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South Africa
Khwezela North (Landau) Mine (Khwezela Operation)

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 Location:
6 km SW from Emalahleni, South Africa

  Address:
Private bag X7275
Witbank
South Africa
1035
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Coal (thermal)
Mining Method
  • Truck & Shovel / Loader
  • Dragline
Mine Life7 years (as of Jan 1, 2022)
Khwezela North (previously known as Landau) consists of the current operating Navigation pit as well as the Kromdraai and Umlalazi pits, which are currently being rehabilitated. The Clydesdale SACE life extension project lies on the southern boundary of the Landau MR. Coal Resources are not reported for this project due to current environmental permitting considerations.


Owners

Source: p. 29,162
CompanyInterestOwnership
Thungela Resources Limited 90 % Indirect
Ownership Tree
Thungela Resources Limited holds 90% of the Khwezela North in South Africa with the remaining 10% held collectively by an employee partnership plan and a community partnership plan.

Contractors

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Deposit Type

  • Sedimentary


Summary:

Khwezela North is located in the Witbank Coalf ield where f I've coal seams are present. These consists of, from bottom, the No 1 Seam, sequentially to the No 5 Seam at the top and all contribute to the resource and reserve base. At Navigation pit, all seams, with the exception of the No 3 Seam, to a greater or lesser extent, have previously been mined underground, with the select portion of the No 2 Seam mined most extensively. The No 4, 2 and 1 Seams currently contribute to the colliery’s export product. Washouts have been intersected in the north where the coal seams have been eroded by palaeo-rivers, with the resultant channels filled with clastic sediments. The edges of the washouts are irregular due to differential compaction. Northeast – southwest trending floor rolls are also encountered. Both the No 1 and the No 2 Seam occur, separated by the No 1 Seam parting (P1). The floor to the No 1 Seam consists of a thin carbonaceous shale band, which conformably overlies a reworked tillite of the Dwyka Formation. The No 1 Seam is present over the majority of the Navigation area and has been previously mined via underground workings (bord and pillar). It averages 1.27 m thick but reaches a maximum thickness of 2.63 m. The P1 is variable in thickness, ranging from zero to 4.20 m with an average thickness of 1.74 m. The No 2 Seam is present across the entire Navigation area; the select portion of the seam ( the Number 2 Seam Select, S2S) has been previously mined by undergro ........


Mining Methods

  • Truck & Shovel / Loader
  • Dragline


Summary:

The Navigation pit is an opencast operation with a pre-strip operation allocated to a truck and shovel fleet. The overall stripping ratio is low compared to other similar opencast operations. The main operational risks are the potential for spontaneous combustion in the old workings. The primary mining equipment includes a dragline, hydraulic shovels, haul trucks, overburden drills and a coaling drill, and is supported by the necessary ancillary equipment. The main boxcut is in the north of the pit near the railway line where the overburden is the shallowest. The boxcut is constrained by available spoil space and will be developed in two parts. The third boxcut will be developed once space has been made by completing some of the multi-stage mining operations. The LOM is estimated at seven years and the total ROM reserves at 32.5Mt. Inferred Coal Resources of 4% (equivalent to 1.2Mt reserves) are included in the LOM plan. The mine design is planned to maximise the use of the dragline excavating the interburden material between the No 2 and No 4 Seams. The remaining material above the No 4 Seam and the No 5 Seam, which is a combination of soft and hard overburden, is excavated with a truck-shovel fleet. This process material allocation allows the pre-strip and No 5 Seam to be in advance of the dragline operation whilst allowing the maximum use of the dragline, which is the most cost-effective method of interburden removal. The large degree of underground workings dictate ........


Crushing and Grinding
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Processing

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Summary:

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Production:

CommodityUnits201620152014
Coal (thermal) t 4,317,8004,268,7004,178,400
All production numbers are expressed as clean coal.

Operational Metrics:

Metrics202220212020
Coal tonnes mined  ......  Subscription required  ......  Subscription required2.4 Mt of ROM coal
Plant annual capacity  ......  Subscription required  ......  Subscription required6 Mt
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Reserves at December 31, 2022:

CategoryTonnage CommodityMarketable Coal
Proven 29.2 Mt Coal (thermal) 12.6 Mt
Probable 2.1 Mt Coal (thermal) 0.7 Mt
Proven & Probable 31.3 Mt Coal (thermal) 13.3 Mt
Measured 11 Mt Coal (thermal)
Indicated 4.5 Mt Coal (thermal)
Measured & Indicated 15.5 Mt Coal (thermal)
Inferred 3.2 Mt Coal (thermal)


Water Supply
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Heavy Mobile Equipment as of December 31, 2020:
HME TypeModelSizeQuantity
Dozer ....................... Subscription required
Dragline ....................... Subscription required 56 cu. m ....................... Subscription required
Drill ....................... Subscription required ....................... Subscription required
Drill ....................... Subscription required ....................... Subscription required
Excavator ....................... Subscription required ....................... Subscription required
Loader (FEL) ....................... Subscription required ....................... Subscription required
Loader (FEL) ....................... Subscription required 30 cu. m
Shovel ....................... Subscription required ....................... Subscription required
Shovel ....................... Subscription required 33 cu. m ....................... Subscription required
Truck (dump) ....................... Subscription required 91 t ....................... Subscription required
Truck (haul) ....................... Subscription required 81 t ....................... Subscription required
Truck (haul) ....................... Subscription required 40 ....................... Subscription required
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 12, 2023
....................... Subscription required ....................... Subscription required Subscription required Jun 12, 2023
....................... Subscription required ....................... Subscription required Subscription required Jun 12, 2023
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Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Year-end Mineral Reserves 2016
Annual Report 2015
Environmental Assessment 2015
Other 2015
Year-end Mineral Reserves 2015
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