disharmonic fold

disharmonic fold

[‚dis·här′män·ik ′fōld]
(geology)
A fold in which changes in form or magnitude occur with depth.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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presents new structural subdivisions of the stratigraphic column, which consists of several competent structural units that are separated by incompetent levels resulting in a disharmonic fold style in the study area (Fig 1).
Various forms of minor folds that are found associated with the rocks of the Imphal Valley are Coffer (Box) fold, Sharp (Angular) fold, Isoclinal fold, Harmonic and Disharmonic fold.
According to Harrison and Falcon (1936) these collapse structures can be classified as: 1) rotational collapse structures (flaps); 2) cascade folds, whose trains are essentially disharmonic folds; (ie.