TY JOUR TI The Neoproterozoic and Early Paleozoic geological history of the Ural-Kazakhstan margin of the Paleoasian Ocean using new isotopic and geochronological data obtained for the Polar Ural region KW ophiolite KW plagiogranite KW isotopic geochronological studies KW Polar Ural KW granite gneiss. JO Russian Journal of Earth Sciences AU Khain, E.V. AU Fedotova, A.A. AU Bibikova, E.V. AU Salnikova, E.B. AU Kotov, A.B. AU Burgat, K.-. AU Kovach, V.P. AU Remizov, D.N. PY 2005 IS 7 PB Geophysical Center of the Russian Academy of Sciences