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South Africa
Strathrae Mine

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 Location:
30 km SW from Belfast, South Africa

  Regional Office:
Roger Dyason Road
PO Box 9229
Pretoria West
South Africa
0183
Phone  ...  Subscription required
Fax+27 12 323 3400
WebsiteWeb
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  • Overview
  • Owners
  • Geology
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Overview

StatusClosing / Closed
Mine TypeOpen Pit
Commodities
  • Coal (thermal)
Mining Method
  • Truck & Shovel / Loader
Processing
  • Wash plant
Strathrae is no longer operational. The mine is in closure.


Owners & OPERATOR

Source: p. 38
CompanyInterestOwnership
Universal Coal plc. 49 % Indirect
Ndalamo Resources (Pty) Ltd 51 % Indirect
Universal Coal and Energy Holdings South Africa (Pty) Ltd (operator) 100 % Direct
NBC (Pty) Ltd, is owned by UCEHSA (49%) and by Ndalamo (51%). NBC acquired 100% of the North Block Complex asset from Exxaro in March 2018 for an acquisition price of R170 million and a bank guarantee of 10% of the value has been delivered to Exxaro.

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.


Mining Methods

  • Truck & Shovel / Loader


Summary:

Strathrae’s surface operation mines the No.2 Seam using the truck and shovel mining method. ROM coal from the underground operations is transported to the plant by a conveyor belt. The thermal coal and high grade coal plants each have a capacity of 300tph. Strathrae’s plant, with 130ktpm capacity, is a beneficiation plant producing export quality coal.


Crushing and Grinding


Processing

  • Wash plant

Source: Subscription required



Reserves at December 1, 2015:

CategoryTonnage Commodity
Measured 5 Mt Coal (thermal)


Heavy Mobile Equipment:

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Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2018
................................... Subscription required 2018
................................... Subscription required 2018
Year-end Mineral Reserves 2010
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Aerial view:

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