08:53 AM EDT, 07/07/2025 (MT Newswires) -- Thunder Mountain Gold ( THMG ) on Monday said that field work for the 2025 Exploration season has begun at its flagship South Mountain Mine project in Owyhee County, Idaho.

This phase of fieldwork includes comprehensive surface mapping and chip-channel sampling, draped magnetic and magnetotelluric surveys, ground truthing and follow-up on historical IP/geochemical anomalies, and georeferencing historic data from Anaconda Mining and others into the model.

The company said following the completion of this phase of field program, it plans to interpret the data and generate drill targets for fourth quarter drilling. It added that permitting for drilling is in progress.

"The 2025 exploration program at South Mountain highlights our clear focus on moving the project toward drilling and resource expansion," said Thunder Mountain Gold ( THMG ) Chief Executive Eric T. Jones. "Field work now sets the stage for what we believe could be a pivotal phase in South Mountain's development."