Das Alter der Gletscherschrammen von Velpke

Konrad Richter
The glacial sheets that overlie the Rhaetic sandstone with its two systems of glacial striae have been investigated and the presence of ground moraines partly overlying another has been proved. The oldest of these ground moraines which is not preserved everywhere, has produced the early system of striation. By proving the gradual modification of the striation in the direction of a glacial movement recognized as having taken place during the Elster glacial, it appears possible...