description Thompson Esker Overview
help Thompson Esker FAQ
What is the Thompson Esker?
The Thompson Esker is a major glacial landform in northern Manitoba, Canada. It is known for a distinct winding ridge formed by subglacial meltwater streams.
How did the Thompson Esker form?
During the Pleistocene epoch, meltwater flowing beneath a glacier deposited sediment in a long channel. When the ice retreated, the channel fill remained as a ridge.
Where is the Thompson Esker?
It is in northern Manitoba, Canada, near the Thompson region. Its winding shape reflects the former path of meltwater beneath glacial ice.
Why does the Thompson Esker wind instead of forming a straight ridge?
The ridge follows the buried route of subglacial meltwater rather than a simple surface contour. Changes in the ice and water channel allowed the deposit to curve and wind across the landscape.
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