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Fossils, Rocks, and Time
This on-line book, published by the United States Geological Survey (USGS), discusses the use of fossils in determining the age of rocks. The publication covers how to place events in correct temporal order, a description of the geologic time scale, the use of fossils to indicate rock ages, the law of fossil succession, index fossils, and radioactive dating.
Intended for grade levels:
  • Middle (6-8)
  • High (9-12)
Type of resource:
  • Visual:
    • Photograph
    • Visualization - scientific
  • Text:
    • Book
Subject:
  • Geological Sciences:
    • Geologic time
    • Geology
    • Paleontology
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Information presented on this website is considered public information and may be distributed or copied. Use of appropriate byline/photo/image credit is requested.
DLESE Catalog ID: DLESE-000-000-001-517
Resource contact / Creator / Publisher:
Publisher: United States Geological Survey (USGS)
Publications Warehouse
http://infotrek.er.usgs.gov/pubs/

Contact: Kathie Watson
United States Geological Survey (USGS)