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Development of Taprang landslide, West Nepal
Regmi, Amar Deep1,2; Yoshida, Kohki3; Cui, Peng1; Hatano, Nozomi3
Corresponding AuthorAmar Deep Regmi
Source PublicationLANDSLIDES

This paper is about a large landslide located at Taprang, on the right bank of the Madi River in the west Nepal Himalaya. It attempts to reconstruct the evolution of the landslide from its initial state to the present conditions. Many large landslides involve multiple failure incidents in different times to attain their present size and shape. The Taprang landslide has also been active for more than 75 years and experienced many failure episodes. The slide lies in a very complex geological setting characterized by the presence of Main Central Thrust and some other folds as well as several joint sets and shear zones. It is developed on weathered graphitic schists, highly fractured and jointed quartzites, marbles, gneisses, and a few amphibolites. Landslide mapping revealed that the rocks are deformed and fractured. They have also undergone intense weathering. Laboratory analysis of rock and soil samples collected from the landslide and surrounding area shows that the weathered rocks, joint infillings, and shear zones are rich in clay minerals, especially smectite and montmorillonite having swelling properties. Besides, hydrologic, climatic, and anthropogenic factors operating simultaneously since a long time have also contributed significantly to the enlargement of the slide. The study indicates that the landslide has a high potential of future enlargement towards upper slopes.

KeywordLandslide Evolution Himalaya Rock Weathering Clay Minerals
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
WOS Subject ExtendedEngineering ; Geology
Indexed BySCI
WOS SubjectEngineering, Geological ; Geosciences, Multidisciplinary
WOS IDWOS:000401697900012
Funding OrganizationNepal Academy of Science and Technology (NAST) ; Chinese Academy of Sciences Presidents International Fellowship Initiative(2015PEO23) ; Chinese Academy of Sciences
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Hazards & Surface Proc, Chengdu 610044, Sichuan, Peoples R China
2.Nepal Acad Sci & Technol, Lalitpur, Nepal
3.Shinshu Univ, Dept Geol, Fac Sci, Asahi 3-1-1, Matsumoto, Nagano 3908621, Japan
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Regmi, Amar Deep,Yoshida, Kohki,Cui, Peng,et al. Development of Taprang landslide, West Nepal[J]. LANDSLIDES,2017,14(3):929-946.
APA Regmi, Amar Deep,Yoshida, Kohki,Cui, Peng,&Hatano, Nozomi.(2017).Development of Taprang landslide, West Nepal.LANDSLIDES,14(3),929-946.
MLA Regmi, Amar Deep,et al."Development of Taprang landslide, West Nepal".LANDSLIDES 14.3(2017):929-946.
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