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South Africa
North Block Mine

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 Location:
3 km W from Belfast, South Africa

  Regional Office:
467 Fehrsen Street Brooklyn
Pretoria
South Africa
0181
Phone  ...  Subscription required
Fax+27-(0)-12-460-2417
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Financials
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Coal (thermal)
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life8 years (as of Jan 1, 2022)
North Block Complex (NBC) consists of three mining sections namely Eerstelingsfontein, Glisa and Paardeplaats.


Owners

Source: p. 11,114
CompanyInterestOwnership
TerraCom Ltd. 49 % Indirect
Ndalamo Resources (Pty) Ltd 51 % Indirect
North Block Complex is owned jointly by Ndalamo Resources (Pty) Ltd (Ndalamo) and Universal Coal and Energy Holdings South Africa (Pty) Ltd (UCEHSA).

Contractors

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Deposit Type

  • Sedimentary


Summary:

The coal measures of the North Block Complex occur on the eastern edge of the Witbank coalfield, within the Permian-age Vryheid formation of the Ecca Group in the Karoo Sequence. The Witbank coalfield is situated in the northern part of the Main Karoo basin and extends about 190km west-east between Brakpan and Belfast and about 60km north-south between Middelburg and Ermelo.

The main Karoo Basin:
- Was filled between the Late Carboniferous and Middle Jurassic periods;
- It is lithostratigraphically subdivided into the Dwyka, Ecca and Beaufort Groups, succeeded by the Molteno, Elliot and Clarens Formations and the Drakensburg Formation (volcanics);
- The coal bearing Ecca Group has been divided into three sub-units: the Pietermaritzburg; Vryheid and Volksrust Formations.

The Witbank Coalfield:
- The coal-bearing Vryheid Formation attains a thickness of 70m to 200m in the Witbank Coalfield;
- Here the Vryheid Formation consists of five coarsening-upward sequences with coal seams associated predominantly with the coarser grained fluvial facies at the top of each sequence;
- The No. 5, 4, 2 and 1 coal seams are of economic interest.

NBC (Glisa) mine resource area is close to the eastern edge of the Witbank Coalfield, in the northern part of the main Karoo basin. All Witbank Coalfield seams, i.e. S1, S2, S3, S4 and S5, occur in the Glisa area, with S2, S3 and S4 being economically important. Stratigraphy consists pred ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The primary operation is the Glisa mine, a multi seam open-cast mining operation 5km west of Belfast in the Highveld region of Mpumalanga.

The Eerstelingsfontein block to the south-east of Glisa comprises gently sloping topography. The coal resource here is contained in a single seam, S2. This seam occurs as an erosional remnant on high ground at shallow depths, suitable for open-cast mining.

The Paardeplaats Section is an operational section that adjoins the Glisa Section. Mining is undertaken by opencast mining methods.

As RoM reduces at the Glisa Section, the shortfall will be addressed through coal mined at the Paardeplaats Section. The Paardeplaats Section is an open cast mining operation where bench mining techniques are employed to access the coal seams. The 2 Seam Burden is removed with Dozers doing roll-over of the 2 seam burden into the previous 2 seam voids, and the upper burden seams are removed with the truck and shovel mining method. Coal seams 4, 3 and 2 will be mined for processing. Seam 1 appears in certain areas only and is highly weathered and contaminated with inseam shales and is not suitable to mine and will be left in situ in the pit.


Crushing and Grinding


Processing

Source: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits202220212020201920172016
Coal (thermal) kt  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required2,9632,857
All production numbers are expressed as clean coal.
Subscription required - Subscription is required.

Operational Metrics:

Metrics2022202120202019
Stripping / waste ratio  ......  Subscription required  ......  Subscription required  ......  Subscription required9.21
Coal tonnes mined  ......  Subscription required  ......  Subscription required  ......  Subscription required2,049 kt of ROM coal
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Reserves at June 30, 2022:

CategoryTonnage CommodityMarketable Coal
Proven 29.7 Mt Coal (thermal)
Probable 11.3 Mt Coal (thermal)
Proven & Probable 41 Mt Coal (thermal) 22.5 Mt
Measured 74.6 Mt Coal (thermal)
Indicated 8.5 Mt Coal (thermal)
Inferred 5.3 Mt Coal (thermal)
Total Resource 88.4 Mt Coal (thermal)

Financials:

Units2022
Revenue M AUD  ......  Subscription required
Gross profit M AUD  ......  Subscription required
Pre-tax Income M AUD  ......  Subscription required
After-tax Income M AUD  ......  Subscription required
EBITDA M AUD  ......  Subscription required
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Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Oct 26, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 26, 2022
....................... Subscription required ....................... Subscription required Subscription required Oct 26, 2022
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required 2022
Subscription required Subscription required 2021
Subscription required Subscription required 2020
Subscription required 2019
Subscription required Subscription required Subscription required 2018

Corporate Filings & Presentations:

DocumentYear
Annual Report 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Annual Report 2018
Corporate Presentation 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Year-end Mineral Reserves 2017
Year-end Mineral Reserves 2016
Year-end Mineral Reserves 2015
Other 2010
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