 | Amaral, G., Bushee, J., Cordani, U.G., Kawashita, K., Reynolds, J.H. (1967) Potassium-argon ages of alkaline rocks from southern Brazil. Geochimica et Cosmochimica Acta, 31 (2) 117-142 doi:10.1016/s0016-7037(67)80041-3 | Journal (article/letter/editorial) | | Potassium-argon ages of alkaline rocks f~om southern Brazil* G. AIV~R~L,~ J. BVS~EE,~ U. G. CORDA~,~ K . KAWASHITAt...Department of Geology, University of SRo Paulo, Brazil (Received 2 May 1966) A b s t r a c t - - W e...frequency) from 21 alkaline rock localities in southern Brazil. A general geological description is given for...the older group. A t some localities, like PoTos de Caldas, the alkaline magmatism apparently took place...Mesozoic basaltic rocks that occur widely in southern Brazil and neighboring c o u n t r i e s , a n d t h e |  | | Report (chapter) | | Universidade do Estado do Rio de Janeiro (DGRG/UERJ), Rio de Janeiro, Brazil 2 Programa de Posgraduação, Faculdade...Faculdade de Geologia, UERJ, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil *Corresponding...to the Cabo Granite (104 Ma) are observed in NE Brazil. In West Africa, sparse Aptian–Albian ages are...east–west alkaline magmatic trend is observed from Poços de Caldas to Cabo Frio, comprising igneous intrusions...the following volcanic islands are observed: the Rio Grande Rise (88–86 Ma), Abrolhos (54–44 Ma), the |  | | Report (issue) | | BR-76 MINISTERIO DAS MIMAS E ENERGIA COMPANHIA DE PESQUISA DE RECURSOS MINERAIS UNITED STATES DEPARTMENT...REPORT Brazil Investigations (IR)BR-76 NIOBIUM (COLUMBIUM) AND TANTALUM RESOURCES OF BRAZIL U. S. Geological... NIOBIUM (COLUMBIUM) AND TANTALUM RESOURCES OF BRAZIL By Max G. White U.S. Geological Survey CONTENTS...Distribution of alkalic intrusives in Southern Brazil .. 16 Alkalic intrusions in the western side of................................. 25 Northeastern Brazil ............................... 25 Territory of |  | Melluso, Leone, Guarino, Vincenza, Lustrino, Michele, Morra, Vincenzo, de' Gennaro, Roberto (2017) TheREE-and HFSE-bearing phases in the Itatiaia alkaline complex (Brazil) and geochemical evolution of feldspar-rich felsic melts. Mineralogical Magazine, 81 (2) 217-250 doi:10.1180/minmag.2016.080.122 | Journal (article/letter/editorial) | | HFSE-bearing phases in the Itatiaia alkaline complex (Brazil) and geochemical evolution of feldspar-rich felsic...MICHELE LUSTRINO2,3, VINCENZO MORRA1 AND ROBERTO DE’ GENNARO1 1 2 3 Dipartimento di Scienze della Terra...in the metamorphic rocks of the Serra do Mar, SE Brazil. The nepheline syenites are characterized by assemblages...phases and are found with allanite, fluorapatite, fluorite, zircon, thorite, yttrialite, zirconolite, pyrochlore...supporting the crystallization of hydrous phases, fluorite and F-disilicates. The removal of small amounts |  | | Journal (article/letter/editorial) | | Geology and Mineral Resources of Brazil: A Review a a Inacio De Medeiros Delgado , Augusto J. Pedreira...Thorman a b Companhia de Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil b US. Geological Survey...published: 06 Jul 2010. To cite this article: Inacio De Medeiros Delgado, Augusto J. Pedreira & Charles H...Thorman (1994): Geology and Mineral Resources of Brazil: A Review, International Geology Review, 36:6,...Resources of Brazil: A Review INACIO DE MEDEIROS DELGADO, AUGUSTO J. PEDREIRA, Companhia de Pesquisa de Recursos |  | | Journal (article/letter/editorial) | | district fuorine de Santa Catarina, Br sil: Donn es de l'analyse des terres rares et de l' tude des inclusions...Charvet 3 1 Laboratoire de M6tallog6nie et G6ochimie