Archean-Paleoproterozoic boundary at the Karelian craton: First ion-microprobe U-Pb (SHRIMP II) data on zircons from mafic volcanics. - Zlobin, V.; Bogina, M.; Mints, M.; Berezhnaya, N.; Presnyakov, S.; Paderin, I.; Dorofeev, R. (Doklady Earth Sciences, 2010)