 | | Journal (article/letter/editorial) |
| (UO22+) minerals. The predominance of vanadates (carnotite and tyuyamunite) in these deposits is due to their...Typical examples are the deposits from the Arlit area in Niger (Pagel et al. 2005). The processes controlling...Forbes P et al (2005) Uranium deposits in the Arlit area (Niger). In: Mao J, Bierlein FP (eds) Mineral deposit |
 | | Report (issue) |
| margin of the Air Mountains in the Republic of Niger ............................................ 247...United States, and most of the remainder was from Niger, France, Argentina, and Japan. Reasonably Assured...domestic sources of uranium in Argentina, Japan, Niger, and the United States and are an important source...and autunite; the presence of vanadium yields carnotite or tyuyamunite; copper yields cuprosklodowskite...percent came from the United States, 6 percent from Niger, 4.7 percent from France, and the remainder from |
 | | Report (issue) |
| Hamr-Stráz (Czech Republic), Akouta, Arlit, Imouraren (Niger) and Colorado Plateau (USA). • Basal...activities include drilling and coring to complete final mine plans and establish final processing flowsheets...case of an underground mine or overburden stripping in the case of an open pit mine, mill construction,...300 3.8 Brazil 157 400 121 000 278 400 5.1 Niger 243 100 30 900 274 000 5.0 Russian Federation...593 7 600 17.5 Kazakhstan 5 281 7 245 16.7 Niger 3 443 3 633 8.4 Russian Federation 3 190 3 |
 | | Report (issue) |
| Republic of.................................. Niger, Republic of................................. Egypt...placers. Secondary uranium ore minerals, such as carnotite, tyuyamunite, torbernite, meta-torbernite, autunite...zones of primary deposits. Vanadates such as carnotite are major secondary minerals in sandstone deposits...Lake, Canada; Lake Frome, South Australia; Arlit area, Niger; and Colorado Plateau, U.S.A.), or gulf-type...S.A.; Salta and Mendoza Provinces in Argentina; Niger; Ferghana Basin in the U.S.S.R.; and Lake Frome |
 | | Journal (article/letter/editorial) |
| the tectonolithologic deposits of the Arlit district in Niger, have Mesozoic to Cenozoic U-Pb ages of...inclusion studies (e.g., Pagel et al., 2005 for the Niger deposits). In contrast with a synsedimentary origin...for the ArlitAkouta tectonolithologic deposits of Niger. Consequently, if continental-derived organic matter...been proposed to explain the precipitation of carnotite (Boyle, 1984). Some of these changes may result...in precipitating uranium. For many of deposits carnotite is presently close to saturation, demonstrating |
 | | Journal (article/letter/editorial) |
| both cases. In the case of a uranium ore (SOMAÏR, Niger) and associated UOC, the observed fractionation...Annex. The ore samples that feed the COMINAK mill, Niger were taken in situ in the galleries of underground...mines while the ores that feed the SOMAÏR mill, Niger were sampled after blending of large batches extracted...Sandstone Sandstone Phosphorite Phosphorite Unknown Carnotite UO2, coffinite, U-Ti oxides UO2, coffinite, U-Ti...02 6) Trekkopje, Namibia COMINAK, Niger COMINAK, Ebba North, Niger 0.5 1.1 11.9 0.004 0.066 24.8 0 |
 | | Report (volume) |
| by George L. Snyder ....................... . (B) Mine appraisal, by Lowell L. Patten ...................dispersal of elements (like that of the lower Greenville mine) are unlikely to have escaped detection. However...some small blind veins (like those at the Elkhorn mine), or surface ores in gentle topography with slow...dispersal of elements (like the upper Greenville mine) could have escaped geochemical detection. No large...in glacially polished whaleback left of lake. Two mine portals labeled, across Gilpin Creek on lower slopes |
 | | Report (issue) |
| NAMIBIA NEPAL NETHERLANDS NEW ZEALAND NICARAGUA NIGER NIGERIA NORWAY OMAN PAKISTAN PALAU PANAMA PAPUA... Description of a selected deposit: The Denison mine deposit (Canada) ....... 304 Surficial deposits...Slovakia); Subtype 4.3. Volcano-sedimentary (Anderson Mine, USA; Sierra Pintada district, Argentina). Type...Beverley, Australia); Subtype 9.2. Tabular (Arlit District, Niger; Ambrosia Lake District, USA): Class 9.2...fluvial, U associated with intrinsic reductant (Arlit type, Niger); Class 9.2.2. Continental fluvial, U associated |
