 | | Journal (article/letter/editorial) | | Sulfur-Isotope Investigations of the Boquira Sediment-Hosted Sulfide Deposit, Brazil a b c Ilson G. Carvalho...Geociências , Universidade Federal da Bahia, Salvador, BA 40210-340, Brazil b Department of Physics and Astronomy...Universidade de São Paulo , SP 05422-970, São Paulo, Brazil d Programa de Pesquisa e Pós-Graduacão em Geofisica...Geociências, Universidade Federal da Bahia , Salvador, BA 40210-340, Brazil Published online: 06 Jul 2010....Sulfur-Isotope Investigations of the Boquira Sediment-Hosted Sulfide Deposit, Brazil, International Geology Review |  | | Report (volume) | | S3 Lead-Zinc Deposits of the Boquira District State of Bahia, Brazil GEOLOGICAL SURVEY BULLETIN 3...the Departamento National da Producao Mineral, Brazil, under the auspices of the International Cooperation...1110-A Lead-Zinc Deposits of the Boquira District State of Bahia, Brazil By ROBERT F. JOHNSON CONTRIBUTIONS...the Departamento Nacional da Producdo Mineral, Brazil, under the auspices of the International Cooperation...1. Geologic map and section of the Boquira district, Bahia Brazil.___________________________________________ |  | | Journal (article/letter/editorial) | | Proterozoic SedimentHosted Pb-Zn (Ag) Deposits of Brazil Aroldo Misi’, Sundaram S. Iyer2, Colombo C. G....Universidade Federal da Balzia, Salvador; BA 40210-340, Brazil, E-Mail: rnisi@ujlm.br Department of Physics arid...Universiclade de SZo Paulo, SZo Pado, Sdo Paulo, 05422-970, Brazil Department of Geological Sciences, The University...UtiiverrridadeFederal da Baftia, Salvador; Bahia, 40210-340, Brazil Curso de Po’s-Graduagdo enz Geoquiniica...Ceocidncias, Universidade Federal da Bahia, Salvador; Balzia, 40210-340, Brazil (Mciizuscriptrsceiwrl Deceinlzer |  | | Journal (article/letter/editorial) | | the northern Serra do Espinhac o (State of Bahia, Brazil) G. Morteani1 and D. Ackermand2 1 Geoexpert...Espinhac o, State of Bahia, NE Brazil) about 10 km west of the town of Boquira. Sky blue lazulite and...xenotime, monazite and zircon. Oxygen thermometry on quartz and hematite and the stability of kyanite, augelite...world-wide e.g. from the present study area in Bahia (Brazil) by Cassedanne and Franco (1966), Cassedanne...Visser et al. (1997), from Diamantina, Minas Gerais (Brazil) by Horn et al. (1996) and Morteani and Ackermand |  | | Report (issue) | | (AOO) TIN RESOURCES OP BRAZIL by Max G. White CONTENTS Page ABSTRACT .......................................... 8 Principal producers of tin in Brazil. .......... 8 Exports, imports and consumption...and Monte Alegre de Goias deposits ...... 20 Bahia .......................... 21 Location of deposits...tin resources of Brazil ....... in back Location of tin district in central Bahia, Brazil .* . 21-a TABLES...TABLES Table 1. Localities in the State of Bahia from which tin has been reported (Marholz, 1966 and |  | | Journal (issue) | | Cook, Jr. Minerals of the Lead-Zinc Localitiesof Brazil 282 by Jacques P. and Jeannine O. Cassedanne The...i n c ■m e coLLecror Tourmaline Tourmaline Queen Mine Pala, California "EXCEPTIONAL MINERALS, GEM CRYSTALS...February 17, (Tuesday) is being planned to Mammoth Mine, Tiger, Arizona. Transportation and box lunches...pyrochlore, horn blende, apatite, titanite and quartz. In 1959 Hess and T rum pour published a description...lumbite, associated with monazite, ancylite, barite, quartz and apatite in a fine-grained, buff-colored marble |  | | Journal (article/letter/editorial) | | other by iron formation (Dammberget (Sweden), Boquira (Brazil), Aggeneys (South Africa), and Gamsberg). Although...affinities 25 Deposit Foster River Menninnee Dam Boquira Green Parrott Angas Cottonbelt Age (Ga) Grade...