Integration of hydrogeophysical and geological investigations in enhancing groundwater potential assessment in Houtriver gneiss crystalline basement formation of South Africa

Publikation: Bidrag til tidsskriftTidsskriftartikelfagfællebedømt

Standard

Integration of hydrogeophysical and geological investigations in enhancing groundwater potential assessment in Houtriver gneiss crystalline basement formation of South Africa. / Muchingami, Innocent; Mkali, Andrew; Vinqi, Lusanda; Pietersen, Kevin; Xu, Yongxin; Whitehead, Robert; Karsten, Jansen; Villholth, Karen G.; Kanyerere, Thokozani.

I: Physics and Chemistry of the Earth (Print), Bind 123, 103009, 01.10.2021.

Publikation: Bidrag til tidsskriftTidsskriftartikelfagfællebedømt

Harvard

Muchingami, I, Mkali, A, Vinqi, L, Pietersen, K, Xu, Y, Whitehead, R, Karsten, J, Villholth, KG & Kanyerere, T 2021, 'Integration of hydrogeophysical and geological investigations in enhancing groundwater potential assessment in Houtriver gneiss crystalline basement formation of South Africa', Physics and Chemistry of the Earth (Print), bind 123, 103009. https://doi.org/10.1016/j.pce.2021.103009

APA

Muchingami, I., Mkali, A., Vinqi, L., Pietersen, K., Xu, Y., Whitehead, R., Karsten, J., Villholth, K. G., & Kanyerere, T. (2021). Integration of hydrogeophysical and geological investigations in enhancing groundwater potential assessment in Houtriver gneiss crystalline basement formation of South Africa. Physics and Chemistry of the Earth (Print), 123, [103009]. https://doi.org/10.1016/j.pce.2021.103009

Vancouver

Muchingami I, Mkali A, Vinqi L, Pietersen K, Xu Y, Whitehead R o.a. Integration of hydrogeophysical and geological investigations in enhancing groundwater potential assessment in Houtriver gneiss crystalline basement formation of South Africa. Physics and Chemistry of the Earth (Print). 2021 okt. 1;123. 103009. https://doi.org/10.1016/j.pce.2021.103009

Author

Muchingami, Innocent ; Mkali, Andrew ; Vinqi, Lusanda ; Pietersen, Kevin ; Xu, Yongxin ; Whitehead, Robert ; Karsten, Jansen ; Villholth, Karen G. ; Kanyerere, Thokozani. / Integration of hydrogeophysical and geological investigations in enhancing groundwater potential assessment in Houtriver gneiss crystalline basement formation of South Africa. I: Physics and Chemistry of the Earth (Print). 2021 ; Bind 123.

Bibtex

@article{c7dfc9fa21854095970abb57735ccfe7,
title = "Integration of hydrogeophysical and geological investigations in enhancing groundwater potential assessment in Houtriver gneiss crystalline basement formation of South Africa",
abstract = "Groundwater exploration in crystalline basement aquifers such as the Houtriver gneiss formation in the Limpopo province of South Africa is often described as complex. This is because groundwater availability in such aquifers is largely a consequence of the interaction of several processes related to recharge, underlying geological features and fracture connectivity of the aquifer rock matrix. In this study, an integration of geophysical and geological investigations is applied in inferring potential drill targets within the Houtriver gneiss crystalline basement aquifer system. Results from the magnetic and frequency domain electromagnetic surveys were combined with geological investigations to identify sites where vertical electrical resistivity sounding was applied to infer the thickness and layering of weathered and fractured zones, as well as to identify potential targets where test boreholes were drilled. Constructed geo-resistivity pseudo-sections suggested that groundwater occurrence within this formation is described by a heterogeneous multiple-layered and fractured aquifer system with the main groundwater bearing zones ranging from a depth of 30–72m in most cases. Ten potential drill sites were identified from which three test boreholes were drilled and used to validate the results through a lithostratigraphic conceptual model developed from the correlation of the geophysical results with drill logs. The integration of hydro-geophysical and geological methods thus provided a comprehensive approach for resource assessment in the Houtriver gneiss formation.",
author = "Innocent Muchingami and Andrew Mkali and Lusanda Vinqi and Kevin Pietersen and Yongxin Xu and Robert Whitehead and Jansen Karsten and Villholth, {Karen G.} and Thokozani Kanyerere",
year = "2021",
month = oct,
day = "1",
doi = "10.1016/j.pce.2021.103009",
language = "English",
volume = "123",
journal = "Physics and Chemistry of the Earth",
issn = "1474-7065",
publisher = "Pergamon Press",

