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Location: 73 km E from Emalahleni, South Africa
The conneXXion 263B, West Avenue Die HoewesCenturionSouth Africa0163
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Belfast mine is on the far eastern edge of the Witbank coalfield. The coalfield extends about 190km east-west between the towns of Springs and Belfast, and about 60km in a north-south direction between the towns of Middelburg and Ermelo.The Witbank coalfield has up to five coal seams in the middle Ecca group sediments of the Karoo supergroup. The Karoo sequence in the area is represented by the Dwyka formation and the middle Ecca with little or no lower Ecca development. The middle Ecca sequence of coal horizons, interbedded with sediments, is highly truncated due to erosion with only very minor areas where the full sequence is developed.Main seams: S2, S3 and S4 are exploited where economical.Locally, mainly three seams are targeted (S2, S3 and S4). S5 was intersected in only a few drill holes in the northern part of the project area. S2, the most prevalent seam, is consistently developed, except in areas where it has been eroded. It has an average thickness of 2.6m and gently dips to the south. S3 and S4 are sporadically developed due to erosion and both have an average thickness of 1.0m.Due to the mine’s proximity to the northern edge of the Witbank basin, the primary control of coal development is the current weathering surface. The deposit is divided by a perennial stream, into two resource blocks under two distinct spurs in the surface topography. There is no indication of pertinent faulting from the drill hole information, but potential intrusions of dolerite dykes are outlined by regional airborne magnetics, indicating the possible occurrence of regional north-south trending dykes.There are no known geological structures that may affect the geology or coal seam continuity.
