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Huge thick conglomerate movement induced by full thick longwall mining huge thick coal seam[J]. Ma Liqiang a,b, , Qiu Xiaoxiang c, Dong Tao a,b, Zhang Jixiong a,b, Huang Yanli a,b a School of Mines, China University of Mining & Technology, Xuzhou 221116, China b State Key Laboratory of Coal Resources & Mine Safety, Xuzhou 221008, China c China Yongcheng Coal and Electric Power Group Corporation Ltd., Yongcheng 476600, China.International Journal of Mining Science and Technology. 2012(03)