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Application of Resistivity Method for Mining Tailings Site Selection in Karst Regions

Research Authors
Mosaad Ali, Shulin Sun, Wei Qian, Abdou Dodo Bohari, Dusabemariya Claire, Yan Zhang
Research Member
Research Date
Research Year
2020
Research Journal
E3S Web of Conferences
Research Publisher
EDP Sciences
Research Vol
144, 01002 (2020)
Research Website
https://www.e3s-conferences.org/articles/e3sconf/abs/2020/04/e3sconf_wrem2019_01002/e3sconf_wrem2019_01002.html
Research Abstract

Disposal of mining wastes (tailings) is one of the most severe issues related to groundwater contamination. Therefore, a properly selected disposal site helps to prevent the leakage of dissolved materials in the tailings to groundwater, especially in the karstic area. Where the karstic environment is one of the challenges facing groundwater environmental and engineering issues, for instance, groundwater exploration, vulnerability assessment, and hazard estimation. In this study, the resistivity method with a high-resolution surface data survey was carried out to investigate the pond location selection for mining tailings disposal at El Mochito mine site, northwest Honduras. The results of the two-dimensional (2-D) inversion for sixteen surveyed lines revealed that many low resistivity zones. These zones are related to water/clay-bearing zones that are structurally weak. From lines 8-12, the limestone underneath the surface is the most compact, and this is the best location in the survey area for tailings pond construction. The resistivity method has provided insight into the subsurface information and locating hydraulically conductive zones, so it can be useful for selecting the site of mining tailings.