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An exploration method for the radiation of ion adsorption-type rare earth element deposits based on multi-channel gamma-ray spectrometry: A case study of the Dechang area in the Panzhihua-Xichang region
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图3 狮子山浅钻采样品位(红线为边界品位)
Fig.3 Shallow drill sampling grade map of Shizishan (red line is boundary grade)