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SSASSY SSASSY
wrote...
Posts: 342
5 years ago
Why are glacial striations so important?
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5 years ago
 Striations are parallel scratches created by glaciers scraping the underlying bedrock. Aligned in the direction of ice flow, striations tell us the past movement of a glacier that has long since receded. By mapping striations on land once covered by continental glaciers, geologist can decipher the flow direction of the ice.
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