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Cadia Valley Operations is owned by Newcrest Mining Limited and is one of the largets gold mining operations in Australia. Operations include two underground mines and an ore processing facility.

Cadia Blasting Schedule

Blasting and Vibration

Cadia must ensure that blasting does not exceed the relevant conditions and critieria set under the Cadia East Project Approval.

Preconditioning Blasts

Cadia is not currently conducting any preconditioning blasting at Cadia East Gold Mine and has not scheduled any preconditioning blasting in the near future. If this changes, prior notice will be provided to near neighbours before blasts re-commence.

Development Blasts

Typically, 60 short holes of 5 m are drilled from underground mine workings up to 1400 m below the natural ground surface. The holes are drilled in a precise pattern, filled with explosives and detonated in a controlled manner. These blasts are used in the construction/excavation of tunnels to access the ore body. Vibration from these blasts is generally not felt outside the mining area.

Underground Production Blasts

Typically, 50 short holes of 30 m are drilled in a precise pattern, filled with explosives and blasted in a controlled manner. These blasts are used to create the extraction points, known as draw bells, where underground loaders can access the broken rock from the block/panel cave mining area. These blasts are generally not felt outside the mining area.

Cadia East Preconditioning Blasts

Cadia is not currently conducting any preconditioning blasting at Cadia East Gold Mine.

Cadia East Production Blasts

Production blasts at Cadia East occur periodically. Ground vibration and noise from each blast is measured by Cadia's blast monitoring network and reported monthly (see Environmental Monitoring).

Ridgeway Production Blasts

Cadia is not currently conducting any Production blasts at Ridgeway.


For more information on blasting schedules or blast monitoring results please contact the Cadia Complaints Hotline 1800 063 043 at any time.