ANALYSIS ON THE CHARACTERISTICS OF VORTEX STRUCTURE IN HUAKUNTOUYINGZI AREA IN WESTERN LIAONING PROVINCE

The vortex structure in Huakuntouyingzi area in Western Liaoning Province, which is the result of plate collision and intra-continent orogeny, is composed of inner ring, outer ring and nappe. The inner ring is a complete lotus-form structure system, from center to outside, with lithostratigraphic units arranged in circle from old to new. The outer ring is the core of NEtrending Wafangzi anticlinorium, with Wumishan Formation as the main body. The inner ring and outer ring are separated by collapse faults and rotary compressive fault. Minerals related to the structure include lead, zinc and manganese deposits.