Inyanda lies within the boundaries of the Nkangala district municipality in Mpumalanga province, South Africa. The mine is some 14km north of the town of eMalahlen.

Two well-developed coal seams (no 1 and 2) are present in the Vryheid formation at Kalbasfontein. The coal seams are close to horizontal but dip gently in a southerly direction. Slight undulations are probably due to differential compaction.

The no 1 and no 2 coal seams are separated by gritty feldspathic sandstone that varies in thickness. The S1 and S2 coal seams consist mainly of dull coal with a few bright coal laminae. The top coal seam (S2) occurs over a smaller area than the bottom seam (S1) due to weathering that defines the sub-outcrop. The area between sub-outcrops of the seams may also contain some clay as overburden that originated from the weathering of the top coal seam. Resource estimation is based on the 2013 Minex geological model.

Coal is delivered by truck to Inyanda Coal Mine.

Mining was already conducted on-site and have ceased. No other available mining reserves have been identified to date.

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