UNXE238 Corp. Closes Deal Granting Noble Plains Uranium an Option to Earn 80% Interest in Wyoming’s Duck Creek Project
August 13, 2025
Over 4,000 Historic Drill Holes Outline a 3-Mile Uranium Trend in the Prolific Powder River Basin
August 13, 2025 El Paso ,Texas ; UNXE238 Corp. (the “Company” or the “Optionor”) is pleased to announce that it has entered into, and closed on, a property option agreement (the “Agreement”) with Noble Plains Uranium Corp. (“Noble Plains” or the “Optionee”), granting Noble Plains the right to acquire up to an 80% interest in the Duck Creek Project (“Duck Creek” or the “Project”), a strategically located brownfield uranium asset in Wyoming’s prolific Powder River Basin.
Under the Agreement, Noble Plains may earn its 80% interest over a three-year period by meeting certain commitments (see our press release of June 19 2025) Upon completion of the earn-in, UNXE238 will retain a 20% participating interest in the Project, benefiting from ongoing exploration and development success.
Key Highlights of the Duck Creek Uranium Project
- Prime Location & Substantial Land Package
o Encompasses 4,133 acres (6.5 square miles) of mineral rights.
o Strategically positioned near major uranium assets owned by Cameco, Uranium
Energy Corp., Global Uranium and Enrichment, and GTI Energy. - Robust Historical Exploration
o Over 4,000 historical drill holes completed.
o Defines a 3-mile-long zone of shallow, roll-front uranium mineralization. - Notable Historical Drill Results
o Highlights include:
o 8.9 feet at 0.75% U₃O₈
o 13.9 feet at 0.47% U₃O₈ - Evidence of Past Mining Activity
o Indicators of previous open-pit uranium mining along and beyond the
mineralized corridor. - Outstanding Exploration Upside
o The deeper Fort Union Formation remains largely unexplored, offering
significant discovery potential
Table 1 Duck Creek Uranium Project Exploration Target
Figure 1 – Regional Location Map
Location of the Duck Creek Project within Wyoming’s Powder River Basin. The map illustrates the UNXE238 Corp. property boundaries in relation to nearby ISR uranium projects, including Uranium Energy Corp. (UEC), Cameco Corporation, GUE, and GTI properties.
A National Instrument 43-101 (“NI 43-101”) Technical Report prepared for UNXE238 Corp. by independent WWC Engineering of Sheridan, Wyoming, dated July 23, 2025, and titled “NI 43-101 Technical Report Duck Creek Uranium Project”, indicates the Project potentially contains between 1.4 and 5.4 million pounds U₃O₈.
To read Complete National Instrument 43-101 (“NI 43-101”) Technical Report
Figure 2 – Historic Drilling & Production Map
Detailed view of the Duck Creek Project property boundary, historic drill holes and areas of historic uranium production. Green dots represent the over 4,000 historic drill holes defining a 3-mile-long mineralized trend. Cross-hatched areas indicate past open-pit production zones within the property outline.
Strategically Aligned Within a Leading U.S. ISR Uranium Corridor
Located in the heart of one of the most productive in-situ recovery (ISR) uranium districts in the United States, the Duck Creek Project is directly adjacent to high-value uranium assets and processing infrastructure owned by industry leaders such as Cameco Corporation, GTI Energy Limited, and Uranium Energy Corp. (UEC) (see Figure 1). This proximity positions Duck Creek for potential integration with UEC’s expanding regional operations, including access to processing capacity, shared infrastructure, and logistical efficiencies.
The project benefits from an extensive historical exploration database and hosts shallow roll- front uranium mineralization over a 3-mile trend, with strong potential for near-term resource definition and advancement.
Upside Potential of Duck Creek Project
Critically, the deeper Fort Union Formation largely untested in this area presents a major exploration upside. Known to host ISR-amenable uranium in the broader region, this formation represents a priority growth horizon that could significantly enhance the scale and strategic value of the project. With its favorable geology, proven uranium endowment, Duck Creek offers a rare opportunity to contribute meaningfully to the resurgence of domestic uranium production in the U.S
Regional Significance and Project Potential
Wyoming has produced more than 238 million pounds of uranium since the 1950s, with the Powder River Basin at the core of this production legacy. ISR mining is now the dominant extraction method in the region due to its faster permitting, lower surface disturbance, and cost efficiency attributes that align perfectly with Duck Creek’s shallow mineralization.
“By structuring this transaction with Noble Plains, we have ensured that Duck Creek will benefit from substantial exploration investment while UNXE238 retains significant ownership in a highly prospective project,” said Dr. Munazzam Ali Mahar Chairman of UNXE238 Corp. This partnership will accelerate development in one of North America’s premier ISR uranium districts.
Importantly, the Fort Union Formation, which underlies much of the project area, remains largely untested. This deeper sedimentary unit is known elsewhere in the region to host ISR- amenable uranium deposits and represents a high-potential exploration target that could significantly expand the resource base and future production potential at Duck Creek.
With near-surface ISR potential and the upside of the Fort Union Formation, Duck Creek is uniquely positioned to become a key contributor to the next generation of domestic uranium production in the U.S.
About UNXE238 Corp.
UNXE238 Corp. is an emerging uranium exploration company focused on high-value assets in North America. We are committed to sustainability and responsible resource development to support domestic uranium production and the clean energy transition.
Contact us
Munazzam Ali Mahar, PhD
Chairman UNXE238 Corp
📧 Email: info@unxe238corp.com | a.mahar@unxe238corp.com
🌐 Website: www.unxe238corp.com