Karelides is the ancient
mountain chain, which located between
Finland and Lapland.
formed current hill zone of Eastern Finland and Lapland's Arctic
hills splitting the Centre Finland. Karelidit formed about 2000
million years ago, when thick sandstone
sediments rocked and then folded when continental plates
smashed. This made a
ridge made of quartzite
, which has stood
there not caring of ice ages
weathering. Mountains in the very north-west Finnish
Lapland belong to the newer Scandinavian Mountains, and because of that they are higher than other
Finnish mountains. The third mountain group is Svecofennides, which stood there from Southern
Finland to Sweden.