# Mountain Pass Mine

Type: asset

Source: Climate Intelligence Brief — https://getclimatebrief.com/entity/mountain-pass-mine
Canonical HTML page: https://getclimatebrief.com/entity/mountain-pass-mine

## Timeline

- **2026-03-23**: Mine-to-Magnet Integration — MP Materials reaches full vertical integration, supplying finished magnets to the U.S. automotive market.
- **2023-12-01**: Refining Milestone — Commencement of commercial-scale separation of heavy rare earth elements at Mountain Pass.
- **2022-04-21**: Texas Magnet Factory Groundbreaking — Construction begins on the first fully integrated rare earth magnet facility in the U.S. in Fort Worth.
- **2020-11-18**: Public Listing — MP Materials begins trading on the NYSE following a SPAC merger, valuing the company at $1.5 billion.
- **2017-07-15**: Mountain Pass Acquisition — MP Materials acquires the Mountain Pass mine out of bankruptcy for $20.5 million.

## Recent coverage (1 stories)

### MP Materials Leads U.S. Push for Rare Earth Sovereignty
2026-03-23 14:32:47 · Sentiment: Positive · Impact: 7/10 · Sources: 2

MP Materials is spearheading the restoration of the American rare earth supply chain, transitioning from a raw ore exporter to a vertically integrated magnet manufacturer. This shift is critical for U.S. national security and the clean energy transition, aiming to break China's long-standing monopoly on the sector.
Full story: https://getclimatebrief.com/story/mp-materials-us-rare-earth-revival

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This page is a machine-readable summary. Sentiment measures the directional read of each development for this entity, not the tone of the reporting; impact weights consequence, not syndication reach. See https://getclimatebrief.com/guides/methodology for the full editorial methodology.