Investigating the Use of Stainless Steel Electrodes with the IP Method: A Metallic Ore Deposit Example

Gündoğdu, N. Yıldırım; Demirci, Ismail; Özyildirim, Özcan; Aktarakçi, Hasan; Candansayar, M. Emin

doi:10.1007/s00024-021-02907-8

Cited by 4 publications

(4 citation statements)

References 17 publications

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“…As the mining sites are located on the flanks and at the foot of the hills, the planning of the geophysical survey carried out in this study is based on the assumption of disseminated mineralization in some of these hills. Although several geophysical methods exist, in this study, the sensitivity of the method (for the detection and location of horizontal and vertical structures or bodies), the type of mineralization sought (metallic sulphides), the depth of the targets (near surface), the geological environment (site constituted by ancient sedimentary deposits) and geomorphological environment (topographic variation), the deposit mode (diffuse or disseminated) and the area of investigation are a set of factors that justify, as in most studies (Gouet et al., 2013; Gündoğdu et al., 2022; Liang et al., 2021; Sağır et al., 2020), the choice of the electrical method as the ideal approach for this study. The choice of using the direct current (DC) and induced polarization (IP) electrical methods over the self‐potential method is not only due to their good accuracy and depth of investigation but also to their affinity in the detection of a particular type of mineralization (clays, metal sulphides, graphite and certain metal oxides such as magnetite) (Chouteau, 2006; Claude et al., 2014; Gouet et al., 2013; Kayode et al., 2022; Lenhare & Moreira, 2020; Martin et al., 2020; Shirazi et al., 2022; Silva et al., 2022; Wang et al., 2022).…”

Section: Data Acquisition Used and Processing Methodologymentioning

confidence: 99%

“…The apparent chargeability (mV/V or ms) is then calculated in order to determine the polarization characteristics of the ground through analysis of the attenuating voltage over a specified time interval (Chouteau, 2006; Geotomo, 2018; Marescot, 2008; Sumner, 2012). IP and ERT are commonly used in geological and mining prospecting to indicate the presence of metal sulphides, metal oxides, clays and other old buried mine sites in the ground (Bharti et al., 2016; Bharti et al., 2019; Claude et al., 2014; Das et al., 2017; Gündoğdu et al., 2022; Horo et al., 2020; Kayode et al., 2022; Moreira et al., 2019; Shirazi et al., 2022; Silva et al., 2022; Singh et al., 2019; Zaid et al., 2022). Other studies use these methods for the 3D modelling of geoelectric anomalies corresponding to the targets sought (Embeng et al., 2022; Kayode et al., 2022; Lenhare & Moreira, 2020; Martin et al., 2020; Moreira et al., 2019; Sağır et al., 2020; Ya‐wei et al., 2015).…”

Section: Data Acquisition Used and Processing Methodologymentioning

confidence: 99%

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Combined analysis of resistivity and induced polarization tomography for 3D modelling and preliminary volume estimation of the possible gold mineralization zones in the Simi locality, Adamawa, Cameroon

Moustapha

Yem

Meying

et al. 2023

Geophysical Prospecting

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The present study attempts to combine direct current and induced polarization methods for 3D geological modelling and preliminary volume estimation of gold mineralization targets in the Simi locality, Adamawa, Cameroon. To begin, resistivity and chargeability data were collected along seven profiles oriented in N150E using the electrical tomography technique. A geological investigation was also carried out and allowed in addition to the geological formations to highlight the existence of gold mineralization in the study area. The interpretation of the inversion results was done by taking into consideration the geological field data and the existing resistivity charts. The 3D distribution of the interpreted sections allowed us to make a horizontal correlation between the different sections and to elaborate the 3D geological model of the study area by using the deterministic inverse distance method. The estimated model indicates a volume of 621,130.625 m 3 of the possible gold complex. The gold complex was then divided into two mineralization domains based on chargeability ranges (mV/V): A first domain is associated with a major mineralization zone (39-60 mV/V) with a volume of 10,842 m 3 , and a second domain is associated with secondary mineralization zone (18-39 mV/V) with a volume of 610,288 m 3 . This model allows to compartmentalize the gold complex and can be used as a base model for the gold investigation in the study area.

