 | Richardson, Stephen V., Kesler, Stephen E., Essene, Eric J., Jones, Lois M. (1986) Origin and geochemistry of the Chapada Cu-Au deposit, Goias, Brazil; a metamorphosed wall-rock porphyry copper deposit. Economic Geology, 81 (8) 1884-1898 doi:10.2113/gsecongeo.81.8.1884 | Journal (article/letter/editorial) | | and Geochemistryof the ChapadaCu-Au Deposit,Goias,Brazil: A MetamorphosedWall-RockPorphyryCopper Deposit...CONOCO,Inc., PoncaCity, Oklahoma74601 Abstract Chapada isa large(134 X 106metrictons),low-grade (0.44%Cu...geologicallycomplexPan-Africanmobile belt in centralGoiasstate,Brazil. Mineralizationis hostedlargelyby subhorizontal...smallsizeand Thisreport concernsthe Chapadadepositin Brazil, low grade,but some,suchasthe Mcintyre minein whichwe...1972). Chapada,whichis in west-cencatedcomparison oftheseolderporphyrydeposits to tral Goias,Brazil (S 14o15' |  | | Journal (article/letter/editorial) | | formation of W-bearing rutile in the Kori Kollo mine, 421 Bond length, dependence of structure of olivines...H.J., 647 BRAZIL, a kyanite-staurolite ortho-amphibolite from Chapada, Goihs State, Brazil, 501 Brewsterite...451 Chabazite, 533 CHAKHMOURADtAN,A.R., 341,769 Chapada, Goids State, India, mineralogy and characterization... crystal structure of szenicsite from Jardinera mine, 461; Punta Nihue, zussmanite in ferruginous metasediments...with, and dehydration of, 657 Clinohumite from Chapada, Goids State, India, mineralogy and characterization |  | | Journal (article/letter/editorial) | | of Pan-African/Brasiliano rocks, Chapada copper deposit, Goifis, Brazil By STEPHEN V. RICHARDSON,Ann Arbor...table Zusammenfassung Das Tr~igergestein der Chapada Kupferlagerst~itte in Goifis ist in metamorpher...dieser Isochronen ergibt fiir die Schiefer bei Chapada ein AusgangsMaterial im Bereich des oberen Mantels...unterkambrische Alter des Tr~igergesteins bei Chapada steht im Widerspruch zu dem bisher angenommenen...activity may have been more extensive in central Brazil than previously thought. R&um~ Les roches qui |  | | Report (issue) | | bracewellite, grimaldiite, mcconnellite, chromian gahnite, pyrophyllite, quartz (Merume River, Guyana). Distribution:...Kennedy, Co. Wicklow, Ireland. From the Chapada Diamantina, Bahia, Brazil. Along the Merume River and its tributaries...d’eskolaı̈te dans les alluvions stannifères de la Chapada Diamantina (Bahia-Brésil). Bull. Minéral., 103 |  | | 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 |  | Moreira, Helen F., Danderfer, André, Costa, Alice F.O., Bersan, Samuel M., Lana, Cristiano C., Queiroga, Gláucia N. (2020) Record of Early Tonian mafic magmatism in the central Espinhaço (Brazil): New insights for break-up of the Neoproterozoic landmass ancestor of São Francisco-Congo paleocontinent. Geoscience Frontiers, 11 (6) 2323-2337 doi:10.1016/j.gsf.2020.02.007 | Journal (article/letter/editorial) | | Tonian mafic magmatism in the central Espinhaço (Brazil): New insights for break-up of the Neoproterozoic...Geology, Mine School, Federal University of Ouro Preto, Brazil Department of Geology, Mine School, Federal...Federal University of Ouro Preto, Brazil A R T I C L E I N F O A B S T R A C T Handling Editor: Sohini...and Ernst, 2006; Ernst et al., 2013). In eastern Brazil, the S~ao Francisco Province is the crustal fragment...Department of Geology, Mine School, Federal University of Ouro Preto, Brazil, Campus Universitario, |  | | Journal (article/letter/editorial) | | of the Boquira Sediment-Hosted Sulfide Deposit, Brazil a b c Ilson G. Carvalho , Sundaram S. Iyer ...Universidade Federal da Bahia, Salvador, BA 40210-340, Brazil b Department of Physics and Astronomy , University...Universidade de São Paulo , SP 05422-970, São Paulo, Brazil d Programa de Pesquisa e Pós-Graduacão em Geofisica...Universidade Federal da Bahia , Salvador, BA 40210-340, Brazil Published online: 06 Jul 2010. To cite this article:...of the Boquira Sediment-Hosted Sulfide Deposit, Brazil, International Geology Review, 39:2, 97-106, DOI: |  | Bermanec, V., Horvat, M., Zigovecki GOBAC, Z., Zebec, V., Scholz, R., Skoda, R., Wegner, R., Brito Barreto, S. d., Dodony, I. (2012) Pseudomorphs of Low Microcline After Adularia Fourlings from the Alto Da Cabeca (Boqueirao) and Morro Redondo Pegmatites, Brazil. The Canadian Mineralogist, 50 (4) 975-987 doi:10.3749/canmin.50.4.975 | Journal (article/letter/editorial) | | FOURLINGS FROM THE ALTO DA CABEÇA (BOQUEIRÃO) AND MORRO REDONDO PEGMATITES, BRAZIL Vladimir BERMANEC§...Preto, Campus do Morro do Cruzeiro, Ouro Preto, MG, Brazil Radek ŠKODA Institute of Geological Sciences,...882 – Bodocongó, Campina Grande, PB, 58109.970 Brazil Sandra de BRITO BARRETO Department of Geology...Acad. Hélio Ramos s.n., 54740-530, Recife, PE, Brazil István DÓDONY Eötvös Loránd University, Department...Hungary Abstract Potassium feldspar crystals from the Alto da Cabeça (Boqueirão), Rio Grande do Norte (sample |  | | Journal (issue) | | Articles The Golconda District, Minas Gerais, Brazil .................................................TOURMALINE, 11.9 cm, from the Golconda I mine, Minas Gerais, Brazil Brice Gobin (Mineral Art) and Emanuele...China, South Africa, Namibia, Chile, Peru, Bolivia, Brazil and Mexico. His first exchange of specimens with...as well, and they started picking over the local mine deposits together. They were married in 1970, and... Zincolivenite with Ferrilotharmeyerite | Tsumeb Mine, Namibia | 7.0 x 7.0 x 6.0 cm CRYSTAL CLASSICS |  | | Journal (article/letter/editorial) | | ANALYSIS Vol. 15, No. 4, 2015 Glacial dispersal of gahnite from the Izok Lake Zn-Cu-Pb-Ag VMS deposit, northern...deposits at the periphery of the Zijinshan copper-gold mine, southeastern China—Bimin Zhang, Xueqiu Wang, Rong...Meng, Jing Zhang, Zhaoyu Zhang, and Tairan Wu 8 Gahnite composition as a means to fingerprint metamorphosed...the Qilinchang Zn-Pb-(Ag-Ge) deposit in the Huize mine district, northeastern Yunnan, China—Run-Sheng Han...magmatic suite in the Carajás mineral province, Brazil—Antonio Sales Teixeira, Cesar Fonseca Ferreira |  | | Journal (issue) | | become known as 'Geuda stone' (possibly the name of a mine). It was rumoured that back in Bangkok this material...one time such stones were said to be from a new mine. The old purplish to brownish typical Thai ruby...zoned rough is reported to be typical of the Ootu Mine in Sri Lanka. The explanation has to be that the...deposits as remote and far apart as Afghanistan, Brazil, Kenya and Switzerland, and it appeared rather...a colourless beryl (a so-called goshenite) from Brazil, which had been cut so as to facilitate the inspection |  | | 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 (issue) | | 1aquamarine, Santa Maria mine, Brazil; (2) 20.10-ct peridot, Burma; (3) 21.09-ct kunzite, Brazil; (4) 8.14-ct grossular...tourmaline, Queen Mine, Pala, California; (6) 15.18-ct tourmaline, Paraiba, Brazil; (7) 10.42-ct tanzanite...38-ct ruby, Burma; (17) 3.08ct tourmaline, Paraiba, Brazil; (18) 1.85-ct fancy purple-pink diamond, Argyle...number of new localities. Fine alexandrites from Brazil, sapphires from Southeast Asia and Australia, emeralds...pegmatite gemstones (tourmaline, aquamarine, etc.) from Brazil, Pakistan, Afghanistan, and several countries in |  | | Journal (issue) | | Colombian Emerald Oddities Pink-Orange Euclase from Brazil Inclusions in Demantoid from Madagascar Photochromism...Small quantities of pink-orange euclase from Bahia, Brazil, recently entered the international market. This...Gérard Martayan Pink-Orange Euclase from Bahia, Brazil 44 By Lætitia Gilles-Guéry, Luiza Almeida Villar...prospecting permit and ‘requirements to prospect and mine for opal both within and outside’ a field. Also...Rayner), diamonds from South Africa’s Koffiefontein mine and their inclusions (by Dr Nicole Meyer), and historical |  | | 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...important Catalogo da Exposigao da Historia do Brazil in two large volumes. One of these volumes contains...Bibliotheca Nacional that relate to the geology of Brazil, and included in this are many titles of works |  | | Book (edition) | | Salinas, Peru, H Variscite, xx 5 mm, Iturnbiara, Brazil, H Rhodocbrosite, polished, 50 mm, Capillitas,... China, H Page 1: MuscO\ite. 45 mm, Linopolis, Brazil, H Page 2: Vivianite, I 00 mm, Huanzala, Bolivia...Brazilianite, 35 mm, Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed...Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO...Harding Co .. South Dakota. and at the Fuemrole No2 mine, Emery co .. Utah. Also at Menzenschwand Scbwarzwald |  | | 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 |  | | Report (issue) | | Monazite localities-Continued South America-Continued Brazil-Continued Beach placers _________________________...and Idaho. Most of the world output has come from Brazil, India, and the Republic of South Africa, but 12...beaches and elevated bars along the southern coast of Brazil were the world's main source of commercial monazite...international importance. Stream placers in the interior of Brazil are virtually unexplored; they may constitute an...South American literature, particularly that of Brazil. DESCRIPTION OF MONAZITE DISCOVERY, SYNONYMY, AND |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Connecticut. Luiz A. D. Menezes: Belo Horizonte, Minas Gerais, Brazil. William C. Metropolis: Mineralogical..., Washington, D.C. John J. Trelawney Esq.: Palo Alto, California. Rudy W. Tschernich: Snohomish, Washington...Wokitecas eel TMPS Tia VER YUC ZAC States, Brazil Acre Alagoas Amapa Amazonas Bahia Ceara Para...Spotsylvania Co., and Partridge mine, Orange Co., VA, and at Dahlonega, GA; Homestake mine, Lawrence Co., SD; Silver...Lake Co., Breckenridge(*), Summit Co., Ground Hog mine(*), Gilman Co., Silverton and Telluride, San Juan |  | | Book | | 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...Oblast. Alpine-type clefts in the famous Dodo quartz mine commonly contain ilmenite, occurring as lustrous...ilmenite crystals as described here for the Dodo mine. In general, ilmenite crystals from the Subpolar |  | | Book | | . . . . . . . . . . . . . . . . . . . . . . . Brazil . . . . . . . . . . . . . . . . . . . . . . . ......... . ..... . ........ . ................ . Brazil ...... . .... .... ............... .. ....... ...and quartz (black) which also replaces core. Bigay mine, Lachaux, Auvergne, France ( X 100) ( Geffroy and...; southern Norway; northern Karelia, U.S.S.R.; Brazil, in Minas Gerais at Brejauba and Engenho Central...arsenides and molybdenite; Bridge River, B.C.; Carrizal Alto, Chile ( pages 265- 267). 5. In several types of |  | | Journal (issue) | | diamonds of cube and cuberelated shape from the Jwaneng mine,” Journal of Crystal Growth, Vol. 94, 1989, pp....has been more recently reviewed in an article of mine (B. Rondeau et al., “Diamants cubiques et presque...were first known in India, and then Indonesia and Brazil, but it was the 1867 discovery in South Africa... Zimbabwe, Central African Republic, Tanzania, Brazil, Venezuela, Guyana, China, United States, India...1930s and the impact of World War II. The Premier mine closed in 1932, and the Kimberley mines were closed |  | | Journal (issue) | | in opal • Trapiche-like ruby from the Batakundi mine in Kashmir • Sapphire inclusion with rutile “silk”...Moonstone jewelry • Oregon sunstone • Potentate mine sapphire update • “Rainbow lattice” feldspar • Responsibly...and a 3.20 ct Paraíba tourmaline trillion from Brazil. The rings and loose stones are courtesy of Omi...California (Fisher, 2011) in the U.S. as well as Brazil (Proctor, 1985a,b; Koivula and Kammerling, 1989)...Bicolored elbaite tourmalines (5–8 ct) from the Himalaya mine in Southern California are set with yellow diamonds |  | | Book | | sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite...joints ~~jr-*~z?Z. Joint pattern ί Quarts veins ft Mine; fr-iron, Cwcefiper, m U.S. Homestead mmmww** Vehicle...accumulated in endocontact stockworks. The small Jessie mine in the Breckenridge field (about 2 t Au; Lovering...parallel fissures and veinlets Fig. 28-14. Jessie gold mine, Breckenridge, Colorado. LITHOTHEQUE, after Ransome |  | | Book | | sills), if they are exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite...accumulated in endocontact stockworks. The small Jessie mine in the Breckenridge field (about 2 t Au; Lovering...cover sequences, and 1034 Fig. 28-14. Jessie gold mine, Breckenridge, Colorado. LITHOTHEQUE, after Ransome..."metalliferous granites", that might be economic to mine in bulk in the future. Most examples of such granites |
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