Rock glaciers are glaciers shielded from melting by a layer of rocks, allowing them to stay frozen in locations where they would otherwise melt. They consist either of angular rock debris frozen in interstitial ice, former "true" glaciers overlain by a layer of talus, or something in between.
Rock glaciers are glaciers shielded from melting by a layer of rocks, allowing them to stay frozen in locations where they would otherwise melt. They consist either of angular rock debris frozen in interstitial ice, former "true" glaciers overlain by a layer of talus, or something in between.
Source: Wikipedia "Rock glacier" · CC BY-SA 4.0
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