Thickness varies from a feather edge against the Uncompahgre highlands to the east to over  in southwestern Utah. The thickness varies greatly in the Paradox Basin, where the Moenkopi is thin to nonexistent on the crests of salt anticlines and over  thick in the corresponding synclines.
Thickness ranges from a fine edge against the Uncompahgre highlands to over  in southwestern Utah. The thickness varies significantly in the Paradox Basin, where the Moenkopi is thin or absent on the crests of salt anticlines and thick in the corresponding synclines.