Ground geophysical surveys over the McClean uranium deposits, northern Saskatchewan

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Mots clés : Mineral exploration;Drilling;Geophysical surveys;McClean deposits;Uranium;Athabasca Group;Electromagnetic surveys;Gravity surveys;Economic geology
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Texte
Publication: CIM Bulletin
Auteur(s): A. SUTHERLAND BROWN
Mots clés: Mineral exploration, Mineral deposits, Discovery, Prospecting, Geosciences studies, Surveys, Geological Branch studies, British Columbia
Numéro: 886
Volume: 79
Année: 1986
Texte
Sommaire: This paper covers the development of the property to its present production level of 20,000 tonnes per day from the Valley Mine. It will also review the analysis of various case studies for the expansion of the project to its full potential, and discuss the impact of the recent structural change in the copper market on the development of a large low-grade deposit such as Valley.
Publication: CIM Bulletin
Auteur(s): P.P. TAYLOR
Mots clés: Exploration, Copper deposit, Valley copper project, Project development, Production, Capital cost, Equipment, Concentrator, Markets.
Numéro: 886
Volume: 79
Année: 1986
Texte
Sommaire: The Lang Bay germanium property is a carbonaceous sandstone deposit outcropping near the Pacific coast, 100 km north of Vancouver. The germanium-bearing seams are up to 5 m thick. Where one such seam outcrops, it averages 50 to 60 g Ge/tonne. Drill core analyses have shown considerably greater concentrations of germanium at depth. Additional drilling to establish continuity and grade of the germanium-bearing strata is scheduled for 1986. The germanium occurs in association with lignite, which...
Publication: CIM Bulletin
Auteur(s): P.B. QUENEAU, PETER V. AVOTINS
Mots clés: Rare metals, Recovery, Exploration, Geology, Mineralogy, Extractive metallurgy, Hydrometallurgy, Germanium, Gallium, Coal, Oil agglomeration, Flotation, Lang Bay
Numéro: 886
Volume: 79
Année: 1986
Texte
Sommaire: Reconnaissance geochemical mapping, based on the chemical analysis of waters, stream, and/or lake sediments had its origin in geochemical prospecting surveys carried out in New Brunswick during the 1950s. More recently, reconnaissance geochemical surveys carried out by government agencies for mineral resource appraisal purposes have been seen as a special case of regional geochemical mapping which is carried out with the aim of describing geochemical patterns for elements which may be...
Publication: CIM Bulletin
Auteur(s): J.A.C. FORTESCUE
Mots clés: Mineral exploration, Geochemistry, Geochemical mapping, Geochemical surveys, Geoscience, Prospecting, Micromodules, Mineral resource appraisal, Lake sediments
Numéro: 886
Volume: 79
Année: 1986
Texte
Sommaire: The Cigar Lake uranium deposit, in the Athabasca area of North Saskatachewan, was discovered in May 1981 by Cogema Canada Ltd., as operator of the Waterbury Lake Joint Venture.
The deposit, which is devoid of direct surface expression, is located at the unconformity between the Lower Proterozoic (Aphebian) Wollaston Group metasediments and the Middle Proterozoic (Helikian) Athabasca sandstone, at a depth of 410 m to 450 m below surface.
At the end of 1984, the deposit had been defined by 105...
Publication: CIM Bulletin
Auteur(s): J.P. FOUQUES, M. FOWLER, H.D. KNIPPING, K. SCHIMANN
Mots clés: Mineral exploration, Uranium deposils, Unconformity-lype deposils, Geophysics, Saskatchewan
Numéro: 886
Volume: 79
Année: 1986
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