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Power Metals advances Canada cesium project targeting early 2027

The United States currently imports 100% of its required cesium, a mineral used in atomic clocks and defense-linked communications, adding urgency to projects like Power Metals' Ontario development.

Power Metals is moving forward with its Case Lake cesium project in northeastern Ontario, shifting the asset from discovery to development as it works through permitting toward early 2027 production, according to OilPrice.

OilPrice reports that the project sits in a region where cesium is scarce in commercially mined deposits, with many resources depleted, inactive, or controlled by Chinese interests.

The outlet says the timing is tied to wider efforts to secure critical mineral supply chains, as the U.S. imports 100% of its required cesium. The mineral is used in atomic clocks, GPS systems, aerospace solar technology, advanced communications networks, and high-tech defense equipment.

OilPrice adds that Case Lake has completed extensive drilling, established a maiden resource, and includes a high-grade cesium resource alongside lithium and tantalum mineralization.

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