Pumpkin Hollow Copper Mine Set to Reopen in Lyon County
Southwest Critical Minerals plans to restart operations at the Pumpkin Hollow copper mine, targeting approximately 228 million pounds of annual production. The mine, which has been closed since June 2024 following Nevada Copper's bankruptcy, has over $1 billion in infrastructure and is expected to significantly impact local employment and U.S. copper supply chains.

Southwest Critical Minerals, a subsidiary of Kinterra Capital Corp., aims to restart the Pumpkin Hollow copper mine in Lyon County, which has been closed since June 2024. The reopening follows Kinterra's acquisition of the site for $128 million in October 2024, which includes over $1 billion in existing infrastructure.
Initial production is projected at 228 million pounds of copper annually, contributing around 5-7% of U.S. demand. Financing includes $80 million from Lionhead and a potential $200 million from the Export-Import Bank of the United States, which will support both underground and open-pit operational advancements. A feasibility study is underway for open-pit mining, which is estimated to contain 3.6 billion pounds of copper, with a 20-year mine life.




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