 | | 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...• • ••••• • · • · · · • · • · · • · · • 151 Graphite Jade ............................................... 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 |  | | Journal (article/letter/editorial) | | Arehaean and Lower Proterozoic Units in Central Brazil By Jos6 Caruso M. DANNI, tleinhardt A. FvcK and...recognized as Archaean basement rocks in central Brazil: a) High-grade granite-gneiss terrain composed...Geoci~neias, Universidade de Brasilia, 70.910 Brasilia, Brazil. Band 71, Heft 1, 1982, SeRe 291--317 29"[ J...of the Preeambrian basement terrains in central Brazil has allowed the recognition and delimitation of...Porto Nacional in the north of Goi~s to western Minas GerMs, including the granulitized mafic-nltramafic |  | | Catalog/List | | sodium and iron California San Benito River, Gem mine Black prismatic xls imbedded in syenite CROSSITE...iron silicate California San Benito County, Gem mine Compact blue-gray mass with natrolite ..... . GRUNERITE...GRUNERITE Basic iron silicate Michigan Champion, Spons mine White-tan fibrous aggregates in magnetite with stilpnomelane...manganese silicate New York Fowler, Arnold Tale mine Lavender prismatic crystalline mass ...... . LB...mass .............. South Dakota Custer, Bull Moose mine Pure white cleavable mass ........... . MM Fl |  | Maheshwari, Anil, Sial, Alcides N., Gaucher, Claudio, Bossi, Jorge, Bekker, Andrey, Ferreira, Valderez P., Romano, Antonio W. (2010) Global nature of the Paleoproterozoic Lomagundi carbon isotope excursion: A review of occurrences in Brazil, India, and Uruguay. Precambrian Research, 182 (4) 274-299 doi:10.1016/j.precamres.2010.06.017 | Journal (article/letter/editorial) | | carbon isotope excursion: A review of occurrences in Brazil, India, and Uruguay Anil Maheshwari a,∗ , Alcides...Department of Geology, UFPE, Recife, PE 50740-530, Brazil Departamento de Geología, Facultad de Ciencias...Geosciences, UFMG, Belo Horizonte, MG 30430-120, Brazil b c a r t i c l e i n f o Article history: Received... Keywords: Lomagundi excursion Carbon isotopes Brazil Uruguay India a b s t r a c t Positive carbon...Aravalli Supergroup (northwestern India), the Minas Supergroup (Brazil), and new sections of the Paso Severino |  | | Journal (issue) | | the Skarn of Mina Brejui, Rio Grande do Norte, Brazil Alexander U. Falster1 Luizhelio Barreto da Silva... 556 Boa Viagem, 51021-310 Recife, Pernambuco, Brazil • Tungstenite is a relatively rare mineral and...d'Ossola, Italy; Lyangara, Uzbekistan; and the Emma Mine, Little Cottonwood District, Salt Lake Co., Utah...New Orleans, organized a three week fieldtrip to Brazil. The major goal was to study granitic pegmatites...Currais Novos in the State of Rio Grande do Norte, Brazil. The skarn body is presently being mined for its |  | | Catalog/List | | ...... Utah Toelle County, Gold Hill, Gold Hill mine ~ransparent micro crystals on gossen with minor...silicate Arizona Pima County, Ajo, New Cornelia mine Sky blue micro xls and coatings on monzonite .....Derby mine White xlline lamellar mass with minor lepidolite . Virginia Amelia, Rutherford mine !r2 Lustrous...Lead telluride Colorado Saguache County, Klondike mine Cleavage plates in quartz with pyrite ............AMBLYGONITE Sodium lithium aluminum phosphate Brazil Minas Gerais, Governador Valaderas Single pale yellow |  | | Journal (article/letter/editorial) | | mobilization of Ni-Cu-PGE sulfide ores at Garson mine, Sudbury—Joshua Mukwakwami, Bruno Lafrance, and...Chile—G.P. Lopez, M.W. Hitzman, and E.P. Nelson Vein graphite deposits: Geological settings, origin, and economic...deposits in the Quadrilátero Ferrífero, Minas Gerais, Brazil—Ana-Sophie Hensler, Steffen G. Hagemann...magmatism in the Nanling belt, southeast China—Pilar Lecumberri-Sanchez, Rolf L. Romer, and Volker Lüders...Proterozoic Mangabeira tin-indium mineralization, central Brazil: Evidence from geology, petrology, fluid inclusion |  | | Journal (issue) | | mining-themed park was approved in 2000, and the Minas de Almadén y Arrayanes The Mineralogical Record...level of the underground mine was refurbished to accommodate visitors, showing mine workings dating from...village of Almadenejos we find: The Vieja Concepción mine. Here it is possible to visit part of the historic...