AbstractThe Lijiagou Pb‐ Zn deposit in Gansu Province is a syngenetic hydrothermal‐ depositonal and metamorphosed hydrothermal weakly‐reworked stratabound ore deposit. The metallogenic physicochemical conditions of the deposit are thoroughly dealt with in this paper according to its different mineralization stages. Based on the systematic study of metallogenic material sources, it is considered that the ore‐forming metals, ore sulphur and water of mineralizing fluids are mainly derived from the basement, reduction sulphur of marine sulfate and infiltrating heated meteoric water and partially recharged sea water, respectively. Finally, the metallogenic model of this deposit is esta
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