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extended generally in NE direetlon.’l’he mostof rhem are layer fauirs,arraying isometrieal-ly.The layer slips are eompound strueturesw irh NW一SE extending direetion,whieh of-ten oceurred near rhe toPs of eoal seamNo.7.8 and 10.The eoal seams No.7 andNo
extended generally in NE direetlon.’l’he mostof rhem are layer fauirs, arraying isometrieal-ly. The layer slips are eompound strueturesw irh NW-SE extending direetion, whieh of-ten oceurred near rhe toPs of eoal seam No.7.8 and 10. The eoal seams No.7 andNo