(continued ) Deposit Foster River Menninnee Dam Boquira Green Parrott Angas Cottonbelt MetamorphicGrade...? No No gahnite, but Mn garnet present Yes In quartz veins Yes Rare No? No Py, Po, Mag No Py, Po...exhalative units such as iron for mation, quartz-garnetite, quartz-gahnite rock, and tourmalinite; 5. Stacked |  | | Journal (article/letter/editorial) | | Espinhaço basin within the São Francisco Craton—Brazil André Danderfer a,∗ , Bert De Waele b , Augusto...Ouro Preto, Morro do Cruzeiro, Ouro Preto, MG, Brazil Tectonics Special Research Centre, School of Earth...CPRM-Geological Survey of Brazil, Ulysses Guimarães 2862, Salvador, BA, Brazil a r t i c l e i n f o...Francisco Craton, in the central-eastern region of Brazil, is a cratonic fragment stabilized after the Rhyacian...Muquém fault and the Santo Onofre fault; (c) the Boquira Block, situated between the Santo Onofre and Carrapato |  | | Journal (article/letter/editorial) | | fluorite, sphalerite, galena, pyromorphite, cuprite, quartz, feldspars, garnet, and others. Hematite is one...in the New Placers district and at the San Pedro mine, Santa Fe County. Small, well-developed hematite...County. This unusually h e specimen of hematite on quartz with rutile DI:Robert B. Cook, an executive editor...exceeding 10 cm on edge associated with rutile and quartz, have been found (see fig.); at Binneltini and...skeletal plates to 7 cm from Nador, iY&rocco. ~~~ mine in the Ajo district, Pima County. The premier Arizona |  | | Journal (article/letter/editorial) | | of the Veredas formation (Northern Espinhaço, Brazil): LA-ICP-MS age determinations on relict and recrystallized...of the Veredas formation (Northern Espinhaço, Brazil): LA-ICP-MS age determinations on relict and recrystallized...quartzites of the Veredas formation (Northern Espinhaço, Brazil): LA-ICP-MS age 3 determinations on relict and...Veredas Formation (Northern 22 Espinhaço fold belt, Brazil) have been dated using laser ablation inductively...geological and 63 physiographical features of central Brazil. The Espinhaço fold belt extends approximately |  | | Corporate Document | | □ OPORTUNIDADES DE INVESTIMENTOS BAHIA HAS MINERALS INVESTMENT OPPORTUNITIES I I I I I 4 --------.......... lfl APRESENTACAD Prese11tation A Bahia participa com mais de 4% do Produto lnterno Bruto...saudavel e seguran~a jurfdica para os investidores. Bahia has more than 4% of the Brazilian Cross Domestic...state economy in the Northeast and sixth largest in Brazil. It offers solid economics, healthy business environment...products. It has the 2nd largest road network in Brazil; the 3rd regional airport system; three ports - |  | | 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) | | Tourmaline-Bearing Gold Deposit' Passagemde Mariana (Brazil) ROlAnD FnE•SCI•I• A•D P• Abstract A facies..."Quadril/ttero Ferrlfero," State of Minas Gerais, Brazil. Exploited sincethe end of the seventeenth century...that the mineralization,composedessentially of quartz, carbonates,tourmaline,arsenopyrite,and gold, occursin...Stratigraphy Fleischer(1971) is shownin Table 1. The mine of Passagemde Mariana is situated7 The baseof the...Rocksin the Quadrilfitero Ferrlfero(MinasGerais,Brazil) Accordingto Dorr (1969)and SlightlyModifiedby |  | | Journal (article/letter/editorial) | | Nebraska, Lincoln] at 23:16 02 June 2016 Bunker Hill Mine, Coeur