San Xavier copper mine and leach plant
in Arizona started production
ASARCO Mexicana, S.A. reorganized as
Industrial Minera Mexico, S.A. and 15%
interest sold to Mexican investors reducing
equity to 34%.
Corporate name changed to ASARCO
Amarillo zinc refinery closed.
Amarillo copper refinery commenced
Southern Peru Copper Corporation opened
Cuajone copper mine.
Industrial Minera Mexico, S.A. (IMM) reorganized.
ASARCO owns 34% of Mexico Desarrollo Industrial
Minero, S.A., a holding company formed to
hold shares of IMM and shares of certain IMM
Modernization of El Paso Plant completed.
Eisenhower Mining Company, a partnership
of Anamax and ASARCO, began mining the
Palo Verde copper deposit located between
ASARCO’s Mission and San Xavier copper mines