Locksley Resources advances geological understanding at Mojave Project following LiDAR survey

Locksley Resources Limited (ASX: LKY, OTCQX: LKYRF, FSE: X5L) has completed a high resolution LiDAR survey at the historic Desert Antimony Mine within the Mojave Project in California.

The survey provides a clearer view of the underground workings than previously available through historic information alone and has delivered structural detail that will now support geological modelling and development planning.

Kerrie Matthews, Managing Director and Chief Executive Officer, explains how this new dataset informs the technical and strategic progression of the project.

What did the LiDAR survey confirm about the underground workings?

“The LiDAR survey confirmed approximately 236 metres of underground development at the Desert Antimony Mine, extending across four distinct levels and spanning a strike length of about 130 metres.”

This work has provided a clear understanding of the extent and layout of the historic development, including the position of three quartz carbonate stibnite veins that were previously mined through open stopes.

Having a detailed three dimensional representation allows the project team to link the underground workings directly to known historical production areas and supports more accurate planning for future drilling and evaluation activities.

How will this LiDAR data be used next in the project?

“The LiDAR data is being incorporated into an updated three dimensional geological model which will support the preparation of a JORC exploration target.”

Alongside this modelling work, a detailed geological mapping program of the underground workings is scheduled to begin in November and this will allow direct observation of vein geometry and mineralisation characteristics.

Ground conditions will also be assessed to determine whether safe access can be established for targeted underground sampling and grade verification.

These steps form a sequenced technical approach that ensures drilling and further planning are based on verified field data.

Why is this survey an important step for the broader strategy in the United States?

“The United States currently has a supply deficit of antimony production, yet antimony remains important in defence, semiconductors and metal alloy applications.”

By improving geological knowledge at the Desert Antimony Mine, the project advances work that may contribute to addressing this supply gap.

The dataset also strengthens the company’s engagement with strategic US funding pathways, including initiatives that aim to rebuild domestic capacity in critical minerals.

The LiDAR survey therefore connects technical project development with national supply chain priorities.

What does this mean for future drilling at the Desert Antimony Mine?

The structural clarity gained from the LiDAR survey allows drill hole locations to be planned with greater accuracy, as targeting can be aligned directly to known mineralised zones.

Understanding the historical mining layout also provides insight into how future drilling and redevelopment studies can be sequenced and this reduces uncertainty and supports more efficient evaluation of the project’s potential.

How does the Mojave Project fit within the broader US critical minerals landscape?

“The Mojave Project comprises more than 491 claims in the Mojave Desert region of California and includes exploration targets for both antimony and rare earth elements.”

The Desert Antimony Mine is situated in a region of recognised geological significance.

The project’s North Block shares a boundary with claims held by MP Materials, while the El Campo Prospect lies along strike from the Mountain Pass Mine and is surrounded by MP Materials claims.

This positioning situates the project within a broader mineral system currently relevant to US strategic supply chain priorities.

Advancing the technical foundation

Locksley Resources considers the completion of the LiDAR survey to be a key step in building the technical framework required to evaluate the redevelopment potential of the Desert Antimony Mine.

With geological modelling, underground mapping, access assessments and targeted sampling forming the next stage of work, the project is progressing through a methodical and data-supported pathway.

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