detrital rock मीनिंग इन हिंदी

In the Miocene, a molasse formed of detrital rocks due to the erosion of the Alps and the Massif Central, was deposited in a shallow sea.
The peaks and some slopes in the valleys exhibit formations of detrital rock and colluvium derived from bedrock and dated to the glaciations of the Quaternary period ( Pliocene and Pleistocene ).