Scoria in the badlands
Scoria rock is quite common in the North Dakota badlands. The scoria pictured here was found in the Theodore Roosevelt national park south unit. It brings some good color to the hills of the badlands.
© Roxanne M. Westman
Copyright for this gallery photo belongs solely to Roxanne M. Westman. Images may not be copied, downloaded, or used in any way without the express, written permission of the photographer.