Expansion of Ray mine completed.
ASARCO becomes a fully integrated
Modernization of El Paso smelter completed
Acquisition by Southern Peru Copper
Corporation of Ilo Refinery.
Underground operation at Mission mine
ASARCO and Coeur d’Alene Corp. form Silver
Valley Resources, Inc
ASARCO purchases an additional 10.7% interest
in SPCC, increasing holdings to 63%;
SPCC starts SX/EW facility at Toquepala.
New sulfuric acid plant started at
SPCCs Ilo smelter
ASARCO announces construction of a new
mining and SX/EW facility at Silver Bell mine.
Silver Bell solvent extraction/electrowinning
ASARCO sells shares in Grupo Mexico, S.A. de C.V.
for $323 million.
Expansion program started at SPCC’s Cuajone
mine; to increase mine’s production 50%.
ASARCO celebrates a century of operations as
American Smelting & Refining Company.
ASARCO suspends operations at El Paso, Texas
ASARCO closes its Black Cloud Mine in Colorado