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South Africa
Matla Mine

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 Location:
16 km W from Kriel, South Africa

  Address:
Private Bag X5006
Kriel
South Africa
2271
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeUnderground
Commodities
  • Coal (thermal)
Mining Method
  • Shortwall mining
  • Continuous
  • Bord-and-pillar
Production Start...
Mine Life3 years (as of Jan 1, 2021)
Matla mine has three valuable mine expansion projects in various stages of implementation. Together these development projects contain an estimated 83% of Matla’s Coal Reserve, illustrating their significance in the future of the operation. Timely funding and subsequent project execution are vital. Some delays have placed the operation under pressure to identify additional ground for the various mining teams until delays are addressed, which they achieved.


Owners

Source: p. 23,62
CompanyInterestOwnership
Exxaro Resources Ltd. 100 % Indirect

Contractors

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Deposit Type

  • Sedimentary


Summary:

The coal deposit at Matla forms part of the Highveld coalfield. The coal seams are found in the Vryheid formation of the Karoo Supergroup. The stratigraphy sequence in the Matla area includes five coal seams that can be easily correlated with seams found in the Witbank coalfield. Coal seams in the area are generally flat and continuous, with subsequent igneous activity resulting in displacements and devolatilisation of coal seams at places.

The principal economic seams currently exploited are S2 and S4, with mining of seam 5 (S5) terminated in 1998 due to high levels of contamination and subsequent increase in abrasive index. The Matla mining area is characterised by two distinct dolerite types, the B8 (porphyritic) and B4 (olive-rich) types which have varying effects on seam displacements and coal burning and devolatilisation. A dolerite sill with an average thickness of 10m is generally found above S5 in mine 2 and 3, however, the sill intersects the coal seams and underlies S2 in mine 1 and S4 on the south-western part of the Reserves. This sill has burned and devolatilised S2 on the southern part of the mining area in mine 1. Floor rolls have been encountered in S2 workings and created some challenges in some mining sections. The floor rolls strike NE-SW vary in width between 50m and 200m and have amplitudes up to 1.5m. The floor rolls are more prominent if the seam floor is close to the basement contact. Sandstone lenses encountered are generally less than 0 ........


Mining Methods

  • Shortwall mining
  • Continuous
  • Bord-and-pillar


Summary:

Matla comprises three underground production facilities: mine 1, mine 2 and mine 3. All three are long-life assets, each with a specific operating capacity comprising conventional coal circuits to produce bituminous coal. Work at mine 1 was stopped in 2015 due to pillar instability but an Eskom-approved project to relocate mine 1 access is currently in the implementation phase. Mine 2 and mine 3 use both bord-and pillar and shortwall methods to mine seam 2 (S2) and seam 4 (S4) coal seams.

Matla extracts 2 seam select and the lower-quality but somewhat thicker 4 seam in a specific scheduled relationship to blend and honour the volume and quality requirements of the Eskom agreement. It is therefore of the utmost importance to have adequate access to quality Coal Reserves to ensure the correct volumes are scheduled for the short, medium and long-term strategies. Both coal seams’ mineable Reserves are rapidly diminishing within mines 2 and 3 and the unfortunate closure of Mine 1 due to pillar instability in 2015 placing a burden on the operation to comply with contractual expectations. However, Exxaro has, since closure of Mine 1, accelerated exploration and outlined 2 seam and 4 seam Coal Resources that will be accessed through either new or existing infrastructure.

During this time, annual mining targets were supplemented by the identification of additional potential mineable areas, prioritising exploration activities, and through innovative and adaptable ........


Crushing and Grinding


Processing

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Summary:

- subscription is required.


Production:

CommodityUnits202120202019201820172016
Coal (thermal) Mt  ......  Subscription required  ......  Subscription required  ......  Subscription required6.67.47.9
All production numbers are expressed as ROM coal.
Subscription required - Subscription is required.

Operational Metrics:

Metrics2021202020192018
Coal tonnes mined  ......  Subscription required  ......  Subscription required5.99 Mt of ROM coal6.7 Mt of ROM coal
Subscription required - Subscription is required.

Reserves at December 31, 2021:
Average thickness cut-off <=1.8m and =>4.8m

CategoryTonnage CommodityMarketable Coal
Proven 124 Mt Coal (thermal)
Probable 38 Mt Coal (thermal)
Proven & Probable 162 Mt Coal (thermal) 162 Mt
Measured 639 Mt Coal (thermal)
Indicated 114 Mt Coal (thermal)
Inferred 93 Mt Coal (thermal)
Total Resource 847 Mt Coal (thermal)

Financials:

Units20202019
Revenue M ZAR  ......  Subscription required  ......  Subscription required
EBITDA M ZAR  ......  Subscription required


Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 12, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 12, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 12, 2022
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Staff:

Total WorkforceYear
Subscription required 2021
Subscription required 2019

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Year-end Mineral Reserves 2017
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Subscription required - Subscription is required.

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