 | | Journal (article/letter/editorial) | | Francevillian(Lower Proterozoic)Uranium Ore Depositsof Gabon F. GAUTHIER-LAFAYE AND F. WEBER Centrede Sddimentologie...lowerProterozoicuraniumore depositsin the Francevillebasin(Gabon)are the oldest high-gradeuraniumaccumulations known...asdefinedbyWinkler THE Francevillian uranium ore depositsat Oklo are gradepressure axisin the cenwell knownbecausethey...(Bonhommeet al., 1982; Gauthier-Lafaye, in southeastern Gabon and rests on the Archean 1986). (2,700 Ma) basementrocksof...Geologicmap of Gabon.Insert showsthe locationof Gabon in Africa. teau,the StanleyPool,andthe Batekeplateauseries |  | Kirchenbaur, Maria, Maas, Roland, Ehrig, Kathy, Kamenetsky, Vadim S., Strub, Erik, Ballhaus, Chris, Münker, Carsten (2016) Uranium and Sm isotope studies of the supergiant Olympic Dam Cu–Au–U–Ag deposit, South Australia. Geochimica et Cosmochimica Acta, 180. 15-32 doi:10.1016/j.gca.2016.01.035 | Journal (article/letter/editorial) | | within a granite of the 1.59 Ga Gawler Silicic Province. Emerging evidence indicates that both the breccia...and Weber, 2003), of the type discovered at the Oklo uranium deposit (e.g., Naudet, 1974; Gauthier-Lafaye...chalcopyrite, bornite, chalcocite (e.g., chalcocite, digenite, djurelite), with lesser amounts of sphalerite...volume of the Mesoproterozoic silicic large igneous province (SLIP) magmas of the Gawler Craton (late Archean...this 235U deficit should be observable today. At Oklo, the only known natural nuclear reactor, modern |  | | Book | | ........................................... 36 Gabon ..................................................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...was about 270 tU. In Argentina the Sierra Pintada mine had been in standby status since 1999 and was expected...recovered from mine rehabilitation activities; small amounts were likewise recovered during mine remediation |  | | Journal (article/letter/editorial) | | transport through two mixing zones affected by acid mine drainage near Silverton, Colorado— Laurence E. Schemel...deposit of the Shuikoushan mineral district, Hunan Province, China— Nanshi Zeng, E. Izawa, Y. Motomura, and...101 Complexly zoned fibrous tourmaline, Cruzeiro mine, Minas Gerais, Brazil: A record of evolving magmatic...Evidence for a Cambrian diamondiferous alkaline province in northeastern North America—Stéphane Digonnet...and remedial measures at the Troya abandoned Pb-Zn mine (The Basque Country, Northern Spain) —V. Iribar |  | | Report (volume) | | Editors: Peter C. Burns' & Robert Finch 2 1 Department of Civil Engineering and Geological Sciences...Environmental issues such as coping with uranium mine and mill tailings and other uranium-contaminated...and Geochemistry of Natural Fission Reactors in Gabon Janusz Janeczek 8 393 Geomicrobiology of Uranium...and Geochemistry of Natural Fission Reactors in Gabon Janusz Janeczek INTRODUCTION: NATURAL FISSION REACTORS...largest construction projects in the history of the Department of Energy. Approximately three billion dollars |  | | Book | | Kong Barcelona Budapest Dr. JOHN PARNELL Department of Geology, The Queen's University of Belfast...Francevillian Uranium Ore Deposits, Lower Proterozoic of Gabon F. Gauthier-Lafaye and F. Weber. . . . . . . . ...Lake, Canada, and the Natural Fission Reactors, Oklo, Gabon B. Nagy .......................................netic Relationships of Vein Pyrobitumen in the Panel Mine, Elliot Lake Uranium District, Ontario, Canada J...limited distance from many dykes and sills. 1 Department of Geology, The Queen's University of Belfast |  | | Book | | ........................................... 75 Gabon ..................................................vvastewater during environmental reclamation at a mine that has ceased production. The following statistical...Saskatchewan, is the world's largest high-grade uraniu1n mine. The ore from that ,nine is crushed and treated...to start production at the Talvivaara Ni-Zn-Cu-Co mine, ,vhere bio-heap leaching is used to extract metals...Production is expected to grow when the Four Mile ISL mine comes on strea1n, and planned expansion of Olympic |  | | Book | | (individual deposit) and regional scale (uranium province). Their ideas, observations, and data have directly...Granite-Related Vein Uranium Deposits: Schwartzwalder Mine, Front Range, USA ................................Uranium Deposits: Shinkolobwe, Katanga Copper Province, Zaire .........................................Deposits in Proterozoic Sandstones: Franceville Basin, Gabon ......................... 