1. Grasberg, Papua
Proven gold reserves: 25.8 million ounces (worth USD 34.54 billion, with the reference price 1300 USD/oz)
Potential gold: 54.8 million ounces (worth USD 73.38 billion, with the reference price 1300 USD/oz)
Copper reserves: 26.9 billion pounds (worth USD 83.39 billion, with the reference price of USD 3.1/pound)
Silver reserves: 106.7 million ounces (worth USD 1.77 billion, with the reference price USD 16,61/ounce)
The gold mine is located in Papua and managed by Freeport Mcmoran (an FMCG). The mine is one of the largest gold mines in the world and third largest copper mine in the world. Freeport is capable of producing roughly 1 million ounces of gold annually, it means that at least takes 25 years to Freeport to spend it.
2. Tujuh Bukit, Banyuwangi
Proven gold reserves: 28 million ounces (worth USD 37.41 billion, with the reference price 1300 USD/oz)
Copper reserves: 19.28 billion pound (worth USD 59.76 billion, with the reference price of USD 3.1/pound)
Silver reserves: 75.12 million ounces (worth USD 1.25 billion, with the reference price USD 16,61/ounce)
The mine Tujuh Bukit or Tumpang Pitu is among the largest in the world. The mine is located in the Regency of Banyuwangi, East Java. The mine is run by PT Bumi Suksesi Indo which is a subsidiary of PT Merdeka Copper Gold Tbk. (MDKA) owned by Sandiaga Uno and Edward Soeryadjaya. Gold mining area of 996 hectares is scheduled operating 2017 and produced 110.000 ounces of gold and 1 million ounces of silver annually.
3. Batu Hijau, Sumbawa
Proven gold reserves: 14.7 million ounces (worth 19.66 billion USD, with the reference price 1300 USD/oz)
Potential gold: 23.19 million ounces (worth 31.02 billion USD, with the reference price 1300 USD/oz)
Copper reserves: 16 billion pounds (worth USD 49.6 billion, with the reference price of USD 3.1/pound)
Silver reserves: 27.6 million ounces (worth USD 458 million, with the reference price USD 16,61/ounce)
The mine is run by PT Nusa Mineral Southeast Amman, a subsidiary of PT Medco Energy International Tbk (MEDC). Gold mining area of 66,000 hectares that produce 430.000 ounces of gold and 320 million pounds of copper per year.
4. Martabe, South Tapanuli
Proven gold reserves: 7.5 million ounces (worth 10.04 billion USD, with the reference price 1300 USD/oz)
Silver reserves: 67 million ounces (worth 1.11 billion USD, with the reference price USD 16,61/ounce)
This mine operated by PT. Agincourt Resources. PT Agincourt Resources is a consortium led by EMR Capital, a private equity fund entities specializing in mining (61.4%). In the consortium, there is Farallon Capital, a global financial investors (20.6%), Martua Sitorus (11%), and Robert Hartono & Michael Bambang Hartono (7%). Gold mining area of 163,900 hectares that produce 310.000 ounces of gold and 1,515,228 ounces of silver per year.
5. Lebong Tandai, Bengkulu Utara
In 1937, gold production Lebong Tandai reaches the 1.1 tons. Period of 1900-1940 became the golden age of the mine because it is capable of producing 72% of all the gold in the Netherlands East Indies which totals reached 123 tonnes.
If this gold mines exploited its potential can only exceed the production of gold produced from Freeport, for land coverage area that can reach 90,000 hectares.
6. Gorontalo, Sulawesi
Large resources of copper & gold project. Resource estimate of 400.6 Mt @ 0.48% Cu and 0.43 g/t Au from Sungai Mak, Cabang Kiri, Motomboto East, Motomboto North & Kayubulan based on KCMI. This mine operated by PT. Bumi Resource Minerals Tbk (BRMS).
6. Gorontalo, Sulawesi
Large resources of copper & gold project. Resource estimate of 400.6 Mt @ 0.48% Cu and 0.43 g/t Au from Sungai Mak, Cabang Kiri, Motomboto East, Motomboto North & Kayubulan based on KCMI. This mine operated by PT. Bumi Resource Minerals Tbk (BRMS).
