File:Glacier Erosion (31716053364).jpg
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Glacier_Erosion_(31716053364).jpg (500 × 202 pixels, file size: 89 KB, MIME type: image/jpeg)
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| Description |
Courtesy of Rocky Mountain National Park Glaciers that flow over bedrock can erode their beds sculpting the landscape to create unique features like U-shaped valleys, horns, and arêtes. They do this by processes known as abrasion and plucking. Abrasion: rocks and sediment contained within the ice scratch the bedrock like sandpaper. Plucking: weaknesses and fractures in bedrock grow under fluctuations in subglacial environment, eventually coalescing and isolating blocks of bedrock that are removed by the glacier. |
| Date | |
| Source | Glacier Erosion |
| Author | NPS Natural Resources |
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This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information. |  |
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This image was originally posted to Flickr by naturenps at https://flickr.com/photos/130826934@N07/31716053364. It was reviewed on 24 December 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:16, 5 October 2021 | | 500 × 202 (89 KB) | Ltn12345 (talk | contribs) | Transferred from Flickr via #flickr2commons |
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