}

RIS

TY - JOUR

T1 - Integration of hydrogeophysical and geological investigations in enhancing groundwater potential assessment in Houtriver gneiss crystalline basement formation of South Africa

AU - Muchingami, Innocent

AU - Mkali, Andrew

AU - Vinqi, Lusanda

AU - Pietersen, Kevin

AU - Xu, Yongxin

AU - Whitehead, Robert

AU - Karsten, Jansen

AU - Villholth, Karen G.

AU - Kanyerere, Thokozani

PY - 2021/10/1

Y1 - 2021/10/1

N2 - Groundwater exploration in crystalline basement aquifers such as the Houtriver gneiss formation in the Limpopo province of South Africa is often described as complex. This is because groundwater availability in such aquifers is largely a consequence of the interaction of several processes related to recharge, underlying geological features and fracture connectivity of the aquifer rock matrix. In this study, an integration of geophysical and geological investigations is applied in inferring potential drill targets within the Houtriver gneiss crystalline basement aquifer system. Results from the magnetic and frequency domain electromagnetic surveys were combined with geological investigations to identify sites where vertical electrical resistivity sounding was applied to infer the thickness and layering of weathered and fractured zones, as well as to identify potential targets where test boreholes were drilled. Constructed geo-resistivity pseudo-sections suggested that groundwater occurrence within this formation is described by a heterogeneous multiple-layered and fractured aquifer system with the main groundwater bearing zones ranging from a depth of 30–72m in most cases. Ten potential drill sites were identified from which three test boreholes were drilled and used to validate the results through a lithostratigraphic conceptual model developed from the correlation of the geophysical results with drill logs. The integration of hydro-geophysical and geological methods thus provided a comprehensive approach for resource assessment in the Houtriver gneiss formation.

AB - Groundwater exploration in crystalline basement aquifers such as the Houtriver gneiss formation in the Limpopo province of South Africa is often described as complex. This is because groundwater availability in such aquifers is largely a consequence of the interaction of several processes related to recharge, underlying geological features and fracture connectivity of the aquifer rock matrix. In this study, an integration of geophysical and geological investigations is applied in inferring potential drill targets within the Houtriver gneiss crystalline basement aquifer system. Results from the magnetic and frequency domain electromagnetic surveys were combined with geological investigations to identify sites where vertical electrical resistivity sounding was applied to infer the thickness and layering of weathered and fractured zones, as well as to identify potential targets where test boreholes were drilled. Constructed geo-resistivity pseudo-sections suggested that groundwater occurrence within this formation is described by a heterogeneous multiple-layered and fractured aquifer system with the main groundwater bearing zones ranging from a depth of 30–72m in most cases. Ten potential drill sites were identified from which three test boreholes were drilled and used to validate the results through a lithostratigraphic conceptual model developed from the correlation of the geophysical results with drill logs. The integration of hydro-geophysical and geological methods thus provided a comprehensive approach for resource assessment in the Houtriver gneiss formation.

U2 - 10.1016/j.pce.2021.103009

DO - 10.1016/j.pce.2021.103009

M3 - Journal article

VL - 123

JO - Physics and Chemistry of the Earth

JF - Physics and Chemistry of the Earth

SN - 1474-7065

M1 - 103009

ER -

ID: 281100356