MasbateGold Mining is on the island of Masbate, about 350km south of the Philippines capital, Manila.

The mine proven and probable mineral reserves as of April 2013 stood at 103.923Mt. Producing one-sixth of the country’s gold and now is the largest operating gold mine in Philippines. The gold output averages more than 200,000 ounces per year.

Leighton Contractors (Philippines) Inc, a wholly owned subsidiary of Australia, was awarded an Engineering, Procurement, and Construction (EPC) contract by CGA Mining Limited to design and construct a gold processing plant in Masbate. The approximately contract value of the project is estimated to be around USD 337 million.

The scope of the EPC contract included the designed and construction of:

  • A 4 million tonne per annum (4 Mtpa) gold processing plant
  • Infrastructure Development
  • Raw water and electrical reticulation

The process plant is a conventional carbon-in-leach (CIL) type facility consisting of primary crushing, two stage grinding, leaching adsorption and thickening process stages, elution, electrowinning and smelting gold recovery stages and a cyanide detoxification stage treating process plant tails before disposal in a new tailing storage facility, being built 3km from the plant.