North Carolina Mines Essential for Semiconductor Manufacturing

Two mines in North Carolina, owned by Sibelco, are the world’s only sources of ultra-high-purity quartz, a critical component for semiconductor manufacturing. The quartz from these mines is used to make crucibles for refining silicon wafers, a key part of semiconductor chips. Sibelco is investing $700 million to expand capacity at these mines. If these mines were to cease operations, it could cause significant disruption in the semiconductor industry for several years. These mines are not only crucial to the global semiconductor industry but also to the solar photovoltaic markets.

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