Moonlight-Superior consolidates the Moonlight, Superior, Engels, Lambs Ridge and Copper Mountain resource areas across a current 7,053-acre land package in Plumas County. US Copper controls unpatented claims and fee lands and holds a lease over 36 patented lode claims subject to annual payments, a purchase right and a capped 2% net smelter return royalty. Historic Superior and Engels mining produced more than 161 million pounds of copper with silver and gold credits from about 1915 to 1930. The December 2024 PEA models open-pit mining, flotation of sulphides and heap leaching of oxide-transition material.
- Country
- United States
- Commodity
- Cu
- Stage
- PEA