Onslow Embayment/Frying Pan Phosphate

Orris, G.J., and Chernoff, C.B., 2004, Table of world phosphate deposits, in Hein, J.R., ed., Life cycle of the Phosphoria Formation: From deposition to the post-mining environment: Elsevier, Amsterdam, Handbook of exploration and environmental geochemistry v. 8, CD-ROM.Riggs, S.R., 1989. Phosphate deposits of the North Carolina coastal plain, continental shelf, and adjacent Blake Plateau, USA. In A.J.G. Notholt, R.P. Sheldon and D.F. Davidson (eds), Phosphate deposits of the world, Volume 2-- Phosphate rock resources. Cambridge University Press, Cambridge, pp. 42-52.