downwarp

downwarp

[′dau̇n‚wȯrp]
(geology)
A segment of the earth's crust that is broadly bent downward.
References in periodicals archive ?
It must be emphasised that, apart from local faulting, the only movements that took place from Permian times onwards, represented uplift and relative downwarp in areas of deposition, so that the Permian situation has remained relatively unaltered.
In contrast, the eastern SRP is a structural downwarp, associated with extension and magmatism along the track of the Yellowstone hot spot.