Comparison Of Gold Mineralization Characteristics In Zhaoping Fault Zone, Northwestern Jiaodong Peninsula

Dayingezhuang, Xiadian and Jintingling gold deposits are three typical gold deposit which located in the Zhaoping fault zone. The mineralization and the control factors of the three gold deposit are similar, but the mineralization scale and the grade are quite differrent.Dayingezhuang,Xiadian and Jintingling deposits showed that mineralization is closely related to the pyritization, silicification, sericitization and during the mineralize-ation, while some metallogenic element such as Cu,Pb,Zn are carried in with different extent. The more quantity of SiO2and TFe2O3carried in during the metallization in Xiadian gold deposit than in Dayingezhuang showed that Xiadian was more intense in p yritization, silicification, also in gold mineralization. The less quantity of Cu,Pb,Zn and CaO and MgO carried in in Dayingezhuang gold deposit showed the less intense in gold mineralization and the less metallogenic elements carried in during the gold mineralization. The larger fraction factor of the Xiadian gold depost showed the more intense hydrothermal activity than Dayingezhuang gold deposit. The smaller variation of concentration of SiO2、TFe2O3from walk rock to ore body and trace element concentration of different mineralization stage of pyrite showed Dayingezhuang gold deposit own stable mineralization, and larger in size compared with Xiadian gold deposit. The general character of the quantity of chemical composition migration showed that Xiadian gold deposit own a more intense auriferous mineralizeation but smaller size of reserves compared with Dayingezhuang gold deposit.lt showed that the quantity of Cu+Pb+Zn、As、 Ga+In+Cd+Tl in Xiadian gold deposit is larger than the other two gold deposit and the grade of Xiadian gold deposit showed the same trend, the quantity of Cu+Pb+Zn、 As、Ga+In+Cd+Tl in the pyrite fits well with the grade of the ore body. But the varation of the concentration of Cu+Pb+Zn、As、Ga+In+Cd+Tl of different stage pyrite showed that the mineralization scale of Dayingezhuang gold deposit is larger than Xiadian gold deposit. But the smallest size of Jintingling gold deposit doesn’t fit well with the smallest variation of the concentration of the Cu+Pb+Zn、As、 Ga+In+Cd+Tl of different stage pyrite. The trace element assemblies in pyrite are varied as cyclic oscillation along vertical in the Dayingezhuang and Xiadian gold deposit. The assembling character of the concentration of the pyrite showed deep gold prospecting in Xiadian and Jintingling gold deposit, but the deep character is not clear in Dayingezhuang gold deposit.