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格拉斯贝格斑岩型铜金矿床位于印度尼西亚艾茨贝格(Ertsberg)矿区内,中心地理坐标为4°3’S,137°7’E,该矿区位于新几内亚岛伊里安查亚中部的查亚维查亚山脉(Jayawijaya)地区。该矿床于20世纪80代中期发现,露天矿于1989年l2月正式投产。格拉斯贝格矿床铜,金和银的储量分别为2761万t,2610 t和8500 t,其平均品位分别为1.1%,1.04×10-6和3.4×10-6(施俊法等,2006)。是亚洲最大的铜矿床和世界上最大的单体
The Grasberg porphyry copper-gold deposit is located in the Ertsberg mining area of Indonesia with a geographical coordinates of 4 ° 3’S and 137 ° 7’E located in the middle of Irian Jaya in New Guinea Jayawijaya area. The deposit was discovered in the mid-1980s in the 20th century. The open pit mine was officially launched in December 1989. The Grasberg deposit copper, gold and silver reserves were 27.61 million t, 2610 t and 8500 t respectively, with average grades of 1.1%, 1.04 × 10-6 and 3.4 × 10-6, respectively (Shijun et al., 2006). Is Asia’s largest copper deposit and the world’s largest monomer