The Mineral and Geological Exhibition Hall of China National Nonferrous Industry Corporation, located at Xi'an City of Shaanxi Province, is a state-level special exhibition hall of metal minerals. The Exhibition Hall, prepared in 1979 and opened to the public in 1986, covers a space of 7,000 square meters, of which 2,460 square meters is for exhibition, and has a collection of over 5,000 samples. The display is arranged in the form of showing the typical deposit of the metal minerals in the respective provinces (regions), displaying the main metal minerals of the various provinces (regions) in China and their mine areas (belts). By 1989, exhibition rooms for eighteen provinces (regions) had been completed, namely, Hebei, Inner Mongolia, Liaoning, Jilin, Heilongjiang, Jiangsu, Jiangxi, Henan, Hunan, Guangdong, Guizhou, Yunnan, Shaanxi, Gansu, Qinghai, Guangxi, Zhejiang and Xinjiang, displaying 163 mineral deposits, large and medium, and 2,500 samples. The key deposits on display are the large-scale and super large-scale deposits, known both at home and abroad, and the newly explored deposits, such as the aluminum mine at Pingliang, the copper mine at Dexing, the copper mine at Dongchuan, the tungsten mine at Fujia, the copper mine at Baiyinchang, the lead-zinc mine at Xicheng, the lead-zinc mine at Shuikoushan, the lead-zinc mine at Fankou, the tungsten mine at Huangsha, the tungsten mine at Dajishan, the tin mine at Dachang, the tin mine at Gejiu, the smithsonite mine at Jintuicheng, the mercury mine at Wanshan, the stibium mine at Xikuangshan, the nickel mine at Jinchuan, the gold mine at Jiapigou, the gold mine at Tuanjiegou, the rare metal mine at Keketuohai, the iron mine at Baiyun'e'bo, the silver mine at Yintongxiao, and the iron mine at Meishan.
In addition to the brief introduction to the metal minerals in the various provinces (regions) and the models of mineral distribution, also on display are the achievements of scientific researches on the geological features of the main metal deposits, the rules of mine formation, the modes of the causes of formation, and the ways to find the mines.
With practice, the Chinese geologists have put forward and established the mode of cassiterite -- the formation cause of sulphide-type tin mine, the mode of five-layer formation cause of quartz lode type tungsten mine, and the mode of formation cause of porphyry smithsonite mine. Their theory has played an important role in the guidance of finding mines. Besides the samples of various kinds of mineral deposits in complete set, the exhibits also include typical rare samples, such as the large crystal cluster of stibnite at Xikuangshan in Hunan, the malachite at the Shilu Copper Mine in Guangdong, the native mercury ore at the Shanyang Mercury Mine in Shaanxi, and the cinnabar hill at the Wanshan Mercury Mine in Guizhou.