Radiometric sorting is a separation method in which the natural radioactivity of ores and their different reaction after being radiated are used for separating useful minerals and waste rocks.

• 辐射分选是利用含有用元素的矿块和废石块在受照射后反应的差别或其本身放射性的差别而将矿石与废石分开的一种分选方法。