Frog's Leg Gold Mine

The Frog's Leg Gold Mine is a gold mine located 19 km west of Kalgoorlie, Western Australia, owned and operated by Australian company Evolution Mining Limited.[1]

Frog's Leg
Location
Frog's Leg Gold Mine
Location in Australia
LocationKalgoorlie
StateWestern Australia
CountryAustralia
Coordinates30°45′39″S 121°16′10″E
Production
Production110,000 oz
Financial year2014-15[1]
History
Opened2004
Owner
CompanyEvolution Mining
WebsiteEvolution Mining website
Year of acquisition2015

History

The gold deposit at Frog's Leg was discovered in 1999 and mining originally occurred in an open pit operation from April 2004 to October 2005, when operations ceased again.[2] To the frustration of Dioro, Mines and Resources Australia Pty Ltd, a subsidiary of the French company Areva,[3] delayed the development of an underground mine at the location, an impasse only solved by the sale of its 51% stake.[4]

In September 2006, La Mancha Resources announced the takeover of Mines and Resources Australia's 51% share of the project and began a major drilling program to define potential resources. With this transaction, La Mancha also acquired the White Foil Gold Mine.[5] In mid-2007, the company began to develop an underground operation. In May 2008, the first gold was poured at the mine and, on 1 January 2009, commercial production was achieved.[2]

Dioro's ore from the Frog's Leg mine is processed at the Dioro-owned Jubilee Mill, located at the South Kalgoorlie Gold Mine, which was commissioned in 1987.[6][7]

Dioro's 49% stake in the Frog's Leg mine, together with the South Kal operation were part of a takeover war between Avoca Resources and Ramelius Resources. Avoca, owner of the Higginsville Gold Mine and Ramelius, owner of the Wattle Dam Gold Mine, both in the area south of Kalgoorlie, were both interested in acquiring Dioro to combine their existing operations with Dioro's.[8][9] After a failed bit by Avoca in August 2009 and a subsequent extension to the bit by Ramelius, Avoca made a new offer for Dioro on 29 December 2009, despite having earlier declared that its August bit was final.[10] Avoca eventually succeeded in its bid for Dioro and, on 21 April 2010, Dioro was delisted from the ASX.[11]

Gold mines in the Kalgoorlie region

Production

Production figures for the mine, split into individual owners.

La Mancha

La Mancha's financial year runs from 1 January to 31 December:

Year 1 Gold
production		 Grade Cost per ounce
2008[12] 15,375 ounces
2009

Dioro

Dioro's financial year runs from 1 September to 31 August:

Year 1 Gold
production		 Grade Cost per ounce
2007–08[13] 10,814 ounces 3.98 g/t
2008–09[6] 41,946 ounces 5.24 g/t US$ 472

Sources

References
  1. "Mungari" (pdf). Evolution Mining. May 2016. Retrieved 24 October 2016.
  2. Frog's Leg Mine La Mancha website, accessed: 6 January 2010
  3. Historique AREVA NC accessed: 7 January 2010
  4. Frog's Leg may give Dioro the hop it needs to crack open some vintage Penfold The Age, published: 21 May 2007, accessed: 7 January 2010
  5. La Mancha Closes Transaction La Mancha website, published: 28 September 2006, accessed: 6 January 2010
  6. Annual report 2008–09 Dioro ASX announcement, published: 27 November 2009, accessed: 6 January 2010
  7. Quarterly Report for the period ending 31 August Dioro ASX announcement, published: 31 September 2009, accessed: 6 January 2010
  8. Dioro out of touch, says Avoca Resources The Australian, published: 17 June 2009, accessed: 6 January 2010
  9. Avoca opens offer for gold miner Dioro The Sydney Morning Herald, published: 19 May 2009, accessed: 6 January 2010
  10. Avoca increase bid for Dioro Exploration ninemsn.com.au, published: 29 December 2009, accessed: 6 January 2010
  11. Removal from Official List Dioro ASX announcement, published: 21 April 2010, accessed: 7 May 2010
  12. LA MANCHA'S 2008 YEAR END PRODUCTION INCREASES 33% TO 71,550 OUNCES La Mancha website, published: 22 January 2009, accessed: 7 January 2010
  13. Annual report 2007–08 Dioro ASX announcement, published: 28 November 2008, accessed: 6 January 2010
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