Mountain Pass hydrochloric acid facilities development and recommissioning
the Mountain Pass Rare Earth Mine and Processing Facility located near Mountain Pass, San Bernardino County, California
prj-us-mp-mountain-pass-hcl-facilities
What does the record establish?
Enabling infrastructure within the wider MP funding package. It is deliberately left without a tracked material or supply-chain stage rather than treating hydrochloric acid infrastructure as a rare-earth project.
Financial standing
No directly attributable financial instrument is recorded. A commitment, a payment and a project cost remain separate.
Inspect instruments and termsLegal and policy context
1 parent policy records; 0 project designations. Designation confers standing, not finance. Material and stage overlaps with controls do not establish a restriction on this project.
Read the policy recordsIndustrial evidence
No source-reviewed project milestone is published in this corpus. Financing records may still contain attributed activity reports; this gap does not establish inactivity.
See evidence gapsFinancial evidence and chronology
Each instrument keeps its own financial history. These dates describe financial states, not construction or production. Amounts are the current recorded terms, not historical amounts at every date below.
No directly attributable financial instruments are recorded. Shared packages, if any, appear separately below.
Capital stack
One layer per value role. Only committed public money, and joint-vehicle money apart from it, is summed, per currency; everything else is listed. There is no total across layers.
No financial row is attributable to this project yet.
Source-reviewed industrial observations
No source-reviewed project milestone is published for this undertaking. Any financing-row activity reports below remain attributed observations, not independently reviewed project milestones. Missing evidence does not establish inactivity.
Policy context
These records directly parent the project's finance or designation entries. Their presence does not establish a causal effect on industrial activity.
10 Jul 2025 · Active
DoD–MP Materials public-private partnership for rare earth magnet supply
Department of Defense
MP Materials Corp. / U.S. Securities and Exchange Commission (EDGAR)U.S. Department of Defense, Office of Strategic CapitalMP MaterialsFortuneMP Materials Corp. / U.S. Securities and Exchange Commission (EDGAR)MP Materials Corp. / U.S. Securities and Exchange Commission (EDGAR)MP Materials Corp. / U.S. Securities and Exchange Commission (EDGAR)
Shared / unallocated financing
These rows explicitly support this project and at least one other project, but the source does not allocate the stated amount among them. They are shown for provenance and excluded from this project's capital stack, backers and co-investment.
Control clauses on the same materials and stages
Clauses whose covered items share a material and a supply-chain stage with this project, with their legal status on 3 Nov 2026. An overlap of items, not a finding that the project is affected.
No coded control clause covers items at this project's materials and stages.
Record
- Sponsors
- MP Materials Corp.Company
- Location
- the Mountain Pass Rare Earth Mine and Processing Facility located near Mountain Pass, San Bernardino County, CaliforniaUS
- Stages
- Not stated
- Materials
- Not stated
- Programmes
- None recorded
- Latest financing-row activity report
- No physical status recorded
What remains unknown
Gaps describe the available SMPT record. They do not establish that an activity did not occur.
- No project-native source-reviewed industrial milestone is published. Attributed activity in financing histories remains a separate evidence class; no exact milestone date or facility-wide conclusion is inferred.
- Historical amount review is incomplete. Current amounts cannot be read as a time series of earlier commitments.
- Shared financing is not allocated among the named projects and is excluded from this project's stack and backers.
- Structural links and shared materials do not demonstrate that a government measure caused an industrial outcome.
Evidence
Every project fact names the source that states it.
MP Materials Corp., Form 8-K (Transaction Agreement with the Department of Defense)
MP Materials Corp. / U.S. Securities and Exchange Commission (EDGAR)
- Fields supported
- Name · Sponsors · Location
- Evidence level
- Explicit
- Location in document
- Item 1.01, Transaction Agreement definitions and Facility Improvements
- Qualification
- The filing identifies development, construction and/or recommissioning of hydrochloric acid facilities at the Mountain Pass Facility as one Facility Improvement. No tracked strategic material or supply-chain stage is assigned to the reagent infrastructure itself.
| Source | Fields supported | Evidence level | Location |
|---|---|---|---|
| MP Materials Corp., Form 8-K (Transaction Agreement with the Department of Defense) MP Materials Corp. / U.S. Securities and Exchange Commission (EDGAR) · Source dossier |
| Explicit The filing identifies development, construction and/or recommissioning of hydrochloric acid facilities at the Mountain Pass Facility as one Facility Improvement. No tracked strategic material or supply-chain stage is assigned to the reagent infrastructure itself. | Item 1.01, Transaction Agreement definitions and Facility Improvements |
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