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
Poland–Russia border the following Polish administrative districts (powiaty) were granted the same status: The border traffic is very high, and additional border crossings are being considered as of 2013. Poland–Russia border The modern Poland–Russia border is a nearly straight-line division between the Republic of Poland (European Union (EU) member) and the Russian Federation (CIS member) exclave of Kaliningrad Oblast, a region not connected to the Russian mainland. It is currently long. Its current location and size were decided as part of the aftermath of World War II. In 2004 it became part of the boundary of the European Union and Commonwealth of