Copper Flat is a brownfield open-pit restart in the Hillsboro Mining District of Sierra County. The current private NMCC design replaces a conventional wet tailings facility with dry-stack tailings and is advancing permit design and owner-team recruitment before construction. The April 2020 NI 43-101 remains the latest published complete resource, reserve and economic statement pending a replacement study for the redesigned project.
- Country
- United States
- Commodity
- Cu
- Stage
- Feasibility