Geology

Fairburn

Hunting for Fairburn Agates

Rock hounds scour the southern Black Hills in search of an elusive, yet beautiful rock: the Fairburn Agate. Finding a large fairburn is not only a once-in-a-lif...
Geology

Black Hills and Badlands Geology

The unique and varied landscapes of the Black Hills and Badlands region are a geology student’s dream. The following is a general overview of the four geologic ...
Ammonite

Fossils of the Badlands

The Badlands of South Dakota are known for their abundance of fossil mammals. Preserved in the layers of exposed rock and ancient soils are examples of brontoth...