min6rale, Ecole Sup6rieure de l'Energie et des Mat6riaux...Orl6ans C6dex 2, France 2 Instituto de Geoci6ncias, Universidade de Brasilia, 70910 Brasilia, DF, Brasil...Brasil 3 D6partement des Sciences de la Terre, Universit6 d'Orl6ans, BP 6759, 45067 Orl6ans C6dex 2, France...separates generations I - I V and V - V I . Later fluorite deposits are related to a Neo-Cretaceous-to-Eo-Tertiary |  | | Book | | Jacques P. Cassedanne Universidade Federal do Rio de Janeiro For his valuable participation in research...Angeles American Museum ofNatural History - New York De Beers Consolidated Mines Naturhistorisches Museum...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 |  | | Report (volume) | | Formation ..................................... . Rio Bonito Member ........................................69 71 71 71 72 VI CONTENTS Smoky Quartz and Fluorite ......................................... ......molybdenum deposit at the Rialto, Three Rivers, and Bonito Lake stocks, New Mexico, and locations of surface... Industrial minerals in Permian rocks include fluorite, barite, potash, halite, polyhalite, gypsum, anhydrite...Industrial minerals in Tertiary rocks include fluorite, vein- and beddedbarite, caliche, limestone, and |  | | Report (volume) | | ·····································-········ Bonito Lake stock ···································...---------------------------------------------------------Upper Bonito Creek canyon area········-----··············--...----------------------···········---Bonito Creek canyon·································-···········...----------------------------------South Fork Rio Bonito canyon area and vicinity--------------------...-----------------Upper South Fork of Rio Bonito Canyon------------------------------------------Crest |  | | Report (issue) | | ............................................ Rio Bonito Member and the Glorieta Sandstone Bonney Canyon...District White Oaks District Base-metals, silver, fluorite, and rare-earth earths............................................. Polymetallic veins Copper-fluorite-REE veins Gold and silver in telluride deposits............................................ Sangre de Cristo Formation Dockum Group Surficial deposits... Industrial minerals in Permian rocks include fluorite, barite, potash, halite, polyhalite, gypsum, anhydrite |  | | 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 |  | | Report (issue) | | dike------------------------------------------- 24 Bonito Lake stock--------------------------------------...areas--------------------- 55 Upper Bonito Canyon area------------------------------- 55 Bonito Canyon-------------...South Fork Rio Bonito Canyon and vicinity---------------~ 208 Upper South Fork of Rio Bonito Canyon---------------...----- 210 Middle part of the South Fork of Rio Bonito Canyon--------------------------------------------...vicinity----------------- 215 Lower South Fork of Rio Bonito Canyon--------------- 221 Walt Smith Canyon- |  | Duarte, Lauren C., Hartmann, Leo A., Ronchi, Luiz H., Berner, Zsolt, Theye, Thomas, Massonne, Hans J. (2011) Stable isotope and mineralogical investigation of the genesis of amethyst geodes in the Los Catalanes gemological district, Uruguay, southernmost Paraná volcanic province. Mineralium Deposita, 46 (3) 239-255 doi:10.1007/s00126-010-0323-6 | Journal (article/letter/editorial) | | deposits than in the Ametista do Sul area of southern Brazil. The range of δ34S values (−15.0 to −0.3‰) of altered...amethyst and agate geodes (600 tons/month) are Brazil (Ametista do Sul) and Uruguay (Los Catalanes)....Duarte Escola de Engenharia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul...Sul, Brazil e-mail: lauren.duarte@ufrgs.br L. A. Hartmann (*) Instituto de Geociências, Universidade Federal...Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 950091501-970, Porto Alegre, Rio Grande do Sul |  | | Book | | .......................................... 167 Brazil..................................................particular of Africa, the U.S.S.R., Canada and Brazil, much of it inspired by the search for exploitable...Montreal area of Canada and for central Coais, Brazil. N11111ber and na111e Each occurrence has been...a n;:itional number, for example Jacupiranga is Brazil 88. This is followed by the preferred name of the.../11tematio11nl Sy111posi11111 011 Cnr/Jo11 atitt?s, Pocos de Cnlrlas: 123-33. H EINRICH, E.W. 1966. The geology |  | | Journal (article/letter/editorial) | | Formation of the Paran Basin, southern Brazil Luiz Fernando De Ros * Sedimentary Geology Research Group...Formation in the intracratonic Paran Basin, southern Brazil, display strongly heterogeneous distribution of...Formation in the intracratonic Paran Basin of southern Brazil show remarkable heterogeneity in the distribution...Universidade Federal do Rio Grande do Sul, Instituto de Geoci&acias, Departamento de Mineralogia e Petrologia...Gonqalves 9500, CEP 91501-970 Port0 Alegre, RS, Brazil. Tel.: +55 (51) 3316-6359; Fax: +55 (51) 319-1811; |  | | Report (issue) | | ................................. 66 Conqueror (Rio Tinto) mine .................................................... 71 iv Page Schelerville (West Bonito) district .......................................61 18. Plan map of the 130-foot level, Conqueror (Rio Tinto) mine 67 19. Plan map of the 85-foot level... 69 20. Geologic map of the Schelerville (West Bonito) district ................ 72 21. Generalized geologic..... " " 10. Claim map of the Schelerville (West Bonito) district " " 11. Claim map of a portion of the |  | Noll Filho, Roberto J., Sommer, Carlos A., Lima, Evandro F., Philipp, Ruy P., Basei, Miguel A.S. (2019) High‐silica Ediacaran volcanism in the Dom Feliciano Belt, southernmost Brazil. Geological Journal, 54 (3) 1413-1434 doi:10.1002/gj.3239 | Journal (article/letter/editorial) | | Belt, southernmost Brazil Roberto J. Noll Filho1 | Carlos A. Sommer2 | Evandro F. de Lima2 | Ruy P...1 Programa de Pós‐Graduação em Geociências, UFRGS, Porto Alegre, Brazil 2 Instituto de Geociências... Porto Alegre, Brazil 3 Centro de Pesquisas em Geocronologia (CPGEO), Instituto de Geociências, USP...USP, São Paulo, Brazil Correspondence Roberto J. Noll Filho, Programa de Pós‐ Graduação em Geociências...UFRGS, Porto Alegre, Brazil. Email: noll.robertoj@gmail.com Funding information Rio Grande do Sul State |  | | Book | | New World emeralds 21 Agricola’s De Natura Fossilium 24 Gesner’s De Omne Rerum Fossilium 24 Value of...gemstones 25 Some early 17th-Century lapidaries 27 De Boodt’s landmark lapidary 27 Nicol’s History of Pretious...184 Argentina 184 Australia 185 Austria 187 179 Brazil 189 Colombia 195 India 197 Malagasy Republic Mexico...