TY - RPRT TI - Ages and trace element fertility of porphyry-related mineralization in the Philipsburg polymetallic district, Montana, with a comparison to Butte AU - Celine M.E. Beaucamp AU - Chris Gammons AU - Jay M. Thompson AU - Holly J. Stein PY - 2025 UR - https://pubs.usgs.gov/publication/70266182 ID - 70266182 ER -