Diapir Folds

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 It might be outdated or ideologically biased.

Diapir Folds

 

anticlinal, usually domelike folds characterized by the presence of a greatly deformed core (so-called piercement core) made up of older, highly mobile rocks (salt, clay). The surface of the core pierces the more gently pitching strata of the limbs of the fold.

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