Pan American Silver acquired Huarón from Hochschild in 2000 and reopened the mine in 2001 . Modern activity in the Animón mine started in the 1960s on extensions of veins kown in the Huarón mine. After the 1971 disaster at the Chungar Mine, Compañía Minera Chungar S.A.C. transferred its operations to Animón. In 2000, the mining company Volcan acquired Compañía Minera Chungar S.A.C. along with the Animón Mine. Subsequently Volcan opened the Islay mine