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Mine Expansion
Gibraltar is undergoing a major, multi-phase expansion and modernization program. Over the last two years, approximately $250 million has been invested at Gibraltar in both mining equipment and concentrator upgrades. By the end of 2010, Gibraltar's annual production capacity will increase to 115 million pounds of copper and 1.4 million pounds of molybdenum.
The Phase I & II expansion and modernization programs included the addition of a new 34 foot semi-autogenous grinding (SAG) mill, a complete replacement of the original flotation recovery system as well as a number of downstream upgrades and modifications.
Phase I was completed, on time and on budget, in early 2008 and the new equipment is being commissioned with ramp up continuing through 2009. During the ramp up, production levels are expected to steadily increase with expected annualized capacity reaching 100 million pounds of copper. Total cost for the Phase I expansion was $76 million.
Phase II modifications will allow the new SAG mill to process up to its designed capacity of 55,000 tons per day (tpd) by increasing capacity in other circuits of the concentrator. The expansion project will include the addition of an upgraded tailings pumping system, increased regrind capacity, cleaner flotation cells, pressure filters and driers. Phase II is targeted for completion in early 2010. Commissioning and ramp up of Phase II is expected to take place in 2010 until annualized production rates of 115 million pounds of copper are achieved. As of mid 2009, approximately $20 million was left to spend on Phase II.
Gibraltar is undergoing a major, multi-phase expansion and modernization program. Over the last two years, approximately $250 million has been invested at Gibraltar in both mining equipment and concentrator upgrades. By the end of 2010, Gibraltar's annual production capacity will increase to 115 million pounds of copper and 1.4 million pounds of molybdenum.
The Phase I & II expansion and modernization programs included the addition of a new 34 foot semi-autogenous grinding (SAG) mill, a complete replacement of the original flotation recovery system as well as a number of downstream upgrades and modifications.
Phase I was completed, on time and on budget, in early 2008 and the new equipment is being commissioned with ramp up continuing through 2009. During the ramp up, production levels are expected to steadily increase with expected annualized capacity reaching 100 million pounds of copper. Total cost for the Phase I expansion was $76 million.Phase II modifications will allow the new SAG mill to process up to its designed capacity of 55,000 tons per day (tpd) by increasing capacity in other circuits of the concentrator. The expansion project will include the addition of an upgraded tailings pumping system, increased regrind capacity, cleaner flotation cells, pressure filters and driers. Phase II is targeted for completion in early 2010. Commissioning and ramp up of Phase II is expected to take place in 2010 until annualized production rates of 115 million pounds of copper are achieved. As of mid 2009, approximately $20 million was left to spend on Phase II.
