Museum of Geology

 South Dakota School of Mines & Technology in Rapid City, SD has a wonderful free museum to explore.

Chalcopyrite

Galena w/ Dolomite

Mesolite w/ Stibnite

Gypsum

Crocodile 

T

T-Rex

Triceratops 

Edmontosaurus lived in large herds and roamed along 

the coast of an ancient seaway that stretched from Texas to Canada 

between 80 and 65 million year ago.

Brontotheres are extinct relatives of horses, tapirs, and 

rhinoceroses. 

Mosasurus conodon was an aquatic lizard

Styxosaurus snow was an marine reptile

So many bones.

State gem Fairburn Agate

Barite w/ calcite