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Indonesia
Mandiri Mine

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 Location:
111 Km N from Palangkaraya, Indonesia

  Address:
Level 5, 56 Pitt Street
Sydney
New South Wales, Australia
2000
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Heavy Minerals
  • Zircon
  • Ilmenite
  • Rutile
Mining Method
  • Dredging
  • Truck & Shovel / Loader
Production Start...
Mine Life146 years (as of Jan 1, 2020)
Pyx Resources increased the production capacity of its Mineral Separation Plant (MSP) at its world-class Mandiri deposit in Central Kalimantan, Indonesia, from 18,000 tpa to 24,000 tpa, to enable the production of by-products, rutile, leucoxene and ilmenite in December 2021.


Owners

Source: p. 42
CompanyInterestOwnership
PYX Resources Ltd. 100 % Indirect
TAKMUR PTE. LTD. (operator) 100 % Direct
Takmur, a wholly owned subsidiary of the Company (PYX Resources Ltd.), has exclusive contractual rights to the operation and management of the Mandiri Project and Mandiri Plant.

Contractors

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Deposit Type

  • Alluvial / Placer
  • Mineral sands


Summary:

The HMS bearing strata of the Mandiri deposit is ancient Kahayan alluvium, which was deposited during the Holocene age. In general, alluvium has varying thickness of between 2 m and 10 m. The lithology consists of loose quartz, medium grained intercalated grey mudstone containing carbonaceous, shale and bed load stream product; coarse grain sand layer. Alluvium, Holocene age, pale black to dark brown peat (paludal deposit); loose sands, yellowish color, fine to coarse grained, unbedded (ancient Kahayan alluvium deposit); clay grey to brownish color, very soft, locally containing plant remains (tidal area); kaolinite clay. The thickness of this unit ranges from 50 to 100 m. Werukin Formation (Tmw), middle Miocene to Pliestocene, this formation comprises brownish black conglomerate, compact, clast consists of quartzite and basalt fragments, diametere 1 – 3 cm, open fabric with matrix of sand. Alternating with yellowist sandstone, medium to coarse grained, locally exhibit crossbedding. intercallated grey mudstone, rather soft, carbonaceous, contain sub-bituminus coal seam partly, appear as interbedded within sandstone bed with the thickness of 20 – 60 cm. The Werukin Formation has 300 m in thickness. Werukin Formation is deposited in a paralic environment. Werukin Formation is the one of main coal bearing Formation in Barito Basin. Geologically the HMS deposit at Mandiri is a placer deposit formed in a flood plain environment by concentration of heavy minerals, mostly zircon ........


Mining Methods

  • Dredging
  • Truck & Shovel / Loader


Summary:

Mineral Sands can be extracted with two main techniques: open cut mining and suction dredging.

Open Cut Mining Scrapers and bulldozers are used to dig higher quality resources including relatively hard minerals or layers, ensuring that the concentrate mined has a consistent combination. The scraper transports the material to a filtering facility, where it is crushed into 2mm granules. To eliminate tailings and extra clay particles, the filtered material goes through a complex series of spirals.

Suction Dredging
A dredge scoops mineral deposits from the bed of an artificial reservoir, that is built atop low-grade deposits to facilitate quick transportation of massive volumes of sand, and transports it to a separation facility via a suction pipe.


Crushing and Grinding


Processing

Flow Sheet: Subscription required

Summary:

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Production:

CommodityUnits2021202020192018
Zircon kt  ......  Subscription required  ......  Subscription required  ......  Subscription required3.4
All production numbers are expressed as concentrate.
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Operational Metrics:

Metrics20212020
Annual production capacity  ......  Subscription required  ......  Subscription required
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Reserves at December 31, 2020:
The Mineral Resources as at 31th December 2021 at Mandiri mine are unchanged from December 31, 2020.

Mineral Resources for the Mandiri HMS deposit are at a lower cut-off grade of 2%.

CategoryTonnage CommodityGradeContained Metal
Inferred 126 Mt Heavy Minerals 7 % 8.8 Mt
Inferred 8.8 Mt Zircon 68 % 6 Mt
Inferred 8.8 Mt Ilmenite 9.5 % 0.8 Mt
Inferred 8.8 Mt Rutile 8.5 % 0.8 Mt

Financials:

Units20212020201920182017
Capital expenditures M USD  ......  Subscription required  ......  Subscription required
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 4.8   1.2  
Gross profit M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Pre-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 0.4   0  
After-tax Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required 0.3   0  
EBIT M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
EBITDA M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
Operating Cash Flow M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required
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Heavy Mobile Equipment as of December 31, 2021:
HME Type
Bulldozer
Scraper

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Sep 16, 2022
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Corporate Filings & Presentations:

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