Green River Fossils

The Green River Formation is one of the most famous rock units in the world for its fossils.
Petrified Wood

Petrified Wood is a fossil that forms when dissolved material precipitates and replaces wood.
Fossil Kits

Fossil Kits Learn how to identify fossils and where they fit into the geologic time scale.
A Close Look at Coal

Coal Through a Microscope Coal is more than a black rock. It is THE most interesting rock.
Turritella Agate

Turritella Agate is a brown agate containing snail fossils from the Green River Formation.
What is Peanut Wood?

Peanut Wood is a type of fossil wood found in Australia. Do you know how it forms?