Grasberg mine (Indonesia)www.123rf.comGrasberg mine in Mimika Regency, Central Papua, Indonesia, holds one of the world’s largest gold and copper reserves. The largest open-pit gold mine in the world with production believed to be estimated around 2 Moz annually. RELATED:DRDGOLD reports 5% quarter-on-quarter increase in gold productionSuper Pit Mine (Australia)Super Pit One of Australia’s largest open pit gold mine. (www.superpit.com.au)The Super Pit Mine is one of the biggest open-pit gold mines in the world and the largest in Australia. Boddington Mine (Australia)www.123rf.comThe Boddington gold and copper open-pit mine, located 13 km northwest of Boddington, Western Australia, is now Australia’s largest gold mine.