Southeast Saskatchewan is positioning itself as Canada's next lithium heartland, according to the Estevan Mercury. The region sits atop the Duperow Formation, a brine-bearing aquifer roughly 2.4 kilometres underground that hosts some of the country's highest-grade lithium brines. A cluster of developers, including Prairie Lithium (ASX:PL9), is advancing direct lithium extraction projects that pull lithium from subsurface brine in hours rather than the months required by conventional evaporation ponds.

The article outlines why the southeast corner of the province is primed for national leadership: decades of oil and gas drilling expertise, established infrastructure around Estevan and Torquay, and supportive provincial policy for critical minerals. Prairie Lithium's project near Torquay, which is progressing toward first commercial production, features prominently in the region's push from exploration into actual lithium output.

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