1. adj. [Geology]

Pertaining to the environment of deposition of sediments by wind, such as the sand dunes in a desert. Because fine-grained sediments such as clays are removed easily from wind-blown deposits, eolian sandstones are typically clean and well-sorted.

Synonyms: aeolian

See: clay,  depositional environment,  depositional system,  sabkha,  sandstone,  sediment