Deep ore body positioning and prediction in Houtuan mining area of Dayingezhuang Gold Deposit in Jiaodong
Houtuan mining area is located on the periphery of the main mining area of Dayingezhuang Gold Deposit in Jiaodong,belonging to a deep and peripheral exploration area.Using a pluralized information exploration strategy,a combination of structure geochemistry-gamma spectroscopy-multi-polarize electromagnetics techniques was used to carry out ore prediction in the deep and peripheral areas of Houtuan mining area.Surface structure geo-chemistry and gamma spectroscopy measurements covering area 12 km2 were conducted,and through factor analysis,Au-Ag-As-Sb combination anomalies were identified as prospecting indicators in Houtuan mining area.Addition-ally,using the MPMT-18 multi-polarized magnetotelluric system,multi-polarize electromagnetics and anomaly inver-sion along Measurement Line L108-L136 and L80 were completed,determining the location of the deep Zhaoping fault in Houtuan mining area.Based on the anomalous features,distribution,and correlation of structural geochemical measurements,gamma spectroscopy measurements,and multi-polarize electromagnetics,combined with the favorable degree verified by drilling projects,a total of 8 exploration targets were identified.Among them,the A-1,B-1,B-3,C-2,and C-3 exploration targets were verified by drilling projects and yielded mineralization.
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