224 232 237 246 250 250...when analyzing pitchblende from the George Wagsfort mine at Johanngeorgenstadt, Sachsisches Erzgebirge (Saxonian |  | Nagy, B., Weber, R., Guerrero, J. C., Schidlowski, M. - Eds. (1983) Developments in Precambrian Geology - Developments and Interactions of the Precambrian Atmosphere, Lithosphere and Biosphere, Compilation of papers based on the presentations of participants at, or contributed by authors unable to attend, the IGCP Projects 157 and 160 meeting at the Universidad Nacional Autonoma de Mexico in Mexico City - Developments in Precambrian Geology No. 7. Elsevier. doi:10.1016/s0166-2635(08)x7011-2 | Book | | January 11-14, 1982. Edited by B. N A G Y Department of Geosciences, University of Arizona, Tucson...C A 80307 (U.S.A.) K.J. ZAHNLE Department of Astronomy and Department o f Atmospheric and Oceanic Science...WALKER Space Physics Research Laboratory and Department o f Atmospheric and Oceanic Science, The University...13Cdepletion in early Precambrian graphites from Superior Province, Canada. Nature, 290: 696-699. Stevenson, D.J...PRECAMBRIAN AEOLIAN PROCESSES GERALD M. ROSS Department o f Geology, Carleton University, Ottawa, Ontario |  | | Report (issue) | | UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY Geology and genesis of major world hardrock....................................44 Grenville Province, Quebeck and Ontario............................orebody.....................39 20. Grenville Province of the Canadian Shield......................46...Saskatchewan.............53 22. Geology of the Rossing mine area...............................55 iii Illustrations...cross section of Verna and Fay orebodies, Eldorado mine................................................ |  | | Report (issue) | | CHAPTER 1: INTRODUCTION Kurt Kyser Department of Geological Sciences and Geological Engineering, Queen’s...engineered. Once an ore deposit is discovered, a mine is developed and U extracted by a variety of mining...Bay Basin in Canada and the Franceville Basin in Gabon, but at the boundary between sandstone and grey...the oldest deposits from the Franceville Basin in Gabon. Some of these latter deposits preserve the effects...gold mining. In Namibia, the large Rössing open cut mine has been in operation since 1976, and currently |  | | Journal (article/letter/editorial) | | natural sink for arsenic in zinc deposits and related mine tailings: Evidence from single-crystal EPR spectroscopy...oligotrophic regional aquifers near the Tono Uranium Mine, Japan as inferred from d13C and D14C values of...fissiogenic platinum group elements in the Oklo natural reactor, Gabon . . . . . . . . . . . . . . . . . . ...ALVEAR : “Invisible” silver and gold in supergene digenite (Cu1.8S) . . . . . . . . . . . . . . . . . . |  | | Book | | Science Publishers B.V., Copyright and Permissions Department, P.O. Box 521, 1000 AM Amsterdam, Netherlands...termite mounds over various rock types, Edmundian mine region, Mozambique (d'Orey, 1975) Bedrock Number...With improvements to metallurgical processes and mine dewatering techniques, the underlying sulphides...2. Killara 3. Paradise Valley 4. Western Cape Province 5. Northeastern Algeria BShw BWh BShw BSh BShs...ironstones from Berg River and Vredendal, western Cape Province, South Africa (Andrew, 1984) Vredendal N = 10 |  | De Vivo, B., Ippolito, F., Capaldi, G., Simpson, P. R. - Eds. (1984) Uranium geochemistry, mineralogy, geology, exploration and resources. Springer Netherlands. doi:10.1007/978-94-009-6060-2 | Book | | Role of high heat production granites in uranium province formation 167 P. R. Simpson and Jane A. Plant...300°C: geological implications Samuel B. Romberger Department of Geology, Colorado School of Mines, Golden...T. S . eds (Houston, Texas: Rice University, Department of Geology, 1972),483-516. 7. Dall'Aglio M. and...in Texas and Wyoming. In the Texas Gulf Coast province deposits occur in sandstone formations and group...drape around permeability barriers in a uranium mine, so the colour bands follow the same 28 Medium |  | | Report (issue) | | SALVADOR ERITREA ESTONIA ETHIOPIA FIJI FINLAND FRANCE GABON GEORGIA GERMANY GHANA GREECE GUATEMALA GUYANA HAITI... Description of a selected deposit: The Denison mine deposit (Canada) ....... 304 Surficial deposits...control between two formations within the basin (Oklo, Gabon). HMm: hydrothermal–metamorphic deposits result...Slovakia); Subtype 4.3. Volcano-sedimentary (Anderson Mine, USA; Sierra Pintada district, Argentina). Type...Wash type, USA). Subtype 9.3. Roll-front (Wyoming Province, USA; Chu-Sarysu Basin, Kazakhstan): Class 9.3 |  | | Journal (article/letter/editorial) | | Dawsonite Descloizite Diamond Diaspore Dietzeite Digenite Diopside Dioptase Djurleite Dolomite Donbassite...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...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized...According to the Raw Materials Group (Sweden), the world mine production in 2005 stood at 19.3 m t metal content | | | Journal (article/letter/editorial) | | Dawsonite Descloizite Diamond Diaspore Dietzeite Digenite Diopside Dioptase Djurleite Dolomite Donbassite...