The Soil Geochemical Survey And Prospecting Forecast Of Beishacheng Pb-zn-polymetallic Ore Area In The Kangbao County Of Hebei Province

Kangbao county in Heibei province Beishacheng lead-zinc polymetallic mining area is located in the north of Kangbao-Weichang deep fracture,Belonging to the Inner Mongolia-Greater Khingan Mountains fold belt,The strata in the region are comprehensive.There are many folds and faults,magmatic activity is strong,and metallogenic geologic condition is superior.This time,we have worked in the working area for a soil geochemical survey of15 square kilometers,The sampling network is 100 x 40 m,and the appropriate particle size and layer position are selected for sampling and testing,and the sampling horizon is determined as B layer,and the particle size is-4 to 20.Analyze Cu,Pb,Zn,Ni,Cr,Bi,Sn,Mo,W,U,Ag,As,Sb,Hg,Au 15 elements.3637 samples were analyzed.Data statistics and analysis of test results,using the iterative method,85% cumulative frequency method,the boxplot method analysis and calculation of each element background values and threshold,the threshold comparison,choose the most reasonable iteration threshold,single element anomalies,single element anomaly map.The distribution of elements and the characteristics of single element anomalies were evaluated,and the data were analyzed by multiple statistical analysis,including element correlation,cluster analysis and factor analysis.Reveal the distribution and combination features,to determine the element assemblages of exploration area,on the basis of this selects the main mineral of the work to Pb,zinc,comprehensive anomaly Ag,delineated the abnormal area,combining with its geological characteristics of evaluation,delineated prospecting target area 2.Suggest further work.