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The Jwaneng Diamond Mine diatremes have intruded the late Archean to early Proterozoic mixed siliciclastic – carbonate sediments of the Transvaal Supergroup. The structural geology of the country rock at Jwaneng Mine indicates that the area has been subjected to at least three deformational events. The first deformation (D1) is NW-SE directed compression which resulted in NE trending open folds (F1) and low angle thrust faults that tend to dissipate into bedding. The second deformation (D2) is NS shortening that resulted in sinistral, oblique shearing along the pre-existing radial cleavage developed around the F1 folds coupled with development of antithetic structures and NW-trending folds, (F2). The third deformational event, D3 is an NE-SW extensional deformation leading to development of normal faulting along pre-existing F1 cleavage creating a series of wedge shaped fault-bounded blocks. The normal faulting was coupled with rotation of blocks towards the N resulting high dip value on the eastern slopes daylighting in to Jwaneng mine open pit. (Creus, et al., 2017) in prep

Slope stability challenges and solutions for mining Kimberlite resources hosted in structurally complex country rock: dip slope mining at Jwaneng mine, Botswana