Peter J. Thomas, Salt Lake City, manager of metals marketing for BP Minerals America, the company operating Kennecott Utah Copper, has been elected chairman of the American Copper Council for a two-year term. Thomas has served as ACC president.

Succeeding Thomas as president during the council's annual meeting in New York City was Bernard C. Schilberg, vice president of Schilberg Integrated Metals, Willimantic, Conn.