Petrified Wood is a fossil that forms when dissolved material precipitates and replaces wood.
||The Oldest Animals?
The Oldest Animal Fossils? Possibly the oldest animals ever discovered. 650 MYO.
Fossil Gems Many gems such as coral, amber, ammolite, and petrified wood are fossils.
||Green River Fossils
The Green River Formation is one of the most famous rock units in the world for its fossils.
Geology Tools - Hammers, field bags, hand lenses, maps, hardness picks, gold pans.
Fossilization Mystery - 1/2 billion years ago some creatures were preserved in great detail.
||Largest Land Mammals
Largest Land Mammals The extinction of dinosaurs allowed mammals to grow much larger.
Australopithecus sediba A new hominid species discovered in South Africa.
Ordovician Fossil Discovery The oldest soft-bodied fossils found in Ordovician rocks.
Ammolite is a fossil and a gemstone. It is shell material from fossil ammonites.
||Fossils and Beer
Fossils and Beer - Do you know which fossiliferous rock is used to make beer?
Fossil Kits Learn how to identify fossils and where they fit into the geologic time scale.
|Huge New Sauropod
Abydosaurus A new sauropod dinosaur. The closest known relative of Brachiosaurus.
||Climate & Ecosystems
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.
||A Close Look at Coal
Coal Through a Microscope Coal is more than a black rock. It is THE most interesting rock.
Petrified Palm is a gem material found in Oligocene age rocks of the U.S. Gulf Coast.
||Tucson Mineral Show
Tucson Mineral Show Photos A visit to the Tucson Gem, Mineral and Fossil Show.
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?