The Sunrise Dam Gold Mine is located 55 km south of Laverton, Western Australia, on the eastern margin of Lake Carey.
It is fully owned by AngloGold Ashanti and comprises a large-scale mechanized underground mine with a conventional gravity and leach process plant.
[4] In 1999, AngloGold acquired the mine through a takeover of Acacia Resources Ltd,[5] a move that also gained it a 33% stake in the Boddington project,[6] which it sold in early 2009 for $1.5 billion.
Acacia, originally formed and listed in 1994 when Shell Australia divested its gold and base metal activities, was delisted from the Australian Stock Exchange on 11 January 2000.
A major cutback in the Cleo pit was completed during the year, whilst the corporate office was restructured and relocated from Melbourne to Perth.
[8] Following the capital expansions undertaken the previous year, gold production increased by 30% in 2002 to 382,000oz, as plant throughput rose by 41% to an annual rate of 3.4Mtpa.
[10] In 2005, open cut mining continued in the high-grade areas in the first half of the year, then onto the lower grade northern section of the pit from the third quarter.
Open pit ore was supplemented in the processing plant by higher grade underground ore. Gold production increased by 11% to 455,000 ounces.
[12] In 2006, AngloGold Ashanti signed a contract for conversion of its diesel power generators to liquefied natural gas (LNG) as a cost-saving measure as well as to protect the environment.
[13] Open pit mining continued in the North Wall Cutback throughout 2009, whilst underground tonnage increased by 15%, yielding approximately 111,000oz.
[17] A study was undertaken during 2011 to test the potential for a bulk-cave operation to more efficiently extract underground ore over an extended life of mine.
[16] The study demonstrated that substantial tonnage could be mined via more productive and cost effective long hole open stoping methods.
[17] Production rose by 5% to 258,000oz in 2012, as Sunrise Dam recovered from flood-related disruptions the previous year, together with improved grades from the North Wall Cutback area of the pit.
A study commenced to assess the viability of an underground crusher and conveyor system for haulage via a new decline at the northern end of the operation.
[2] Completion of the Eastern Goldfields Pipeline in December 2015 delivered natural gas ahead of schedule to Sunrise Dam and Tropicana Gold Mine.
[10] The majority of the mine workers are on a fly-in fly-out roster, with National Jet Express providing a charter service twice-daily from Monday to Friday.