Freeport-McMoRan declared force majeure on contracted supplies from its Grasberg Block Cave mine after a fatal mudflow accident on September 8. The incident resulted in the deaths of two employees and left five others missing.According to the company, approximately 800,000 metric tons of wet material entered the mine and spread rapidly across multiple levels, including the service level where development activities were underway.Freeport confirmed that production at Grasberg — the world’s second-largest co ...