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In order to make a new breakthrough in the exploration of crystalline graphite deposits in northern Jiangsu, it is of great significance to study the metallogenic law and prospecting model of typical graphite deposits in the Sulu orogenic belt ( Jiangsu section). By summarizing the geological and geophysical characteristics of Shuanghu graphite deposit, combined with the study of its metallogenic model and key prospecting elements, the prospecting prediction model was summarized. The research shows that the Shuanghu graphite ore body occurs in a set of marble granulite quartzite of the amphibolite marble formation of the East China Sea complex in a layered and lenticular shape. The ore bearing lithology is graphite quartzite and graphite containing marble, which is formed by multistage regional metamorphism. Shuanghu graphite mine is a regional sedimentary metamorphic crystalline graphite mine. The occurrence, scale and shape of ore (chemical) body are controlled by marble, which is not only the ore bearing parent rock, but also the ore bearing surrounding rock. The graphite mineralized body is basically consistent with the anomaly of low resistance and high polarization. On this basis, a geological geophysical prospecting prediction model is established. It can be seen that IP measurement near the ore bearing strata is a method to quickly determine the prospecting prospect [ABSTRACT FROM AUTHOR]