ouro Preto, Minas Gerais, Brazil. Lower left:...left: Phosphophyllite, 2 cm, from the Unificada mine, Potosi, Bolivia. Bottom right: Grossular, 3.5 cm,...Andrea Bartorelli: Minerals and Precious Stones of Brazil. Other important references (if any) for individual... 5.5 cm, from the Alto da Cabeca mine, Parelhas, Rio Grande do Norte, Brazil. Will Johnson collection |  | | Book | | MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA © 2009 - CARLOS CORNEJO...multicolored tourmaline (84 x 26 mm), Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais. Collection...Inside cover photographs: "Parafba" tourmaline (25 x 6 mm), Sao Jose da Batalha, Parafba. Courtesy of Bruno...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 |  | | Catalog/List | | 1/18/21 11:02 AM Quartz and Hematite Jinlong Iron Mine, Longchuan, Guangdong, China 7.5 cm tall x 11 cm...AM Malachite on Quartz with Shattuckite Omaue Mine, Opuwo Rural, Kunene Region, Namibia 7.6 cm tall...1/18/21 11:02 AM Scheelite on Muscovite Pingwu Beryl Mine, Mt. Xuebaoding, Pingwu Co., Mianyang, Sichuan,...example, mined 25 years ago from the Pingwu Beryl Mine, is one of the most remarkable of the species. Scheelite... 4461_txt.indd 14 1/18/21 11:02 AM Rubellite Tourmaline on Quartz Malkhan Pegmatite Field, Krasnyi Chikoy |  | | Journal (issue) | | . . . . . . . . .89 by W. E. Wilson The Palomo mine, Huancavelica Department, Peru . . . . . . . . ...rhodonite from the Morro da Mina mine, Conselheiro Lafaiete, Minas Gerais, Brazil . . . . . . . . . ...BaCa2(CO3)2F2, a new mineral species from the Kirovskii mine, Khibiny, Kola Peninsula, Russia . . . . . . . ...crystal cluster, 3.5 cm, from the Mashamba West mine, atanga, Republic of the Congo. Rob Lavinsky (The...morganite-and-quartz specimen from the Cryo-Genie mine in San Diego County, California. Alâs main interest |  | | Book | | 1982 Jules Roger Sauer â 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. âBrazil, Paradise of Gemstonesâ, by Jules Roger Sauer,...ownership of the Cruzeiro tourmaline and mica mine and the Jacobina amethyst mine. He owns several other |  | | 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........ 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...without the discovery of the precious metals in Brazil the existence of the modern economic man would |  | | Book (volume) | | beautiful, like an Illinois Fluorite or a colorful Tourmaline. And, those that are beautiful to the advanced...Acanthite San Juan de Reyes Mine, Guanajuato, Mexico, 52 Adamite Ojuela Mine, Mapimi, Durango, Mexico,...47 (Cuproadamite with Ferrolotharmeyerite) Tsumeb Mine, Tsumeb, Namibia, 22 Apophyllite (on Stilbite) Jalgaon...Malachite) Liu Feng Shan Mine, Anhui Prov., China, 18 (& Malachite) Milpillas Mine, Sonora, Mexico, 32, 38-39...Quartz) Yaoganxian Mine, Chen Zhou, Hunan Prov., China, 56 Calcite (on Fluorite) Elmwood Mine, Elmwood, Tennessee |  | | 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 (volume) | | the Serra do Navio district, Territory of Amapd, Brazil, by John Van N. Dorr 2d, Charles F. Park, Jr.,...__________________ (C) Mica deposits in Minas Gerais, Brazil, by W. T. Pecora, M. R. Klepper, and D....11. Plan and sections of the lower adits, Quindio mine, municipio of Cajamarca, Tolima, Colombia._____________________In...Map and sections of the Alumbral quartz crystal mine, municipio of Muzo, Boyacd, "Colombia. ______ _____________...minerals in symmetrically zoned pegmatites of Minas Gerais, Brazil______________________________.In pocket |  | | Journal (article/letter/editorial) | | Maharashtra, Central India, and the Gowari W a d h o n a mine-area occupies a small p a r t of the western flank...dolomitic marble of Bichua formation. At Gowari Wadhona mine-area, however, the Chorbaoli and Junewani formations...been detected for the first time in Gowari Wadhona mine-area. I t occurs as well developed crystals with...less frequent in the gondites of Gowari Wadhona mine-area, though it is abundant in other parts of the...Tirodi Mine, Balaghat Dr., Madhya Pradesh, India (RoY and Ms 1964) Tirodite, Sitapatore Mine, Balaghat |  | | Book (volume) | | Vigas de RamĂrez, Veracruz, Mexico, 49 La Sopressa Mine, Amatitlan, Guerrero, Mexico, 57 (on Quartz with...Maine, 40 (with Ferberite, Quartz & Siderite) Tasna Mine, Atocha-Quechisla Dist., Potosi Dept., Bolivia,...