Mt Carlton gold/silver/copper mine project, Australia
Name and Location
Mt Carlton gold/silver/copper mine project, Queensland, Australia.
Client
Evolution Mining.
Project Description
Mt Carlton has a total gold reserve of 9.13-million tons at a grade of 2.8 g/t, and a silver and copper reserve of 10.2-million tons grading 47 g/t silver and 0.27 g/t copper.
The project is expected to produce 720 000 oz of gold, 14.4-million ounces of silver and 25 000 t of copper over an initial 12-year mine life.
Mining production is derived from two pits, V2 and A39, using conventional drill-and-blast and load-and-haul methodologies. These functions are undertaken by contractors, mining 5 m benches in 2.5 m flitches. The A39 pit will have a life-of-mine strip ratio of 3.3:1. The V2 pit will have a life-of-mine strip ratio of 2.7:1 and will be mined over nine years.
The low-grade ore will be stockpiled and processed after the depletion of the high-grade ore, to be processed after the completion of openpit mining.
Ore will be processed through conventional technology, consisting of crushing, grinding and flotation to produce a polymetallic concentrate. The processing plant will have a throughput capacity of 800 000 t/y.
Value
A$170-million.
Duration
The Mt Carlton mine was expected to be officially opened on April 10.
Latest Developments
First concentrate from the silver-rich A39 deposit was achieved in March 2013.
The site team is focusing on ramping up the plant to full capacity, which is expected to be achieved on a sustainable basis in the September 2013 quarter.
Key Contracts and Suppliers
None stated.
On Budget and on Time?
In August 2012, Evolution reported that the costs of the project had increased from A$145-million to A$170-million, owing to cost pressures.
Contact Details for Project Information
Evolution Mining, tel +61 2 9696 2900 or fax +61 2 9696 2901.
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