TY JOUR TI Precambrian microfossil-characterized biotopes from the southern margin of the Siberian craton KW Neoproterozoic KW Siberian craton KW sedimentation conditions KW microfossils KW acritarchs KW algae KW bacteria KW classification. JO Russian Journal of Earth Sciences AU Stanevich, A.M. AU Nemerov, V.K. AU Sovetov, Y.K. AU Chatta, E.N. AU Mazukabzov, A.M. AU Perelyaev, V.I. AU Kornilova, T.A. PY 2005 IS 7 PB Geophysical Center of the Russian Academy of Sciences