WHAT'S INSIDE: GEOLOGY

Geology is the study of the composition and physical properties of rocks, minerals, gems and other related earth materials, including diamonds and crystals. Scientists gain an understanding of the Earth's history by studying its composition.
  • Geologic Processes
  • Geologic Time Scale
  • Minerals
  • Paleontology
FEATURED: GEOLOGY

Pliocene Epoch, the geologic epoch that began about 6,000,000 years ago and lasted about 4,000,000 years.

More To Explore
You Might Also Like
How did dinosaurs leave tracks in solid stone?

It's not a trick; before you are a number of reptilian footprints in the rock. They're dinosaur tracks, preserved for thousands of years. But how did they possibly get there?

Did dinosaurs have feathers?

Some people believe that dinosaurs were relatives of today's birds. But, you might ask, if that's so, why didn't they have feathers? Funny you should ask.

Don't Miss