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Glacial striations Glaciers can be miles long and hundreds of feet thick. As they move, their immense weight grinds the rock down leaving Glacial striations or scratches cut into bedrock by the glacial abrasion by rock fragments and sand grains embedded in the base of the glacier that act as cutting tools. Glacial striations are usually multiple, straight, and parallel, representing the movement of the glacier.

Alaska's Inside Passage Photography  

I had the opportunity to tour Southwest Alaska to photograph the magnificent landscape and wildlife. I cruised on Holland America Line's Oo...

Alaska's Inside Passage Photography  

I had the opportunity to tour Southwest Alaska to photograph the magnificent landscape and wildlife. I cruised on Holland America Line's Oo...

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