Overview
Stage | Production |
Mine Type | Open Pit & Underground |
Commodities |
|
Mining Method |
- Truck & Shovel / Loader
- Cut & Fill
|
Production Start | ...  |
Mine Life | 2050 |
PT Citra Palu Minerals (CPM) has rights to mining concession in Central Sulawesi and South Sulawesi, Indonesia through a Contract of Work (CoW).
PT Citra Palu Minerals (Poboya) produces gold.
The 1st plant has been operational since Q1 2020. Has completed the 2nd plant construction in 2022. |
Source:
p. 29,31,82
Company | Interest | Ownership |
PT Bumi Resources Tbk.
|
22.07 %
|
Indirect
|
PT Citra Palu Minerals
(operator)
|
100 %
|
Direct
|
PT Bumi Resources Minerals Tbk. holds 96.97% in PT Citra Palu Minerals.
Composition of the PT Bumi Resources Minerals Shareholders:
- 22.07% - PT Bumi Resources Tbk.;
- 8.91% - Wexler Capital Pte. Ltd.;
- 11.04% - 1st Financial Company Limited;
- 11.25% - Emirates Tarian Global Ventures SPC;
- 6.49% - Sugiman Halim;
- 5.13% - CIMB Securities Limited;
- 24.11% - Shareholder group with less than 5% shares.
Contractors
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Deposit Type
- Vein / narrow vein
- Epithermal
- Breccia pipe / Stockwork
Summary:
The Poboya Prospect lies along the North Northwest - South Southeast Palu-Koro Fault Zone in the central part of the West Sulawesi Arc. The geology of the area consists of the Palu Metamorphic Complex overlain by the Paleogene-Neogene Tinombo Formation of volcanosedimentary rocks, the Celebes Molasse sediment, and Late Cenozoic granitic rocks.
Textures of quartz-carbonate veins in the River Reef Zone include massive micro-comb, moss, colloform, crustiform, mosaic, feathery, flamboyant, lattice bladed, ghost bladed, parallel bladed, and saccharoidal textures representing primary growth, recrystallization, and replacement.
River Reef Zone, Hill Reef Zone 1, and Hill Reef Zone 2 extend in a NW-SE strike, along with the occurrences of schist unit, biotite gneiss, granite, molasse, and alluvium sediments.
From the vein zone outward, hydrothermal alteration assemblages are chlorite-illite-chlorite/smectite-illite/smectite-calcite, chlorite-epidote-calcite-illite/smectitesmectite, and chlorite-illite/smectite-smectite.
The veins observed in the RRZ have an individual thickness of less than 1 cm up to approximately 10 m. The veins are mainly composed of quartz and calcite with variable grain size and mineral habits. Quartz was observed as cryptocrystalline [hereafter referred to as chalcedony], microcrystalline, and crystalline in terms of its size, while calcite was observed as platy and irregular, coarse grains.
Mining Methods
- Truck & Shovel / Loader
- Cut & Fill
Summary:
PT Citra Palu Minerals has Contract of Work rights to a 85,180 hectare mining concession in Central Sulawesi and South Sulawesi, Indonesia.
CPM’s contract area consists of 5 separate blocks, of which the Poboya gold prospects is the most promising.
Source:

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Flow Sheet:
Summary:

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Production:
Commodity | Units | 2022 | 2021 | 2020 |
Gold
|
oz
| ......  | ......  | ......  |
All production numbers are expressed as payable metal.
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Operational Metrics:
Metrics | 2023 | 2022 | 2021 | 2020 |
Daily processing capacity
| ......  | ......  | ......  | 500 t |
^ Guidance / Forecast.
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Reserves at December 31, 2022:
Category | Tonnage | Commodity | Grade | Contained Metal |
Proven & Probable
|
22.8 Mt
|
Gold
|
2.4 g/t
|
1,761,000 oz
|
Proven & Probable
|
22.8 Mt
|
Silver
|
5.4 g/t
|
3,981,000 oz
|
Total Resource
|
28.4 Mt
|
Gold
|
2.4 g/t
|
2,164,000 oz
|
Total Resource
|
28.4 Mt
|
Silver
|
5.2 g/t
|
4,716,100 oz
|
Source:

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Corporate Filings & Presentations:
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