geological formation :
- n (geology) the geological features of the earth
News & Articles
- Loess Hills: An American treasure
Seen from a distance, Iowa’s Loess Hills may appear little different from other rolling countryside in the state. But spend an hour, a day, or a week exploring them, and the region’s unique character begins to unfold. These hills are a rare geological formation found only here and in northern China.
Aug. 11, 2013 - The Gazette