Fossils and Geologic Time
Fossils are the remains or traces of ancient life. They tell us how the earth and its organisms have changed over the eons. This chapter includes discussions of the definition of fossil, methods of fossilization, important plant and animal fossils, fossils in Virginia, fossil collecting, and geologic time.
Main topics in this chapter:
3.1 Fossil Basics
3.3 Important Animal and Plant Fossils
3.5 Tips for Fossil Collecting
3.6 Geologic Time