description Takaharju Overview
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What is Takaharju in Finland?
Takaharju is a glacial esker, meaning a long ridge of sand and gravel deposited by meltwater beneath or within glacial ice. It was formed during the last Ice Age.
How was Takaharju formed?
Meltwater flowing through tunnels in retreating ice deposited sand and gravel in a winding ridge. That process produced the characteristic narrow, elevated shape of an esker.
Is Takaharju made of rock or sand?
Takaharju is mainly composed of sand and gravel rather than solid bedrock. Its loose glacial sediments are typical of eskers found across Finland.
Why are Finnish eskers such as Takaharju significant?
Eskers record how glaciers moved and melted during the last Ice Age. They can also shape local terrain, drainage, forests, roads, and recreation areas.
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