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...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized...According to the Raw Materials Group (Sweden), the world mine production in 2005 stood at 19.3 m t metal content |  | | Book | | is the minimum grade at which it is worthwhile to mine a certain deposit. Everything below it (low-grade...chalcopyrite (brass) from the Friedrich-Christian Mine in Wildschapbach, Black Forest (Germany) (photo...black Fig. 1.2 Chalcopyrite on quartz. Silberwiese Mine, Oberlahr, Westerwald (Germany) (photo © Monika...CuS (Fig. 1.4). Fig. 1.5 Chalcocite from Mammoth Mine, Mount Isa-Cloncurry Territory (Queensland, Australia)...Introduction Fig. 1.6 Tetrahedrite from Wenzel Mine in Oberwolfach, Black Forest (Germany) (photo © |  | | Book (edition) | | BT N460000N503000 W0735000W0850000 Superior Province Canadian Shield Blake River Group Ontario Quebec...SA eucrite SA iron meteorites SA stony irons acid mine drainage Before 1978, also search drainage AND mines...SA acids SA drainage SA environmental geology SA mine drainage SA mines SA pollution SA sulfuric acid...tertiary recovery acidity use pH SA SA SA acid mine drainage acidic composition amino acids SA compounds...Gastropoda Mollusca BT Invertebrata Aconcagua Province Central Chile. Also search cagua. BT Chile NT |  | | Report (issue) | | UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY Characteristics of Mineral Deposit Occurrences...batholiths 1 eastern margins. In the Basin and Range province, several late Cretaceous deposits (Buckingham...this is the age of siliceous volcanism in this province. This criteria probably does not apply elsewhere...Examples of this type of deposit are the Cable gold mine near Georgetown Lake, the Spring Hill gold deposit...important factor in tungsten deposits of this type. Mine/Outcrop/Drill-hole Characteristics The mineralogy |  | | Book | | University of Würzburg Würzburg, Bavaria, Germany Department of Geological Sciences University of Cape Town...Azurite crystals, partly replaced by malachite, Tsumeb mine, Namibia; width of view ca. 3 cm; collection H.E...the Medieval Latin word mina = shaft (minare = to mine). The antique people, e.g., the Greeks and Romans...the groundwater. Therefore, outflow of mine water or from mine dumps, but also from geothermal power stations...Silesia, Poland, that had served as an outflow of mine water from a gold-arsenic deposit for many decades |  | | Book | | disseminating the information, the mine geologists and mine managers who have made the mine visits a rewarding experience...concentration required to achieve the break-even point for a mine in terms of revenue and costs. Any detailed exploration...epochs. Following Tumeaure (1955), a metallogenic province may be defined as a mineralized area or region...The size of a metallogenic province can be as large as the Superior Province (Canadian Shield) or as small...as the Upper Michigan Peninsula native copper province. Similarly, a metallogenic epoch can be as broad |  | | Report (issue) | | tertiary uranium deposits, South Texas uranium province ................................................deposits hosted by the Franceville Sandstone in Gabon, Africa. Typical sandstone-type uranium deposits...compaction and growth faults. COLORADO PLATEAU URANIUM PROVINCE As early as 1955, V. C. Kelley (8), having undertaken...e e f t r e n d ' Sligo Shelf * Uranium edge mine Figure 7. Simplified location map for uranium mines...age in an intermontane basin of the Cordilleran Province of western Canada, near the western margin of |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | information should be addressed to the Permissions Department, John Wiley & Sons, Inc., 605 Third Avenue, New...the late Horace Winchell of Yale University, Department of Geology and Geophysics, and Brian J. Skinner...British Columbia NF Labrador (part of Newfoundland Province) MB Manitoba NB New Brunswick NF Newfoundland...Spotsylvania Co., and Partridge mine, Orange Co., VA, and at Dahlonega, GA; Homestake mine, Lawrence Co., SD; Silver...Lake Co., Breckenridge(*), Summit Co., Ground Hog mine(*), Gilman Co., Silverton and Telluride, San Juan |  | | Book (edition) | | Superior Province BT Canadian Shield SA Blake River Group SA Ontario SA Quebec SA Sigma Mine SA Timiskaming...New¬ foundland. BT Devonian SA Newfoundland acid mine drainage Before 1978, also search drainage AND mines...SA acids SA drainage SA environmental geology SA mine drainage SA mines SA pollution SA sulfuric acid...Invertebrata acid rainfall use acid rain Aconcagua Province Central Chile. Also search Acon¬ cagua. BT Chile...recovery acidity use pH acids SA SA SA SA SA SA acid mine drainage acidic composition alanine amino acids |
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