(dating from 1755 to 1757). The Nueva Concepción mine. The Baritel de San Carlos (San Carlos shaft house)... Also included is the Refugio shaft and various mine buildings. HISTORY AND MINING Archeological remains |  | | Catalog/List | | Back Cover COVER PHOTOGRAPH: _ VANADINITE Apache mine, near Globe, Gila County, Arizona. Sharp hexagonal...... . Fl. Utah Toelle Co., Gold Hill, Gold Hill mine. .50 2.50 Transparent xls on limonite with austinite...fluo rescence under ultraviolet light. The Ojuela mine is one of Mexico's largest producers of beautiful...silicate. Arizona Pima County, Ajo, New Cornelia mine. Sky-blue micro xls and coatings on monzonite ..... Arizona Pima County, Ajo, New Cornelia mine. Sky-blue crystals and masses on and in blue shattuckite |  | | 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 |  | | 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...see it as being very dark or black (for example, graphite). Alternatively, if very little of the color in...mineral pigments. LEFT: Malachite, Bwana M’Kubwa Mine, Ndola, Copperbelt, Zambia * 22 x 26 x 16 cm 22 |  | | 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) | | Mineral Resources of the Congonhas District Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 290...the Departamento N acional da Produfao Mineral of Brazil under the auspices of the International Cooperation...Mineral Resources of the Congonhas District Minas Gerais, Brazil By PHILIP W. GUILD GEOLOGICAL SURVEY ...Departamento N acional da Produ~ao M,ineral of Brazil under the auspices of the International Cooperation...__________________ _ Iron region of central Minas Gerais _______________ _ Congonhas district_ ________________________ |  | | Journal (article/letter/editorial) | | oxymica associated with sugilite from the Wessels Mine, South Africa: Crystal chemistry and 40Ar-39Ar dating—Edwin...Trapping and mobilization of arsenic and lead in former mine tailings. Environmental conditions effects—A. Courtin-Nomade...dissolution of pyritic sludge from the Aznalcóllar mine (SW Spain)—C. Domènech, J. de Pablo, and C. Ayora...395 The mineralized veins and the impact of old mine workings on the environment at Segura, central Portugal—I...Au-Pd-Pt deposit, Carajás mineral province, northern Brazil— Alexandre Raphael Cabral, Bernd Lehmann, Rogerio |  | | Journal (issue) | | gem abstracts| Margaritologia pearl newsletter|Santa Fe Symposium proceedings|Fei cui testing in Hong...Articles 708 Coloured Stone Mining and Trade in Brazil: A Brief History and Current Status By Aurélien...Collection V. L. Villani photo p. 758 Cover Photo: Brazil is the source of a variety of coloured stones,...blood ruby, royal blue and cornflower sapphire, old mine/ Muzo green emerald, sunrise and sunset padparadscha...margaritologia.de. Santa Fe Symposium Proceedings Papers from 22 presentations delivered at the 2017 Santa Fe Symposium |  | | Journal (article/letter/editorial) | | ULTRAMAFIC FLOWS OF THE CRIXAS GREENSTONE BELT, GOIAS BRAZIL - - LINEU A L M E I D A D E SABOIA and N O E...S.A., Rua 68 no. 727 - Centro, GoiSnia, Goias (Brazil) (Received December 4, 1981 ; revision accepted...flows of the Crixas greenstone belt, G o i a s - Brazil. Precambrian Res., 22: 23--40. The Crixas greenstone...greenstone belt, together with the Guarinos and Pilar belts, has a basal, intermediate and an upper unit...flows intercalated with iron formation, chert, graphite schist, mafic and acid tufts, and intrusive bodies |  | | 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 |  | | Catalog/List | | 78-79 79 79 79 VANADINITE specimen from the Apache mine, near Globe, Gila County, Arizona GLOBES AND ATLASES...fluo rescence under ultra violet light. The Ojuela mine is one of Mexico's largest producers of beautiful...silicate. Arizona Pima County, Ajo, New Cornelia mine. Sky- blue micro xls and coatings on monzonite .... Arizona Pima County, Ajo, New Cornelia mine. S.ky-bJue crystals and masses on and in blue shattuckite...CLEAVELANDITE California San Diego County, Himalaya mine. White crystalled aggregates; some with quartz, |  | | Report (chapter) | | the drowning-coast physiography of the Gulf of Santa Fé’ (González de Juana et al. 1980, p. 738, author’s...due east, c. 2.5 Ma (Higgs 2009). However, the El