Field and laboratory studies of metallic ore systems with specific focus on epithermal systems including Carlin-type Au, carbonate-hosted mantos, skarns, porphyry Cu-Au/Mo, acid-sulfate (high-sulfidation) Au deposits, uranium in sandstone and granitic systems, and shale-hosted deposits of Cu-(Ag) and Au. Funding from NSF, DOE, ARO, and more than 30 Mining Companies.
Assistant to Associate Professor of Geology/Groundwater Geology at Oklahoma State University & Director of Colorado Field Camp (1966-1973); Associate to Professor of Economic Geology at Colorado State University & Director of Field Camp (1973-1995); Consulting Geologist to Mining/Exploration Companies in Latin America with experience in Argentina, Chile, Bolivia, & Mexico (1965-Present); Professor of Economic Geology, Mackay School of Mines (Now MSESE)(1997-Present). Consulting assignments in mineral exploration/mines of the Western Hemisphere (Alaska to Argentine-Chile), Australia, New Zealand, and Ireland. Mine Geologist at Black Cloud mine, Leadville, CO (1981). Advisor to >100 M.S. and Ph.D. candidates. Owner of Economic Geology Consulting, a Petrography Laboratory for the minerals and metallurgical industries (1986 to Present) based in Albuquerque, NM.