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Section: Data Acquisition Used and Processing Methodologymentioning

confidence: 99%

Section: Data Acquisition Used and Processing Methodologymentioning

confidence: 99%

Combined analysis of resistivity and induced polarization tomography for 3D modelling and preliminary volume estimation of the possible gold mineralization zones in the Simi locality, Adamawa, Cameroon

Moustapha

Yem

Meying

et al. 2023

Geophysical Prospecting

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“…Especially for the IP survey, optimizing the IP survey's geometry and maximizing the acquired signal by keeping at least one potential electrode between the current electrode's pair [38] was attempted. Stainless steel electrodes were used [39] instead of the recommended porous pot (Cu-CuSO 4 ). The resistivity meter can inject up to 2 amperes of current; however, the instruments regulate the current automatically since it is proven that more current is not always the best option [40].…”

Section: Data Acquisitionmentioning

confidence: 99%

Historic Underground Silver Mine Workings Detection Using 2D Electrical Resistivity Imaging (Durango, Mexico)

Hinojosa¹,

Kirmizakis

Soupios

2022

Minerals

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This paper presents an underground silver mining operation outside Gomez Palacio, Durango, Mexico, terminated around the 1930s, of which previous knowledge of its operations was poor. Durango’s current silver exploration campaigns are likely to overlook historic silver mining sites due to interest in specific prospect regions. A two-dimensional (2D) Electrical Resistivity Imaging (ERI) survey coupled with reconnaissance of the area was performed at this historic silver mining site. The exploration campaign aimed to find the abandoned mineshaft, map its subsurface extent, and explore the occurrence of mineralization zones (silver ore). The ERI survey comprised five profiles measured with the extended dipole-dipole array with a consistent electrode spacing of 5 m. The smooth, robust, and damped least-squares inversion methods were used to invert the 2D data. Our field observations and ERI survey results collectively reveal the following findings: (a) reconnaissance reveals mining infrastructure consistent with historical mining activity; the infrastructure includes a complex of habitational rooms, an ore-processing pit near a concrete slab next to a dirt road, and two limestone-wall structures interpreted as the entrance of abandoned backfilled mineshafts named Mesquite and Lechuguilla; (b) high-resistivity anomalies suggest vestiges of shallow, underground mine workings including backfilled mineshafts that connect a mine gallery complex, and (c) various low-resistivity anomalies, juxtaposed against mine galleries, suggestive of unmined shallow vein-type and manto-type mineralization of hydrothermal origin. The imaging depth is estimated at ~65 m. Underground silver mining moved southwards and was limited to ~40 m depth.

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“…In addition, the secondary voltage is low in magnitude, and thus, the data quality is vulnerable to ambient noise [36], especially in sites with high groundwater salinity. Data acquired with a high signal-to-noise ratio (SNR) are the basis for the effective utilization of the IP signal in contaminated sites, and therefore, many studies on data acquisition methods have been conducted [37][38][39].…”

Section: Introductionmentioning

confidence: 99%

Organic Contamination Distribution Constrained with Induced Polarization at a Waste Disposal Site

Jian

Zhang

Mao

et al. 2022

Water

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Waste disposal sites are a serious concern due to their potential contamination threat. Site characterizations are the basis for contamination remediation, among which borehole-based methods are time-consuming. This study aims to utilize time-domain induced polarization (TDIP) to constrain groundwater and soil organic contamination. Fourteen TDIP profiles were arranged using three acquisition methods at a disposal site contaminated with benzene. A data quality analysis was first conducted to overcome poor signals in high-salinity groundwater conditions. The TDIP results show that solid waste can be classified into two distinct types based on chargeability. The results of induced polarization measurements and X-ray fluorescence analysis proved the presence of metal substances causing high chargeability. The waste with metals was the benzene contamination source. Finally, we propose a procedure for the integration of geophysical and geochemical methods to delineate contaminated areas. A new roll-along survey protocol was developed to meet the needs of long-profile surveys of contaminated shallow groundwater and soil sites.

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Investigating the Use of Stainless Steel Electrodes with the IP Method: A Metallic Ore Deposit Example

Cited by 4 publications

References 17 publications

Combined analysis of resistivity and induced polarization tomography for 3D modelling and preliminary volume estimation of the possible gold mineralization zones in the Simi locality, Adamawa, Cameroon

Combined analysis of resistivity and induced polarization tomography for 3D modelling and preliminary volume estimation of the possible gold mineralization zones in the Simi locality, Adamawa, Cameroon

Historic Underground Silver Mine Workings Detection Using 2D Electrical Resistivity Imaging (Durango, Mexico)

Organic Contamination Distribution Constrained with Induced Polarization at a Waste Disposal Site

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