INDIVIDUAL FACILITIES AND SELECTED SOURCES
Below is basic information about individual facilities in our database and selected sources we've drawn on to support the analysis. To navigate to other sites, use the search page.

Mountain Pass Mine

MP Materials

Mountain Pass, CA, USA

-115.5316637, 35.4743679

The Big Green Machine Site ID: 809A

Project Timeline

Project Timeline Unavailable (Insufficient Information)

Additional Information:

Sector: EVs

Activity: Extraction

Product: Rare Earths

Project Announcement Date: 7/1/2017

Target for Starting Production: 2018

Date Commercial Production Started: 1/15/2018

Announced Post Inflation Reduction Act: No

Target Annual Production: 42500 tpa

Operating Status: Operating

Target Jobs: 400

Current Jobs: 400

Capital Investment: $20.5 million

Congressional District: CA23

Government Subsidies:

We currently have no government subsidies tracked for this site.

Selected Sources:

“MP Materials”, Wikimedia Foundation, Inc., 13 Oct 2025. 🔗

“MP Materials is America's rare earth magnetics champion”, MP Materials, MP Materials, No Date. 🔗

“California rare earths miner races to refine amid U.S.-China trade row”, Ernest Scheyder, Reuters, 24 Aug 2019. 🔗

Tracked Expansions, Acquisitions, or Related Sites:

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