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
Bryotropha galbanella They live in a silken tube. In captivity, larvae have also been reared on "Homalothecium lutescens". They have a pale brown body. Bryotropha galbanella Bryotropha galbanella is a moth of the family Gelechiidae. It is found in Denmark, Norway, Sweden, Finland, Estonia, Latvia, Great Britain, France, the Netherlands, Germany, Poland, Austria, the Czech Republic, Italy, Romania and Russia. It is also found in Japan and North America (Alaska and extreme north-western Canada). Furthermore, it was incorrectly recorded from Chile. The wingspan is 14–18 mm for males and 13–16 mm for females. The forewings are dark ochreous grey, mottled with pale