Zhejiang province is located in the middle of the west circum-Pacific volcanic belt， which is the main structural and magmatic activity belt during Mesozoic and Cenozoic time in the eastern part of our country， and also the important component of the Pacific tectono-magmatic metallogenic The giant Jiangshan - Shaoxing joint belt divide province into two major geological structures- east Zhejiang unit and west Zhejiang unit which belongs to the southeast edges of the Yangzi P East Zhejiang belongs to South China fold system which features vast development of draped Mesozoic volcanic and red sedimentary Widely invaded igneous rock and Proterozoic metamorphosed strata exposing like fault block uplift presents "one old， one new" geologic structure
