 | | Journal (article/letter/editorial) | | districts of Kropyvnytskyi (Ukraine), Lagoa Real (Brazil), Mount Isa (Australia) and the Central Mineral...Kropyvnytskyi in the Ukraine and Lagoa Real in Brazil (Figures 1–3; Table 1). Other important districts... The giant Itataia (Santa Quiteria) deposit in Brazil with a resource of over 80,000 tonnes U3 O8 is...(Smolino and Ingul) and at Lagoa Real in Brazil (Cachoeira, Engenho) and operated historically in the...Beaverlodge Arjeplog-Arvidsjaur Total Ukraine Brazil Australia Canada Czech Republic Canada Sweden |  | | 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,...turquoise vein near the village of Casa Nova, in Bahia, later flooded by the waters of the Sobradinho dam |  | | Journal (article/letter/editorial) | | Metasomatism,and Mineralization at Lagoa Real, Bahia, Brazil LYDIA M. LOBATO* Comissdo Nacionalde EnergiaNuclear--Centrode...Cx. Postal 1941, Belo Horizonte, Minas Gerais, Brazil 31271 AND WILLIAM S. FYFE Geology Department...oFranciscoeraton, at the LagoaReal region of southcentralBahia,Brazil. The gneisses havebeen subjectedto amphiboliteand...hastingsiteassemblage is replacedby albite + aegirine-augite + andradite+ hematiteassemblages, with or withouturaninite...Lagoa Real region of south-centralBahia State, Brazil, granitie rocks enclosedin high-grade basementgneissesof |  | | Report (issue) | | the Departmento National da Produ^ao Mineral of Brazil under the auspices of the Agency for International...Gerais, Brazil By NORMAN HERZ REGIONAL GEOLOGY OF THE QUADRILATERO FERRIFERO, MINAS GERAIS, BRAZIL GEOLOGICAL...the Departmento Nacional da Produqao Mineral of Brazil under the auspices of the Agency for International...Minas Gerais, Brazil. (Regional geology of the Quadrilatero Ferrifero, Minas Gerais, Brazil) (Geological...Petrology Brazil Quadrilatero do Ferro. 3. Geology, Stratigraphic Pre-Cambrian. I. Brazil. Departamento |  | | Journal (issue) | | NUMBER SIX APRIL 1993 Cover Picture The Hematita mine in Minas Gérais in 1987 - probably the richest alexandrite...deposits of alexandrite, cat's-eye and chrysoberyl in Brazil' pp. 333-54) ISSN: 0022-1252 F.G.A. your key...to be able to deterAlthough it is very important mine if if a gem is natural or synthetic, and treated...deposits of alexandrite, cat's-eye and chrysoberyl in Brazil JacquesCassedanne, Cassedanne, D.Sc.,* Maurice...Fundiio, Fundão, 21,910, Rio de Janeiro, Janeiro, Brazil *Institute of Geosciences UFRJ-CNPq, Cidade Universitaria |  | | Journal (issue) | | by the A 7cm crocoite specimen from the Red Lead Mine, specific programs. Dundas, Tasmania; one of many...ratherhefty 13 x 10 x 8 cm @ 85.00. COPPERandCALCITE-Emke Mine,Onganja,Namibia An appealingcabinetspecimenfroma...dthtir LOCALITIES 5---- I Governador V aladares (Brazil) Revisited By John Sulzbach, sulzbach-ja@comcast...9 - Vivianite with minor muscovite, from Cigana Mine. Arriving at the Vlcek home, I separated the tools...Her local knowledge, and reliable reputation with mine owners had enabled me to have digging opportunities |  | | Journal (issue) | | found by the late Dr. J o h n Williamson at his mine at M w a d u i in Tanganyika and weighed 54 ct in...diamonds in the brooch came from the Williamson mine. There is a two-prong spring fastening and the stem...„ 12-40 ct. 311 EUCLASE FROM MINAS GERAIS, BRAZIL By FRANCISCO MULLER U BASTOS, F.G.A., G.G. ...L a short time ago, the existence of euclase in Brazil was restricted to the well-known mineralogical...found euclase fragments in a typical topaz mine. This mine is called Angelo (Lavra Do Angelo) and is situated |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...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...Landmann. CDD-549 Indexes for systematic catalog: 1. Brazil: Minerals and precious stones: Mineralogy and gemology |  | | Journal (issue) | | SEPTEMBER–OCTOBER 2022 Articles The Akchatau mine, Shet District, Karaganda, Kazakhstan.............E. Wilson & T. P. Moore The Graf Jost-Christian mine, Wolfsberg, Harz Mountains, Sachsen-Anhalt, Germany...the amethyst they could collect at the old Pearl mine in Thunder Bay. They weren’t as successful with...localities such as the Majuba Hill mine, the Tsumeb mine and the Black Pine mine in Montana. More recently he...w. FineMineral.com Rhodonite Mina do Morro Mine, Brazil 7 cm Rhodonite is a manganese mineral named |  | | Journal (issue) | | Foote also made several collecting visits to the mine in 1890-1891, and brought back many good specimens...chemist and physicist). In 1895 Niven purchased the mine from its owner, on behalf of Thomas Edison. In the...dozen mines were opened, one of which (the Mariposa mine) produced a wider variety of mercury minerals than...Morgenstern photo. Calcite, 5.8 cm, from the Mariposa mine, Terlingua; Roh Lavinsky (The Arkenstone) specimen...Calomel crystals on terlinguaite, 3 mm, Mariposa mine, Terlingua. Celestine, 4.5 cm, Burnet, Burnet County; |  | | 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 |  | | Report (issue) | | Deposits of the Alegria District, Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-J Prepared...the Departamento National da Producao Mineral of Brazil under the auspices of the Agency for International...Gerais, Brazil By CHARLES H. MAXWELL GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS, BRAZIL GEOLOGICAL...the Departamento National da Producao Mineral of Brazil under the auspices of the Agency for International...