a mass of rock resembling a valley glacier that moves or is moved down a slope by its own weight or by the action of frost and interstitial ice.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use rock glacier in a sentence
For decades, the rock glacier slid downhill just a few inches a year, creating small cracks in the road that required only sporadic maintenance.At Alaska’s most popular national park, climate change threatens the only road in and out | Nathaniel Herz | October 15, 2021 | Washington Post
The last half-mile of the Nisqually Glacier has the appearance more of a rock glacier than an ice glacier.Your National Parks | Enos A. Mills
This slide had been temporarily changed into a rock glacier—a slow, down-sliding mass of confused broken rocks.Watched by Wild Animals | Enos A. Mills