About 15 of phosphate reserves are found in volcanic extrusive igneous rocks. These reserves are found in Russia, Finland, South Africa and Brazil. Most phosphate reserves are from sedimentary rocks. The phosphate forms in the shallow oceans mainly due to bacterial activity, but only when several conditions are met. Their formation is pretty

The Effect Of The Phosphate Mining On South African Economy. Aug 25, 1987 · Mining Is Still Key to South African Economy in gold prices still have a large effect on the overall economy. South Africa's Mining Industries The South African economy has, in recent years, succeeded in reducing its dependency on

Ball mill machine is widely used to process cement, silicate product, building material, refractory material, fertilizer, ceramics and glass, etc. grade here averages only 66 p 2 o 5 from which a 375 p 2 o 5 concentrate is produced with a 613 beneficiation rate in south africa the state controls the phosphate producer foskor which mines the

Aug 18, 2017· Phosphate is mainly used as a fertiliser in agriculture, however, the technology used is unknown and there is no benchmark to understand what the impacts may be, potential destruction of the seabed may serve to undermine marine ecosystems, tourism and to