=Aquamarine; Brazil, India, Malagasy Republic, Namibia, USA, USSR. Bixbite; USA (rare) Emerald; Brazil, Colombia...Malagasy Republic, Brazil, USA (rare) Heliodor; Brazil, Malagasy Republic, Namibia Maxixe; Brazil (rare) Morganite; |  | | Book | | New World emeralds 21 Agricola's De Natura Fossilium 24 Gesner's De Omne Rerum Fossilium 24 Value of...gemstones 25 Some early 17th-Century lapidaries 27 De Boodt's landmark lapidary 27 Nicol's History of Pretious...Antarctica 184 Argentina 184 Australia 185 Austria 187 Brazil 189 Colombia 195 India 197 Malagasy Republic 198...Aquamarine; Brazil, India, Malagasy Republic, Namibia, USA, USSR. Bixbite; USA (rare) Emerald; Brazil, Colombia...Malagasy Republic, Brazil, USA (rare) Heliodor; Brazil, Malagasy Republic, Namibia Maxixe; Brazil (rare) Morganite; |  | | Report (issue) | | for uranium mineralization on the Parana Basin, Brazil ... P.M.C. Barretto 156 159 173 NORTH AMERICA...Assured Resources are also identified for Australia, Brazil, Mexico, South Africa, Spain, Turkey, and Yugoslavia...Assured Resources have been identified in Australia, Brazil, Mexico, South A f r i c a , Spain, Turkey, and...the remaining 5 percent distributed in Australia, Brazil, Japan, Mexico, Spain, Turkey, and Yugoslavia....and less than 1 percent in Argentina, Australia, Brazil, and Portugal. Disparity in EAR estimates between |  | | Report (issue) | | America........................................... Brazil............................................. Argenti...Shield-Bancroft district and nearby areas, (3) eastern Brazil areas, (4) Central and Western Europe, (5) southern...Africa, India, Madagascar, Finland, U.S.S.R., and Brazil); (2) at the margins and locally along the axial...and vein deposits of Spanish Meseta, Portugal). Fluorite is a characteristic associate of uranium in moderate-sized...Mediterranean Sea from Morocco to Israel, and near Recife, Brazil . Uraniferous phosphorite fills large depressions |  | | Report (issue) | | _ Crystalline rocks and fluvial deposits _____ Rio de Janeiro______________________ Sao Paulo__________________________... Bahia_____________________________ Paraiba and Rio Grande do Norte____ Goias and Mato Grosso______________...America-Continued Brazil-Continued Beach placers _________________________ _ Rio de Janeiro _____________________...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 |  | | Report (issue) | | Manganese nodules. ocean floor 13. Botryoidal fluorite ore. Poncha Springs. Colo. 14. Tungsten ore. North...AMPHIBOLITE Rock number Ti0 2 T~~~·nchl~~~:t of Horn~~~~de in (weight percent) (weight percent) (weight percent)...mineralogy of some charnockites from Baffin Island, Brazil, British Guiana, Congo, Madras, and Uganda: Indian...Wedepohl, K. H., 1967, Geochemie: Berlin, Walter de Gruyter and Co., 220 p. Znamensky, E. B., 1957, Distribution...higher grade terranes. Detrital rutile is generally de- in or near sillimanite-orthoclase- or hypersthenestroyed |  | | Journal (issue) | | continued unchecked until 1950, when the Banco Central de Costa RicabegaQ to purchase gold wo.rlcEromgrave...work. The Baneo de la Republfoa, Colombia's national bank, alse established the Museo de) Oro (M.us.eum...the mineral iihows tenebrel)ce!lce. Tcnebrcscence de-scribes tbe pJ'operty of d1anging color in re~poose...t L 0 C 0 BERNALILLO COUNTY [MAP NMIJ Site 1. Rio Puerco River/Interstate 40 crossing near Albu...jasper, opalized wood, and silici!icd wood. Site 2, Rio Grnntle River/County Road crossing near Alameda. |  | | Book (edition) | | ee 496 « eeumeans Witiiitiee. oes. = 498 ee tee de. betcae. tert 499 hee: the tales Beck helaee cs...(produced by the Bureau de Recherches Géologiques et Miniéres and the Centre National de la Recherche Scientifique...introduced in 1981. State in W Brazil. CO $110000S070000 W0663000W0740000 BT Brazil acritarchs Hystrichosphaeridae...W0724400W0732500 Acungui Group BT Precambrian SA Brazil SA Parana Idaho United States igneous rocks ...Alagoas State in NE Brazil. CO BT SA SA $103000S084500 W0350000W0382000 Brazil Sao Francisco Basin |
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