10.57647/j.ijes.2025.16949

Using the Three Dimensional Statistical and Multifractal Models to Determine of Pb-Zn Anomalies in the Khomain Area, Sanandaj Sirjan Belt, Western Iran

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  • Feridon Ghadimi*1,
  • Massume Khavari1,
  • Hossein Azizi2,
  1. Department of Mining Engineering, Arak University of Technology, Arak, Iran
  2. Department of Mining, Faculty of Engineering Unversity of Kurdistan, Sanandaj, Iran

Received: 2024-12-29

Revised: 2025-02-16

Accepted: 2025-02-28

Published 2025-06-24

Copyright (c) -1 Feridon Ghadimi, Massume Khavari, Hossein Azizi (Author)

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

Ghadimi, F. ., Khavari, M. ., & Azizi, H. . (2025). Using the Three Dimensional Statistical and Multifractal Models to Determine of Pb-Zn Anomalies in the Khomain Area, Sanandaj Sirjan Belt, Western Iran. Iranian Journal of Earth Sciences. https://doi.org/10.57647/j.ijes.2025.16949
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Abstract

Khomain deposit is situated in the western north part of the Sanandaj -Sirjan belt in western Iran. The main host rocks of the mineralization zone are shale, sandstone Jurassic to lower Cretaceous limestone. Main mineralization deposit includes galena and sphalerite minerals in Khomain. In this research, 170 samples from 33 boreholes were selected to determine the possibility of Pb and Zn anomalies. Lower geochemical anomalies determined by statistical and multifractal models. The Lepeltier, composite halo, factor analysis, original singularity and weighted singularity models were used to identify three dimension anomaly. The coefficient of areal association (CAA) is used to determine similarity of results of different models and is 0.90 and 0.61 for Pb and Zn in weighted singularity model. It indicated that Pb and Zn were confirmed by weighted singularity model in three dimensional studies. Therefore, it can be said that weighted singularity model is suitable relative to other models in identifying weak anomalies. It was determined that the mineralization has a northeast-southwest trend based on the weighted singularity models and is matches with the trend of faults in the mineralization place. 

Keywords

  • Pb-Zn deposits,
  • Singularity models,
  • Khomain,
  • Sandaj-Sirjan zone,
  • Jurassic mineralization
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