13, P.O. Box 245, Snezhinsk, Chelyabinsk oblast, 456770, Russia email: e.a.kozlov@vniitf.ru b Geological...State University, Leninskie gory, Moscow, 119899 Russia email: saz@geol.msu.ru Received December 19, 2011;...host the following astrob lemes: The Popigai astrobleme in the Anabar Shield is 100 km in diameter and...Vishnevskii et al., 1975, 2002). The Janisjarvi astrobleme in Karelia is one of the oldest impact structures...Vishnevskii et al., 2002). The PuchezhKatunskaya astrobleme in the Nizh nii Novgorod area in the central Russian |