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Bosnia and Herzegovina
Omarska(Ljubija) Mine

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 Location:
25 km SE from Prijedor, Bosnia and Herzegovina

  Regional Office:
Akademika Jovana Raškovica 1
Prijedor
Bosnia and Herzegovina
79101
Phone  ...  Subscription required
Fax+387-52-244-141
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Iron Ore
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life7 years (as of Jan 1, 2022)
In 2022, ArcelorMittal Prijedor acquired additional mining and land rights and started iron ore mining at Ljubija Mine. Product from Ljubija mine is mixed with the product from Omarska mine and is supplied to ArcelorMittal Zenica steel plant.


Owners

Source: p. 112,116,131
CompanyInterestOwnership
RZR Ljubija a.d. Prijedor 49 % Indirect
ArcelorMittal SA 51 % Indirect
ArcelorMittal Prijedor (operator) 100 % Direct
The Omarska mine is a production stage surface iron ore mine in Bosnia and Herzegovina, operated by ArcelorMittal Prijedor.

The mine is a joint venture in which ArcelorMittal owns 51% and the other 49% is owned by the local iron ore mine Ljubija.

Contractors

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Deposit Type

  • Skarn
  • Hydrothermal


Summary:

The Omarska deposit was originally comprised out of three ore bodies: Jezero, Buvac and a small ore body known as Mamuze. Ore reserves from Jezero and Mamuze have already been fully excavated. Since 2011, only the Buvac pit is in operation. It is formed within a carboniferous clastic and carbonate sediments. The genesis of this deposit is attributed to hydrothermal replacement and syn-sedimentary processes. The ore body is mainly composed of limonite-goethite mineralization, which was formed during weathering and oxidization of the primary siderite bodies. The Buvac deposit at Omarska mine is located within Carboniferous clastic (shale and sandstones) and carbonate (limestone, dolomite, and ankerite) sequences, with massive siderite-limonite mineralization forming an integral part of the formation. Iron ore from the Buvac deposit is predominantly limonite-goethite with associated quartz, carbonates, and silicates of the illite type. The limonite-goethite mineralization was formed during the oxidization of the upper parts of the primary siderite bodies. The ore body is asymmetrical, lens-shape and elongated in a northeast - southwest direction, dipping at about 8° toward the north-east from the surface to a depth of 210 meters. The deposit is approximately 1.5 kilometer long and 1.0 kilometer wide. The Ljubija deposit is located within Carboniferous and Permian-Triassic formation rocks which are partly covered by thin Quaternary rocks. The ore within these formations is pri ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The ore is excavated from the Omarska and Ljubija deposits by traditional truck and shovel open pit mining methods.

The Omarska mine is a production stage surface iron ore mine in Bosnia and Herzegovina. After a primary stage of crushing within the pit, the ore is transported to a processing plant via a conveyor.


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2022202120202019201820172016
Iron Ore Mt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required1.41.61.8
All production numbers are expressed as concentrate & lump.
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Operational Metrics:

Metrics202220212020201920182017
Ore tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required1.9 Mt1.9 Mt2.2 Mt
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Reserves at December 31, 2022:
Mineral reserve for ArcelorMittal Prijedor is estimated based on a price of $39.9 per tonne of product calculated based on assumptions of a non-marketable material supplied to its integrated steel plant, at 32% Fe cut-off grade and mass recovery of 75%

Mineral resources for ArcelorMittal Prijedor are estimated based on assumptions of a non-marketable material supplied to its integrated steel plant, at 30% Fe cut-off grade and mass recovery of 75%.

CategoryTonnage CommodityGrade
Proven 2 Mt Iron 45.8 %
Probable 11.8 Mt Iron 41.5 %
Proven & Probable 13.8 Mt Iron 42.1 %
Indicated 7.8 Mt Iron 30.8 %
Inferred 2 Mt Iron 31.8 %


Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Mar 22, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 22, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 22, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 22, 2023
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Staff:

EmployeesYear
Subscription required 2022
Subscription required 2020

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
Annual Report 2018
Annual Report 2017
Form 20-F 2016
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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