Key Data:
Location
Balmertown, Ontario, Canada
Ownership
Goldcorp Inc. (100%)
Geology type
Archaean volcanic tholeiitic volcanic complex
Mineral type
Gold with arsenopyrite, pyrite, pyrrhotite and silver
Reserve base
5.5Mt grading 8.2g/t, containing 1.45Moz Au (proven and probable, 2005)
Annual production
209,200oz Au (2005)
Mining method
Underground shrinkage stoping, mechanised cut-and-fill and longhole mining, including sub-level and crown pillar operations
Processing method
Crushing, grinding, cyclones, Knelson concentrators giving free gold and sulphides, gravity separation, flotation, CIP and CIL recovery and refining
Key equipment
Knelson concentrators