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
BALTOPS port call at Gdynia represented the first visit by United States Navy vessels to Poland since 1927. Since 1993 it has been a major contributor to the NATO programme Partnership for Peace, which aims to strengthen and create trust amongst former Soviet Union states (Estonia, Latvia, Lithuania) its former satellites (Bulgaria, Czech Republic, Hungary, Poland, Romania, Slovakia and Slovenia) and NATO. All these states have since joined NATO. Common participants are (but not limited to): Canada, Denmark, Estonia, Finland, France, Germany, Latvia, Lithuania, Netherlands, Poland, Russia, Sweden, United Kingdom, United States of America (commanding country) The 26th annual maritime exercise