The average age of porphyry stocks is 9 mega-annum (Late Miocene) with total reserves of deposit of about 179 Mt Cu grade.

[1] Established through a consortium between Japanese and Malaysian companies,[5][6] the mine began its production in 1975 and produced a total of 21,613.8 tonnes (21,613,800 kg) of minerals valued at $11.5 million, which was exported overseas.

[7][10] Minerals gathered from the mine were trucked to Kota Belud District before being shipped to Japan for refining.

[4] Since its closure and subsequent abandonment, water has filled the mine, which is toxic for consumption due to its highly acidic nature.

In 2001, the government of Sabah through Chief Minister Chong Kah Kiat tried to attract the interest among investors to develop the abandoned mine area for tourism attraction which is ideal for resort development with the highland weather, interesting topography and scenic view of Mount Kinabalu despite no further deal are being realised.