The Bokoni Mine is an operating mine located on the North-Eastern Limb of the Bushveld Igneous Complex (BIC). The platiniferous horizons of economic significance occur within the Merensky and the UG2 horizons. PGM mineralization is specifically located within the Merensky horizon and the UG2 horizon, which forms part of the Upper Critical zone of the Rustenburg Layered Suite.

The mining area is located within the Zeekoegat, Middelpunt, Umkoanesstad, Brakfontein and Klipfontein farms. The north-eastern portion of the mining area is located below a range of pyroxenite hills while the south-western portion of the mining area is below the valley floor and overlain by black turf.

Both horizons subcrop and in some instances outcrop in the project area along a 16.5 km strike length. The BIC layering dips from northeast to southwest at approximately 25° in the north-western areas (Zeekoegat), and gradually decreases to approximately 18° in the south-eastern area (Brakfontein). The general structural geology is characterized by northeast and east trending dykes and faults with associated conjugated joint sets.

The Merensky is a feldspathic pyroxenite reef horizon and is stratigraphically situated 350 m above the UG2 and is near the top of the Upper Critical Zone. The Merensky is located below the three to six meter thick Merensky Pyroxenite layer and above the Merensky Norite layers. Two thin chromite stringers are discontinuously developed with the u ........

Mining infrastructure includes two decline production shafts: Brakfontein for the extraction of Merensky ore and Middelpunt Hill for extracting UG2 ore. African Rainbow will consider using both existing shafts and plant infrastructure while investing in new infrastructure as part of our business plan to mechanise Bokoni. The new mine plan will focus on exploiting the UG2 resource with mechanised mining, where practical and sustainable, in new mining areas and target mainly on-reef development.

The mining operation consists of a vertical shaft and three decline shaft systems to access underground mine development on the Merensky a nd UG2 reef horizons. The Bokoni Mine has installed road, water and power infrastructure, as well as two processing concentrators, sufficient to meet its operational requirements up to completion of its first phase growth plans to reach 160 ktpm. The Bokoni Mine has an extensive shallow ore body, capable of supporting a life-of-mine plan that is estimated to exceed 22 years (as Bokoni’s mining license expires in 2038). Current mining operations are being conducted at shallow depths, on average 300m below surface. This benefits the Bokoni Mine’s operations in that there are no major refrigeration (and consequent power) requirements at shallower mining depths.

The older Vertical and UM2 shafts made use of conventional mining methods for narrow tabular ore bodies. Ore broken in stopes is transported laterally by means of track boun ........

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