Metallogenesis and Prospecting Forecast of the Wanquanzi Silver Deposit in the Zhangjiakou Area
wang xiao-zhi1; niu shu-yin1; liu ya-ming1; sun ai-qun1; wang bao-de1; guo peng-zhi2 zheng mei3; wang jin-long3(1.shijiazhuang university of economics; resource college; shijiazhuang 050031; hebei; china; 2.tianjin north china geological exploration bureau; 300181 tianjin; china 3.wanquanzi silver peposit; zhangjiakou; 075100; china)