box fold

box fold

[′bäks ‚fōld]
(geology)
A fold in which the broad, flat top of an anticline or the broad, flat bottom of a syncline is bordered by steeply dipping limbs.
References in periodicals archive ?
Various ligands including E2F1 and SKP2 also bind to the cyclin box fold domain.
But as evident from the pole and contour diagrams of the Western part (figures 3d and 4d) the fold could be of broad or rounded hinge similar to a concentric fan or box fold.
The box folds up by overlapping the three side pieces.