Geoelectrical imaging and spatial distribution of alluvial materials of the Sanaga River (Cameroon, Central Africa)

Geoelectrical imaging and spatial distribution of alluvial materials of the Sanaga River (Cameroon, Central Africa)

Recent research has shown that the floodplains of the Sanaga river catchment contain significant resources of minerals suitable for industry. However, these studies were carried out in large grids, and do not allow for detailed specification of the geometry of the identified resources. The aim of th...

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Veröffentlicht in:Studia geophysica et geodaetica 2022-04, Vol.66 (1-2), p.62-79
Hauptverfasser: Tokouet, Renaud Menanga, Yene Atangana, Joseph Quentin, Yem, Mbida, Ekomane, Emile, Deffo, Ferdinand, Akono, Florent Daniel, Mienlam Essi, Mike-Franck
Format: Artikel
Sprache:eng
Schlagworte:
Alluvial deposits
Atmospheric Sciences
Catchment area
Civil engineering
Clay
Clay minerals
Correlation
Drilling
Earth and Environmental Science
Earth Sciences
Electrical resistivity
Exploitation
Floodplains
Fluvial deposits
Geoelectricity
Geophysics/Geodesy
Gravel
Imaging techniques
Lithology
Minerals
River banks
River catchments
Rivers
Sand
Spatial distribution
Structural Geology
Thickness
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Zusammenfassung:Recent research has shown that the floodplains of the Sanaga river catchment contain significant resources of minerals suitable for industry. However, these studies were carried out in large grids, and do not allow for detailed specification of the geometry of the identified resources. The aim of this study is to minimize the uncertainties observed in the characterization of these deposits using two techniques: geoelectric imaging and manual drilling. The geoelectrical results associated with the lithological sections show, from surface to depth, three main units: semi-resistive (66–500 Ωm) corresponding to clayey sands; conductive (42–100 Ωm) associated with sandy clays/silt clays, and resistive (
ISSN:0039-3169
1573-1626
DOI:10.1007/s11200-020-1083-0