ZHAI Wei ),YUAN Guibang ),LI Zhaolin ),HUANG Donglin ),WEN Yongjun ) ) Department of Earth Sciences, Sun Yat-sen University, Guangzhou,) State Key Laboratory for Mineral Deposit Research, Nanjing University, Nanjing,) Tianjin Institute of Geology, Mineral Resources, Tianjin,) Hetai Gold Mine, Gaoyao, Guangdong,.2005. U-Pb Isotope Age of Zircons in Gold-bearing Quartz Veins from the Hetai Gold Deposit, Western Guangdong, China: Constraints on the Timing of Gold Metallogenesis[J]. Geological Review,51(3):340-346.