Petrogenesis and Mineralization of the Tongshan Skarn Cu–Au Deposit, Lower Yangtze Metallogenic Belt

The Tongshan copper deposit in Anqing-Guichi Cu-FeAu-Mo district is a typical skarn deposit in the Lower Yangtze River metallogentic belt, which is located at the northern margin of the Yangtze craton and bordered by the Dabieshan orogenic belt to the north. The ore bodies are related to Tongshan granodiorite and quartz monzonite porphyry, which intruded mainly into Middle Carboniferous Huanglong-Chuanshan Formation, Lower Permian Qixia Formation carbonates and is characterized by porphyritic textures and carbonization. The location of ore-forming intrusions is controlled by the intersecting places between the NE and EW trending fault structures.