Geology of Finland subsequent uplift and erosion would have eroded all of these sediments. In Finland, Caledonian nappes overlie shield rocks of Archean age. Despite occurring in about the same area the Scandinavian Caledonides and the modern Scandinavian Mountains are unrelated. The ice sheet that covered Finland intermittently during the Quaternary grew out from the Scandinavian Mountains. By some estimates the Quaternary glaciers eroded away on average 25 m of rock in Finland, with the degree of erosion being highly variable. Some of the material eroded in Finland has ended up in Germany, Poland, Russia and the Baltic states. Ground till left by
Latvia–Russia border Jūrmala-Tukuma and Ventspils are also registered as border crossing points. Latvia–Russia border Latvia–Russia border is the state border between Republic of Latvia (EU member) and the Russian Federation (CIS member). The length of the border is 214 km. The access-restricted Border Security Zone of Russia lies along the border on the Russian side. In order to visit this zone, a permit issued by the local FSB department is required (the only exceptions are international border transit points). The Pskov region and Latvia have had historical ties since the founding of the Pskov Republic in the 13th century. From 1925 to