Backyard Geology

Frederick County is one of the most geologically diverse counties in the state of MD. Sedimentary rocks like limestone and conglomerate dominate the valley while metamorphic quartzites and metabasalts can be found on the mountains.

This backyard geology guide covers the fundamentals of geology, the tools you'll need, the rock types you'll likely find, how to dig safely in your yard, and additional apps and activities to inspire curiosity. Click here for more information.