Fluorescent minerals display with lights on
Some minerals "glow" while exposed to ultraviolet light.

We welcome visitors weekdays from 8 a.m. to 4:30 p.m. Admission is free and we are located at 111 Fairgrounds Road, Rolla. Please note the museum is closed weekends and holidays.

The museum illustrates the geologic history of Missouri through an ongoing collection of rock, mineral and fossil displays. While here, be sure to pick up some of our free literature. We also sell Missouri geologic and topographic maps, along with a variety of technical and general-interest maps, publications, books and rock and mineral sets at our sales counter. Many of our print publications also are available for downloading free of charge. Use the document search to locate them.

Museum Highlights

  • Meteorite that was found near Licking, Missouri
  • Replica of Hypsibema missouriensis (Missouri’s official State Dinosaur)
  • Mammoth tusk
  • Fluorescent minerals display
Ask a Geologist photo grid

Children and adults often bring rocks and other items to our museum and ask for a geologist to examine and properly identify them. If you can't visit, but want to send a photo of your find or if you have a questions about Missouri geology, please email us at askageologist@dnr.mo.gov.

In the meantime, learn about some of the rocks, minerals and fossils in Missouri.

Locate us on this Google Map.