Conveners
Uranium geology
- Michel CUNEY (CNRS - GeoRessources - CREGU - Universite de Lorraine)
- Xiaodong Liu (East China Institute of Technology)
Dr
Michel CUNEY
(CNRS - GeoRessources - CREGU - Universite de Lorraine)
24/06/2014, 09:00
Uranium geology
Oral
Uranium strongly incompatible behavior in silicate magmas results in its concentration in the most felsic melts and a prevalence of granites and rhyolites as primary U sources for the formation of U deposits. Despite its incompatible behavior, U deposits resulting directly from magmatic processes are quite rare. In most deposits, U is mobilized by hydrothermal fluids or ground water well after...
Dr
Xiaodong Liu
(Key laboratory of Nuclear Resources and Environment, Ministry of Education East China Institute of Technology, Nanchang, Jiangxi, 330013 China)
24/06/2014, 09:30
Uranium geology
Oral
As one of the important geological types, granite-related uranium deposits account for about 29% of the total discovered natural uranium resources in China. Most of the granite-related uranium deposits located in Taoshan-Zhuguang uranium metallogenic belt, South China. In addition to the typical pitchblende vein-type uranium mineralization of epithermal metallogenic system, a new type of...
Dr
Julien Mercadier
(Georessources)
24/06/2014, 10:00
Uranium geology
Oral
Giant unconformity-related uranium deposits were formed during the Mesoproterozoic era, 1.6-1.0 Ga ago, in both Athabasca Basin (Canada) and Kombolgie Basin (Australia). They are precious witnesses of protracted large-scale fluid flows at the interface between sedimentary basins and their crystalline basement, at conditions close to peak diagenesis (130-220°C). Although the Athabasca Basin...
Dr
Eric Potter
(Geological Survey of Canada)
24/06/2014, 10:30
Uranium geology
Oral
Under the Targeted Geoscience Initiative Four (TGI-4) program operated by the Geological Survey of Canada, a collaborative project between government, academia and industry is examining unconformity-related U ore systems in the Proterozoic Athabasca (Phoenix, Millennium McArthur River and Dufferin Lake zone), Thelon (Bong) and Otish (Camie River) basins in order to refine genetic models and...
Dr
Alexander Emetz
(Institute of geochemistry, mineralogy and ore formation of NAS of Ukraine), Dr
Michel CUNEY
(CNRS - GeoRessources - CREGU - Universite de Lorraine)
24/06/2014, 11:30
Uranium geology
Oral
Ukraine produces ~1,100 t U per year from the Michurinske, Centralne, Novokostantynivske and Vatutinske U deposits in the Kirovograd U district of the Central Ukraine Uranium Province (CUUP) consisting of about 20 U deposits and numerous U showings related to ~1,8 Ga sodium metasomatites developed in the Lower Paleoproterozoic granite-gneiss and iron formations of the Ingul Megablock of the...
Mr
Sergey Schukin
(Priargunsky Mining and Chemical Operation (PPGHO), Krasnokamensk, Russia), Prof.
Vladislav Petrov
(Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry(IGEM), Russian Academy of Sciences, Moscow, Russia)
24/06/2014, 12:00
Uranium geology
Oral
The analysis of geological-geophysical, paleogeodynamics, mineralogical, geochemical, isotope, geochronological, and termobarogeochemical data allow us to offer a model of uranium ore formation dynamics in the basement and frame of the Streltsovskaya Caldera connected to activity of the fluid-conducting fault zones network with the aim to identify perspective areas for prospecting works. It...
Mr
Alexey Tarkhanov
(JSC ”Scientific-Research Institute of Chemical Technology”)
24/06/2014, 12:30
Uranium geology
Oral
Au-U mineralization is widely distributed in the tectonic-metasomatite zones of Pre-Cambrian shields (Aldan Shield, Ukraine Shield and others). The industrial ores are located only in several areas at depths of more than 150-300 m. The Uranium mineralization is represented by uranotitnates and the gold mineralization – by auriferous pyrite.
The lineal crust of weathering is present to the...
Dr
Rastislav Demko
(scientist)
24/06/2014, 14:30
Uranium geology
Oral
The U-Mo ores of the known uranium deposit Kurišková located in the Huta volcano-sedimentary complex (HVC) of lower Permian age belongs to the Petrova hora Formation of the North-Gemeric tectonic unit (Western Carpathians).
The HVC is built up by volcanic rocks of bimodal basalt-rhyolite association, intercalated with sandstones, mudstones and claystones. Based on the sedimentary facies...
Dr
Kristine Thrane
(Senior Research Scientist)
24/06/2014, 15:00
Uranium geology
Oral
The uranium potential in Greenland is considered high with several known uranium occurrences.
South Greenland is the largest uranium province in Greenland, containing the Kvanefjeld deposit, the Motzfeldt Centre and the Grønnedal-Ika complex, which are all large Mesoproterozoic alkaline Gardar intrusions. In the Puissattaq and Vatnaverfi areas, several U-rich veins follow the direction of the...
Dr
Irvine Annesley
(Department of Geological Sciences, University of Saskatchewan), Dr
Zoltan Hajnal
(Department of geological Sciences, University of Saskatchewan)
24/06/2014, 15:30
Uranium geology
Oral
The Proterozoic Athabasca Basin of northern Saskatchewan is one of the most important mining districts in Canada; hosting the world’s highest grade uranium deposits and prospects. In the basin, many of the near-surface deposits have been discovered; hence new ore deposits at greater depths need to be discovered. To help make new discoveries, 3D geological modeling is being carried...
Mr
Mark J. Doelger
(Stakeholder Energy, LLC)
24/06/2014, 16:00
Advances in exploration and uranium mineral potential modelling
Oral
The Pine Ridge uranium deposits are named for a newly identified area between the Pumpkin Buttes and Southern Powder River Basin (PRB) mining districts. This regional prospect, covering nine contiguous townships, is northwest of the Cameco Smith Ranch mine and west of the Uranium One Allemand-Ross project in Converse County, Wyoming.
Surface mapping and 350+ measured sections of well...
