“…Reliable correlations (Fig. 3) and geodynamic reconstructions are possible due to biostratigraphic constraints from conodonts for the western and eastern margins of the Magnitogorsk zone [Prokin et al, 1985[Prokin et al, , 1988Maslov et al, 1993;Stratigraphic Schemes…, 1993;Seravkin, 1997Seravkin, , 2010Seravkin et al, 1992;Puchkov, 2000Puchkov, , 2010Kosarev et al, 2014;Salikhov et al, 2014;Gas'kov, 2015], together with petrographic and geochemical studies of volcanites.…”