The Xigeda soil is made up of siltyloam and silt soil in Panzhihua region, minerals of which are mainly quartz and plagioclase with clay minerals, montmorillonite, illite and kaolinite.
Through analysing the stability, economic and safe side-slopes of the earthbank with different heights, composed of sandy loam, light siltyloam and medium siltyloam in Shaanxi Province are obtained.