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Geology: Internet Sources

Recommended Internet Sources

Here you will find some useful websites for this subject area. If you have suggestions for additional links, please contact your Subject Librarian!

Geologic Timescale
From the Geological Society of America
Pennsylvania Geologic Maps
Pennsylvania Department of Conservation and Natural Resources.
Mindat.org
Mindat.org is the largest mineral database and mineralogy reference website on the Internet. This site contains worldwide data on minerals, mineral collecting, mineral localities and other mineralogical information.

Bucknell Geology Resources

Research Guide to the Marcellus and Utica Shales
Created by Carnegie Mellon University
Geologic History of Pennsylvania
From the Pennsylvania Department of Conservation & Natural Resources

Important Organizations

United States Geological Survey
Government publications and reports on all aspects of geology.
Geological Society of America
GSA’s mission is to be a leader in advancing the geosciences, enhancing the professional growth of its members, and promoting the geosciences in the service to humankind and stewardship of the Earth.
American Geophysical Union