African Mining January 2020 | Page 56

 OPERATIONS Zimplats’ Mupani Mine. the Selukwe Complex, where Anglo American Platinum mines the Unki deposit, the Hartley Geological Complex where Zimplats owns the Hartley and Ngezi mines) and the Musengezi Complex. The ore body at Mimosa is shallow and mining commences at a depth of only 150m below surface and extends to a depth of approximately 200m. The bord and pillar mining method is employed and stoping widths average around 2m. Mining bords advance along the strike. The mining cycle involves mechanised support drilling and installation, mechanised face drilling, charging and blasting, and mechanised lashing onto a conveyor network to an underground bunker. From the bunker ore is conveyed out to a surface stockpile. 54  African Mining  January 2020 “The focus in 2020 will be on advancing the phased restructuring of Impala Rustenburg, while taking advantage of the operational improvements realised over the past year. www. africanmining.co.za