World’s largest copper producer blaming lower recovery levels and ore grades at the Chuquicamata site, as it also deals with fatal accidents halting some construction works.
New research proposes the idea that hydraulic fracturing may decrease the magnitude of seismic events and microearthquakes at certain mining operations.
The Maria Reyna and Caballito properties consist of a large, contiguous block of mineral rights with potential to host mineral deposits close to the Constancia processing facilities.
Chile's environmental regulator issued a series of measures against the Ojos del Salado mine, alleging "over-extraction of material" could have caused the sinkhole.
Minas Gerais Secretary said proposal falls short of the required environmental and social compensation for a tailings dam collapse that killed 19 people and contaminated waterways in two states.