The company said mining continued at a reduced rate in the southern end of the pit, but the reduced level of mining activity required a change to the supervisory structure within KCGM's load and haul team.
"It is an unfortunate reality that this rock fall and subsequent safety precautions have impacted mining rates in the pit," KCGM general manager Cecile Thaxter said.
Consultation with the open pit crews continues and formal feedback on the impact to the crew numbers is expected next week.
"Affected employees have been offered assistance to find alternate work, as well as emotional support from our Employee Assistance Program," Thaxter said.
KCGM is yet to quantify the impact on production.
"Our experts continue working to progress a num...