The ore - bearing fluid of dabaoshan deposit was relate to magmatic thermal dynamic process and formed hydrothermal sedimentary polymetallic deposit at seafloor . the ore - bearing fluid of fankou was relate to circulation hydrothermal fluid in deep formation and formed pb - zn - ag - hg polymetallic middle - lower temperature sedimentary deposit by sea - floor thermal spring overflowing 大宝山型流体与岩浆热动力作用有关，形成海底火山热液沉积多金属矿床；凡口型流体与深部建造的循环热液有关，形成中低温海底热泉喷溢沉积铅锌银汞矿床；红岩型流体与盆地成岩压实水有关，形成低温单一黄铁矿矿床。
