 | | 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 |  | 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....miaskitic types characteristically contain zircon, baddeleyite and titanite, whereas the agpaitic types contain...to late-magmatic Main References 1 Poços de Caldas 79–87 (Ar-Ar, K-Ar) 2 Itatiaia 67.5–71.3 Ma |  | | 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 |  | | 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 (article/letter/editorial) | | Augite Aurostibite Autunite Axinite-(Mg) Azurite Baddeleyite Bariopyrochlore Barite (baryte) Bassanite Bastnaesite...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) | | Augite Aurostibite Autunite Axinite-(Mg) Azurite Baddeleyite Bariopyrochlore Barite (baryte) Bassanite Bastnaesite...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 (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 |  | | 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...Mascarenhas YP 1991 Phurcalite from Perus, Sao Paulo, Brazil, and redetermination of its crystal structure....the most important U mineral at the Ningyo-toge mine in Japan, where it was first discovered (Muto et |  | | 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 | | or trace phases. Rare phases include celsian, baddeleyite, and a silico-phosphate phase. Angra dos Reis...troilite, metal, fayalitic olivine, zircon, and baddeleyite. The few unbrecciated basaltic eucrites have...calcium phosphate, ferroan olivine, troilite, and baddeleyite. Pyroxenes make up , 53% of the rock (Afanasiev...Palacz Z. (1986) Evidence from the Parana of South Brazil for a continental contribution to Dupal basalts...precipitation of zirconium-rich microphases (ZrO2—baddeleyite being the more likely candidate) along with refertilization |
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