Fossils, Rocks, and Time
http://pubs.usgs.gov/gip/fossils/index.html

United States Geological Survey (USGS)


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.

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This resource originally cataloged at:

DLESE
This resource is referenced here:
Subject: Biology
Grade Level: High School (9-12), Middle (6-8)
Topics: Biosphere, Time/Earth History