DOI: 10.11799/ce202504017
Study on coal seam occurrence characteristics from perspectives of mining depth,tectonism and region
ZHAO Nannan
ZHANG Wenle
HAN Zhenguo
Abstract：In the mining area of Yangcheng Branch Company,the coal seam inclination is large,the fault is developed,and the coal seam occurrence characteristics are complex,which restricts the safe and efficient mining.In view of the above problems,we applied the method of correlation and regional comprehensive comparison to clarify the influence law of mining depth and fault on the coal seam occurrence characteristics,thus to provide a reliable geological basis for the safe and efficient mining in the future.The correlation law between mining depth and the change of coal seam roof was clarified:with the increase of mining depth,the immediate roof mudstone layer of coal seam becomes thinner and the main roof sandstone layer becomes thicker.The regional characteristics of coal seam and floor variation under the influence of faults were obtained:under the tectonism influence,the roof and floor mudstone layers thicken,the main roof sandstone layers become thinner in the Jizhaung Fault area,and the regularity of the branch fault regions becomes more obvious.The No.8 mining district was greatly affected by fault tectonics,and the variation characteristics of the roof and floor areas and the fault influence law are consistent in the No.6 mining district.
Keywords：coal seam occurrence characteristicsmining depthfaulttectonismregionality
Publication Date：2025-04-20
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：7( 116-122 )