Resistivity and Induced Polarisation Sounding for Location of Saline Water Pockets

Roy, Kalyan Kumar; Bhattacharyya, Joydeep; Mukherjee, K. K.

doi:10.1071/eg994207

Cited by 5 publications

(3 citation statements)

References 21 publications

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“…It is being the only one that responses to low-grade disseminated mineralizations (Seigel, 1967;Bertin, 1976;Komarov, 1980;Parasnis, 1986;Sharma, 1997;Milsom, 2003). It is also used in groundwater, geotechnical and environmental exploration (Seara & Granda, 1987;Drascovits et al, 1990;Roy et al, 1995;Oldenburg, 1996;Aristodemou & Thomas-Betts, 2000). The two-dimension electric resistivity/IP prospecting can yield knowledge about both lateral and vertical differences of the earth's properties and may be employed in the identification of the structure and depth of buried features (Tsourlos et al, 1998).…”

Section: Induced Polarization (Ip) Methodsmentioning

confidence: 99%

Ground Electromagnetic and Electric Studies for Um Salim Gold Mine, Central Eastern Desert, Egypt

Elsadek¹,

Al-Alfy²,

Salam³

et al. 2021

GEP

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Horizontal Loop Electromagnetic (HLEM) and Induced Polarization (IP) methods have been carried out within Um Salim gold mine area. The study area reveals special importance, as it comprises rock units, which show some indication of the presence of various mineralization. The result of HLEM has shown significant and well-defined conductive zones are recorded along with the four used frequencies (110 Hz, 440 Hz, 1760 Hz, and 7040 Hz) at the station 2,782,900 and station 2,782,880 of two (HLEM) profiles (596,050 N & 596,240 N) respectively, that may reflect the sources of the conductive bodies are situated at shallow depths continued to considerable depths. The result of IP exhibits a strong anomalous zone centered at stations 140 and 240, with chargeability values ranging (37 to more than 120 mV/V) on chargeability model section, and corresponding to high resistivity on resistivity model section which may reflect considerable surface and subsurface disseminated mineralization. Through the integration between HLEM and IP a core drilling is recommended at station 140 on IP profile which coincides with station 2,782,850 on HLEM profile (596,240 N) to a depth of concerning 100m take a look at the thickness, depth, and grade of mineralization.

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Section: Induced Polarization (Ip) Methodsmentioning

confidence: 99%

Ground Electromagnetic and Electric Studies for Um Salim Gold Mine, Central Eastern Desert, Egypt

Elsadek¹,

Al-Alfy²,

Salam³

et al. 2021

GEP

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show abstract

“…However, the weight of the hydrochemical characteristics is different from those of the lithological and petrophysical characteristics [ 36 ], thereby reducing the ambiguities when comparing the resistivity and polarisability of a certain medium. Consequently, many studies have tried to confirm the relationship between IP and the hydrochemical characteristics of formation [ 37 , 38 , 39 , 40 , 41 ]. Such ambiguities occur when studying areas with fully or partially salinized aquifers, which can be confused with clay levels if only resistivity values are available.…”

Section: Introductionmentioning

confidence: 99%

A Different Processing of Time-Domain Induced Polarisation: Application for Investigating the Marine Intrusion in a Coastal Aquifer in the SE Iberian Peninsula

Díaz-Curiel

Biosca

Arévalo-Lomas

et al. 2023

Sensors

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This study presents the developments regarding the time-domain induced polarisation method as a supporting tool for resistivity soundings during investigations of coastal detrital aquifers that are salinized by marine intrusion. The interpretation of resistivity measurements in such aquifers, which have variable hydrochemistry and lithology, involves uncertainties owing to the presence of low-resistivity lithologies, such as clays. To reduce these uncertainties, the use of other geophysical parameters is necessary; hence, this study focuses on induced polarisation since it can be measured simultaneously with resistivity. In detail, we propose the determination of induced polarisation using 1D techniques while developing a different algorithm for processing the induced polarisation data. The aim is to extend the results of this phenomenon, using, instead of chargeability, the concepts of polarisability and decay time, which are extracted from the decay curve, given that they represent more intrinsic properties of the various analyzed subsurface media. Results were obtained by applying this methodology to a Quaternary aquifer of the Costa del Sol in the SE Iberian Peninsula (in the province of Almería) during two different campaigns, one in mid-autumn and one late winter (i.e., in October and February, respectively) are presented. The results reveal the position of the saline front during each campaign while reflecting the seasonal movement of the marine intrusion.

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“…However, the weight of the hydrochemical characteristics is different from those of the lithological and petrophysical characteristics [36], thereby reducing the ambiguities when comparing the resistivity and polarisability of a certain medium. Consequently, many studies have tried to confirm the relationship between IP and the hydrochemical characteristics of formation [37][38][39][40][41]. Such ambiguities occur when studying areas with fully or partially salinised aquifers, which can be confused with clay levels if only resistivity values are available.…”

Section: Introductionmentioning

confidence: 99%

Different Processing of Time-domain-induced Polarisation: Application for Investigating the Marine Intrusion in the SE Iberian Peninsula

Díaz-Curiel¹,

Biosca²,

Arévalo-Lomas³

et al. 2022

Preprint

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This study presents the developments regarding the time-domain-induced polarisation method, as a supporting tool for resistivity soundings during investigations of coastal detrital aquifers that are salinised by marine intrusion. The interpretation of resistivity measurements in such aquifers, which have variable hydrochemistry and lithology, involves uncertainties owing to the presence of low-resistivity lithologies, such as clays. To reduce these uncertainties, the use of other geophysical parameters is necessary; hence, this study focuses on induced polarisation, since it can be measured simultaneously with resistivity. In detail, we propose the determination of induced polarisation using 1D techniques, while developing a different algorithm for processing the induced polarisation data. The aim is to extend the results of this phenomenon, using instead of chargeability, the concepts of polarisability and decay time, which are extracted from the decay curve, given that they represent more intrinsic properties of the various analysed subsurface media. We present results obtained by applying this methodology to a Quaternary aquifer of the Costa del Sol in the SE Iberian Peninsula (in the province of Almería) during two different campaigns, one before and one after winter (i.e., in October and February, respectively). The results reveal the position of the saline front during each campaign, while reflecting the seasonal movement of the marine intrusion.

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Resistivity and Induced Polarisation Sounding for Location of Saline Water Pockets

Cited by 5 publications

References 21 publications

Ground Electromagnetic and Electric Studies for Um Salim Gold Mine, Central Eastern Desert, Egypt

Ground Electromagnetic and Electric Studies for Um Salim Gold Mine, Central Eastern Desert, Egypt

A Different Processing of Time-Domain Induced Polarisation: Application for Investigating the Marine Intrusion in a Coastal Aquifer in the SE Iberian Peninsula

Different Processing of Time-domain-induced Polarisation: Application for Investigating the Marine Intrusion in the SE Iberian Peninsula

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