Post Category : Glossary

Glacial Flutes

By Kurtis Blaikie-Birkigt on August 2, 2017

Ryan is doing layout work to protect wetlands and streams during aerial herbicide application and he got this great shot of glacial fluting northeast of Calling Lake.

These parallel ridges were formed when the Laurentide ice sheet coming southwest from the Canadian Shield hit bedrock uplands at the east end of the Pelican Mountains. The base of the glacier formed a saw-tooth pattern that scoured these ridges and troughs for several kilometers.

This is how these glacial flutes appear on LiDAR.

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