Field Trip: Structure of Stillwater Complex Portion of Beartooth Mountains Front Laramide Triangle Zone

During this trip along the Beartooth Front, participants will observe:

          – Eleven repetitions of the Cambrian Wolsey Shale/Neoarchean;

          – Stillwater Complex on back-thrusts;

          – Lateral ramps (tear faults) in the Phanerozoic section;

          – Metal deposits (Pd/Pt, Cr, and Ni/Cu) in the Stillwater Complex;

          – Various geologic surprises encountered in subsurface mine development, including a visit to the “Bermuda Triangle” of structural intersections.

Trip will involve limited hiking, mostly visiting outcrops and road cuts on USFS 2414, Benbow Road.

Leader: Ennis Geraghty, Stillwater Mining Company, retired

Meeting Place: Meet at Town Pump (east side by Super 8) in Columbus, on Saturday, August 13th, 2022, 8:30 a.m.

Needs: Participants will use their own vehicles; 4-wheel drive required with decent clearance. Bring your own lunch.

Registration is required. To Register, please visit the online registration page here.