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Location: 149 km E from Johannesburg, South Africa
467 Fehrsen Street BrooklynPretoriaSouth Africa0181
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The Project is located centrally on the southern boundary of the Witbank Coalfield.All of the known coal deposits in South Africa are hosted in sedimentary rocks of the Karoo Basin, a large retro-foreland basin which developed on the Kaapvaal Craton and filled between the Late Carboniferous and Middle Jurassic periods.The seams are relatively flat lying and due to the increase in surface elevation, there is an increased depth to the top of the seams towards the east of the Project Area and towards the west in the Middeldrift area. No major faults or dolerites have been identified. However, a plot of the S1A floor elevation indicates a possible southeast to northwest trending fault resulting in a basement high. This fault lies close to the boundary between the farms Roodekop and Diepspruit in the western part of the Project Area. The fault has downthrown the seams to the south by ~ 10 m and most likely cuts off the S1A towards the northeast. Roodekop is located centrally and close to the southern extent of the Witbank Coalfield. The boundaries between the individual coalfields are based largely on historical and geographic considerations and not necessarily on real geological differences.The NCC Project is underlain by the sandstone, shale, and coal of the Ecca Group and tillite of the Dwyka Group. The underlying rock is pre-Karoo basement and consists predominantly of rhyolites and interbedded mudstone and sandstone of the Rooiberg Group, Transvaal Supergroup. These pre-Karoo basements outcrop to the west and south of Roodekop, and affected the lower most coal seams underlying NCC Project Area.The NCC Project area may be classified as a multiple seam deposit type and hosts five seams, namely the No. 5, No. 4, No.3, No. 2 and No. 1, of which the No 4, No. 2, No.1 and No. 1A seams are of economic interest.
