ABSTRACT

The central part of the Russian Plain was the region of most effective accumulation during the Pleistocene glaciations. Therefore, the Dnieper and Moscow Tills, together referred to as the Middle Russian (Podmoskovnyi) Group are best and most typically developed. The Middle Pleistocene age of the till can also be determined using analysis of the small mammal fauna of the sections in the upper Volga area near Rybinsk town. It is assumed that the deposits belong to the Middle Pleistocene ‘Odintsovo-Galich Event’. Thus using biostra-tigraphy and palaeomagnetic evidence, the Dnieper Till has been continuously identified in the central region from the upper Oka to the upper Volga Rivers. In the Pechora Lowland, the Middle Pleistocene glaciers were covered by the whole area extended far beyond it and deposited widespread Dnieper and Moscow Tills. The separate identity of the more recent Moscow Glacial Formation is established by the occurrence of interglacial deposits (at Rodionovo or Shklov) intervening between these Middle Pleistocene tills.