---------------37. Geologic map of the Pitangui mine area__-____-________-___----_-__--_----_---_-___-_---------38 |  | | Journal (article/letter/editorial) | | hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...gold-bearing quartz veins in the southern Para State, Brazil (Angelica et al., 1997). Chromium muscovite named...conglomerate-hosted U deposits of the Randtype at Jacobina, Brazil (pers. com. P. Laznicka). Chromium-bearing garnet...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized | | | Journal (article/letter/editorial) | | hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...gold-bearing quartz veins in the southern Para State, Brazil (Angelica et al., 1997). Chromium muscovite named...conglomerate-hosted U deposits of the Randtype at Jacobina, Brazil (pers. com. P. Laznicka). Chromium-bearing garnet...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized |  | | Report (issue) | | engineered. Once an ore deposit is discovered, a mine is developed and U extracted by a variety of mining...(Australia) Pervomayskoye (Ukraine), Lagoa Real (Brazil), Valhalla (Australia) Pribram , Jachymov (Czech...examples of this deposit type are Lagoa Real in Brazil, Zheltye Vody deposit in Ukraine and Valhalla in...gold mining. In Namibia, the large Rössing open cut mine has been in operation since 1976, and currently...production through the Akouta underground mine and Arlit open pit mine. China had U mines fully operational |  | | Journal (issue) | | crystal with calcite, 6.5 cm, from the Cosq uez mine, Colombia; found in 1998. Scott Rudolph collection............................................... 22 Mine Exploitation (or not) Today ......................Mineralogical Record, volume 47, January- February, 2016 Brazil and Zambia are on the rise and may someday catch...occurrences (abandoned), The Nemoc6n mine is primarily a salt mine refitted as a tourist attraction; it...is the Muzo mine proper, and 12 km north of that lies the almost equally famous Cosquez mine; both of these |  | | Journal (issue) | | cat's-eyes Treated jadeite bead necklace Emeralds from Brazil Famous diamond Pink conch pearl Color-change sapphire...Maxixe beryl, a material first found in 1917 in Brazil that faded on exposure to sunlight (also see Nassau...synthetic amethyst on the basis of the presence of Brazil-law twinning in the former (figure 16). While this...quartz locality near Buenopolis, Minas Gerais, Brazil. The specimen was obtained from Kevin Lane Smith...Gemological Center in Belo Horizonte, Minas Gerais, Brazil. The rough from which the two stones were cut was |  | | Book | | come not merely from one district but from a single mine. Thus the physical properties of many rocks and...eclipsing the mineral magnesite in some areas; the trona mine rather than the Solvay plant is now the main source...da Barita by Ministério das Minas e Energia in Brazil; and the numerous commodity profiles and reports...Considerations damage, Soviet Union Canada Chrysotile Brazil Zimbabwe Chrysotile South Africa Amosite Crocidolite...chrysotile. One of these bodies is worked at the Advocate Mine near Baie Verte. The canoe-shaped body is contained |  | | Report (issue) | | between galena sphalerite, Darwin Lead-Silver-Zinc mine, Inyo County, California, Econ. Geol., v. 66, p..., Bingham 1971, mining U. xiii S. study mine, of the '"'B" limestone Bingham mining The age...Finally, to that fine group of scientists and men, the mine geologists of the Americas, who have taken time...British White, D., 1968, 1961, 6, p. 39-50, 52 mine now in production: (particularly, of the Brenda...Columbia: W. H., Hypothermal-1 183-212 Brenda mine, British mo. ©6705) peal53=157 Little, Molybdenum |  | | Book | | much biased by science with too little sense of mine for beauty) will keep his memory and work, alive...mining Pb, Cu and Ag, the metals extracted from the mine helped the people of Goslar to accumulate wealth...4524/5507 a N New Aplite Kreuzberg Pegmatite Weiss Mine Pegmatite Silbergrube Aplite Granite Quartz vein...pegmatites of this type are known from Rondonia, Brazil, Pitkäranta, Russia, and Cornwall, Great Britain...kind are located in Brazil, in the State of Minas Gerais, Espirito Santo, Bahia and Paraiba (Delaney |  | | Book | | Iron-Formation Supergene Iron Ores of Minas Gerais, Brazil ELSEVIER PUBLISHING COMPANY-Carbonate Rocks Carbonate...(1964-1965) Supergene Iron Ores of Minas Gerais, Brazil (abstract) Econ. Geol., 59(7), 1204 (1963) Editor’s...percent ‘M. Hematite-quartz ore (Devonian), Constanze mine, Lahn-Dill region, Germany N. Oolitic 2, Aca hematite...be slightly Quartz-banded hematite ore, Ortrann mine, Dunderland, Remy table 1, borehole sample 115/I1)...dominantly hematitic rocks of the Caué Itabirite of Brazil. The hematitic iron-formation consists of thin |  | | Journal (article/letter/editorial) | | Dr. Xavier Sigaud 150, 22290-180 Rio de Janeiro, Brazil. E-mail: yassabdu@cbpf.br. 2IFLP, CONICET, Departmento...(SEM) revealed in sample PYX018 (NIR type B) andradite as a minor phase that might account for the anomaly;...Introduction: The Avanhandava (H4) fall occurred in 1952 in Brazil. A total of 9.33 kg had been preserved after the...nepheline, ferrous olivine, hedenbergite, and andradite. Melilite-anorthite assemblages in ABC, TS26,...expositions of thin diatomitic levels are present (Tula mine). In situ research revealed possible shatter cones |
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