d’Alene District, Shoshone County, Idaho...pyromorphite occurred at the Lubec lead mine, the Gouldsboro mine, and with wulfenite at the upper Colton...Maine (King and Foord 1994). Recently the old lead mine at Loudville, Hampshire County, Massachusetts, once...Connecticut. It is reported from the Sparta copper mine south of Ossining, Westchester County, New York...pyromorphite in Albemarle, Amelia (in the Rutherford No. 2 mine pegmatite), Buckingham, Cumberland, Fluvanna, Goochland |  | | Journal (article/letter/editorial) | | Universitesi] at 20:25 14 March 2016 Blanchard Mine, Bingham, New Mexico T here once was a time when...originating at what was then known only as the Blanchard mine, Bingham, New Mexico. Oh, for those simpler times...fine brochantite from the abovementioned Blanchard mine has been selected for this issue. Brochantite, a...with langite and posnjakite occurs in the Ecton mine, Montgomery County (Smith 1978); and brochantite...upper workings of the Stonehill or Woods copper mine, Randolph County, Alabama (Cook and Smith 1982) |  | de Abreu Cunha, Ioná, Misi, Aroldo, Babinski, Marly, Iyer, Sundaram Sankara S. (2007) Lead isotope constraints on the genesis of Pb–Zn deposits in the Neoproterozoic Vazante Group, Minas Gerais, Brazil. Gondwana Research, 11 (3) 382-395 doi:10.1016/j.gr.2006.02.008 | Journal (article/letter/editorial) | | the Neoproterozoic Vazante Group, Minas Gerais, Brazil Ioná de Abreu Cunha a , Aroldo Misi a,⁎, Marly...Geociências, Universidade Federal da Bahia, Salvador, BA 40210-340, Brazil Centro de Pesquisas Geocronológicas...Rua do Lago, 562, São Paulo, CEP 05508-080, SP, Brazil c Department of Physics and Astronomy, University...the western border of the São Francisco Craton, Brazil, hosts the largest Zn–Pb district in South America...deposits; Vazante Group; Neoproterozoic metallogeny; Brazil 1. Introduction The Neoproterozoic Vazante Group |  | | Journal (issue) | | Pakistan About the Consultant 0 NEW ZEALAND Quartz, Brochantite, Brucite Silicates Ill ~ -0 C')...aggregate of prismatic bismuthinite crystals from a mine at Brosso, near Turin (Italy). TESTS AND TREATMENT...copper deposits and in veins of tourma line and quartz. It is commonly associated with the minerals chalcopyrite...None IVI I I N E R A L S -.., ll 0 I BLUE QUARTZ IS A DISTINCTIVE FORM OF SILICA WHICH CONTAINS...RANGE OF INCLUSIONS In mineralogical terms, blue quartz occupies an unusual position on the boundary between |  | | 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...alterationand mineralization,the originalK feldspar+ quartz + oligoelase+ hastingsiteassemblage is replacedby...Lagoa Real region of south-centralBahia State, Brazil, granitie rocks enclosedin high-grade basementgneissesof |  | Turpin, Laurent, Maruejol, Patricia, Cuney, Michel (1988) U-Pb, Rb-Sr and Sm-Nd chronology of granitic basement, hydrothermal albitites and uranium mineralization (Lagoa Real, South-Bahia, Brazil) Contributions to Mineralogy and Petrology, 98 (2) 139-147 doi:10.1007/bf00402107 | Journal (article/letter/editorial) | | and uranium mineralization (Lagoa Real, South-Bahia, Brazil) Laurent Tnrpin 1, Patricia Maruejol 2, and...from the Lagoa Real District (South State of Bahia, Brazil) have been investigated by U - P b , R b - S...Francisco craton lies in the South-Central part of Bahia State (Fig. t), and comprises three main units (Almeida...belts comprising Urandi (1), Brumado-Ibitira (2), Boquira (3); Archean units : 6 plutonic rocks and migmatites...scarce Al-poor and Ferich isolated