Locksley Resources has reported successful initial diamond drilling results at its El Campo prospect within the Mojave Project in California. The assay data confirms high-grade, neodymium and praseodymium (NdPr)-enriched light rare earth element (REE) mineralisation. Located just 5.5km from MP Materials’ Mountain Pass Mine, the site is emerging as a significant area of interest for domestic rare earth exploration.
Drilling Results and Geological Significance
The drilling programme yielded notable intercepts, with drill-hole ECDD0002 recording a peak value of 6.03% total rare earth oxide (TREO) over 0.7m, and a broader intersection of 7.20m at 2.93% TREO. Magnet rare earth oxides—neodymium and praseodymium—represent approximately 25% of the TREO in these key intercepts. These elements are essential for the production of permanent magnets used in electric vehicles and wind turbines.
Geologically, the findings suggest the potential for a larger carbonatite system at depth, effectively mirroring the mineralisation style of the nearby Mountain Pass mine. Furthermore, the mineralisation remains open at depth and along strike, thereby providing a clear pathway for further exploration. Additionally, the company recently confirmed antimony mineralisation at its separate Desert Antimony Mine within the same project; consequently, recent drilling efforts there intercepted values reaching 6.44% antimony.
Advancing Exploration Strategy
Following these positive results, Locksley Resources is shifting its focus toward regional targeting and infrastructure assessment. The company plans to integrate new radiometric data with upcoming high-resolution ground scintillometer surveys across the permit footprint. This work aims to refine the lithostructural controls on the mineralisation and define future drilling targets.
For the domestic U.S. supply chain, the confirmation of additional REE mineralisation in the Mojave region is a positive development. As the U.S. looks to reduce reliance on foreign supply for critical minerals, identifying potential high-grade deposits near existing infrastructure like Mountain Pass remains a key priority for developers and investors alike.
Market Impact
○ Impacted Metals: Neodymium, Praseodymium, Antimony, Stibnite
○ Direction: Bullish
○ Time Horizon: Medium-term
○ Affected Industries: Electric Vehicles, Renewable Energy, Permanent Magnets, Aerospace, Defense
○ Related Price Reports: Rare Earth Weekly Price Report
○ Watch Item: Monitor future follow-up drill results and resource definition reports to determine the economic viability and scale of the El Campo carbonatite system.
SuperMetalPrice Commentary:
The discovery of high-grade NdPr mineralisation in close proximity to the only operational rare earth mine in the U.S. validates the geological prospectivity of the California Mojave region. While early-stage drilling is a far cry from a commissioned mine, the presence of magnet-grade REEs in a carbonatite system provides a clear strategic target for junior explorers.
Investors should watch how the company transitions from successful exploration intercepts to a formal resource definition, as regional infrastructure and environmental permitting in California will be the ultimate hurdles for any potential domestic project development.
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