Overview
Stage | Production |
Mine Type | Open Pit |
Commodities |
|
Mining Method |
|
Production Start | ...  |
Mine Life | 5.25 years (as of Jan 1, 2019) |
Beneath the surface of the Tujuh Bukit Gold Mine in Banyuwangi, East Java, contains about 1.8 billion tonnes of ore potential, consisting of 8.2 million tonnes of copper and 28.6 million ounces of gold. The world-class ore content can be compared to the Bukit Hijau mine in Sumbawa and Grasberg in Timika, Papua. The Tujuh Bukit Copper Project is one of the world’s largest undeveloped copper reserves.
The Tujuh Bukit Copper Project is currently in the exploration stage. |
Source:
p. 16
PT Merdeka Copper Gold Tbk (“Merdeka”), a holding company with operating subsidiaries engaging in mining business activities. The subsidiaries are (i) PT Bumi Suksesindo (“BSI”) as the holder of the operation production mining business license for the Tujuh Bukit mine, (ii) PT Damai Suksesindo (“DSI”) which holds the adjacent exploration permit, (iii) PT Batutua Tembaga Raya (“BTR”) as the holder of operation production mining business license specifically for processing and refining.
Contractors
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Summary:
The Tujuh Bukit Oxide deposits are classified as High Sulphidation Epithermal (HSE) type containing economic accumulations of gold and silver.
Summary:
Tujuh Bukit Gold is a gold and silver mine located in Banyuwangi Regency, East Java Province and employ conventional truck and shovel mining method.
Source:

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Flow Sheet:
Summary:

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Reserves at December 31, 2021:
Tujuh Bukit Gold Mine Mineral Resource Cut-off 0.1 g/t gold.
Tujuh Bukit Gold Mine Ore Reserve Cut-off 0.2 g/t gold.
Category | OreType | Tonnage | Commodity | Grade | Contained Metal |
Proven
|
Stockpiles
|
1.5 Mt
|
Gold
|
0.38 g/t
|
18 koz
|
Proven
|
Stockpiles
|
1.5 Mt
|
Silver
|
8.4 g/t
|
408 koz
|
Probable
|
In-Situ (OP)
|
29 Mt
|
Gold
|
0.67 g/t
|
626 koz
|
Probable
|
In-Situ (OP)
|
29 Mt
|
Silver
|
28 g/t
|
26,469 koz
|
Measured
|
Total
|
1.5 Mt
|
Gold
|
0.4 g/t
|
|
Measured
|
Total
|
1.5 Mt
|
Silver
|
23 g/t
|
|
Indicated
|
Total
|
73.4 Mt
|
Gold
|
0.45 g/t
|
|
Indicated
|
Total
|
73.4 Mt
|
Silver
|
24 g/t
|
|
Inferred
|
Total
|
7.2 Mt
|
Gold
|
0.28 g/t
|
|
Inferred
|
Total
|
7.2 Mt
|
Silver
|
14 g/t
|
|
Total Resource
|
Total
|
82.1 Mt
|
Gold
|
0.44 g/t
|
1,137 koz
|
Total Resource
|
Total
|
82.1 Mt
|
Silver
|
24 g/t
|
60.9 M oz
|
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