On Feb 13-17, 2017, the staff of GXMN went to Nandan for the survey of ancient mine site.
Nandan county has rich mining resources. According to recordings, mineral mining started from Tang dynasty. From this survey, the staff surveyed the ancient mine caves and pits in places like Taibaochong, Datou village, Mengying Hill of Lasi village within Nandan and collected some ore samples and pottery and ceramic fragments on earth surface. In addition, they surveyed the surround ancient tombs. The key point of this survey was Nandan’s tin ore mining and exploiting site for further research of bronze drum metallurgy technology and origin of Guangxi bronze civilization.