(As at 31 December 2010)
|
MRM commenced mining |
1995 |
|
Open pit development approval |
October 2006 |
|
Development cost |
$110 million |
|
Mine life |
Estimated 2027 (based on 2006 approvals) |
|
Resource to be mined |
43 million tonnes
Grade – 10.2% zinc, 4.4% lead, 45g/t silver |
|
Production rate |
2.5 million tonnes of ore per annum
200,000 tonnes of zinc in concentrate |
|
Product Capacity |
420,000 dmt (dry metric tonnes) per annum |
|
Mining |
Open pit mine using conventional drilling, blasting, horizontal bench scraping, loading and haulage methods |
|
Processing |
Conventional Crushing – Grinding and Flotation process producing zinc-lead concentrates |
|
Transport |
Trucked to Bing Bong loading facility, transferred to barge, then offshore loading onto ships within a designated Offshore Transfer Zone |
|
Export markets |
Europe, Japan, China |
|
Workforce |
282 permanent employees
162 contractors |
|
Open pit |
Current:
Length - 1.3 kilometres
Width - 500 metres
Depth – 112 metres
Overall footprint – 96 hectares
At completion:
Length - 1.5 kilometres
Width - 800 metres
Depth - 210 metres
Overall footprint - 115 hectares |
|
McArthur River rechannelling |
Length - 5.5 kilometres
Width - 15 to 28 metres
Depth - up to 18 metres |
|
Barney Creek rechannelling |
Length - 3 kilometres
Width - 30 to 50 metres
Depth - up to 17 metres |
|
Flood protection bund |
Maximum height - 24 metres
Length - 7.5 kilometres
Flood protection - 1:500 year event |
|
Overburden (North OEF)
(At completion) |
Footprint - 255 hectares
Height - 50 metres
Total capacity - 185 million tonnes |
|
Tailings Storage Facility
(At completion) |
Total surface area - 210 hectares
Total volume - 23 million cubic metres
Maximum height - 30 metres
Flood protection - 1:500 years |
|
MV Aburri barge |
Length - 80 metres
Width - 18.5 metres
Draft - 3.5 metres
Capacity - 3,200 tonnes
Loading and discharge rate - 900-1,000 tonnes per hour |
*NOTE: all statistics updated annually
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