| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,767,770,179 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
rock glacier |
Also found in: Wikipedia | 0.02 sec. |
rock glacierTonguelike body of coarse rock fragments, found above the timberline on mountains, that moves slowly down a valley. The rock material usually has fallen from the valley walls and may contain large boulders; it resembles the material left at the end (terminus) of a true glacier. A rock glacier may be 100 ft (30 m) deep and nearly a mile (1.5 km) long. rock glacier [′räk ‚glā·shər] (geology) Boulders and fine material cemented by ice about a meter below the surface. Also known as talus glacier. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in periodicals archive | |
|---|---|---|
We stopped for a stretch at a sign that showed a rock glacier - the brittle bedrock of mountain peaks shattered by the freeze-thaw activity and lubricated by melting waters. The rock glacier originates in a large meadow about a thousand feet up the mountainside. The Rock Glacier prospect is a previously unreported area of widespread quartz in debris of a large rock glacier -- a form of landslide of ice and boulders. |
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|