**Offered as part of the 2026 Annual RMS-AAPG Annual Conference After visiting Montana Resources permitted copper and molybdenum mine and concentrator in the morning, we will turn to the Superfund cleanup of legacy mining from a perch overlooking the Berkeley Pit, the Continental Pit, the concentrator and the 700+ foot high Yankee Doodle Tailings impoundment…

**Offered as part of the 2026 Annual RMS-AAPG Annual Conference The Continental Pit field trip, scheduled for Tuesday, October 27 from 8:30 – 11:30 am, visits Montana Resources current mining operations. The mine area consists of a thick leached cap and overburden, 160 to 200 feet, draped over a massive copper-molybdenum orebody bounded on the…

**Offered as part of the 2026 Annual RMS-AAPG Annual Conference Field Trip Leader: Stuart Parker (MBMG), Steven E Boyer* *Co-author of field guide; not in attendance Field Trip Fee: $50 for professionals; $20 for students Field Trip departs from and returns to Montana Tech campus. Field Trip Highlights: The incredible exposures of folded and faulted…