R. Timothy Patterson, Ph.D., is a professor of geology, Department of Earth Sciences, Carleton University as well as Director of the Ottawa Geoscience Centre in Ottawa, Ontario, Canada. He is also a Senior Visiting Fellow in the School of Geography, Queen's University of Belfast, Northern Ireland. He holds a B.Sc. in Biology, B.A. in Geology, both from Dalhousie University, Halifax, … Wikipedia
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Dr. Tim Patterson, Professor of Geology, Carleton University, Ottawa, ON, Canada uses microfossils & geochemistry to study land use and climate change http-server.carleton.ca/~tpatters/