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geological landmarks and familiar rocks.
Dr. Tollo has taught at George Washington University since 1983. He is a field-based igneous petrologist (studies igneous rocks i and geochemist.
Dr. Tollo is also the lead editor of a forthcoming book on the ancient geology of the eastern United States to be published by the Geological Society < f America.
The book will include several chapters on the g logy of the Blue Ridge in Virginia.
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