Research on Source of Ore-forming Materials of Laowan Gold deposit in Tongbai County, Henan Province
Wan Shouquan 1,2 Xu Youling2 (1Henan Institute of Geological Survey; 2 Henan Bureau of Geo-exploration and Minerals Development)
The materias source base and material condition of mineralization, the main source of rare earths element in ore of Laowan Gold Deposit are analyzed. The unbalance causes of sulphur isotop composition in the ore body are discussed. Based on the research on lead isotop in the ore and ore-forming fluid of Laowan Gold Deposit, it finds out that the ore-forming materials mainly come from Guishanyan formation of mesoproterozic which experienced hydrothermal sedimentation, and partially from Laowan granite masses.