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Volume 5, issue 2
Earth Syst. Dynam., 5, 491-507, 2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
Earth Syst. Dynam., 5, 491-507, 2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

ESD Reviews 19 Dec 2014

ESD Reviews | 19 Dec 2014

Recent revisions of phosphate rock reserves and resources: a critique

J. D. Edixhoven et al.
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Cited articles  
Al-Bassam, K. S.: The Akashat phosphate deposit, Iraq, in: Phosphate Deposits of the World, Vol. 2: Phosphate Rock Resources, chap. 49, edited by: Notholt, A. J. G., Sheldon, R. P., and Davidson, D. F., International Geological Correlation Programme, Project 156, Cambridge University Press, New York, USA, 1989.
Asfahani, J., Aissa, M., and Al-Hent, R.: Statistical factor analysis of aerial spectrometric data, Al-Awabed area, Syria: a useful guide for phosphate and uranium exploration, Appl. Radiat. Isot., 62, 649–661, 2005.
Bauer, C. W. and Dunning, C. P.: Uraniferous phosphate resources of the western phosphatic field, in: Uraniferous Phosphate Resources and Technology and Economics of Uranium Recovery From Phosphate Resources United States and Free World, edited by: De Voto, R. H. and Stevens, D. N., US Department of Energy, Publication GJBX-110 (79), Grand Junction, Colorado, USA, 123–249, 1979.
Camisani-Calzolari, F. A.: National and international codes for reporting mineral resources and reserves: their relevance, future and comparison, J. S. Afr. I. Min. Metall., 104, 297–305, 2004.
Carpenter, S. R. and Bennett, E. M.: Reconsideration of the planetary boundary for phosphorus, Environ. Res. Lett., 6, 014009,, 2011.
Publications Copernicus
Short summary
Phosphate rock is a finite resource required for fertilizer production. Following a debate over the PR depletion timeline, global PR reserves were recently increased 4-fold based mainly on a restatement of Moroccan reserves. We review whether this restatement is methodologically compatible with resource terminology used in major resource classifications, whether resource classification nomenclature is sufficiently understood in the literature, and whether the recent restatements are reliable.
Phosphate rock is a finite resource required for fertilizer production. Following a debate over...