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