The mineralogy is defined according to the type of formation where we: reworked phosphates on interface Eocene / Continental terminal which is a sporadic level with a thickness of 1.5 is composed of: 23, 47% P2O5, 24, 58% SiO 2; 6.35 feral and a CaO / P2O5 1.43 - The phosphates that are interposed in the upper calcareous soft clay 1m thick and having a composition of 28% P2O5, 1.8% feral 1.63% and the ratio of CaO/PO5. For more details contact us.
