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Independent Analysis Supports Hydraulic Borehole Mining Method Applicability for Bonnie Claire Lithium Project
Independent Validation of HBHM Method Confirms PEA Assumptions but Capital Gap Remains Critical
Executive Summary
- Nevada Lithium released independent technical due diligence by WSP UK Limited regarding Hydraulic Borehole Mining (HBHM) at the Bonnie Claire project.
- Assessment confirms HBHM is viable for deeper mineralized zones, validating the mining method assumed in the August 2025 Preliminary Economic Assessment (PEA).
- WSP recommends bench-scale testing and modeling suffice for the upcoming Preliminary Feasibility Study (PFS), deferring costly field testing until the Feasibility Study stage.
- This recommendation is expected to significantly reduce PFS completion costs compared to initial expectations.
- Alternative mining methods (block caving, sub-level caving) will be evaluated in trade-off studies during the PFS process.
- The news follows a Winter Work Program announced in December 2025 which specifically included HBHM technical due diligence as a core deliverable.
Material Impact
- Expectation vs. Reality: The market was aware of the planned HBHM due diligence from the December 2025 announcement; therefore, this result is largely expected rather than unexpected.
- Economic Impact: While cost savings on PFS testing are positive, they do not materially alter the project's $6.8 billion NPV or $2.1 billion capital requirement established in the August 2025 PEA.
- Risk Mitigation: Independent confirmation of HBHM viability reduces technical risk regarding the underground mining method, which is a key assumption for bankability. However, field testing remains required for the FS stage, leaving execution risk unresolved.
- Stock Reaction Context: The stock has declined from $0.23 (Oct 2025) to $0.12 (Apr 2026) despite multiple positive milestones (PEA, Critical Minerals List, REE discovery). This suggests the market is discounting execution risk and capital needs rather than technical feasibility alone.
- Classification: The news validates existing projections without introducing new revenue streams or financing certainty; it fits the definition of Routine - Positive as an incremental follow-up to a previously announced work program.
NVLH · Price
Company Overview
- Company: Nevada Lithium Resources Inc. (NVLH).
- Flagship Project: Bonnie Claire Lithium Project, 100% owned in Nye County, Nevada.
- Mineralization: High-grade lithium, boron, cesium, rubidium, and rare earth elements (REEs) hosted in a volcano-sedimentary deposit.
- Mining Method: Proposed underground Hydraulic Borehole Mining (HBHM) for the Lower Zone; conventional open-pit considered for Upper Zone.
- Resource Estimate: Effective March 31, 2025, Indicated resources of 275.85 Mt @ 1,800 ppm Li and Inferred resources of 1,561.06 Mt @ 1,800 ppm Li in the Lower Zone.
- PEA Highlights: $6.829 billion after-tax NPV (8% discount), 32.3% IRR, 2.8-year capital payback over a 61-year mine life.
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Mar 25, 2026 · 11:52