A review on utilisation of coal mine overburden . - ResearchGateNov 26, 2017 . From last few decades, coal mining industry in India is facing scarcity of river sand owing to some new mining legislations and its heavy demand in infrastructure development. The existing coal mine overburden dumps might be a good alternative for sand and provide a sustainable mining practice.sand making from overburden clay of coal mines,Use of overburden rocks from open-pit coal mines and . - IOPsciencefree brick texture obtained from overburden rocks of open-pit mines and waste coal improves the quality of . will reduce by 30% the costs for manufacturing of construction materials in comparison with their production . The waste coal is close to clays and consists of a mineral part represented by hydromuscovite, quartz.