TY - RPRT TI - Two-event lode-ore deposition at Butte, USA: 40Ar/39Ar and U-Pb documentation of Ag-Au-polymetallic lodes overprinted by younger stockwork Cu-Mo ores and penecontemporaneous Cu lodes AU - Karen Lund AU - Ryan J. McAleer AU - John N. Aleinikoff AU - Michael A. Cosca AU - Michael J. Kunk PY - 2018 DO - 10.1016/j.oregeorev.2018.05.018 UR - https://pubs.usgs.gov/publication/70200902 ID - 70200902 ER -