U.S. Geological Survey
Dr. Frederiksen received a B.A. in geology from Hamilton College, an M.S. in geology from Pennsylvania State University, and a Ph.D. in geology from the University of Wisconsin. At the M.S. and Ph.D. levels, he minored in botany. He became int
erested in geology while fulfilling science requirements in then specialized in palynology (the study of organic-walled microfossils, especially pollen grains in his case) in graduate school. He worked for Mobil Oil Company in Dallas form 1961-1969, on p
rojects involving age determinations of rocks from Texas and New Mexico, Nigeria, and Alaska. he then taught a variety of geology courses, including palynology, at San Diego State University from 1969 to 1975. Since then he has been at the U.S. Geologic
al Survey, specializing in age, paleoecological, and paleoclimatic determinations of rocks from the Atlantic and Gulf Coast Plains, the Midcontinent, California, Alaska, and Pakistan, including field work in these regions, which is one of the best parts o
f the job. He has been active in the American Association of Stratigraphic Palynologists, serving as president in 1987-1988.
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