Isostatic depression
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Isostatic Depression is the term used by geologists for the sinking of large parts of the earth's crust into the asthenosphere. The sinking is caused by a heavy weight placed on the earth's surface. Often this is caused by the heavy weight of glacial ice due to continental glaciation, a process in which permanent ice places pressure on the earth's crust thereby depressing it with its weight.
After continental glaciation has receded, it is common for isostatic rebound to take place.
[edit] See also
[edit] References
Glossary of Terms: I Physical geography - Waugh 2006