 | Wulser, P.-A., Brugger, J., Foden, J., Pfeifer, H.-R. (2011) The Sandstone-Hosted Beverley Uranium Deposit, Lake Frome Basin, South Australia: Mineralogy, Geochemistry, and a Time-Constrained Model for Its Genesis. Economic Geology, 106 (5) 835-867 doi:10.2113/econgeo.106.5.835 | Journal (article/letter/editorial) |
| microenvironments in the ore zone. Small amounts of carnotite are associated with the coffinite ore and also...REE at Beverley. U-Pb dating of coffinite and carnotite suggest that the U mineralization is Pliocene...2005 of a new mineralized zone to the west of the mine: the Four Mile deposits (Fig. 1b). The genesis of... 838 WÜLSER ET AL. Age Frome basin Beverley Mine area Eyre basin North Flinders area Eurinilla...eastern part of the basin, south of the Beverley mine, and the formation is thickest (90−170 m) near the |
 | | Report (issue) |
| NAMIBIA NEPAL NETHERLANDS NEW ZEALAND NICARAGUA NIGER NIGERIA NORWAY OMAN PAKISTAN PALAU PANAMA PAPUA.........................................59 3.3.4. Mine data .............................................Canada Russian Federation Namibia South Africa Niger Brazil China Greenland (Denmark) Ukraine Mongolia...Rössing in Namibia and the closure of the Kayelekera mine in Malawi as a result of low prevailing uranium...Germany Australia Russian Federation South Africa Niger Uzbekistan Ukraine Namibia Czech Republic France |
 | | Book |
| with beams. These weren’t caves at all. They were mine entrances. It now made sense. The valley floor had...found a vein of it in the lower levels of a silver mine at the end of the Dark Ages. They considered it...curiosity. Shinkolobwe had been a menace for years. The mine shafts were sealed tight with concrete plugs when...between the United States and Union Minière. The mine would go on to supply nearly two-thirds of the uranium...for the Land Cruiser to handle. Somwe told us the mine was about four miles farther. Serge pulled the vehicle |
 | | Report (issue) |
| minerals are uranium vanadate; tyuyamunite or carnotite, and commonly extend to a depth of 5 meters (m)...Province, the El Faraa occurrence consists of carnotite associated with barite in black shale (Donzeau...uranium deposits in Africa are Imouraren and Arlit in Niger, Mikouloungou in Gabon and several prospects...Mauritanides the El Faraa occurrence consists of carnotite associated with barite in black shale of the late... A. and Moran, A., 2008, Characterization of Carnotite Uranium Deposit, Trekkopje, Namibia, in SEG-GSSA |
| | Report (issue) |
| minerals are uranium vanadate; tyuyamunite or carnotite, and commonly extend to a depth of 5 meters (m)...Province, the El Faraa occurrence consists of carnotite associated with barite in black shale (Donzeau...uranium deposits in Africa are Imouraren and Arlit in Niger, Mikouloungou in Gabon and several prospects...Mauritanides the El Faraa occurrence consists of carnotite associated with barite in black shale of the late... A. and Moran, A., 2008, Characterization of Carnotite Uranium Deposit, Trekkopje, Namibia, in SEG-GSSA |
 | | Book |
| of Uranium Mining in the United States 33 Carnotite: The Gem of the Colorado Plateau Post-War Uranium...Athabasca Basin Australia Countries to Watch Namibia Niger Kazakhstan Sweden South Africa Conclusion Chapter...percent. The uranium-bearing pitchblende and yellow carnotite found on the Colorado Plateau were not only favorite...electricity is because it is relatively inexpensive to mine and mill. In turn, that makes nuclear energy attractive...Courtesy of USGS. which was of interest. It was the carnotite which attracted miners. Some, who didn’t know |
 | | Book |
| 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...ore until 1895. The Wood mine was the most productive one. Mining of carnotite ore started in 1898 in the |
 | | Report (issue) |
| engineered. Once an ore deposit is discovered, a mine is developed and U extracted by a variety of mining...Colorado Plateau (USA), Beverley (Australia), Akouta (Niger) Rabbit Lake, McArthur River (Athabasca Basin);...sandstone U deposits occur in sandstone deposits in Niger, Kazakhstan, Uzbekistan and the Karoo of South Africa...deposits. The main mineral in these deposits is carnotite, a potassium uranium vanadate. Surficial deposits...gold mining. In Namibia, the large Rössing open cut mine has been in operation since 1976, and currently |
