Mountains, Rejuvenated

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Mountains, Rejuvenated

 

or activated platforms, mountain structures that have arisen on the sites of ancient peneplained (leveled and lowered) mountain areas as a result of very recent movements of the earth’s crust. The rejuvenated mountains have preserved highly uplifted sections of the peneplains (leveled-off surfaces) from the epoch that pre-ceded the most recent mountain formation. Some examples of rejuvenated mountains in the USSR are Tien-Shan and the Altai Mountains, in North America the Rocky Mountains, and in Africa the East African plateau.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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