Mamut Mine is an abandoned open-pit quarry mine located in the Ranau District of Sabah, Malaysia where from 1975 to 1999 various minerals primarily copper including some gold and silver were mined. The mine is known as Malaysia's only copper mine. It came to public attention due to major environmental harm it caused.
Location: Ranau District
Opened: 1975
State: Sabah
Country: Malaysia
Products: Copper, with some gold and silver
Production: 2.1 million tonnes of concentrates containing 520,000 copper, 39 tonnes of gold and 255 tonnes of silver mined from 1975 until its closure in 1999