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Uranium metallogenenis in the Litsa district (Kola Peninsula, Russia)

Abstract : The Litsa district is one of the most interesting areas of the Kola Peninsula with respect to uranium metallogenesis. Presenting all the features of uraniferous province, it endured a protracted geological history with several successive uranium enrichments. There are over 30 uranium occurrences and manifestations, totally estimated at 102,000 tons in Speculative Resources (IAEA nomenclature), with an average grade of Uranium 0.01%. They occur at different stratigraphic levels of the geological succession in the district: Archean, Paleoproterozoic, Mesoproterozoic and Paleozoic. Uranium content in the geological formations gradually increases during the geological evolution of the Litsa district from Archean to Paleozoic. The most abundant and probably prospective for the economic-grade uranium mineralization is Paleozoic pitchblende vein type, located around the Litsa-Araguba granitoid complex, where favorable protoliths, structures and epigenetic processes are encountered
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Léonid Serov. Uranium metallogenenis in the Litsa district (Kola Peninsula, Russia). Earth Sciences. Université Henri Poincaré - Nancy 1, 2011. English. ⟨NNT : 2011NAN10137⟩. ⟨tel-01746299⟩

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