open fold

open fold

[′ō·pən ‚fōld]
(geology)
A fold having only moderately compressed limbs.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In later lessons, I show students photos of the vocal folds, illustrating long and thin folds, short and fat folds, and open folds revealing the rings of the trachea underneath the folds.
On the rest of Conanicut and Aquidneck islands, exposure is primarily restricted to N-trending outcrops which are not optimal for viewing gentle to open folds in this orientation, although as noted above, [S.sub.2] on Aquidneck Island appears folded on a regional scale.
The Citroen Saxo VTR driver from Ingleby Barwick was left without a championship to contest when the Rallycross Open folded.
At Bundaroo the 25km-long target is interpreted to be a substantial open folded iron formation with similar magnetic amplitudes to the existing Wubin DSO and magnetite targets.
Smaller open folds with wavelengths of 5-20 m and amplitude 2-3 m (Fig.
Cut around the patterns and remove pins; open folded stocking piece.