Jim Greybeck is an exploration geologist with thirty-six years of experience in mineral exploration and development projects for precious and base-metal deposits throughout the western U.S. During his career, his geologic work has contributed to three gold mines with over one million ounces of production, including Dee Gold and Marigold (Nevada), and Barney’s Canyon (Utah).
He began his career with Bear Creek Mining Company, then in 1983, Greybeck was hired by John Livermore to join Cordex Exploration Company. He worked at Dee Gold, on the Carlin trend, and advanced to Senior Geologist for Cordex. He became Exploration Manager for Cordex Exploration’s (Rayrock Mines) Daisy Gold Project near Beatty, Nevada where he was involved in the permitting, development, feasibility and engineering that led to production from three open-pit mines.
In 1999, after Rayrock’s acquisition by Glamis Gold, he contributed to the exploration program that defined satellite gold deposits at the Marigold Mine in Humboldt County, Nevada. From 2008 to 2016, Greybeck worked as consulting geologist, for Cordex, where he managed the Bolo Project in Nye County, Nevada and contributed to the advancement of the Eastside Project, Esmeralda County, Nevada.