 | | Journal (article/letter/editorial) | | SCHEELITE IN NORTHEASTERN BRAZIL. W. D. JOHNSTON, JR., AND FRANCISCO 'MOACYR DE • VASCONCELLOS...in the States of Paraiba and Rio Grande do Norte, Northeastern Brazil, all of which have been discoveredsince...scheelitelocalities in the States of Paraiba and Rio Grande do Norte were known? Up to June,1944,about2,500...Clarindo Rabello: Tungst•nio na Paraiba e Rio Grande do Norte. Mineragio e Metalurgla, vol. VII, pp. 137-139...de Vasconcellos: Tungst•nio na Paralba e Rio Grande do Norte. Miner9io e Metalurgia, vol. VII, pp. 247-260 |  | Souza Neto, João Adauto, Legrand, Jean Michel, Volfinger, Marcel, Pascal, Marie-Lola, Sonnet, Philippe (2008) W–Au skarns in the Neo-Proterozoic Seridó Mobile Belt, Borborema Province in northeastern Brazil: an overview with emphasis on the Bonfim deposit. Mineralium Deposita, 43 (2) 185-205 doi:10.1007/s00126-007-0155-1 | Journal (article/letter/editorial) | | Mobile Belt, Borborema Province in northeastern Brazil: an overview with emphasis on the Bonfim deposit...located in the Borborema Province in northeastern Brazil and consists of a gneiss basement (Archean to Paleo-Proterozoic)...Recife, Brazil e-mail: adauto@ufpe.br J. M. Legrand Departamento de Geologia, Universidade Federal do Rio...Rio Grande do Norte, Campus Universitário, Lagoa Nova, CEP 59.072-970 Natal, Brazil M. Volfinger : M.-L...Bonfim . Borborema Province . Seridó Mobile Belt . Brazil Introduction Skarn deposits host a large variety |  | | Journal (article/letter/editorial) | | deposit, Seridó Mobile Belt, Borborema Province, Brazil Nayara Moreira de Mesquita, Thais Andressa Carrino...deposit, Seridó Mobile Belt, Borborema Province, Brazil, Ore Geology Reviews (2019), doi: https://doi.org/10...deposit, Seridó Mobile Belt, Borborema Province, Brazil Nayara Moreira de Mesquita1 ORCID ID: https://orcid... da Arquitetura, s/n, 50740-550, Recife (PE), Brazil Corresponding author: Nayara Moreira de Mesquista...skarns in the Borborema Province, northeastern Brazil. The Bonfim W-Mo-Au-Bi-Te skarn occurs within a |  | Bastos, Vivianne Andrade, Koester, Edinei, Lenz, Cristine, Dal Olmo‐Barbosa, Laércio, Porcher, Carla C., Loureiro, Paula O., Vieira, Daniel T., Ramos, Rodrigo C., Cedeño, Daniel G. (2021) Contribution to the understanding of the Pinheiro Machado Complex (Dom Feliciano Belt, Brazil): A study of textures, mineral chemistry, and crystallization conditions. Geological Journal, 56 (2). 1012-1033 doi:10.1002/gj.3980 | Journal (article/letter/editorial) | | the Pinheiro Machado Complex (Dom Feliciano Belt, Brazil): A study of textures, mineral chemistry, and crystallization...Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil 2 1 2 Departamento...Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil 3 Departamento de Geologia...Cristóv~ao, Sergipe, Brazil 4 Prefeitura de Sapiranga, Sapiranga, Rio Grande do Sul, Brazil Correspondence...Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil. Email: vivianneab@hotmail |  | | Journal (article/letter/editorial) | | 10-14 FEBRUARY 4, 1896 DECOMPOSITION OF ROCKS IN BRAZIL BY JOHN C. BRANNER (R ead before the Society August... 256 J. C. BRANNER— DECOMPOSITION OF ROCKS IN BRAZIL. Page Rainfall........................................ 313 I n tro du ction . i In writing of Brazil, Louis Agassiz* says that— “ The decomposition...the decomposition .—Disintegration of rocks in Brazil is both profound and widespread. The working out...feature of the geology from the equator * Journal in Brazil, 89.- Am. Jour. Sci., 2d ser., vol. xlt 1865, p |  | | Report (chapter) | | MOHRIAK1 1 Universidade do Estado do Rio de Janeiro (DGRG/UERJ), Rio de Janeiro, Brazil 2 Programa de Posgraduação...Geologia, UERJ, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil *Corresponding author (e-mail:...to the Cabo Granite (104 Ma) are observed in NE Brazil. In West Africa, sparse Aptian–Albian ages are...following volcanic islands are observed: the Rio Grande Rise (88–86 Ma), Abrolhos (54–44 Ma), the Vitória...NW– SE-trending Cruzeiro do Sul Lineament from Cabo Frio to the Rio Grande Rise, but they have not been |  | Hartmann, Léo Afraneo, Philipp, Ruy Paulo, Liu, Dunyi, Wan, Yusheng, Wang, Yangin, Santos, João Orestes S., Vasconcellos, Marcos A. Z. (2004) Paleoproterozoic Magmatic Provenance of Detrital Zircons, Porongos Complex Quartzites, Southern Brazilian Shield. International Geology Review, 46 (2) 127-157 doi:10.2747/0020-6814.46.2.127 | Journal (article/letter/editorial) | | Vasconcellos a a Universidade Federal do Rio Grande do Sul b Chinese Academy of Geological Sciences...Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9500; 91500-000 Porto Alegre, Rio Grande do Sul,... Brazil DUNYI LIU, YUSHENG WAN, YANGIN WANG, Downloaded by [MacEwan University Libraries] at 10:13...Banco da Província, 105, Porto Alegre, Rio Grande do Sul, Brazil AND MARCOS A. Z. VASCONCELLOS Instituto...Federal do Rio Grande do Sul, Avenida Bento Gonçalves, 9500; 91500-000 Porto Alegre, Rio Grande do Sul, |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Crystal of multicolored tourmaline (84 x 26 mm), Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais...(Camara Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo...pedras preciosas do Brasil Bibliography 1. Gemology 2. Geology 3. Minerals - Brazil 4. Minerals- Classification... Mineralogy 6. Mineralogy - Brazil - History 7. Precious stones - Brazil I. Bartorelli, Andrea. II. Title |  | | Journal (article/letter/editorial) | | Universidade de São Paulo, Rua do Lago 562, 05508-080, São Paulo, NU SP, Brazil D MA * corresponding author:...units from White Column, Paraná Basin, southeastern Brazil, in order to characterize the provenance of the...(from base to top), including the Rio do Sul Formation, Rio Bonito Formation (Triunfo, Paraguaçu and...Palermo, Irati, Serra Alta and Teresina formations, Rio do Rasto Formation (Serrinha and Morro Pelado members)...which was exposed until the deposition of the Rio Bonito Formation. The isotopes also show some Grenvillian |  | | Book | | Professor Jacques P. Cassedanne Universidade Federal do Rio de Janeiro For his valuable participation in research...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, |  | | Journal (article/letter/editorial) | | N P A R T O F T H E S T A T E OF P A R A H Y B A DO N O R T E || , ' Downloaded from gsabulletin............... Geology of the state of Parahyba do Norte................................................... Conclusions regarding the geology of Parahyba do N o rte............................. Geology along.................................................. Rio Formoso rocks........... ......................................................... Granite of Pedra do Porto........................................... |  | Rocha-Campos, A.C., Basei, M.A., Nutman, A.P., Kleiman, Laura E., Varela, R., Llambias, E., Canile, F.M., da Rosa, O. de C.R. (2011) 30million years of Permian volcanism recorded in the Choiyoi igneous province (W Argentina) and their source for younger ash fall deposits in the Paraná Basin: SHRIMP U–Pb zircon geochronology evidence. Gondwana Research, 19 (2) 509-523 doi:10.1016/j.gr.2010.07.003 | Journal (article/letter/editorial) | | Geociências, Universidade de São Paulo, São Paulo, SP, Brazil Research School of Earth Sciences, Australian National...late Paleozoic section, from the Irati up to the Rio do Rasto formations, encompassing about 24 Ma. Geochemical...igneous province. 1. Subandino (Bolívia); 2. Paraná (Brazil, Uruguay, Paraguay and Argentina); 3. Chaco-Paraná...(Argentina); 7. Carapacha (Argentina); 8. Sauce Grande (Argentina); 9. Main Karoo (South Africa); 10....Gondwana basins, such as the larger Paraná Basin (Brazil, Paraguay and Uruguay), and Karoo basins of southern |  | | Journal (article/letter/editorial) | | com/loi/tigr20 Geology and Mineral Resources of Brazil: A Review a a Inacio De Medeiros Delgado , Augusto...Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil b US. Geological Survey, Denver, CO, 80225 Version...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...Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil AND CHARLES H. THORMAN US. Geological Survey, Denver |  | | Report (volume) | | Member.__________________________________ Valle Grande Member____-__-_--___-___--_-____-___-._-.__ Battleship...Cajete Member____..._____________________ Banco Bonito Member.___-_--_---_-_----_---_----._____--References...sediments constitute most of the alluvial fill of the Rio Grande graben and were initially called the "Santa Fe...Cerros del Rio, although it is recognized that the uppermost of these beds east of the Kio Grande belongs...Polvadera Group Keres Group Basalts of Cerros del Rio and Santa Ana Mesa FIQUBE 1. Index map of the Jemez |  | Thompson, R. N., Gibson, S. A., Mitchell, J. G., Dickin, A. P., Leonardos, O. H., Brod, J. A., Greenwood, J. C. (1998) Migrating Cretaceous-Eocene Magmatismin the Serra do Mar Alkaline Province,SE Brazil: Melts from the Deflected Trindade Mantle Plume?. Journal of Petrology, 39 (8) 1493-1526 doi:10.1093/petroj/39.8.1493 | Journal (article/letter/editorial) | | Cretaceous–Eocene Magmatism in the Serra do Mar Alkaline Province, SE Brazil: Melts from the Deflected Trindade...BRASÍLIA DF, BRAZIL RECEIVED JULY 30, 1997; REVISED TYPESCRIPT ACCEPTED MARCH 3, 1998 The Serra do Mar province...volcanic remnants, and dyke swarms along coastal SE Brazil. The igneous rocks are emplaced into metamorphics...s.l.) magmatism. Isotopically (Sr–Nd), the Serra do Mar suite overlaps the field for OIB (eNd up to +2·7)... We consider the most plausible source for Serra do Mar mafic magmas to be predominantly sub-lithospheric |  | | Report (issue) | | 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................................. 