Newcrest Mining has confirmed no injuries were sustained after a localised seismic event at its Cadia site near Orange last week, with all staff and personnel working in the area at the time reported to be safe and accounted for.
The seismic event occurred in the eastern end of a panel cave at approximately 4am last Friday morning, with staff and personnel accounted for and the area immediately evacuated, with investigations beginning afterward.
On Monday, Newcrest advised initial inspections showed only localised damage to roadways and ground support near the junction of two extraction drives was suffered, along with minor damage to a nearby ventilation rise.
"Inspections have been conducted which have (also) confirmed that past investment in ground support has been effective in preventing damage to infrastructure," Newcrest Mining advised.
"No injuries were sustained and, in accordance with standard operating procedure, all personnel working in the affected area were accounted for and safely returned to surface.
"Mining operations in all other areas, development activities and above-ground operations all continued uninterrupted.
"Newcrest has been working with the NSW Government Resources Regulator and a Prohibition Notice has been established around the affected area only."
Newcrest was expecting to sent a geotechnical report to the regulator on Monday for approval to commence rehabilitation activities in the affected area.
Newcrest reports surface operations have not been affected by the Prohibition Notice, nor have other areas of the Cadia East mine with no impacts to cave development activities either.
The company was still able to commission its semi-autogenous grinding mill replacement despite the incident, which began on Monday as scheduled.
Newcrest does not expect the seismic event to impact gold or copper production.
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