 | | Journal (article/letter/editorial) | | INTRA-INTRUSIVE URANIUM DEPOSITS OF PO .COS DE CALDAS, BRAZIL F.E. DE V. LAPIDO LOUREIRO and R.C. DOS SANTOS...NUCLEBRAS, Rua Ga. Polidoro-Bota[ogo, Rio de Janeiro (Brazil) (Received February 24, 1986; revised and accepted...intra-intrusive uranium deposits of Poqos de Caldas, Brazil. In: J.W. Gabelman (Editor), Unconventional..., 3: 227-240. The alkaline complex of Poqos de Caldas is notable for its large size (1000 km 2), wide...The principal ore bodies are located at the Osamu Utsumi Mine, while smaller deposits of probable economic |  | | Journal (article/letter/editorial) | | within six natural analogue studies: Pocß os de Caldas, Cigar Lake, Maqarin, El Berrocal, Oklo and Palmottu...undertaken in the following systems: Pocß os de Caldas (Brazil), a Mesozoic volcanic ring-structure hosting...methodology of the BPM exercises, from the Pocß os de Caldas to the Oklo and Palmottu projects, has not varied...included in this revision: Pocßos de Caldas: SKB (Sweden), KTH (Sweden), PSI (Switzerland)...model the U/Fe association was done in Pocß os de Caldas by assuming the coprecipitation of U3O8 with Fe(OH)3 |  | | Journal (article/letter/editorial) | | in the Hydrogeochemistry and Microbiology of Acid Mine Waters D. Kirk Nordstrom a a U.S. Geological...in the Hydrogeochemistry and Microbiology of Acid Mine Waters, International Geology Review, 42:6, 499-515...in the Hydrogeochemistry and Microbiology of Acid Mine Waters D. KIRK NORDSTROM U.S. Geological Survey...to the hydrogeochemistry and microbiology of acid mine waters and associated tailings and waste-rock waters...microorganisms and their function and ecology in mine-waste environments. A broad diversity of green algae |  | Bruno, J, Duro, L, de Pablo, J, Casas, I, Ayora, C, Delgado, J, Gimeno, M.J, Peña, J, Linklater, C, Pérez del Villar, L, Gómez, P (1998) Estimation of the concentrations of trace metals in natural systems. Chemical Geology, 151 (1) 277-291 doi:10.1016/s0009-2541(98)00085-0 | Journal (article/letter/editorial) | | approaches to El Berrocal žSpain / and Poços de Caldas žBrazil / J. Bruno a,) , L. Duro a , J. de Pablo...methodology to the El Berrocal ŽSpain. and Poços de Caldas ŽBrazil. sites. Trace metals under investigation...oxyhydroxides Žboth in El Berrocal and in Poços de Caldas., Ž2. the interaction of barium and manganese with...the association between strontium and fluorite in Poços de Caldas. In most cases, the results were in...to perform our analyses Žsee Fig. 4.. Poços de Caldas ŽBrazil.. This system presents distinctive peculiarities |  | | Journal (article/letter/editorial) | | by alkaline volcanic rock in the Poços de Caldas, Brazil. One rare study of a granite-hosted uranium...chlorite, pyrite, fine-grained quartz, hematite, fluorite and calcite. In addition, an alkali-metasomatism...microcrystalline-quartz, quartz, chlorite, calcite, fluorite and clay minerals. Homogenization temperatures...temperatures of the primary inclusions in the calcite and fluorite range from 2248 to 1228C. Lujing is an important...mineralizing fluids from the inclusions in quartz and fluorite ŽMin, 1998b., it is postulated that the mineralizing |  | | Journal (article/letter/editorial) | | STUDIES: GEOLOGY AND MINERALOGY OF MORRO DO FERRO, BRAZIL P.M.C. B A R R E T T O a n d K. F U J I M O R I...Nuclear Energy Commission (CNEN), Rio de Janeiro (Brazil) (Accepted for publication January 15, 1986) Abstract...studies: Geology and mineralogy of Morro do Ferro, Brazil. In: N.A. Chapman and J.A.T. Smellie (Guest-Editors)...time. The Morro do Ferro in the State of Minas Gerais, Brazil, could be a suitable analogue for certain...association with other research institutions in Brazil. This joint project entitled "Mobility of Thorium |  | Gomes, Celso de Barros, Azzone, Rogério Guitarrari, Rojas, Gaston Eduardo Enrich, Guarino, Vincenza, Ruberti, Excelso (2021) Agpaitic Alkaline Rocks in Southern Brazilian Platform: A Review. Minerals, 11 (9) 934 doi:10.3390/min11090934 | Journal (article/letter/editorial) | | University of São Paulo, São Paulo 05508-080, Brazil; rgazzone@usp.br (R.G.A.); gastonenrich@usp.br...occurrences located in southern Brazil and at the border between Brazil and Paraguay. All the Brazilian...Triassic. The most significant occurrence is Poços de Caldas, the largest alkaline massif in South America....to late-magmatic Main References 1 Poços de Caldas 79–87 (Ar-Ar, K-Ar) 2 Itatiaia 67.5–71.3 Ma...plutons. Main examples of these massifs are Poços de Caldas [14,42] and Itatiaia [15,43]. A small fraction |  | | Book | | ........................................... 