Beecher Lithium and Rubidium Project
Sector: Mining • Location: Custer, South Dakota, United States
Source: The Australian
IRIS Metals has unveiled an updated mineral resource estimate (MRE) for its fully permitted Beecher lithium and rubidium project in the Black Hills of South Dakota. The update highlights a newly defined high-grade rubidium component, making Beecher one of the most significant rubidium deposits in the US. The project includes three mineralised spodumene-bearing pegmatite deposits and aims to contri
- Status
- Prospective
- Sector
- Mining
- Location
- Custer, South Dakota, United States of America
- Updated
- 22 Jul 2026
- Source
- The Australian
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Project Information
Participants
| Not available for this record. |
Status
Original status | fully permitted |
Taiyo status | Prospective |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | IRIS Metals has unveiled an updated mineral resource estimate (MRE) for its fully permitted Beecher lithium and rubidium project in the Black Hills of South Dakota. The update highlights a newly defined high-grade rubidium component, making Beecher one of the most significant rubidium deposits in the US. The project includes three mineralised spodumene-bearing pegmatite deposits and aims to contribute to domestic supply of critical minerals lithium and rubidium. |
Original sector | Mining |
Location
Country | United States of America (USA) |
State | South Dakota |
City | Custer |
Source
Source | The Australian |
URL |
More Details
Record type | Project |
Article published date | 2026-05-01 |
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