Factor analysis and fractal modeling were combined to study the 1:50000 geochemical data of Heiyingshan, Inner Mongolia, so as to recognize ore-induced geochemical anomaly. First, sample factor analysis of 10 elements mainly includes three factors: F1 consists of Zn-Cd-(Cu), F2 consists of Ag-Mo-Cu-Bi, and F3 consists of Sn-As-Pb-Sb. Second, the F2 factor score is further modeled by Concentration-Area (C-A) factor model. The fractal fitting lines of four segments were obtained from the log-log graph of Area-F2 factor score, which represent "low background area without prospecting potential", "background area", "high background area" and "high prospecting potential area", respectively. In the subsequent prospecting work, several mineralizations and alterations were found in the "high prospecting potential area". Some conclusions have been reached: F2 factor reflects the hydrothermal metallogenic process and can be used as a comprehensive index for the spatial aggregation of major metallogenic elements in the study area. The C-A fractal model can accurately delineate the boundary of F2 factor "high metallogenic potential area". The "high metallogenic potential area" can be used as the basis for delineating the prospecting target.
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