The Bailing gold deposit is located in the middle part of the Changjiang fault-fold upwarping zone within the Lower Yangtze syneclise. The gold orebodies, in the irregular veinlike form, occurs in Middle Triassic Tongtoujian Formation. There are two major ore types, namely, oxidized ore dominated by gold -bearing limonite and primary ore dominated by gold-bearing pyrite. The average gold grade of the oxidized ore is 7.8 g/t, whereas that of the primary ore is 7.98 g/t, The gold-bearing minerals are mainly pyrite, limonite, quartz, illite, chalcopyrite etc. By means of ore microscopy, gold analysis of individual minerals, phase analysis, poly-spot analysis and electron microprobe analysis, we have identified the mode of occurrence of gold. Gold minerals are mainly native gold and, less commonly, electrum. Gold is rather fine in granulity and comprises mainly medium-or fine-grained micro-gold. The mosaic types of gold include inclusion gold, gold in intercbystalline pore and fissure gold. Gold has quite high fineness (906.5 on the average) and exists chiefly as minerals.