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
Norway–Sweden border which parish to which diocese. In the unpopulated mountains, the border mainly followed the water divide. There were disagreements on the parishes of Särna, Idre, Lierne, Kautokeino and Karasjok, which had to be solved by give-and-take. Based on that, in 1752–1765 border cairns were erected between Norway and Sweden including Finland, which mostly remain today. After the Treaty of Kiel and the Convention of Moss (1814) the union between Sweden and Norway was established, and the Norway–Sweden border became a border between two union partners. In the Negotiations in Karlstad which led up to the dissolution of the union in