Pure Energy Minerals Achieves Major Milestone with Successful Lithium Brine Pumping Test in Nevada

April 29,2025

Overview of Pure Energy Minerals’ Clayton Valley South Project

Why Clayton Valley?

Clayton Valley, Nevada, is home to North America’s only producing lithium brine operation (Albemarle’s Silver Peak mine). The region’s geology is highly favorable for lithium extraction, with high-grade brine deposits trapped beneath the surface.

Pure Energy Minerals’ Clayton Valley South (CVS) project is strategically positioned adjacent to existing lithium operations, benefiting from:

Proven lithium-rich aquifers

Existing infrastructure (roads, power, water access)

Favorable regulatory environment for mining

The Importance of the CV-3 Pumping Test

The recently completed pumping test at drill hole CV-3 was designed to assess:

Brine flow rates

Lithium concentration stability

Aquifer characteristics (permeability, recharge rates)

This data is essential for designing a future extraction system and will be incorporated into the upcoming Preliminary Economic Assessment (PEA).

Key Details of the Pumping Test & Results

Test Methodology

The pumping test was conducted over 46 hours with the following setup:

Submersible pump installed in CV-3

Monitoring equipment in CV-3 and CV-1 (200m away)

Constant pumping rate: 69 gallons per minute (4.4 L/s)

Key Findings

Stable Brine Production: The test confirmed consistent lithium brine flow with minimal fluctuations.

High-Quality Brine: Samples showed steady conductivity and density, indicating uniform lithium concentration.

Hydrogeological Data Collected: Critical insights into aquifer behavior were obtained, helping optimize future wellfield design.

What This Means for Lithium Extraction

The success of this test suggests that:

Commercial-scale extraction is feasible

The brine aquifer is reliable for long-term production

Future PEA will have stronger technical backing

CEO Insights & Strategic Implications

Statement from Pure Energy’s CEO

Patrick Highsmith, CEO of Pure Energy Minerals, emphasized the importance of this milestone:

"This successful pumping test is another important milestone, advancing our exploration and development program toward the Preliminary Economic Assessment. Dr. Andy Robinson and the Montgomery team carefully designed and executed the pumping test, providing critical parameters for wellfield design. This work further demonstrates our team’s expertise and our commitment to creating value in Clayton Valley."

Next Steps for the Project

With the pumping test completed, Pure Energy Minerals will:

Incorporate data into the PEA (expected in the coming months)

Optimize wellfield design for future production

Continue exploration to expand the lithium resource estimate

Regulatory Compliance & Environmental Considerations

Permits & Legal Framework

The pumping test was conducted under:

Nevada’s Mineral Exploration Exemption

Permits from the Nevada Division of Water Resources & Environmental Protection

These permits allow:

Temporary brine extraction

Controlled surface discharge (ensuring no environmental harm)

Sustainable Lithium Extraction Approach

Pure Energy Minerals is committed to environmentally responsible lithium production, focusing on:

Minimal water usage (compared to hard-rock mining)

Low carbon footprint (brine extraction is less energy-intensive)

Compliance with Nevada’s strict environmental regulations

The Future of Lithium Production in Clayton Valley

Growing Demand for Domestic Lithium

With the U.S. pushing for lithium independence, projects like CVS are strategically important for:

Electric vehicle (EV) battery supply chains

Renewable energy storage solutions

Potential Economic Impact

If the PEA confirms strong economics, the CVS project could:

Create jobs in Nevada

Attract investment from battery manufacturers

Position Pure Energy as a key U.S. lithium supplier

Competitive Advantages of Pure Energy’s Project

Proximity to Albemarle’s existing operations (proves deposit viability)

Faster permitting process (Nevada is mining-friendly)

Scalable brine extraction technology

Conclusion: A Major Step Toward U.S. Lithium Independence

The successful pumping test at CV-3 is a major technical and strategic achievement for Pure Energy Minerals. It confirms the viability of lithium brine extraction at Clayton Valley South and sets the stage for the upcoming Preliminary Economic Assessment (PEA). As the world transitions to clean energy and electric vehicles, projects like CVS will play a critical role in securing a domestic lithium supply. With strong results from this test, Pure Energy Minerals is well-positioned to become a key player in North America’s lithium market. Investors, industry stakeholders, and clean energy advocates should keep a close eye on Pure Energy’s next steps as it advances toward lithium production in Nevada.

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Pure Energy Minerals Achieves Major Milestone with Successful Lithium Brine Pumping Test in Nevada

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