ongon is an open pit operation that utilises conventional mining methods. The plant comprises gravity concentration, flash flotation and carbon-in-leach (CIL) circuits. Plant capacity was increased in 2013 from 3.6Mt/a to 4.2Mt/a. Tongon produced 289koz of gold in 2017. Randgold Resources expects continued mining from the SZ and NZ pits until 2019 and 2020 respectively. The company continues to focus on near mine exploration activities to extend mine life.