and;
Mineral;
Resources;
Division,;
Department;
of;
Business;
Administration,;
Chinalco;
China;
Copper;
Corporation;
Limited,;
Beijing;
100082,;
China;
of;
Mining;
and;
Materials;
Engineering,;
McGill;
University,;
Montreal,;
QC,;
H3A;
OC5,;
Canada;