Animal Fossils
Animal Fossils from the Green River Formation, such as turtles, a bat, and even a horse.
Insect Fossils
Insect Fossils - beetles and dragonflies preserved in wonderful detail at Fossil Lake.
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.
Petrified Wood
Petrified Wood is a fossil that forms when dissolved material precipitates and replaces wood.
Green River Fossils
The Green River Formation is one of the most famous rock units in the world for its fossils.
Fossil Kits
Fossil Kits Learn how to identify fossils and where they fit into the geologic time scale.
What is Peanut Wood?
Peanut Wood is a type of fossil wood found in Australia. Do you know how it forms?