Abstract:Xiangshan uranium orefield in South China is a representative orefield of hydrothermal uranium deposit. The fracture structures are developed, which can be divided into stress-induced fracture structures and fluid-induced fracture structures (hydraulic fracture structures) according to the different sources of force. Fluid-induced fracture structures is the metallogenic structure of Xiangshan uranium orefield.In recent years, the author has made more discussions on the metallogenic structure of Xiangshan uranium orefield, but the combing and induction of the stress-induced fracture structure is relatively weak, the understanding needs to be deepened, and the significance of the location and prospecting of uranium deposits has not attracted enough attention.Through geological and geomorphological surveys, structural special surveys and AMT survey data analysis, a combing analysis of stress-induced fracture was conducted.The results showed that the main manifestations of stress-induced fracture structures were NE-direction, NW-direction and SN-direction faults, which were mostly distributed along the valley, and the tectonic rocks were loose and not completely cemented.The AMT surveys show a low-resistivity anomalous zone, closely related to warm and hot water, and is a product of late Cenozoic tectonic activity.The stress-induced fracture structures control the modern geomorphological structure pattern of Xiangshan, especially the NE-direction faults, which have a particularly profound influence, resulting in the stratiform-like volcanic intrusive complex of Xiangshan from southeast to northwest in a stepped subsidence, and buried in the deep part of the late Cretaceous red bed in the west, forming a component of the direct base of the red bed, indicating a good prospect for prospecting in the deep part of the red bed.