California Mining News - Gold, Boron & Industrial Minerals
California has a legendary gold mining history and continues to produce gold, boron, rare earth elements, and industrial minerals. The state leads in boron production globally.
Key Minerals
Gold
Boron
Rare Earth Elements
Sand & Gravel
Lithium
Mining Facts
- Mountain Pass is the only US rare earth mine
- World's largest boron deposit at Boron
- Gold Rush history shapes California identity
- Salton Sea lithium potential under development
Major Mining Companies
Rio Tinto Boron
MP Materials
Equinox Gold
Notable Mines
Boron Mine
Mountain Pass Mine
Mesquite Mine