2019-5-23 · which produced 33.7 Mt of iron ore in 2012, Thabazimbi mine : in Limpopo, with an output of 0.8 Mt, and Kolomela mine, also in the Northern Cape, produced 8.5 Mt during the year. Samancor Manganese, which is the world''s largest producer of seaborne manganese ore and is among the top three global producers of manganese alloy, is headquartered in