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Location: 149 km E from Johannesburg, South Africa
467 Fehrsen Street BrooklynPretoriaSouth Africa0181
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The New Clydesdale Colliery (NCC) is located centrally on the southern boundary of the Witbank Coalfield.Maximum depth on the Project is ~ 120 metres (m) and the average depth in the opencast area is 29.35 m.The coal deposit that occurs on the Project Area can be classified according to the South African National Standard (SANS) 10320:2004 definitions as a multiple seam deposit type.In the Project Area only the S2U, S2L, S1, and S1A will be mined. The S1A is only present at an economically mineable thickness in the Roodekop area. 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.In the Roodekop resource areas, the S4U and S4L are present towards the eastern boundaries but due to its depth and thickness, these two seams are uneconomical to mine. In the Middeldrift area, the S4U and S4L are thicker and can be mined economically. 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 Roodekop/ Diepspruit 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 towards 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.