(& Malachite) Morenci Mine, Greenlee Co., Arizona, 39 Barite Sidi Lahcen Mine, Djebel Ouichane, Nador...23 (with Malachite on Chrysocolla) Mashamba West Mine, Kolwezi Dist., Democratic Rep. of the Congo, 39...33 Caledonite (with Cerussite) Mammoth-St Anthony Mine, Tiger, Mammoth Dist., Pinal Co., Arizona, 21 Chalcopyrite |  | | 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 | | of minerals, one of which was a multicolored tourmaline crystal. I was amazed that such things could...quarries in the state of Connecticut. Gem-quality tourmaline crystals had been found in several of the old...Greenâs Farm, otherwise known as the Roxbury Garnet Mine, which is on the border between Roxbury and Southbury...and is typical of what could still be found in the mine. To me, its label âmakesâ this specimen. I am very...this plethora of vibrant crystals. Miss Sterling, a mine owner, called in a state geologist, and it was soon |  | | Journal (issue) | | mineral collectorâPart 3: Treasure-hunting in Minas Gerais since 2000. . . . . . . . . . . ....inches), from the Morro da Mina manganese mine, Conselheiro Lafaiete, Minas Gerais, Brazil. Probably the...2008 issue for his article on the Mockingbird gold mine). Like the rest of us on the staff, he will be striving...The same problem arose when we tried to remove tourmaline crystals, which were encountered frequently but...on. Only one large, 10-cm sheaf of dark green tourmaline could be removed intact, after the most careful |  | | Journal (article/letter/editorial) | | surfaceand can be tracedonly by the presence of mine pits and dumpsand surfacefloat of glasssy 4IO...garnetveinedwith quartzwasleft on the footwallof the mine,and the spessartite had a thin coatingof blackmanganese...tonsof high-grademanganese ore were shippedfrom this mine in 1917 and 1918. The countrylock is weatheredschistose...ferruginouschert with drusy quartz lining smallcavities. Tourmaline is presentin the quartz. Manganeseoxide coatssomeof...In 1941 the BinkleyCoal Co. startedto reopenthe mine in the belief that manganese carbonate and oxiâąle |  | | Journal (article/letter/editorial) | | Journal of the Geological Survey of Brazil vol 5, nÂș 2, 117 - 143, August 2022 Geological characteristics...of the Serra do Navio Formation, Guiana Shield, Brazil, and its manganiferous ores: queluzite as a source...Scarpelli Independent Consultant, Rua da Paz 119, Cotia-SP, Brazil, CEP: 06710-507 Abstract Article Information...AmapĂĄ State, Eastern Guiana Shield, northernmost Brazil, had its reserves of high-grade oxide ores exhausted...Eastern Guiana Shield, in AmapĂĄ State, northernmost Brazil (Fig. 1), and host of important deposits of manganese |  | | 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_ ________________________ |  | | Book | | cm Page 251: Calcite, Irai, Rio Grande do Sul, Brazil * 12.5 x 10 x 10.5 em Page 252: Gypsum rosette...minerals to change varies considerably. Some, like tourmaline, remain unchanged for hundreds of millions of...during or after crystal growth, as exemplified by tourmaline in schist, quartz or phlogopite. Space for Growth...inclusions or colors in quartz (page 248) and tourmaline crystals (page 210), and the layered or banded...environment. solidified. In some basalts of India and Brazil, these cavities are large enough for a person |  | | 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 (edition) | | Utah 283 12 HYPOTHERMAL DEPOSITS 293 Morro Velho, Brazil 297 Broken Hill, New South Wales, Australia...MESOTHERMAL DEPOSITS 317 Coeur dâAlene, 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 |  | | Journal (article/letter/editorial) | | OF THE GEOLOGY, MINERALOGY, AND PALEONTOLOGY OF BRAZIL* BY JO H N C. BRANNER ( Presented by title before...No comprehensive bibliography of the geology of Brazil has hitherto been attempted. M. de Margerie, in...pretense of being a bibliography of the geology of Brazil. In 1881 the Bibliotheca Nacional, at Rio de Janeiro...published its important Catalogo da Exposigao da Historia do Brazil in two large volumes. One of these...Bibliotheca Nacional that relate to the geology of Brazil, and included in this are many titles of works |
|
