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  • Essay / Mam Tor And Tor - 2186

    Once the location of a historically important Iron Age hillside, now famous for its geological features, Mam Tor is located in the Peak District approximately 2 km north-west of the village of Castleton, Derbyshire. Mam Tor is a classic example of a landslide with its distinctive landslide characteristics; it is very famous among geologists and scientists. The A625 from Manchester to Sheffield, built in 1819, bisects the main part of the landslide twice; it was permanently closed in 1979 due to repeated movement of the landslide. The landslide is a rotating landslide with a large debris flow at its base (British Geological Survey, 2014). It should be noted that the name Mam Tor is given to the highest point of the landslide which is located on top of a sandstone ridge which extends between the southern area called Hope Valley and the northern area called Edale. The geology of the main beds consists mainly of micaceous sandstones in the south and mudstones in the north (Skempton et al., 1989). The landslide occurred when a section of the Namurian Edale mudstones and overlying Mam Tor sandstone collapsed, causing an 80m high landslide. This event was estimated to have begun between 3,000 and 4,000 years ago (Arkwright et al., 2003). The landslide is still active to this day. The landslide has gradually moved over hundreds of years. A number of research papers containing measurements and trends of landslide movement have been published. Donnelly (2006) provided a comprehensive overview of the movements of the landslide and surrounding areas, paying particular attention to the effects on the A625. The road began to crack around 1910 with 2.5m of subsidence measured in January 1915...... middle of paper...... negative is the cost. Some equipment required for monitoring water movements and levels can be extremely costly and time consuming, for example TDR can be expensive and potentially easily damaged by water (Kane & Beck, 2013). Additionally, it may be necessary to bring in experts in specific areas of monitoring, which may also result in additional expenses. Overall, the best methods to use to characterize, monitor and predict landslides at Mam Tor would arguably be a combination of all three methods. Desk survey information and field data can be entered into a computer and used to create detailed GIS maps. GIS maps can be used effectively to characterize the type of landslide that has occurred or is occurring, in addition to ongoing monitoring of the landslide and surrounding areas and could potentially help predict any future movement or landslides...