Cuba Shuts Largest Zinc-Lead Mine Citing External Causes; US Sanctions Loom

Cuba's Castellanos mine in Pinar del Río, operated by US-sanctioned Geominera, has closed due to 'external causes,' likely US sanctions restricting equipment, financing, or logistics. The closure removes a key source of zinc and lead, potentially tightening global supply of these metals. Uncertainty remains over the exact cause and duration of the shutdown.

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