GEOLOGY MINERAL RESOURCES OF SRILANKA
May 26, 2015· The rock phosphate deposit in Sri Lanka is at Eppawala in the Anuradhapura District. This deposit covers on area over km2 and the estimated quantity is over 50 million tons. The P2 O5 content of this apatite is around 35%, but its solubility is low to use as a phosphate supplement for short term crops like paddy.