U.S. Magnesium has announced a decision to halt plant operations at its Skull Valley facility near the south shore of the Great Salt Lake in Tooele County. The company said the move, driven by a sharp decline in lithium carbonate prices, has resulted in the layoff of 186 workers.

The company cited “deteriorating market conditions” as the primary reason for the shutdown. Lithium carbonate prices have plummeted by a staggering 90 percent since 2022, severely impacting the economic viability of the operation. The layoff notice, filed with the Utah Department of Workforce Services, detailed a wide range of positions affected, from top-level executives to Please log in to see the rest of this story.