Mineralization Regularity And Mineralization Prediction Of Hedong Gold Deposit In Northwestern Jiaodong

Hedong Gold Mine is located in Zhaoyuan City,Shandong Province and is controlled by the secondary fault of Jiaojia Fault--the Wangershan Fault.The wall rock alterations are developed and the structural system is complex.In this paper,according to the research results of Hedong gold deposits in the current production and research status of Hedong Gold Mine at present stage and the deep prospecting problem,the metallogenic regularity and metallogenetic fluid properties of Hedong gold deposit are analyzed by means of fluid inclusions.Using pyrite genetic mineralogy method to analyze pyroelectricity of pyrite and gold mineralization.The test results of fluid inclusions in the Hedong Gold deposit show that the homogenization temperature of the inclusions is within the range of 250?³21?,the range of salinity ranges from 3.5 wt%to 14.4 wt%,the average value is 8.1 wt%,the density value is 0.602 g/cm³ to 1.037 g/cm³,and the average value is 0.8 g/cm³.It indicates that the ore-forming fluid of Hedong Gold Deposit is a low de Nsity and low salinity fluid.The No.H1 ore body in Hedong Gold Deposit is calculated and the metallogenic pressure range is between 13.6 Mpa and 186.9 MPa,and the metallogenic depth is calculated as 6.9 km.The study found that the fluid has immiscible characteristics.The crushing altered rock around the fault zone is the main location of the gold ore body.The mineralization has obvious characteristics of alteration zone.Comprehensive analysis shows that the Hedong gold deposit is medium and low temperature.Hydrothermal fracture alteration rock type gold deposit.The fluid inclusions in the Hedong Gold Deposit are mainly fluid inclusions of gas-liquid and gas-liquid three phases.The results of laser Raman spectrum analysis show that the main two components in the inclusions are H₂O and CO₂,respectively.The study on the mineralogical method of pyrite Genesis shows that the parameters of the thermoelectric coefficient of the sample in the Hedong mining area are mainly in the range of-278??/?to 335??/?,and the lead type is less in P type than in the N type.The overall performance is N,P mixed.The average value of the thermoelectric parameters of pyrite N is inverse to that of gold.P%and P are proportional to the overall position of gold.It is calculated that the average denudation of the ore body is 66.4%,It is still good prospect for deep prospecting in hedong gold mine.P-type pyrite mineralization temperature 133?²53?,N focus on pyrite mineralization temperature 250?³33?,the results is consistent with the fluid parcel cervix temperature research.