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Indonesia
PT Citra Palu Minerals (Poboya) Mine

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 Location:
5 km NE from Palu, Indonesia

  Regional Office:
Bakrie Tower, 10th Floor Kompleks Rasuna Epicentrum Jl. H.R. Rasuna Said, Kuningan
Jakarta
Indonesia
12940
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Fax(+62-21)-5794-5687
EmailEmail
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit & Underground
Commodities
  • Gold
  • Silver
Mining Method
  • Truck & Shovel / Loader
  • Cut & Fill
Production Start...
Mine Life8 years (as of Jan 1, 2019)
Citra Palu Minerals (CPM) has rights to a 85.180 hectares mining concession in Central Sulawesi and South Sulawesi, Indonesia through a Contract of Work (CoW).

The 1st Carbon in Leach Plant (500 ton /day) in Poboya Block-I has been operational since Q1- 2020.

Plan to complete the 2 nd plant construction (4,000 ton /day) in Q3 2022.

Plan to complete the 3 rd plant construction (4,000 ton /day) in Q1 2024.

Expected 8 years production life based on 24 million tons ore reserve and 8,500 tons /day (3 million tons/ year) plant capacity (from Poboya, Block-I only).


Owners

Source: p. 27
CompanyInterestOwnership
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.

CPM currently operates one gold ore processing plant with 500 tons of ore per day capacity in its Poboya mine site.


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityUnits20212020
Gold kg  ......  Subscription required  ......  Subscription required
All production numbers are expressed as payable metal.
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Operational Metrics:

Metrics20212020
Daily processing capacity  ......  Subscription required  ......  Subscription required
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Reserves at April 1, 2022:

CategoryTonnage CommodityGradeContained Metal
Proven & Probable 8.52 Mt Gold 3.13 g/t 789,700 oz
Proven & Probable 8.52 Mt Silver 5.64 g/t 1,381,000 oz
Total Resource 17.86 Mt Gold 2.55 g/t 1,462,700 oz
Total Resource 17.86 Mt Silver 4.86 g/t 2,790,700 oz



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 25, 2022
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Corporate Filings & Presentations:

DocumentYear
Corporate Presentation 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
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