Glacial grooves and striations are scratches or gouges in bedrock created when?

2 answers:

5 0

These scratches and gouges are usually created by a moving glacier, another term would be glacial abrasion. Scratches were formed when boulders and gravel get trapped under the ice. These are best seen after rain and through a low-angle light.

solong [7]3 years ago

4 0

Answer:

These scratches and gouges are usually created by a moving glacier; another term would be glacial abrasion. Scratches were formed when boulders and gravel get trapped under the ice. These are best seen after rain and through a low-angle light. Glacial grooves and striations are gouged or scratched into the bedrock as the glacier moves downstream. Boulders and coarse gravel get trapped under the glacial ice and abrade the land as the glacier pushes and pulls them along.

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