fluvioglacial deposit meaning in Hindi

In northern Germany, almost the entire surface geology is made of Cenozoic sediments, mainly of Pleistocene and Holocene glacial or fluvioglacial deposits.
The last glaciation, Valdai glaciation, occurred in the Late Pleistocene; it did not directly affect the territory of Moscow Oblast, but left traces in the form of fluvioglacial deposits, mainly in the north area.