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 relations time, often replacing those who were deported. The high influx of Russians and the removal of Latvian as the official language caused further deteriorations in the Latvia-Russian relations between citizens. In 1991, Latvia regained independence from the USSR through the Latvian independence and democracy poll, 1991. On April 2004 Latvia expelled Second Secretary of the Russian Embassy in Rīga Pyotr Uzhumov, who had allegedly trying to gather information on Latvia's defence forces, for activities "incompatible with his diplomatic status" to which Russia responded by expelling first secretary of the Latvian Embassy in Moscow. In 2007, the border treaty between the