International scientific journal

ISSN: 2663-0419 (electronic version)

ISSN: 2218-8754 (print version)

International scientific journal

ISSN: 2663-0419 (electronic version)

ISSN: 2218-8754 (print version)


Development of landslide processes on the eastern wing of the Bibiheybat brachianticline using the electrical survey

Salamov A.M., Gadirov A.H., Mukhtarov A.Sh., Zamanova A.H., Gasimov E.E.

Geology and Geophysics Institute, Azerbaijan National Academy of Sciences 119, H.Cavid ave., Baku, AZ1143:


The article investigates the development of landslide processes on the eastern wing of the Bibiheibat brachianticline using vertical electric sounding method (VES).
On the surface of the study area, eluvial-deluvial deposits of the Quaternary period of marine (Eopleistocene, Pleistocene) and continental (Holocene) origin are mainly developed. The geological environment of the study area undergoes complex geological and neotectonic processes.
Field geophysical work was carried out on nine profiles and sections of apparent vertical electrical resistance and geoelectric sections were constructed, which were then converted into alleged lithological and geophysical sections.
As a result of geophysical studies, it was found that the apparent and specific electrical resistances of the rocks composing the geological section vary respectively in the intervals of 0.5 … 80 Ohm·m and 0.3 … 90 Ohm·m.
In the compiled alleged lithological and geophysical sections mainly five layers with different thicknesses and specific electrical resistances are traced.
As a result of the work, a detailed lithological differentiation of the geological section of the study area to a depth of 50 m was carried out; the thickness of landslide mass and depth of the slip plane were determined; alleged lines of faulting were identified and traced; 3D model of the apparent electrical resistance of the landslide zone was built.
The first layer identified from the earth’s surface (the mass of the landslide) is presumably composed of various fragments of deluvial deposits. The remaining layers respectively are composed of clays, clays with thin layers of sand, sand clays, alternation of clays with weakly cemented sandstones.
The presence of rocks in the geological section with reservoir properties and discontinuous disturbances creates favorable conditions for the accumulation of water of various origins in the body of the landslide, moistens the sliding plane, which leads to the activation of the landslide.
Studies have shown that on the eastern slope of the brachianticline there are factors that activate landslide processes.

Keywords: geophysics, landslide, electrical prospecting, resistance, brachianticline, fracture



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DOI: 10.33677/ggianas20200100039