Development of Taprang landslide, West Nepal

Application of Electrical Resistivity Tomography (ERT) survey for investigation of the landslide: a case study from Taprang landslide, Kaski district, west-central Nepal

“…The dip amount of the bedrock ranges from 25°-40° throughout the landslide slope. This unit is correlated with Benighat slate and its equivalent of the Nawakot complex of Central Nepal (Regmi et al, 2017).…”

“…Schist and gneiss are the main lithology of the Higher Himalayan zone which consists of high-grade minerals such as sillimanite, kyanite, garnet, biotite, feldspar, muscovite, and quartz (Dhital 2015). Regmi et al (2017) also studied the detailed geology of the Taprang landslide and consists of grey to black, thinly laminated, highly foliated schist which is somewhat intercalated with thinly bedded, white to grey colored quartzite (Fig. 2).…”

“…This landslide also placed the people in Kaski, Lamjung, and Tanahu districts by damming the Madi River (Khanal et al, 2013). In the past, except for some engineering geological and clay mineralogical studies (Khanal et al, 2013;Regmi et al, 2017), no geophysical survey was applied to such a slide. Therefore, the main purpose of this study is to carry out the ERT survey with the objectives of mapping its subsurface geological, hydrogeological, depth and geometry of slip surface of the Taprang landslide.…”

Engineering Geological and Geotechnical studies of Taprang landslide, west-central Nepal: An approach for slope stability analysis

“…Similarly, the Higher Himalayan Zone comprises high grade metamorphic rocks such as schist, quartzite and gneiss. Similarly, detail geological study [38] also revealed that the landslide area falls in the Benighat slate and its equivalents of the Nawakot Complex of the Lesser Himalayan Zone in central Nepal established by [42] . This unit is separated from the Higher Himalayan zones by the Main Central Thrust (MCT) at upper part of the crown of Taprang landslide (Figure 2).…”

“…[37] studied the effect and losses caused by the Taprang landslide in and around the Taprang village and Madi River area and mentioned that the Taprang village is in high risk. Recently, [38] studies the development of Taprang landslide and revealed that advancement histories of landslide based on geology and clay mineralogy and shown that continue movement of this landslide threaten the lives and properties of Taprang village. These studies lacking of detail investigation based on geophysical and geotechnical parameters.…”