Abstract Arapid radon survey method for detecting blind orebodies, the 218Po me thod, is presented in this paper. The working principle, characteristics and ore-searching effects of this method are described in brief, and the possibility of using218Po method in search for blind orebody is discussed. In the end, the interpretation methods for the result of 218Po survey is emphatically illustra ted. It is obvious that the 218Po survey technique can be used not only to look for blind orebodies, but to predict quantitatively buried depths and sizes of blind orebodies.
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