
Global copper markets were hit hard after Freeport-McMoRan Inc. declared force majeure at its Grasberg mine in Indonesia, the world’s second-largest copper operation.
A massive mud flow led to the deaths of two employees and left five missing, forcing the company to suspend deliveries.
The mine, which accounts for 3% of global copper output, has been a crucial supplier for industries dependent on the metal, from electronics to renewable energy.
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It's a copper mine, but it also produces around a couple hundred tons (~1% of global production) of silver annually (also gold, but I didn't catch how much).