Application of 2-D Electrical Resistivity Imaging, and Induced Polarization Methods for Delineating Gold Mineralisation at Felda Chiku 3, Kelantan, Malaysia

Zaid, Hussein Ahmed Hasan; Arifin, Mohd Hariri; Kayode, John Stephen; Basori, Mohd Basril Iswadi; Umor, Mohd Rozi; Hazim, Suraya Hilmi

doi:10.17576/jsm-2023-5201-25

JSM

2023

DOI: 10.17576/jsm-2023-5201-25

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Application of 2-D Electrical Resistivity Imaging, and Induced Polarization Methods for Delineating Gold Mineralisation at Felda Chiku 3, Kelantan, Malaysia

Hussein Ahmed Hasan Zaid¹,

Mohd Hariri Arifin²,

John Stephen Kayode³

et al.

Abstract: A geophysical survey has been carried out to assess the distribution of gold minerals at the Felda Chiku 3, Gua Musang district, Kelantan, Peninsular Malaysia. A 2-D geo-electrical resistivity imaging (ERI), combined with Induced Polarization (IP) method, and Oasis Montaj modelling were applied to delineate the potential conductive zones associated with sulphide mineralization. Most Peninsular Malaysia’s gold deposits occur in hydrothermal sulphides as discrete ore formations within the host rocks. A good corr… Show more

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“…This process should encompass site characterization to comprehend soil materials and conditions adequately. Multiple techniques exist for examining the geometry and properties of the nearsubsurface, broadly classified into intrusive methods (involving boreholes, soil sampling, and laboratory testing) and non-intrusive methods (geophysical methods) (Kayode, Arifin & Nawawi 2019;Yordkayhun 2021;Zaid et al 2023). Although intrusive methods are commonly employed, they can be costly and necessitate accessible areas.…”

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Integrated Geophysical Models for Interpretations of Heterogeneous Subsurface Environments

Zakaria,

Ismail,

Mohd Muztaza

et al. 2024

JSM

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Near-surface characterization can be vulnerable to misinterpretation due to limited resolution and methodological limitations. Validation from different parameters is necessary to substantiate the results and reduce errors during interpretations. This research aims to develop an alternative integrated method of a 2-D cross-plot model to enhance subsurface interpretations based on the model's criteria, resulting in better geological interpretation. Geophysical methods such as electrical resistivity and seismic refraction are utilized in a test model and a case study area to observe the capabilities of the integrated method approach. The goal of this study was to cluster two or more different parameters into a single model for a direct presentation of the subsurface model. This includes the characterization of subsurface properties, data integration using cross-plot analysis, and the development of a 2-D cross-plot model. This method visually represents the relationship between two or more attributes, allowing for the identification of anomalies. In the test model, the lithology consists of sandy silt derived from granitic residual soil, whereas in the case study model, it was dominated by weathered granitic residual soil with the presence of saturated zones. The 2-D cross-plot model provides a comprehensive interpretation where Quadrant, Q1 shows the vulnerable zones for sliding mass bodies. The plane weakness was successfully identified based on the cross-plot model as the weathered zone, and subsurface features were determined. The estimated volume of mass movement was successfully calculated for the case study area based on the determination of the sliding plane. The integrated method of cross-plot analysis along with the development of 2-D cross-plot models proves to be an informative approach for subsurface characterization and enhances subsurface imaging.

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confidence: 99%

Integrated Geophysical Models for Interpretations of Heterogeneous Subsurface Environments

Zakaria,

Ismail,

Mohd Muztaza

et al. 2024

JSM

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Electrical and electromagnetic geophysical signature associated with geological frame of polymineralic deposit within hydrothermal alteration zones

Olomo,

Olayanju,

Bayode

et al. 2024

Journal of Applied Geophysics

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Integrated analysis of geophysical methods for landslide characterization

Zakaria

2023

Acta Geodynamica Et Geomaterialia

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Landslides are often regarded as secondary hazards, typically triggered by major catastrophic events like storms, floods, volcanic eruptions, and earthquakes. In tropical regions such as Malaysia, the prevalent geohazard phenomenon involves landslides induced by moisture or rainfall. These incidents predominantly occur due to the unique composition of residual soils in the area, resulting from the weathering of bedrock in situ. Major landslides and local slope failures occur when water saturation exceeds a critical limit in certain parts of the slope. The foundation of a dependable stability analysis lies in the geological model of the landslide, which should accurately reflect the actual conditions. To achieve this, a thorough understanding of the landslide phenomenon and access to high-quality datasets are essential. In this study, 2D electrical resistivity imaging and seismic refraction tomography were utilized to identify subsurface characteristics, along with geotechnical data for data corroboration. The study shows a highly weathered zone (ρ< 1200 Ωm; V p < 1200 m/s) was identified at a depth of less than 5 m. The number of blows (N-values) for standard penetration test (SPT) indicate a low range of 1-15, representing the low stiffness of the soil condition. The N-values show variation in the number of blows with depth, suggesting that the layer may not be competent due to the present heterogeneous material caused by the highly weathered process. The results emphasize the benefits of incorporating both geophysical and geotechnical parameters to define subsurface properties. The study offers insights into how spatial distributions of these parameters can be utilized to minimize uncertainty in ground models.

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Application of 2-D Electrical Resistivity Imaging, and Induced Polarization Methods for Delineating Gold Mineralisation at Felda Chiku 3, Kelantan, Malaysia

Cited by 3 publications

References 0 publications

Integrated Geophysical Models for Interpretations of Heterogeneous Subsurface Environments

Integrated Geophysical Models for Interpretations of Heterogeneous Subsurface Environments

Electrical and electromagnetic geophysical signature associated with geological frame of polymineralic deposit within hydrothermal alteration zones

Integrated analysis of geophysical methods for landslide characterization

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