Experimental Study On The Opposing Coils Transient Electromagnetic Method Of Saihan Aobao Lead-Zinc Deposit In Hexigtengqi Inner Mongolia
Hexigteng-Ulanhot is an important Fe-Cu-Pb-Zn-Ag-Sn-Mo polymetallic metallogenic belt in the southwest of the Greater Xing'an Range.Saihan Aobo Pb-Zn deposit,located in the southwest of the Hexigtengqi-Ulanhot polymetallic metallogenic belt.It is a medium-low temperature hydrothermal filled Pb-Zn polymetallic deposit,controlled by fault structure.The results of surface vertical and tunnel horizontal sounding tests conducted on known major ore body areas by opposing coils transient electromagnetic method(OCTEM)show that resistivity inversion results can well reflect the structural fracture zone,mineralized corrosion variant and water-rich fissure with low resistivity characteristics.Combined with the analysis and understanding of previous exploration results,Six lens-shaped depressions with medium and low resistance or high and low resistance gradient anomaly zones related to known ore-finding and stratigraphic unconformity were delineated,which provided a basis for subsequent drilling deployment.
Saihan Aobolead-zinc depositopposing coils transient electromagnetic methodfavorable metallogenic site
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