25 Brazil .................................................uranium if higher prices justify reprocessing the mine tailings to recover some of the uranium that was...wastewater during environmental reclamation at a mine that has ceased production. The following statistical...Canada South Africa Namibia Russian Federation Niger Brazil Uzbekistan Ukraine Mongolia $40/kgU < $80/ kgU...operations. 9 In Central and South America, Brazil was the only country producing in 2001 and 2002 |  | | Report (issue) | | engineered. Once an ore deposit is discovered, a mine is developed and U extracted by a variety of mining...(Australia) Pervomayskoye (Ukraine), Lagoa Real (Brazil), Valhalla (Australia) Pribram , Jachymov (Czech...examples of this deposit type are Lagoa Real in Brazil, Zheltye Vody deposit in Ukraine and Valhalla in...gold mining. In Namibia, the large Rössing open cut mine has been in operation since 1976, and currently...production through the Akouta underground mine and Arlit open pit mine. China had U mines fully operational |  | | Journal (issue) | | study conducted in and around one of the chromite mine of the valley reveals that the concentration of...varying between 0.02 mg/l and (Cr 0.12 mg/l in mine effluents and 0.03 Central Mining Research Institute... the water samples of ground and surface water, mine effluents and R. K. Tiwary which is in the downstream...clearly shows that the soil lying in the vicinity of mine waste dump shows highest concentration of Cr*®....areas. Keywords Chromite Hexavalent chromium mine waste - Leachate - Groundwater modeling Contaminant |  | | Report (issue) | | literature. An example was with the Osamu Utsumi mine in Brazil. This deposit has been reported in the...the literature as Pocos de Caldas, Minas de Caldas and Cereado to name a few synonyms. Hopefully, most...design a similar database model for the CNEN in Brazil in 1983. Since that time, India has also developed...producer. Mine A mine is a deposit from which ore is currently being recovered. Depleted Mine A depleted...depleted mine is, a mine-out or depleted ore deposit with insufficient Reasonably Assured Resources recoverable |  | | Journal (article/letter/editorial) | | systems include acidic, sulfate-rich waters draining mine tailings (Miekeley et al., 1992), geothermal springs...of sulfatocomplexes of rare earth elements in fluorite bearing model system. J. Inorg. Nucl. Chem. 42...from the Osamu Utsumi mine and Morro do Ferro analogue study sites, Poços de Caldas, Brazil. J. Geochem |  | | Report (volume) | | based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...government believed might someday be economic ta mine. Stratiform deposits of large areal extent, such...EXAMPLES High Plateau, Del Norte Cty, USCA Coto Mine, Luzon, PLPN (Wells and others, 1946) (LeBlanc...DEPOSITS Name Ace of Spades Adobe Canyon Gp. Ajax Alice Mine Allan (Johnson) Alta Hill Althouse Alyce and Blue |  | | Journal (article/letter/editorial) | | metamorphic, and magmatic deposits of the Ukraine, Brazil, and Namibia, and some IOCG and breccia deposits...polymetallic-sulfidessliver-antimony, dolomite-uraninite-fluorite, fluorite-quartz, (iii) quartz-hematite-baryte, and...structurally late N-S striking veins at South Terras Mine (LeBoutillier, 2002) hosted in grey and brown slate...Parana-Karoo basin of South Africa, Angola, and Brazil. Smaller basins in similar position are known from...apatite fission-track (120 to 80 Ma) and apatite and fluorite (U-Th-Sm)-He ages (110 to 80 Ma, e.g., Barbarand |  | | Journal (article/letter/editorial) | | composition Line Florencite-(Ce) Fluocerite Fluorite Forsterite Fourmarierite Fowlerite Fraipontite...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...gold-bearing quartz veins in the southern Para State, Brazil (Angelica et al., 1997). Chromium muscovite named...conglomerate-hosted U deposits of the Randtype at Jacobina, Brazil (pers. com. P. Laznicka). Chromium-bearing garnet | | | Journal (article/letter/editorial) | | composition Line Florencite-(Ce) Fluocerite Fluorite Forsterite Fourmarierite Fowlerite Fraipontite...