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Serbia
Jadar Project

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 Location:
140 km SW from Belgrade, Serbia

  Project Contacts:
4 Gimnazijska Street
Loznica
Serbia
15300
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Overview

StatusInactive / Suspended
Mine TypeUnderground
Commodities
  • Lithium
  • Borate
  • Sodium sulphate
  • Li2O
  • B2O3
Mining Method
  • Cut & Fill
  • Bench stoping
Mine Life40 years (as of Jan 1, 2021)
In January 2022, the Government of Serbia cancelled the Spatial Plan for the Jadar project and required all related permits to be revoked.

Rio Tinto continues to explore options with all stakeholders on how to progress this world-class opportunity to the highest environmental standards.


Owners

Source: p. 12
CompanyInterestOwnership
Rio Tinto plc Indirect
Rio Sava Exploration d.o.o. (Rio Sava), a fully owned subsidiary of Rio Tinto Energy and Minerals Product Group, is the legal owner of the Jadar Project.

Contractors

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Deposit Type

  • Sedimentary


Summary:

The Jadar deposit, discovered in 2004 in western Serbia, is a concentration of lithium and boron in a mineral new to science named jadarite, LiNaSiB3O7(OH). The deposit is located in a valley with flat-lying farmland covering a surface area of 3.0 km by 2.5km. Known lithium and borate mineralisation lies at depths from 100 m to 720 m below surface.

The mineralization is hosted in a lacustrine sedimentary sequence of Miocene age dominated by calcareous claystones, siltstones, sandstones and clastic rocks (about 400 m to 500 m thick). The sequence dips to the north at between 0 and 25 degrees or more, but typically between 5 and 10 degrees, and it includes several thin tuff beds that provide valuable marker horizons for stratigraphic correlation. Miocene sediments lay unconformable on a basement of Cretaceous age.

The deposit includes three types of mineralization occurring as stratiform lenses of variable thickness, and hosted in gently dipping sequence of mainly fine-grained sediments that is dissected by faults:

- Jadarite LiNaSiB3O7(OH) mineralization, new to science and so far unique to this deposit; occurs within a stratiform sedimentary lacustrine sequence with sub-horizontal beds of jadarite as rounded grains, nodules, or concretions generally in the range 1 mm to 10 mm in a siltstone/mudstone matrix. Jadarite is mainly concentrated in three gently dipping tabular zones known as the Upper, Middle and Lower Jadarite Zones (UJZ, MJZ and L ........


Mining Methods

  • Cut & Fill
  • Bench stoping


Summary:

The orebody will be extracted using underground mining methods which are variants of cut and fill, and bench stoping. Mining panels were generated on regular grids within each structural zone. Internal to these panels, individual mining stopes and associated development accesses were created for interrogation and scheduling.

The underground mine will be accessed via a twin shaft system located outside the Jadar River floodplain to the southwest of the LJZ. The main production shaft will be 8.5 m diameter and equipped with two 9 t skips capable of hoisting a peak 7,200 t/day of ore and rock waste material.


Crushing and Grinding
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Processing

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Summary:

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Projected Production:

CommodityProductUnitsAvg. Annual
Lithium Carbonate t 58,000
Borate Acid t  ......  Subscription required
Sodium sulphate Salt t  ......  Subscription required


Reserves at December 31, 2022:

CategoryTonnage CommodityGradeContained Metal
Indicated 85 Mt Li2O 1.76 %
Indicated 85 Mt B2O3 16.1 % 14 Mt
Measured & Indicated 85 Mt Li2O 1.76 %
Measured & Indicated 85 Mt B2O3 16.1 % 14 Mt
Inferred 58 Mt Li2O 1.87 %
Inferred 58 Mt B2O3 12 % 7 Mt
Total Resource 144 Mt Li2O 1.8 %
Total Resource 144 Mt B2O3 14.6 % 21 Mt



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Mar 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 17, 2023
....................... Subscription required ....................... Subscription required Subscription required Mar 17, 2023
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Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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