 | | Report (issue) |
| literature. An example was with the Osamu Utsumi mine in Brazil. This deposit has been reported in the...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...support further production. Inactive Mine An inactive mine is a closed mine with remaining Reasonably Assured...estimated. Mine A mine is a deposit from which ore is currently being recovered. Depleted Mine A mine-out or |
 | | Report (issue) |
| NAMIBIA NEPAL NETHERLANDS NEW ZEALAND NICARAGUA NIGER NIGERIA NORWAY OMAN PAKISTAN PALAU PANAMA PAPUA...licensing in the uranium cycle production (case of Niger) .......................................... 56 A...The application of borehole seismic techniques in mine development at the Millennium uranium deposit, Northern...O. Skalskyi, V. Riazantsev, D. Bugai Uranium ISR mine closure — general concepts and model-based simulation...simulation of natural attenuation for South-Australian mine sites ......................................... |
 | | Book |
| countries (Kazakhstan, Canada, Australia, Namibia, Niger, Russia, Uzbekistan, and the United States). oil...enforceable standard by the U.S. Department of Labor’s Mine Safety and Health Administration or the Occupational...directly related to the population density near the mine or processing facility. processing can take place...present a health risk. 230Th and 226Ra are present in mine tailings, these radionuclides and their decay products...tailings management engineering and designs to isolate mine waste from the environment, limited data exist to |
 | | Book |
| contributed during discussions, field trips, and mine visits. More specifically, the author is deeply indebted...1 000 t U; 0.05–0.2% U). Type example: Highland Mine (Cz)/Powder River Basin, Wyoming, USA (Resources...Fluvial, U Associated with Intrinsic Reductant (Arlit Type) Tabular or lenticular U ore lodes are hosted...(<100 to 75 000 t U; 0.2–0.5% U). Arlit (Pz)/Tim Mersoï Basin, Niger (Resources + production: ~60 000...silica cemented rocks as typical for the Moonlight Mine (see below). Ore distribution is irregular changing |
 | | Journal (article/letter/editorial) |
| Canfieldite Carbocernaite Carlinite Carnallite Carnotite Carrolite Cascandite Cassiterite Cattierite Cavansite...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) |
| Canfieldite Carbocernaite Carlinite Carnallite Carnotite Carrolite Cascandite Cassiterite Cattierite Cavansite...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 |
 | | Report (issue) |
| Van Gosen, B. S., and Modreski, P. J., The Apex Mine, Utah-A Colorado Plateau-type solution-collapse...000 ft of core from 110 drill holes, 1:240scale arlit mapping, and Ni-Cu concentration data from the drill...mineral-deposit type. The criteria for each category are 1. A mine (with or without production); significant stream... they become bound together in the insoluble carnotite type of structure, which is a layer complex built...Corvusite Sherwoodite <( ~ Hewettite Pascoite Carnotite ..J > Acid Neutral Basic Melanovanadite |
 | | Journal (volume) |
| Mexico. Eight-sided crystals from the Traversella mine, Piedmont, Italy. .&. crystals. It can also be...available. The main source was once the Kongsberg Mine in Norway, but this closed in 1956. Man has, however...Clear crystals of anglesite on galena found in a mine near Cagliari, Sardinia. ► Anglesite crystals on...finest autunite crystals come from the Daybreak Mine, near Spokane in Washington State. In addition,...permission, and appropriate safety gear, to an abandoned mine tip - you may find interesting specimens that you |
 | | Book |
| expansion will be accelerated, but long lead times for mine/mill development may make it im- NUCLEAR POWER...from copper bearing ores at a Kennecott Corporation mine near Salt Lake City, Utah. Another method of obtaining...hazards. (6) (In the early years of the uranium boom, mine/mill tailings were used as fill and grading material...fleeting. Richer deposits that were also cheaper to mine were discovered in the Congo. In 1921 Africa stole...sweaty, impoverished years looking for yellow carnotite, the common uranium ore. When his test drill broke |
