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Geomorphologic and Structural Controls on Landslide Types in Nigeria

  • Ogbonnaya IgweEmail author
Conference paper

Abstract

Complex rock-debris avalanches, debris flow, soils slip and earth slumps in Nigeria lead to the destruction of lives and resources worth several millions of dollars annually. While long travel landslides, which are almost always catastrophic, mostly occur on igneous and metamorphic terrains at the boundary of Nigeria and Cameroon, the south east sedimentary terrains are subject to deep and wide gullies resulting from aggressive erosion and slumping movements. Slope failures in the two regions are therefore distinctively different with research revealing that the differences are in geology, structural geometry, style of deformation, slope gradient and the volumes involved. At the Nigeria-Cameroon border, complex, rock-debris avalanches are found on steep dipping slopes, where slope parallel, basal sliding planes along foliation and lineation surfaces control failure and mobility of materials downslope.

Keywords

Geomorphologic Structural Control Sedimentary rocks Hard rocks Nigeria 

Notes

Acknowledgements

The author is grateful to ICL for approving WCoE and IPL projects that aided this work. I am indebted to my colleagues and Ph.D. students who work very hard to earn a Degree.

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.University of NigeriaNsukkaNigeria

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