“…1 -Ar-Ar, hydromica, tuffaceous aleurolite, (this study); 2 -K-Ar, mica from cement of limestone breccia (Sazonov et al, 1991); 3, 4 -U-�b, zircon, granodiorite: 3 -age of formation, 4 -age of alteration (Krasnobaev, 2007;Fershtater, 2015); 5 -U-�b, zircon, quartz diorite (Grabezhev et al, 2014); 6, 7 -U-�b, zircon, quartz diorite: 6 -age of formation, 7 -age of alteration (Krasnobaev, 2007;Fershtater, 2015); 8 -Rb-Sr, different rocks (Krasnobaev, 2007;Fershtater, 2015); 9 -Sm-Nd, biotite-amphibolepyroxene diorite (Ronkin et al, 2009 …”