Steve Ludington

Steve is a Geologist Emeritus at Geology, Minerals, Energy, and Geophysics Science Center in Menlo Park, CA. He is a graduate of Stanford University (B.S.) and the University of Colorado (M.S. and Ph.D.). He joined the USGS in 1974 and retired from full-time work in 2012. His skills are in petrology, volcanology, mineral deposit controls, and mineral-resource assessment.