Phosphate is an ore made up of a mixture of several powdery components, the most abundant of which is that
which contains phosphorus. The ore carrying almost all of the phosphorus in Togolese ore is «apatite». It dissolved in continental
waters, where microorganisms favored the concentration of these solutions.
The results of the chemical and particle size analyses carried out on material dried at 105°C+ or -5°C give the following results characteristics below, in addition to some ratios.
The tabular content
Content in graphical form
Size and distribution in grain classes
Other indicators ...