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The main aim of this study is separation of different populations for sulfur and phosphorus as harmful materials using fractal modeling in the Jalal-Abad iron ore, SE Iran. The elements are dangerous for steel production and environment and classification of those elements is important for excavation of iron ores. For this purpose, the grade distribution models for sulfur and phosphorus were generated using ordinary kriging geostatistical model. Then, the various sulfur and phosphorus populations were delineated b...