Hermosa Mine Expansion
Sector: Energy Storage • Location: Patagonia, Arizona, United States
Source: Coyote Gulch
South32 proposes to re-open and expand the Hermosa Mine in southern Arizona to extract battery materials such as manganese and zinc, along with silver and lead. The project involves underground mining using the long-hole open stope method on about 442 surface acres and restricting access to about 578 acres of public lands in the Coronado National Forest.
- Status
- Prospective
- Sector
- Energy Storage
- Location
- Patagonia, Arizona, United States of America
- Updated
- 22 Jul 2026
- Source
- Coyote Gulch
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Project Information
Participants
| Not available for this record. |
Status
Original status | planned |
Taiyo status | Prospective |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | South32 proposes to re-open and expand the Hermosa Mine in southern Arizona to extract battery materials such as manganese and zinc, along with silver and lead. The project involves underground mining using the long-hole open stope method on about 442 surface acres and restricting access to about 578 acres of public lands in the Coronado National Forest. |
Original sector | Mining |
Location
Country | United States of America (USA) |
State | Arizona |
City | Patagonia |
Source
Source | Coyote Gulch |
URL |
More Details
Record type | Project |
Sector | Energy Storage |
Article published date | 2026-03-18 |
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