Berger

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 It might be outdated or ideologically biased.

Berger

 

the deepest karst depression on earth. Located in the northern part of the Vercors massif (France). The shaft reaches 1,122 m vertically from the ground surface. The karst depression was formed on the wing of a fold composed of limestones underlain by shale. The entrance is at an altitude of 1,460 m. In the upper parts Berger appears to be a typical karst depression, descending deeper by several terraces. At a depth of more than 200 m the shaft changes into a cave (the Grand Gallery), which descends along the slope of the layers, worked into the limestone at the contact with the shale. In the depths there is a large canyon and Hurricane Falls; creeping past the falls and a steep shelf, the shaft ends in a water funnel.

N. A. GVOZDETSKII

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