安徽省祁门—黟县地区水系沉积物地球化学特征及找矿方向

翁望飞, 王德恩, 王邦民, 丁勇, 王拥军

Geochemical characteristics of stream sediments and prospecting direction in Qimen-Yixian area of Anhui Province

Wang-Fei WENG, De-En WANG, Bang-Min WANG, Yong DING, Yong-Jun WANG

图3 祁门—黟县地区成矿元素变异系数离散程度图解 Cv1—循环剔除高低值前变异系数;Cv2—循环剔除高低值后变异系数

Fig.3 Variation coefficients of ore-forming elements in Qimen-Yixian area Cv1—coefficient of variation before cyclic elimination of high and low values; Cv2—coefficient of variation after cyclic elimination of high and low values