biotite and quartz, and in some facies, replacement of clinopyroxene |  | | 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) | | metamorphosed phosphatic sandstone, Espinhaço fold belt (Brazil) Gerhard Franz1 · Giulio Morteani2 · Dieter Rhede3...sandstone from the Mesoproterozoic Espinhaço fold belt, Brazil, in a dissolution–precipitation reaction: zircon1...Zr-in-rutile and Ti-in-quartz thermometry and the presence of kyanite + muscovite + quartz. Many of the rocks...the Espinhaço supergroup (São Francisco craton, Brazil; Fig. 1). Backscattered electron images (BSE),...over approximately 1000 km N–S in central-eastern Brazil running from the southern border of the States |  | | Journal (article/letter/editorial) | | chiefly of andradite, MnFe-spinels, sphalerite, quartz and calcite in various proportions. These minerals...Lower Skarn Unit (30–50 m in true thickness) is a quartz-rich andradite skarn. This contains variable amounts...Upper Skarn Unit (20–40 m in true thickness) is a quartz-poor jacobsite-magnetite-andradite skarn, partly...– magnetite, Ad – andradite, Fl – fluorite, Qz – quartz, Cc – calcite, Py – pyrite, He – hematite, Rs –...rhodochrosite, rhodonite, calcite, hematite, pyrite, and quartz). Breccia-type ore. Various-sized fragments of |  | | Journal (article/letter/editorial) | | com/loi/tigr20 Geology and Mineral Resources of Brazil: A Review a a Inacio De Medeiros Delgado , Augusto...de Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil b US. Geological Survey, Denver, CO, 80225...Thorman (1994): Geology and Mineral Resources of Brazil: A Review, International Geology Review, 36:6,...rights reserved. Geology and Mineral Resources of Brazil: A Review INACIO DE MEDEIROS DELGADO, AUGUSTO J...de Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil AND CHARLES H. THORMAN US. Geological Survey |  | dos Santos, Cláudia, Danderfer Filho, André, Queiroga, Gláucia N., Zincone, Stefano A., De Castro, Marco P., Lana, Cristiano C. (2020) Ferroan alkalic volcanism associated with Calymmian rifting in the Paramirim aulacogen, São Francisco craton, Brazil: New insights from lithofacies analysis and evidence of mantle-derived alkaline H2O-rich metasomatic fluids affecting ancient crustal materials. Precambrian Research, 340. 105632 doi:10.1016/j.precamres.2020.105632 | Journal (article/letter/editorial) | | the Paramirim aulacogen, São Francisco craton, Brazil: New insights from lithofacies analysis and evidence...the Paramirim aulacogen, São Francisco craton, Brazil: New insights from lithofacies analysis and evidence...the Paramirim aulacogen, São Francisco craton, Brazil: New insights from lithofacies analysis and evidence...high temperature, fluid-absent partial melting of quartz-feldspathic lower crust (Anderson, 1983; Collins...South America (Fig. 1), encompassing the states of Bahia and Minas Gerais. It corresponds to a continental |  | | Journal (article/letter/editorial) | | Southern Part of the Proterozoic Vazante Group, Brazil: Implications for Exploration of Sedimentary-Hosted...Southern Part of the Proterozoic Vazante Group, Brazil: Implications for Exploration of Sedimentary-Hosted...SOUTHERN PART OF THE PROTEROZOIC VAZANTE GROUP, BRAZIL: IMPLICATIONS FOR EXPLORATION OF SEDIMENTARY-HOSTED...throughout the evolution of the sedimentary basins. In Brazil, the main zinc deposits are hosted in the Proterozoic...sulfide deposits are the only active Pb-Zn mines in Brazil, operated by Votorantim Metais S.A. http://www |
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