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Doornkop South Reef Project, Gold Mine, South Africa

Produce

Gold

Location

South of Krugersdorp on the north-west rim of the Witwatersrand Basin

Ownership

Harmony

Geology Type

A very thin seam 1–10cm thick, broken into a number of large blocks by a series of faults; friable and carbonaceous

Mineral Type

70% mineralisation as free gold

Reserve Base

11.6 million ounces

Annual Production

80,763oz (2011)

Mining method

Conventional

Employment

2,798 (at full production)

Project Partners

Harmony/African Vanguard Resources joint venture (74:26)

Life of Mine

Years

11

Tonnes milled

14.5 million

Grade (average reserve)

6.6g/t

Life-of-mine ounces

2.96 million

Financial Evaluation (at a gold price of R105,000/kg)

NPV @ 7.5%

R892m

IRR

+507%
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