Analysis on Coal-control Structural Style in Coal Regions of Northwest China

Because of the weakness of studying on coal-control structural styles in coal-bearing zones in Northwest China, coal resources exploration often falls into a passive situation and survey results are affected. Through the analysis of coal basement features, late regional fault systems and distribution characteristics of coal measures, seven typical coal-control structural styles are summarized and determined, and their genetic mechanism is analyzed comprehensively and scientifically based on the structure framework “five belts” and “three blocks”. Especially the gentle slope overthrust-type structural style is a new understanding to coal structure features, expanding the scope of searching for coal. The study results have theoretical significance for guiding the exploration of coal resources and improving the effectiveness of geological exploration; practical significance for ensuring large-scale coal bases construction and speeding up westward movement of coal industry.