Geologic Time Scale
Fossils - National Geographic
How do fossils form? - Australian Museum
Fossils - BGS
How are fossils formed? - University of Oxford
Geology Background
Geologic Time
Paleozoic Era
Mesozoic Era
Cenozoic Era
Principles of Relative Dating
Dating Rocks and Fossils using Geologic Methods
List of Radioactive Isotopes by Half Life
Identifying Fossils by Shape
Lagerstätte
National Audubon Society Field Guide to Fossils on Barnes and Noble