GOCAD 3D Modeling And Metallogenic Prediction Of The Qujia Gold Deposit In Shandong Province

China is a country with mineral resources.However,with the economic development and population increase,and the mineral resources are all non-renewable resources,the surface and shallow mineral resources have been fully utilized and gradually exhausted.Therefore,the geological circle has begun to turn its attention to the deep mineral resources with huge potential but difficult exploration.Under this background,3d geological modeling provides a new way for us geologists to search for deep mineral deposits.With the help of three-dimensional deep visualization model,geological professionals can more directly grasp the spatial distribution of ore bodies,so as to make a reasonable evaluation of the deep resources in the area,and then guide the deep prospecting work.This paper studies deeply the predecessors' achievements,the composer arranges data such as materialized and analysis,with the aid of 3D modeling platform SKUA-GoCAD,modeling by explicit and implicit modeling,find out the composer gold metallogenic regularity of gold deposits,the composer has made the gold mining area was carried out on the composer mining gold metallogenic prediction,and finally marking out prospecting potential of the target area.The cognition and conclusions obtained are as follows:(1)Collected the previous geological exploration data of Qujia gold mine comprehensively,and created the corresponding database,collected and sorted out the geological data of Qujia gold mine in the recent ten years,and established the corresponding database,which laid a good data foundation for the follow-up production and scientific research work of Qujia gold mine.Based on this,through 3D explicit modeling,the 3D orebody and surface models are created,and the 3D visualization research of Qujia mining area is realized.(2)Through detailed field underground exploration,borehole sampling and detailed sample information recording,spectral alteration mineral identification experiment and XRF element analysis data were carried out in The Qujia mining area to obtain indicator mineralization information and data.The alteration minerals and metallogenic relationships in the local range from line 5 to line 20 of The Qujia goldmolybdenum deposit were discovered,and the alteration types and geochemical element combinations closely related to mineralization were searched,so as to find the metallogenic targets.(3)Relying on the geophysics model of jiaodong ore-gathering area of the team's project of "Deep process and metallogenic mechanism of north China Craton mineralization System",the resistivity model and magnetic anomaly model of part of The Qujia ore deposit were selected to provide geophysical basis for prediction of metallogenic target area.(4)Implicit modeling was carried out for the gold grade of the ore deposits,namely interpolation and uncertain attribute modeling,and the integrated model was obtained comprehensively,thus delineating the favorable target area for ore prospecting.This study provides Suggestions for further mining in Qujia mining area.