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South Africa
Grootegeluk Mine

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 Location:
18 km W from Lephalale, South Africa

  Address:
Nelson Mandella Ln, Ellisras,
Lephalale
South Africa
0555
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WebsiteWeb
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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
  • Coal (thermal)
  • Coal (metallurgical)
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life20 years (as of Jan 1, 2021)
Grootegeluk is acknowledged as one of the largest integrated mining and beneficiation operations globally.

Exxaro manages the Grootegeluk complex, which includes Grootegeluk and the adjacent Thabametsi mining rights.

The GG6 expansion project’s new small coal plant has been completed with commissioning of all four modules in progress. The construction work of phase 1 within the Grootegeluk plant is complete and producing coal. Construction for phase 2 is forecast to be completed by the fourth quarter of 2021. The last two product beds have been handed over to the Grootegeluk operations. The project forecast final cost remains in line with the approved project budget.


Owners

Source: p. 22,23
CompanyInterestOwnership
Exxaro Resources Ltd. 100 % Indirect

Contractors

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Deposit Type

  • Sedimentary


Summary:

Grootegeluk is located in the Waterberg coalfield and the coal seams are from the Volkrust and Vryheid formations.

The upper part of the coal deposit, the Volksrust Formation (approximately 60m thick) is classified as a thick interbedded seam deposit type, comprising intercalated mudstone or carbonaceous shale and bright coal layers. The Vryheid Formation (approximately 55m thick) forms the lower part of the coal deposit and comprises carbonaceous shale and sandstone with interbedded dull coal seams varying in thickness from 1.5m to 9m. It is therefore classified as a multiple-seam deposit type.

The Zoetfontein fault forms the boundary of the Waterberg coalfield in the north while the Eenzaamheid fault forms the boundary in the south. The Daarby fault, with a throw of some 350m, divides the coalfield into a deep north-eastern portion and a shallow south-western portion. The first fresh coal in the shallow south-western portion is on average 20m below surface. The lowermost coal seam (zone 1) occurs at a depth of about 130m in the shallow portion of the coalfield but this may vary depending on the local structure (Figure 16). The predominantly horizontal coal-bearing formations have a very gentle dip to the south-east near Grootegeluk. Only a few dolerite dykes outcrop in the south-eastern portion of the Waterberg coalfield and no sills have been encountered in any exploration boreholes drilled in the mine right area to date.

The upper part of ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

Grootegeluk comprises of one open-pit mine, which includes two overburden benches, nine RoM benches and three interburden benches. A series of parallel benches are advanced progressively across the deposit via a process of drilling, blasting, loading and hauling with truck-and-shovel fleets. RoM is transported to the Grootegeluk beneficiation complex via haul trucks and in-pit crushing and conveying systems.

The geological model of Grootegeluk is updated every second year, and information from drilling campaigns in 2017/2018 was included in a geological model update, which is currently being used for the review of the Grootegeluk exploitation strategy. The strategy is considering several potential optimisation scenarios, including a review of the current pit turnaround and backfill strategies as well as the bench definitions to optimise bench height for floor control and decreasing mining losses. The Grootegeluk integrated water use management strategy is progressing well in addressing all water-related aspects to provide a strategy for the optimal use of water throughout the value chain. This project will integrate with the exploitation strategy and is expected to enhance water use and water accumulation within the pit significantly. A study initiated in 2018 to review mining of the significant amount of overburden is in progress. The project investigated a number of options to replace the existing load-and-haul mining method with a more cost-effective alternativ ........


Crushing and Grinding


Processing

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Summary:

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Production:

CommodityUnits2022202120202019201820172016
Coal (thermal) Mt  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required272321
Coal (metallurgical) Mt  ......  Subscription required ^  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
All production numbers are expressed as clean coal. ^ Guidance / Forecast.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202120202019201820172016
Coal tonnes mined  ......  Subscription required  ......  Subscription required56.2 Mt of ROM coal57.2 Mt of ROM coal51.4 Mt of ROM coal43.7 Mt of ROM coal
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Reserves at December 31, 2021:
Quality cut-offs <= 65% ash content.

CategoryTonnage CommodityMarketable Coal
Proven 1,682 Mt Coal (metallurgical & thermal)
Probable 898 Mt Coal (metallurgical & thermal)
Proven & Probable 2,580 Mt Coal (metallurgical & thermal) 1,057 Mt
Measured 2,481 Mt Coal (metallurgical & thermal)
Indicated 1,421 Mt Coal (metallurgical & thermal)
Inferred 338 Mt Coal (metallurgical & thermal)
Total Resource 4,240 Mt Coal (metallurgical & thermal)

Financials:

Units2020
Sustaining costs M ZAR  ......  Subscription required



Heavy Mobile Equipment:
HME TypeModelQuantityStatusRef. Date
Drill ....................... Subscription required Existing Jul 12, 2022
....................... Subscription required ....................... Subscription required ....................... Subscription required Proposed Dec 31, 2021
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 11, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 11, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 11, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 11, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 11, 2022
....................... Subscription required ....................... Subscription required Subscription required Jul 11, 2022
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Staff:

EmployeesYear
Subscription required 2021
Subscription required 2019

Corporate Filings & Presentations:

DocumentYear
Other 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Integrated Report 2018
Year-end Mineral Reserves 2018
Integrated Report 2017
Year-end Mineral Reserves 2017
Integrated Report 2016
Year-end Mineral Reserves 2016
Integrated Report 2015
Year-end Mineral Reserves 2015
Integrated Report 2014
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