#### USING THE SMC TEST TO PREDICT COMMINUTION CIRCUIT PERFORMANCE

Tumbling mills eg AG SAG rod and ball mills Conventional reciprocating crushers eg jaw gyratory and cone HPGRs Tumbling mills are described using 2 indices M ia and M ib Crushers have one index M ic HPGRs have one index M ih For tumbling mills the 2 indices relate to coarse and fine ore properties plus an