Petrified Wood is a fossil that forms when dissolved material precipitates and replaces wood.
||What is Peanut Wood?
Peanut Wood is a type of fossil wood found in Australia. Do you know how it forms?
Ammolite is a fossil and a gemstone. It is shell material from fossil ammonites.
||The Oldest Animals?
The Oldest Animal Fossils? Possibly the oldest animals ever discovered. 650 MYO.
Turritella Agate is a brown agate containing snail fossils from the Green River Formation.
||A Close Look at Coal
Coal Through a Microscope: Coal is more than a black rock. It is THE most interesting rock.
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.
Australopithecus sediba: A new hominid species discovered in South Africa.
Fossilization Mystery: 1/2 billion years ago these creatures were preserved with incredible detail.
Ordovician Fossil Discovery: The oldest soft-bodied fossils found in Ordovician rocks.
Some Dinosaurs Hunted at Night: Scleral ring studies reveal that some were active at night.
|The Oldest Dinosaur?
Asilisaurus kongwe: A new discovery challenges the age of the oldest dinosaur.
||Largest Land Mammals
Largest Land Mammals: The extinction of dinosaurs allowed mammals to grow much larger.
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.
|Largest Bone Deposit
Largest Bone Deposit: Was it a marine killing field? Or, the site of a sudden die off?
What Are Stromatolites? Learn all about them. Do they exist in the sedimentary rocks of Mars?
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.
|Climate & Ecosystems
Understanding Past Climate and Ecosystems: West Coast Fossil Park, South Africa.