CRITICAL MINERAL COMPANIES · RESEARCH
Silver companies & projects in California
Electrical contacts, electronics, solar applications and industrial materials. Explore 7 documented silver assets in California, their companies, source classifications and related regional opportunities.
Asset counts by province / state · select a region
Canada’s mapped coordinates come from NRCan’s 2025 inventory. U.S. assets are mapped by state using USGS’s June 2026 release. Asset counts describe directory coverage.
MINERAL EXPOSURE
California at a glance
SUPPLY-CHAIN ACTIVITIES
Where assets fit
One asset can report several minerals. An organization may participate in multiple assets. Activity grouping describes the source record, and does not confirm current production, commercial availability or investment readiness.
GLOBAL SUPPLY CONTEXT · 2025 ESTIMATES
Silver: production & import dependence
Production and import figures follow the commodity definitions in the source table. USGS Mineral Commodity Summaries 2026, Table 7 ↗. These global estimates are separate from this directory’s asset counts.
THE ASSET INVENTORY
Projects, mines & facilities
| Project / facility | Minerals | Region | Source classification |
|---|---|---|---|
| Blue Moon Mine ↗Blue Moon Metals Inc. | Copper · Silver · Zinc | CaliforniaUnited States | MineIn development · 2026-06-29 |
| Castle Mountain Mine ↗Equinox Gold Corp. | Silver | CaliforniaUnited States | Mines and QuarriesAssumed active · 2026-06-29 |
| Castle Mountain Plant ↗Equinox Gold Corp. | Silver | CaliforniaUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Mesquite Mine ↗Equinox Gold Corp. | Silver | CaliforniaUnited States | MineAssumed active · 2026-06-29 |
| Mesquite Processing Facility ↗Equinox Gold Corp. | Silver | CaliforniaUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Soledad Mountain Mine ↗Andean Precious Metals Corp. | Silver | CaliforniaUnited States | Mines and QuarriesAssumed active · 2026-06-29 |
| Soledad Mountain Plant ↗Andean Precious Metals Corp. | Silver | CaliforniaUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
CORPORATE FOOTPRINT
Companies & operators
CONTINUE YOUR RESEARCH
Mineral sectors in California
Research sources
- U.S. Geological Survey — U.S. facilities, June 2026 ↗Inventory: 2026-06-29 · Checked 2026-09-10
Each asset profile includes its source references and dates. Read the coverage, data licences and review methodology ↗.