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...gold-bearing quartz veins in the southern Para State, Brazil (Angelica et al., 1997). Chromium muscovite named...conglomerate-hosted U deposits of the Randtype at Jacobina, Brazil (pers. com. P. Laznicka). Chromium-bearing garnet |  | | Book | | Fritsche R (mineralogy), Fohse H. (general), Fuchs H. (Brazil), Grauch R (western USA), Gautier A. (breccia pipe...Granite-Related Vein Uranium Deposits: Schwartzwalder Mine, Front Range, USA ................................when analyzing pitchblende from the George Wagsfort mine at Johanngeorgenstadt, Sachsisches Erzgebirge (Saxonian...City area, Colorado. In Cornwall, the South Terras mine opened for uranium production in 1873. During the...century, most of it coming from the South Terras mine ilear St. Stephen (ca. 275 t). In Colorado, USA |  | | Book | | Rowan’s study of x Preface the genesis of fluorite ores at the Albigeois district, Wendy Harrison’s...16. Hydrothermal Fluids 231 16.1 Origin of a Fluorite Deposit 16.2 Black Smokers 237 232 Xv 17.... determine which contaminants will migrate from mine tailings and toxic waste sites, predict scaling...chalcopyrite (CuFeS,), chalcocite (Cu,S), pyrite (FeS>), fluorite (CaF,), galena (PbS), and covellite (CuS). The...GEOCHEMICAL REACTION MODELING Mineral Mass (g) Fluorite, CaF, Chalcocite,Cu,S Barite, BaSO, 7.3x103 9 |  | | Report (volume) | | Environmental issues such as coping with uranium mine and mill tailings and other uranium-contaminated...Honeyman 1989). Smellie I 994), Poyos de Caldas in Brazil (Chapman et al. 1990) and the Oklo natural...McKinley IG, Shea ME, Smellie JAT 1990 The Poc;os de Caldas Project: Summary and implications for radioactive...~1ne~al 1n m~y U depo~tts. Uraninite possesses the fluorite structure (Fig. la); the U cation 1s coordinated...Mascarenhas YP 1991 Phurcalite from Perus, Sao Paulo, Brazil, and redetermination of its crystal structure. |  | | Report (issue) | | Data Evaluation of Major and Trace Elements in Acid Mine Waters and Ground Waters .........................chemical processes in a stream affected by acid mine drainage, in Mallard, G.E., and Aronson, D.A., eds...on electrophoretic mobility of particles in acid mine drainage, in Mallard, G.E., and Aronson, D.A., eds...uptake by algae in a stream contaminated by acid mine drainage, 12 NATIONAL RESEARCH SUMMARY 1994 St...Luoma, S.N., and Peters, D., 1990, Effects of acid mine drainage on the Blackfoot River, Montana: Canadian |  | | Report (issue) | | Data Evaluation of Major and Trace Elements in Acid Mine Waters and Ground Waters ............... 138 Darrell...chemical processes in a stream affected by acid mine drainage, in Mallard, G.E., and Aronson, D.A., eds...on electrophoretic mobility of particles in acid mine drainage, in Mallard, G.E., and Aronson, D.A., eds...uptake by algae in a stream contaminated by acid mine drainage, St. Kevin Gulch, Leadville, Colorado,...Luoma, S.N., and Peters, D., 1990, Effects of acid mine drainage on the Blackfoot River, Montana: Canadian |  | | Report (issue) | | Data Evaluation of Major and Trace Elements in Acid Mine Waters and Ground Waters Darrell K. Nordstrom, Project...chemical processes in a stream affected by acid mine drainage, in Mallard, G.E., and Aronson, D.A., eds...on electrophoretic mobility of particles in acid mine drainage, in Mallard, G.E., and Aronson, D.A., eds...uptake by algae in a stream contaminated by acid mine drainage, St. Kevin Gulch, Leadville, Colorado,...N., and Peters, D., 1991, Downstream effects of mine effluents on an intermontane riparian system: Canadian |  | | Journal (volume) | | .........................319 EM61 Mineralogy of mine wastes and contaminated soil......................and phases composition of flotation waste of Bor mine (Serbia) Cocić, M.1, Matović, B.2 & Logar, M.3*...Myanmar Emeralds from the Piteiras mine, Minas Gerais State, Brazil: genetic implications from fluid inclusion...France The Piteiras mine in Itabira is located in the Minas Gerais State, Brazil and produces gem quality...Temperature (oC) Koffiefontein mine 1087 (±15) 5.2 (±0.1) Finsch mine 1041 (±5) 5.0 (±0.1) The structural |  | | Book | | Palacz Z. (1986) Evidence from the Parana of South Brazil for a continental contribution to Dupal basalts...in harzburgite xenoliths from the Roberts Victor mine, S. Africa (Stachel et al., 1998). Also shown is...in lherzolite xenoliths from the Roberts Victor mine, S. Africa (Stachel et al., 1998). Shaded field... Although generally forming less than 1 wt.% of mine production, fibrous diamonds can represent up to...Xenoliths, Proc. 5th Int. Kimberlite Conf., Araxa, Brazil. CPRM. Spec. References Publ. 1/a (eds. H. O |
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