The direction in which migrating dunes are moving can be determined by observing the cross-bedding of a dune, formed by the movement of sand up the lower-angle windward slope and deposition along the steeper slip face side.

Question

Quizplus · Accepted Answer

This is a correct statement. Cross-bedding is a feature of sedimentary rocks that can reveal the direction of the current or wind that deposited the sediment. In the case of sand dunes, the cross-bedding pattern is formed by the migration of the dune with the prevailing wind direction.

The Direction in Which Migrating Dunes Are Moving Can Be