The Southeastern XiaoXing’An Mountains are a part of grand- scale of“Sea of Granites”in Northeast Mesozoic located in Eastern XingMeng orogenic belt. In this dissertation, based upon the research in the temporal and spatial evolution of Early Mesozoic Granites、genesis and the formation of tectonic background and petrogenesis and mineralization in the region, the metallogenic series of ore deposits were divided, diagenetic and metallogenic model were established, and metallogenic prospective zones were enclo...