Abstract
According to the hydrogeological conditions, dynamic characteristics of tectonic deformation and geometric features, the fault structures in the Panxie mining area were divided into seven types respectively were horst, graben, graben-horst combination, forward (reverse) thrust structure, imbricate thrust structure, strike-slip structure, and others. Meanwhile, the q-structural styles boxplot had been constructed to analyze the water abundance of the karst formation aquifer. It has been verified via the practical drilling core data. The final results were that the water-rich characteristics of the deep karst water controlled by the seven structural styles were different. The water abundance of graben-horst combination structure was strongest; the next was the horst in deep which was stronger than the graben. Then, the imbricate thrust structure, strike-slip fault, and other structural styles had low water abundance in deep karst aquifer. The results can be aimed at different structural styles to guide the prevention and control of karst water hazards on the floor of Group A coal mining.
Highlights
The crustal structure style has always been a research hotspot of geosciences, which is of great significance to exploring the evolution mechanism of exploration plate movement and the global geology framework [1] [2] [3]
According to the hydrogeological conditions, dynamic characteristics of tectonic deformation and geometric features, the fault structures in the Panxie mining area were divided into seven types respectively were horst, graben, graben-horst combination, forward thrust structure, imbricate thrust structure, strike-slip structure, and others
According to its the hydrogeological conditions, fracture classification and division of structural units, fracture profile morphology and stress mechanism, the fault combination structure in the area was divided into seven styles, and the unit water inflow-structural style box plot was used to analyze the water richness of Taiyuan formation aquifer
Summary
The crustal structure style has always been a research hotspot of geosciences, which is of great significance to exploring the evolution mechanism of exploration plate movement and the global geology framework [1] [2] [3]. This study combines quantitative analysis with qualitative analysis, applies theory to practice, which creates new ideas and methods for exploring the law of water control in deep, and provides a theoretical basis for the prevention and control of karst water damage in coal mines
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