Pilar northern master fault of the pull-apart runs south...pull-up (Roure et al. 1994); and (d) the enigmatic Santa Barbara –Masacua Fault, a steeply south-dipping...capable of precipitating halite, lie along the El Pilar Fault (Urbani 1989) within the outline of the gravity...lateral halite withdrawal. Further north, near El Pilar, megabreccias and a structurally chaotic zone (Metz |  | Brando Soares, Mariana, Corrêa Neto, Atlas Vasconcelos, Bertolino, Luiz Carlos, Alves, Felipe Emerson André, de Almeida, Antônio Modesto, Montenegro da Silva, Pedro Henrique, Mabub, Ricardo Oliveira de Araújo, Manduca, Luedson Guimarães, Araújo, Ivan Mendes Caixeta de Pamplona (2018) Multistage mineralization at the hypozonal São Sebastião gold deposit, Pitangui greenstone belt, Minas Gerais, Brazil. Ore Geology Reviews, 102. 618-638 doi:10.1016/j.oregeorev.2018.09.028 | Journal (article/letter/editorial) | | Gold Deposit, Pitangui Greenstone Belt, Minas Gerais, Brazil Mariana Brando Soares, Atlas Vasconcelos...Gold Deposit, Pitangui Greenstone Belt, Minas Gerais, Brazil, Ore Geology Reviews (2018), doi: https://doi...Gold Deposit, Pitangui Greenstone Belt, Minas Gerais, Brazil Mariana Brando Soares1, Atlas Vasconcelos...Geociências, Universidade Federal do Rio de Janeiro, Brazil. 2 – Departamento de Geologia, Instituto de Geociências...Janeiro, Brazil. 3- Centro de Tecnologia Mineral (CETEM), Rio de Janeiro, Brazil 4 – IAMGOLD, Brazil 5- Centro |  | | Journal (article/letter/editorial) | | been included in the bibliography. Some of the graphite deposits near La Colorada, Sonora, have also been...remnants of the high-level surface may be seen at El Pilar and La Ciénaga west of Moris (Co-ord E-III), Arechuybo...clastic rocks over 3300 feet thick, with coal, graphite, and plant-bearing carbonaceous shale near middle...Between 110th and 111th meridians: Sandstone, graphite, slate, and clay with leaf impressions and molluscan...brackish-water origin, contain beds of coal and graphite and fossils of Upper Triassic and Liassic age |  | | Journal (issue) | | 32 Purple to Reddish Purple Chrysoberyl from Brazil 42 Identification Characteristics of Natural...ruby and moonstone) photographed at the home of a mine owner in Mogok, Myanmar. Two field reports on Mogok...inclusion is also present (probably ilmenite or graphite). Photomicrograph by E. Boehm; magnified 20×....Cat’s-eye Apatite from Brazil Intense blue apatite is known from Minas Gerais, Brazil, and cat’s-eye stones...Epstein (Precious Resources Ltda., Teófilo Otoni, Brazil). He reported that the material was found in January |  | | Book | | 37 gold 5, 5 goslarite 59 grandidierite 85 graphite 5 greenockite I1 greenovite 81 grossularite 78...in the Urals, discovered New in Zealand, Graphite, C: hexagonal system; sg 2.09-2.21; hardness ...system; sg 3.50; hardness 10. Though diamond and graphite have the same chemical composition — pure carbon...modifications of the same chemical element. While graphite is black, opaque, and soft, the diamond is lustrous...transparent, colourless, yellow or green, and very hard; graphite is hexagonal and lamellar, while diamond is isometric |  | | | | 37, 37 gold 5,5 goslarite 59 grandidierite 85 graphite 5 greenockite 11 greenovite 81 grossularite 78... and at Sudbury, Ontario. New in Zealand, Graphite, C: hexagonal system; sg 2.09—2.21; hardness 1-2...system; sg 3.50; hardness 10. Though diamond and graphite have the same chemical composition — pure carbon...modifications of the same chemical element. While graphite is black, opaque, and soft, the diamond is lustrous...transparent, colourless, yellow or green, and very hard; graphite is hexagonal and lamellar, while diamond is isometric | | | Book | | 37, 37 gold 5, 5 goslari te 59 grandidierite 85 graphite 5 greenockite 11 greenovite 81 grossularite 78...59 zippeite 62 zircon 77, 78, 78 zoisite 88 THE MINE LKINGDOM All physical bodies in Nature can be...or slightly rotated Vitreous. Like glass 3 THE MINE Class I: native ·elements Chemical elernents found...New Zealand, Alaska, and at Sudbury, Ontario. Graphite, C: hexagonal system; sg 2.09-2.21; hardness 1-2...system; sg 3.50; hardness 10. Though dian1ond and graphite have the same chen1ical composition - pure carbon |
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