Cesium Mining News in Ontario

Power Metals Corp
Power Metals Corp
PWM
Ontario, Canada

Rising aerospace, defence and energy demand reshapes global cesium market

Power Metals Corp provided a corporate update highlighting the strategic importance of its Case Lake project in Ontario amidst rising global cesium demand from aerospace, defence, and energy sectors. The company notes strong inbound interest for potential offtake and emphasizes the project's high-grade potential, including pollucite lenses up to 26% cesium.

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Grid Metals Corp.
Grid Metals Corp.
GRDM
Ontario

Grid Metals Reports Final Assays from its 2025 Drill Program at Falcon West Including 20.45% Cs20 over 3.3m; Announces Participation at PDAC

Grid Metals has announced final assays from its 2025 Phase 1 drill program at the Falcon West cesium property, highlighted by an exceptional intercept of 20.45% Cs2O over 3.35m, including 2.35m at 28.39% Cs2O, from the Lucy South LCT pegmatite. The company also reported significant lithium and rubidium grades, confirming the polymetallic nature of the deposit. With the Phase 1 program complete, a Phase 2 program is underway, and an initial cesium resource estimate is expected in Q3 2026. Grid Metals will also participate in the upcoming PDAC convention.

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Power Metals Corp
Power Metals Corp
PWM
Ontario, Canada

A NEW STRATEGIC CHAPTER BEGINS AS ALBEMARLE PARTNERSHIP CLEARS THE PATH TO CASE LAKE PRODUCTION

Power Metals Corp has entered a strategic partnership with Albemarle, securing up to C$5 million in non-dilutive funding and an offtake agreement for the Case Lake Project. The company reports strong progress in permitting, community engagement with the Apitipi Anicinapek Nation, and technical validation of a simple cesium processing flowsheet.

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Power Metals Corp
Power Metals Corp
PWM
Ontario, Canada
Metallurgical Results

FINAL CESIUM TEST WORK SUCCESSFULLY COMPLETED AT CASE LAKE

Power Metals Corp has successfully completed final metallurgical test work for its Case Lake Cesium Project, achieving outstanding cesium extraction rates of 97% and producing technical grade cesium formate and cesium chloride with purities of 99.8% and 99.6% respectively. This milestone confirms the project's viability to produce industry-standard cesium chemicals and significantly de-risks the asset, positioning the company as a potential near-term producer of critical minerals.

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Power Metals Corp
Power Metals Corp
PWM
northeastern Ontario

MAIDEN MINERAL RESOURCE ESTIMATE CONFIRMS CASE LAKE AS THE WORLD'S FOURTH LARGEST CESIUM RESOURCE

Power Metals Corp has announced a maiden NI 43-101 compliant Inferred Mineral Resource Estimate for the Case Lake Cesium Project in Ontario. The estimate comprises 13,000 tonnes at 2.40% Cs2O, positioning the project as a significant global hard-rock cesium resource.

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Power Metals Corp
Power Metals Corp
PWM
northeastern Ontario

POWER METALS PRODUCES HIGH-GRADE CONCENTRATE UP TO 18.57% CESIUM OXIDE FROM PHASE II BULK ORE SORTING AND PROVIDES CORPORATE UPDATE

Power Metals Corp announced the successful completion of its Phase II ore sorting test work at its 100%-owned Case Lake Project in Ontario, Canada. The company produced a high-grade cesium oxide concentrate up to 18.57% Cs2O, validating a cost-effective process for bulk cesium concentrate production. The results also indicate potential for additional income streams from high-grade spodumene and tantalum, positioning the company to meet critical mineral demand.

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Power Metals Corp
Power Metals Corp
PWM
northeastern Ontario
Drill Results

POWER METALS DELIVERS MORE HIGH-GRADE CESIUM AND TANTALUM RESULTS FROM CASE LAKE

Power Metals Corp announced high-grade cesium, tantalum, and lithium drill results from the final assays of its Phase III drill program at the Case Lake Project in northeastern Ontario. The results, including intercepts up to 22.70% Cs₂O and 6,211ppm Ta, confirm consistent multi-element mineralization at shallow depths. These findings will contribute to the development of a maiden Mineral Resource Estimate for the project.

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Power Metals Corp
Power Metals Corp
PWM
northeastern Ontario

POWER METALS PROVIDES EXPLORATION UPDATE FROM ITS FLAGSHIP CASE LAKE PROJECT

Power Metals Corp provided an exploration update for its Case Lake Project, noting that Phase III drilling is progressing with visual intercepts of high-grade cesium. The company is also commencing Phase II ore sorting test work in Germany and advancing environmental baseline studies.

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Power Metals Corp
Power Metals Corp
PWM
northeastern Ontario

POWER METALS TEST WORK PRODUCES HIGH-GRADE CESIUM CONCENTRATE OF 19.97%

Power Metals Corp announced successful Phase I X-ray transmission (XRT) ore sorting results from its Case Lake Project, producing a high-grade cesium concentrate of up to 23.50% Cs₂O, with a combined average of 19.97% Cs₂O from key samples. The company also reported final Phase II drilling assays, which continue to show high-grade cesium, lithium, and tantalum mineralization, including an intercept of 3.00m at 10.61% Cs₂O. These results are seen as a significant milestone, confirming the project's world-class potential and advancing it towards a Maiden Resource Estimate.

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