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.

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