Rahmati, Abulfazl, Afzal, Peyman, Abrishamifar, Seyed Amir, and Sadeghi, Behnam (2015) Application of concentration–number and concentration–volume fractal models to delineate mineralized zones in the Sheytoor iron deposit, Central Iran. Arabian Journal of Geosciences, 8 (5). pp. 2953-2965.

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Abstract

The aim of this study is to delineate Fe-mineralized zones utilizing concentration–number (C–N) and concentration–volume (C–V) fractal models in the Sheytoor iron deposit located in Central Iran. The C–N model reveals four mineralized zones characterized by Fe thresholds of 15.85, 43.65, and 57.54 %, which represent wall rocks (Fe <15.85 %), weakly mineralized zones (15.85–43.65 %), moderately mineralized zones (43.65–57.54 %), and highly mineralized zones (Fe >57.54 %). Results obtained by the C–V model depicted four Fe-mineralized zones defined by Fe thresholds of 26.3, 38.01, and 52.48 %, with zones <26.3 % Fe representing non-mineralized wall rocks and zones >52.48 % Fe show highly mineralized zones. Both the C–N and C–V multifractal models indicate that highly and moderately mineralized zones are situated in the central and NE parts of the area. Their results were compared with the geological model using logratio matrix. Thus, the results show that the highly and moderately mineralized zones derived via the C–N model are more accurate than the C–V model.

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