Application and Discussion of Comprehensive Geophysical Exploration Methods in Advanced Prediction of a Lead-zinc Mine Construction
The lead-zinc mine is located in the southern Guizhou,belonging to the typical karst land-form.The ore body is buried within 500 meters,and the surrounding rock is mainly limestone and dolomite.The main factors which threat to the construction and production of the mine are fault cracks,water-rich blocks,un-stable rock masses and so on.In this article,it uses three geophysical survey methods,audio magnetotelluric method(AMT),transient electromagnetic method,and high-density electrical method,for surface and shaft measurement,combined with known conditions such as geological drilling and construction tunnels,to provide long-term tracking and service work for mine construction and production.It summarizes the all side advanced prediction method,which guides the mine construction and production work effectively.This method has certain generalization significance and can provide more objective evaluation basis for face excavation,shaft disaster prediction,etc.
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