29 Northeastern Brazil .......................... 30 Research suggestions |  | | 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) | | This addition is bounded on the north by the Rio Bonito, on the east by State Highway 37, and on the...Member of the Sierra Blanca Volcanics (Twa), and the Bonito Lake stock (Tbs) (fig. 2), which intruded the breccia...phenocrysts in the lower part of the Walker. Hornblende, biotite, and sanidine increase in abundance upward through...debris. The Bonito Lake stock crops out contiguous to and within the study area. Biotite syenite constitutes...Alluvium and fanglomerate (Holocene) Ttse Oaf the biotite syenite has been argilized and silicified, and |  | | Report (issue) | | ............................................ Rio Bonito Member and the Glorieta Sandstone Bonney Canyon...include the Pecos River which drains into the Rio Grande, and the Canadian River that drains into the...east-flowing ephemeral and perennial rivers, including the Rio Hondo, Arroyo del Macho, Arroyo de la Mora, Yeso...uplift, which marks the eastward extent of the Rio Grande rift (Pray, 1961) (map D). The steep west front...uplifts of the Rocky Mountains (Paleozoic Sierra Grande uplift on the north and Pedernal uplift on the |  | | Report (volume) | | Formation ..................................... . Rio Bonito Member ........................................................................ 80 29. Old Abe mine and mill, White Oaks district, New Mexico.........81 30. Iron ore being extracted from the Smokey mine and pulverized for use as road metal, Capitan Mountains...Mountains, N.Mex., showing locations of surface mine workings, placer gold workings, and placer gold..... 90 34. Photographs of iron ore at the Smokey mine in the Capitan Mountains district, New Mexico, showing |  | | Book | | until he managed to reach the land of his dreams, Brazil. A specialist in the field of geology and mineralogy...crystals and the remarkable mineral treasures of Brazil, as well as the incredible adventures and difficulties...UNIQUE MINERALS IN WORLD MUSEUMS GEM TREASURES OF BRAZIL Cyan Magenta Yellow Black 1 Delev Ilia Deleff...UNIQUE MINERALS IN WORLD MUSEUMS GEM TREASURES OF BRAZIL SOFIA–MOSCOW 2004 3 Cyan Magenta Yellow Black...NATIONAL MUSEUM IN SOFIA 66 OTHER COLLECTIONS OF MINE IN BULGARIA 71 COLLECTIONS IN OTHER CITIES AROUND |  | | Journal (article/letter/editorial) | | and whose most prominent manifestation is the Rio Grande rift and Basin and Range province (Fig. 1). Most...of the state (Jicarilla, White Oaks, and Nogal-Bonito-Schelerville districts), and (4) the Orogrande...silicate minerals (potassium feldspar, sericite, biotite); and (5) veins exhibit a consistent mineral paragenesis...igneous rocks, the Colorado Mineral belt, and the Rio Grande rift. Inset shows the entire North American Cordilleran...Ortiz); NP New Placers; JI Jicarilla; NG Nogal-Bonito-Schelerville; WO White Oaks; OG Orogrande; OR Organ |  | | 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---------------...Fork of Rio Bonito Canyon-------------------------------------------- 211 The Great Western mine and v...vicinity----------------- 215 Lower South Fork of Rio Bonito Canyon--------------- 221 Walt Smith Canyon- |  | 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...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...geologists in alkaline rocks. Like Africa and Russia, Brazil has one of the greater concentrations of this type |  | Self, Stephen, Heiken, G., Sykes, M. L., Wohletz, K., Fisher, R. V., Dethier, D. P. (1996) Field excursions to the Jemez Mountains, New Mexico. Bulletin 134. New Mexico Bureau of Geology and Mineral Resources doi:10.58799/b-134 | Report (issue) | | 1-day-long trip to look at maar volcanoes along the Rio Grande. It is an unusual trip in that travel is by rubber...signs—descriptions are linked to side canyons along the Rio Grande. If you have your own raft, kayak, or canoe and...deposits 12 Upper (Tshirege) Bandelier Tuff 13 Valles Grande Rhyolite and associated deposits 14 GEOCHEMISTRY...section of El Cajete pumice deposits and Banco Bonito lava flow 35 Stop 12 Valles caldera overview 35...DAY5:BANDELIER OUTFLOWSHEETANDBASALTSOFCERROS DEL RIO VOLCANIC FIELD 50 Stop 20 Topographic control of |
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