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Radioactive Decay and Absolute Age Determinations
This site provides access to a number of visual resources and supporting material illustrating the concept of radioactive decay and its central role in radiometric dating. Visualizations include diagrams, graphs, static illustrations and photos. Resources found on this site are suitable for use in lectures and classes and may also be used as the basis for labs or other activities.
Intended for grade levels:
  • High (9-12)
  • College (13-14)
  • College (15-16)
  • Graduate / Professional
Type of resource:
  • Visual:
    • Illustration - scientific
    • Photograph
    • Visualization - scientific
  • Text:
    • Abstract / Summary
  • Services:
    • Clearinghouse
  • Geological Sciences:
    • Geochemistry
    • Geologic time
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Reuse and dissemination of the material on this site for educational, noncommercial purposes is allowed as long as attribution is retained. To this end the material on this site is offered under a Creative Commons license found at:
DLESE Catalog ID: SERC-NAGT-000-000-000-747
Related resources:
This resource is part of
Resource contact / Creator / Publisher:
Editor: Dr Jeff P Crabaugh
Carleton College - Science Education Resource Center, University of Wyoming