Dr David P Gillikin (home)

Geo 120 Earth and Life Through Time

The Earth's dynamic history and evolutionary changes over the last 4.5 billion years. Includes the geologic evidence for the evolution of life, for major changes in the nature of Earth's atmosphere and oceans, and for major mountain building events that have affected the continents as well as the evolutionary development of plant and animal life as recorded in the geologic record. Specific topics include the geologic record of important events such as development of the atmosphere, emergence of life, extinction of the dinosaurs, and the ice ages.













Studying the Cambrian stromatolites at the Petrified Seagardens near Saratoga Springs.

Students at Kaaterskills Fall investigating rocks of the Devonian Catskill Delta.


Contact Information

David P. Gillikin, Ph.D.
Professor of Geology
Department of Geology
Union College
807 Union St
Schenectady, NY 12308

phone: 518-388-6679
email: gillikid@union.edu