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
Charles XII of Sweden designs eventually led to the famous Swedish war ships Jarramas (Yaramaz) and Jilderim (Yıldırım). Meanwhile, Russia and Poland regained and expanded their borders. Great Britain, an adversary of Sweden, defected from its alliance obligations while Prussia attacked Swedish holdings in Germany. Russia occupied Finland (the Greater Wrath 1713–1721). After defeats of the Swedish army, consisting mainly of Finnish troops in the Battle of Pälkäne 1713 and the Battle of Storkyro 1714, the military, administration and clergymen escaped from Finland, which fell under Russian military regime. Augustus II regained the Polish throne. Charles agreed to leave Constantinople and returned to Swedish