SEARCH Articles Figures Tables Authigenic Formation of Phosphorites Authigenic deposits phosphorites PHOSPHORITE AS AN ORE Phosphorite authigenic formation Phosphorite complexes Phosphorite deposits Phosphorite deposits composition Phosphorite deposits formation Phosphorite formation Phosphorite locations Phosphorite mining Phosphorites Phosphorites Permian Phosphoria formation Phosphorites arsenic Phosphorites continental Phosphorites elemental composition Phosphorites formation Phosphorites location Phosphorites minerals Phosphorites uranium Phosphorites, uranium deposits Seamount phosphorites