THE BUSINESS AT A GLANCE
Project & facility overview
Humboldt Mill is a mineral processing plant recorded in Michigan by the U.S. Geological Survey. Its June 2026 inventory associates this facility with cobalt, copper, nickel, platinum group metals and reports the status as assumed active. Products, named organizations and any reported annual capacity are shown separately so different commodity units are not combined.
- Mineral exposure
- Cobalt, Copper, Nickel, Platinum group metals
- Province / state
- Michigan
- Countries of assets
- United States
- Stage / facility type
- Mineral Processing Plant
- Source operating status
- Assumed active
- Inventory date
- 2026-06-29
- Source identifier
- USA0339
CORPORATE CONNECTIONS
Organizations behind this asset
| Organization | Source relationship | Reported interest | Source date |
|---|---|---|---|
| Talon Metals Corp. ↗ | Reported equity owner | 100% | 2026-06-29 ↗ |
NRCan combines operators and owners in one source field; no equity percentage is inferred. USGS interests retain the source’s date. A listed party may be a subsidiary, operator or joint-venture participant.
INDUSTRIAL DATA
Reported annual capacity
| Product / commodity | Annual capacity | Measurement basis | Source notes |
|---|---|---|---|
| CopperConcentrates | 20,000 metric tons / year | Cu contentInventory: 2026-06-29 | No additional note suppliedSource capacity reference: U540 |
| CobaltConcentrates | 400 metric tons / year | Co contentInventory: 2026-06-29 | No additional note suppliedSource capacity reference: U541 |
| GoldConcentrates | 0.1 metric tons / year | Au contentInventory: 2026-06-29 | No additional note suppliedSource capacity reference: U542 |
| PalladiumConcentrates | 0.17 metric tons / year | Pd contentInventory: 2026-06-29 | No additional note suppliedSource capacity reference: U543 |
| PlatinumConcentrates | 0.25 metric tons / year | Pt contentInventory: 2026-06-29 | No additional note suppliedSource capacity reference: U544 |
| NickelConcentrates | 17,000 metric tons / year | Ni contentInventory: 2026-06-29 | No additional note suppliedSource capacity reference: U545 |
Nameplate or reported capacity is not actual production, utilization, inventory available for sale, or a resource estimate. Capacity can be shared across facilities or products. Different units and shared values must not be summed.
GEOGRAPHIC CONTEXT
Humboldt Mill: location
Champion, MI
Asset counts by province / state · select a region
This source provides regional location information. No precise facility coordinates are inferred.
TRACEABLE INFORMATION
Sources & record dates
Government inventory classifications retain their original dates and uncertainty. “Assumed active” is the USGS source classification, not a newly verified operating status. Confirm current ownership, production, personnel and project status in the original disclosures.