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Minahasa Raya
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PROJECT CLOSURE:
Decommissioning and shut down of the process facilities are scheduled for 31 December 2003. PT Newmont Minahasa Raya is proceeding with sale of the assets to interested parties.

The Minahasa process facilities are located on the northern end of the island of Sulawesi, Indonesia, in the Mesel-Lobongan area, approximately 80 km south of the city of Manado.

PLANT DESCRIPTION:
Gold recovery plant, with a capacity of 700,000 tonnes per annum, to process refractory gold, consisting of crushing, dry milling, whole ore roasting, cyanidation/carbon adsorption, electrowinning/elecro-refining and tailings detoxification. Tailings deposition at the site where the plant is located is via a submarine tailings placement system.

Since initiation of the plant in 1995, it is estimated that a total of 4.78 million tonnes of ore has been processed over a mine life of approximately six years. Eminent closure of the plant is expected by 31 December 2003.

In addition to the refractory gold recovery plant, the Minahasa plant includes a heap leach operation, and carbon plant for gold recovery. The heap leach operation, started in 1998, processed 3.43 million tonnes of lower grade are not economical for roaster processing.

Minahasa

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