Smithsonian National Museum of Natural History Geologic Time The Story of a Changing Earth
Presented by the Department of Paleobiology.
Foundational Concepts
Foundational Concepts
Dating Methods
Relative Dating
Absolute Dating
Geologic Time
Earth Processes
Life Processes
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Relative Dating
University of California - how to teach relative time

Noller, J.S., Sowers, J. M., and W. R. Lettis, 2000. Quaternary Geology Methods and Applications. AGU Reference Shelf 4, American Geophysical Union, Washington DC.

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