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Geologic Time Online Edition
This tutorial will help students learn and understand the concepts of geologic time and the age of the Earth. They will investigate the geologic time scale and learn about the use of index fossils and radiometric dating to determine the age of rock formations and fossils.
Intended for grade levels:
  • High (9-12)
  • College (13-14)
  • College (15-16)
  • General public
Type of resource:
  • Text:
    • Ref. material
    • Book
Subject:
  • Geological Sciences:
    • Geologic time
    • Geology
    • Paleontology
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
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DLESE Catalog ID: NASA-Edmall-626
Resource contact / Creator / Publisher:
Contributor: United States Geological Survey