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Article
Composition, Age, and Sedimentation Environment of the Ore-Hosting Eravna Series of the Uda–Vitim Zone (Western Transbaikalia, Russia)
The paper considers data on the composition, age, and formation conditions of the Ulzutui and Kydzhimit sequences, which are ascribed to the Eravna Series of the Eravna Subzone of the Uda–Vitim Zone. The Eravn...
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Article
Volcanic Tuffs and Tuffites in Jurassic–Cretaceous (Volgian–Ryazanian) Boundary Rocks of Western Siberia
Altered ash tuff and tuffite layers in the Jurassic–Cretaceous boundary rocks (Bazhenovo Formation) were studied in detail. These layers represent an interval ranging from the upper part of the middle Volgian ...