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Geochemical analysis reveals volcanic origins of Early Proterozoic rocks, indicating geological history.
Petrochemical, petrographic, mineralogic, and geochemical characteristics of the Early Proterozoic volcanogenic leucotrachybasalt and picritic basalt formation of the 19arka Uplift are considered for the first time. Conditions of their origin are discussed. Results of determination of U – Pb radiologic age of volcanites by the zircon method are given.
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E. V. Tuganova (1992) studied this question.
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