Fossils, Geologic Time and Evolution
What Are Fossils?
Fossils are precious gifts from the geologic past.
Fossils are precious gifts from the geologic past.
The About Geology Fossil Gallery
A select set of fossil pictures from your Guide.
A select set of fossil pictures from your Guide.
Official State Fossils and Dinosaurs
Of the 50 states, 38 have official state fossils or state dinosaurs (or both).
Of the 50 states, 38 have official state fossils or state dinosaurs (or both).
Looking Back Through Lagerstatten
The world's most spectacular fossil sites preserve microbes and other fantastic details of prehistoric life.
The world's most spectacular fossil sites preserve microbes and other fantastic details of prehistoric life.
Geologic Time Scale
Start with the eons and eras, then work your way down to the periods and epochs.
Start with the eons and eras, then work your way down to the periods and epochs.
Mapping Deep Time: About Geologic Time Periods
How, and why, we keep track of geologic time without using clocks or numbers.
How, and why, we keep track of geologic time without using clocks or numbers.
Measuring Deep Time: About Isotopic Dating
Explaining the isotopic dating method in terms of your backyard barbecue.
Explaining the isotopic dating method in terms of your backyard barbecue.
A Brief History of the Precambrian
Four billion years condensed into two pages.
Four billion years condensed into two pages.
Geo-Quiz 6: Fossils
Can you ace this millionaire-type quiz? Maybe the high stakes would leave you . . . petrified.
Can you ace this millionaire-type quiz? Maybe the high stakes would leave you . . . petrified.
Fossils at an Exhibition
These aren't your father's museums: an article by your Guide introducing the new breed of online paleontology exhibits.
These aren't your father's museums: an article by your Guide introducing the new breed of online paleontology exhibits.
What Is Petrification?
It's a special kind of fossilization.
It's a special kind of fossilization.
Ancient Remains
The actual bodies of dead (and living) things can last nearly forever.
The actual bodies of dead (and living) things can last nearly forever.
How Are Fossils Formed?
Doug Mann of fossil-facts-and-finds.com gives a kid-friendly explanation of this perennial question.
Doug Mann of fossil-facts-and-finds.com gives a kid-friendly explanation of this perennial question.