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Location: 12 km S from Emalahleni, South Africa
Farm, District: Kromdraai 279 JSPrivate Bag X7275EmalahleniSouth Africa1035
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Thungela Resources Limited holds 90% of the shares in SACO. The Sisonke Employee Empowerment Scheme and the Nkulo Community Partnership Trust, which are controlled by the Group, hold 10% collectively of the shares in SACO.
Thungela Operations Proprietary Limited directly owns 100% of SACO.
Khwezela South is located in the Witbank Coalfield where five coal seams are present. These consist of, from bottom, the No 1 Seam, sequentially to the No 5 Seam at the top and are all, with the exception of the No 3 Seam, part of the resource base. A small graben with a 10m throw lies to the northeast of the Bokgoni 2A pit. No major dolerite intrusions have been encountered.The No 1 Seam averages 2.0 to 2.5 m in thickness and is generally of good quality, able to produce a steam coal of 27.40 MJ/kg at yields greater than 60%. The Number 1 Seam Roof (S1R) coal is of lower grade with lower yields and is only mined when the No 1 Seam is destined for the local power station market. In places, the seam may be too thin to mine.The P1 parting between the No 2 and No 1 Seams is between 1.5 and 4.0 m thick and consists of sandstone. The No 2 Seam is developed over almost the entire Bokgoni area, subcropping to the north of the Bokgoni Pit. The seam varies in thickness from five to eight metres, averaging six metres. The seam is subdivided into subseams, generally based on quality. The highest quality coal occurs in the middle of the seam (the S2S), with duller coal above and below it.The No 3 Seam, although of good quality, is thin (approximately 30 cm) and has not been mined; it is used as a marker horizon. The quality of the No 4 Seam is highly variable across Bokgoni, with poorer quality coal in the west where the P4L parting occurs. The thin, upper portion of the seam (the S4) is of a higher quality, while the lower split below the parting, is of poorer quality. Higher grade coal is found in the east. The average seam thickness is 2.2 m. The No 5 Seam is on average, 1.5 m thick and is found in the deeper areas of Bokgoni.
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The Bokgoni 2A pit and the Khwezela Mineral Residue Deposit (MRD) comprise the Khwezela South section. The Bokgoni Pits has a Bokgoni Coal Handling Preparation Plant (CHPP). The plant treated the better-quality coal from a number of seams to produce an export coal of 6,000 kcal/kg NCV (AR) and processed roof coal or Mineral Residue Deposit (MRD) material to produce a middlings coal of 5,100 kcal/kg NCV (AR).No coal processing has taken place at the Bokgoni CHPP since the mine was placed on care and maintenance in 2021.From 2021 to 2023, coal mined at Khwezela South from the declared RoMP was trucked to Isibonelo Colliery, where it was blended with in-pit coal at a ratio of 1:6 and then sold to Sasol Synfuels Operations.
