Fossils and Paleontology

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

Animal Fossils from the Green River Formation, such as turtles, a bat, and even a horse.

Fossil Gems Many gems such as coral, amber, ammolite, and petrified wood are fossils.

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

Gifts That Rock - What are the most popular gift items in the Geology.com store?

Fossil Fish - See the many different species found in the Green River Formation.

Ammolite is a fossil and a gemstone. It is shell material from fossil ammonites.

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

Fossils and Beer - Do you know which fossiliferous rock is used to make beer?

Insect Fossils - beetles and dragonflies preserved in wonderful detail at Fossil Lake.

Plant Fossils - Photos of flowers and leaves discovered in the Green River Formation.

Fossil Kits Learn how to identify fossils and where they fit into the geologic time scale.

Petrified Palm is a gem material found in Oligocene age rocks of the U.S. Gulf Coast.

Understanding Past Climate and Ecosystems West Coast Fossil Park, South Africa.

Jet is a black organic gem material that forms from well-preserved woody material.

Turritella Agate is a brown agate containing snail fossils from the Green River Formation.

Geology Tools - Hammers, field bags, hand lenses, maps, hardness picks, gold pans.

Tucson Mineral Show Photos A visit to the Tucson Gem, Mineral and Fossil Show.

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