Final Technical Report January 31, 2012 For USGS MRERP Grant Award number G10AP00052, $30,000, 1/1/2010-12/31/2010 Footprints of porphyry Cu deposits: Vectors to the hydrothermal center using mineral mapping and lithogeochemistry By the Principal Investigator, John H. Dilles Professor of Geology College of Earth, Ocean, and Atmospheric Sciences 104 CEOAS Admin Bldg Oregon State University Corvallis OR 97331-5503 ph 541-737-1245; fax 541-737-1200 [email protected]