Wattle Dam Gold Mine

Last updated
Wattle Dam
Location
Australia location map.svg
Schlaegel und Eisen nach DIN 21800.svg
Wattle Dam Gold Mine
Location in Australia
Location Kambalda
State Western Australia
Country Australia
Coordinates 31°37′S121°48′E / 31.617°S 121.800°E / -31.617; 121.800 Coordinates: 31°37′S121°48′E / 31.617°S 121.800°E / -31.617; 121.800
Production
Production 16,283
Financial year 2008-09
History
Opened March 2006
Owner
Company Ramelius Resources
Website www.rameliusresources.com.au/company_overview.8.html

The Wattle Dam Gold Mine is a gold mine located 25 km south west of Kambalda, Western Australia.

Gold mining process of extracting gold from the ground

Gold mining is the resource extraction of gold by mining.

Kambalda, Western Australia Town in Western Australia

Kambalda is a small mining town about 60 kilometres from the mining city of Kalgoorlie in Western Australia, within the Goldfields. It is split into two townsites 4 kilometres apart, Kambalda East and Kambalda West; and is located on the western edge of a giant salt lake, Lake Lefroy. At the 2006 census, Kambalda had a population of 2,705.

Contents

It is currently owned by Ramelius Resources. Ramelius, listed at the Australian Securities Exchange since 2003, discovered Wattle Dam in 2005 and begun mining the deposit in 2006. [1]

Australian Securities Exchange Primary securities exchange located in Sydney, Australia

The Australian Securities Exchange is Australia's primary securities exchange. It is owned by the Australian Securities Exchange Ltd, or ASX Limited, an Australian public company. Prior to December 2006 it was known as the Australian Stock Exchange, which was formed on 1 April 1987, incorporated under legislation of the Australian Parliament as an amalgamation of the six state securities exchanges. It merged with the Sydney Futures Exchange in 2006.

Ore from Wattle Dam is not treated on site but rather taken to the company's Burbanks Treatment Plant, 8 km south of Coolgardie, [2] near the Burbanks Gold Mine which is owned by Barra Resources Limited.

Coolgardie, Western Australia Town in Western Australia

Coolgardie is a small town in Western Australia, 558 kilometres (347 mi) east of the state capital, Perth. It has a population of approximately 850 people.

Burbanks Gold Mine mine in Australia

The Burbanks Gold Mine is a gold mine located 9 km south east of Coolgardie, Western Australia.

Ramelius has made headlines in 2009 when it became engaged in a bitter dispute with Avoca Resources Limited over conflicting takeover bits for Dioro Exploration NL. [3] [4] Avoca eventually had to drop its bit for Dioro, [5] having reached a 44.85% interest in Dioro at the close of the offer on 20 August, short of the 50% needed. [6] Ramelius's offer for the company closes on 8 February 2010. Avoca made a renewed takeover offer for the company in late December 2009. [7] Avoca eventually succeeded in its bid for Dioro and, on 21 April 2010, Dioro was delisted from the ASX. [8]

Avoca Resources Limited Australian gold mining company

Avoca Resources Limited was an Australian gold mining company, based in Perth, Western Australia. It merged in with Anatolia Minerals Development Limited in 2011 to form Alacer Gold.

Ramelius purchased the Hill 50 Gold Mine from Harmony Gold for A$40 million in July 2010. [9]

Hill 50 Gold Mine mine in Australia

The Hill 50 Gold Mine is a gold mine located 4 km north-west of Mount Magnet, Western Australia. The mine was, until July 2010, owned by Harmony Gold and had been placed in care and maintenance since 2007. In July 2010, Harmony sold the mine to Ramelius Resources, owner of the Wattle Dam Gold Mine, for A$40 million.

Harmony Gold (mining) company

Harmony Gold is the third largest gold mining company in South Africa.Harmony operates in South Africa and in Papua New Guinea. The company has nine underground mines, one open-pit mine and several surface operations in South Africa. In Papua New Guinea, it has Hidden Valley, an open-pit gold and silver mine and a 50% interest in the Morobe Mining Joint Venture, which includes the Wafi-Golpu project and extensive exploration tenements. Outside the joint venture, Harmony’s own exploration portfolio focuses principally on highly prospective areas in Papua New Guinea.

History

Gold mines in the Kalgoorlie region Gold mines Kalgoorlie.jpg
Gold mines in the Kalgoorlie region

Discovered in 2005, Ramelius begun mining the deposit in March 2006. After two periods of open pit mining in 2006 and 2008–09, underground development commenced in May 2009. The company expects high grade underground ore to be available for milling in December 2009. [10]

Open-pit mining surface mining technique of extracting rock or minerals from the earth

Open-pit, open-cast or open cut mining is a surface mining technique of extracting rock or minerals from the earth by their removal from an open pit or borrow.

Underground mining (hard rock) underground mining techniques used to excavate hard minerals

Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, usually those containing metals such as ore containing gold, silver, iron, copper, zinc, nickel, tin and lead, but also involves using the same techniques for excavating ores of gems such as diamonds or rubies. Soft rock mining refers to excavation of softer minerals such as salt, coal, or oil sands.

The ore is treated at the Burbanks Treatment Plant, which is located 65 km from Wattle Dam. Ramelius purchased the plant in November 2006 for A$2.8 million. Ramelius spent a further $1.3 million on refurbishing the facility, which has a capacity to treat up to 180,000 tonnes of ore per annum. [2] When not used for Wattle Dam ore, the facility toll treats third party ore, like from July to September 2009. [11] Before the purchase of Burbanks, Ramelius had its ore treated at the plant of the Higginsville Gold Mine, owned by Avoca Resources [12]

Production

Production of the mine:

YearProductionGradeCost per ounce
2005-06 [13] 4,190 ouncesg/t A$
2006-07 [12] 16,963 ounces8.36 g/tA$
2007-08 [14] 16,154 ounces5.25 g/tA$
2008-09 [11] 16,283 ounces3.74 g/tA$

Sources

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References

  1. Ramelius website - Company Overview accessed: 6 September 2009
  2. 1 2 Ramelius website - Burbanks Treatment Plant accessed: 6 September 2009
  3. Response to Dioro’s 8th Supplementary Target’s Statement Avoca Resources announcement, published: 17 August 2009, accessed: 6 September 2009
  4. Ramelius shares rise on strong gold results news.com.au, published: 10 August 2009, accessed: 6 September 2009
  5. Avoca's bid for Dioro beaten by Ramelius offer business.watoday.com.au, published: 30 July 2009, accessed: 6 September 2009
  6. Avoca reaches 44.85% at close of Offer for Dioro Avoca Resources announcement, published: 17 August 2009, accessed: 6 September 2009
  7. NOTICE OF INTENTION TO MAKE A NEW TAKEOVER OFFER FROM AVOCA AND UPDATE ON RAMELIUS’S AMENDED OFFER Dioro ASX announcement, published: 4 January 2010, accessed: 6 January 2010
  8. Removal from Official List Dioro ASX announcement, published: 21 April 2010, accessed: 7 May 2010
  9. Quarterly report June 2010 Ramelius ASX announcement, published: 23 July 2010, accessed: 29 July 2010
  10. Ramelius website - Wattle Dam accessed: 6 September 2009
  11. 1 2 Ramelius quarterly report June 2009 accessed: 6 September 2009
  12. 1 2 Ramelius annual report 2007 accessed: 6 September 2009
  13. Ramelius quarterly report June 2006 accessed: 6 September 2009
  14. Ramelius annual report 2008 accessed: 6 September 2009