Reconstruction of the Age of Provenances for the Rare Metal-Titanium Placers of the Upper Neogene Ergeninskaya Formation (Karpinsky Ridge, Epi-Hercynian Scythian Platform). - Chefranova, A. V.; Kovach, V. P.; Volkov, A. V.; Lalomov, A. V.; Lavrishchev, V. A.; Chefranov, R. M.; Plotkina, Y. V.; Gorohovskiy, B. M. (Doklady Earth Sciences, 2026)