Before revision: Namibia's phosphate resources Namibia's shelf contains different phosphate resources such as Diagenetic phosphorite, which originated by phosphitylation of carbonate rocks and biogenic debris, forms a 0.5 m thick pavement across large parts of the shelf off the southern tip of Africa.
After revision: 350px|NamibiaNamibia's phosphate resources Namibia's shelf contains different phosphate resources such as Diagenetic phosphorite, which originated by phosphitylation of carbonate rocks and biogenic debris, forms a 0.5 m thick pavement across large parts of the shelf off the southern tip of Africa.