甘肃北山音凹峡地区水系沉积物测量地球化学特征及找矿靶区优选
陈海云,龚振中,杨镇熙,任长旭,周兆明

Geochemical Characteristics of Stream Sediment Survey and Prospecting Target Selection in the Yinwaxia Area,Beishan,Gansu Province
Haiyun CHEN,Zhenzhong GONG,Zhenxi YANG,Changxu REN,Zhaoming ZHOU
表2 音凹峡地区水系沉积物地球化学参数统计结果
Table 2 Statistical results of geochemical parameter of stream sediments in Yinwaxia area
元素地球化学场(N=7 282)地球化学背景场D北山水系沉积物背景值
XˉδCvKkXˉ0δ0Cv0Kk0
Cr29.6528.280.951.1626.079.890.381.023.2525.6
Co6.384.240.661.606.253.780.601.561.154.0
Ni13.2214.961.130.9211.916.910.580.832.4014.3
Cu13.398.340.620.9912.896.410.500.951.3513.5
Zn49.3826.260.531.3548.2319.760.411.321.3636.6
Mo1.000.530.532.000.950.340.361.901.640.5
Ba415.82214.480.520.52413.11154.960.380.521.39796.0
W1.366.154.521.701.020.620.611.2813.230.8
Pb21.459.940.461.2521.118.350.401.231.2117.1
Bi0.290.321.101.450.270.190.701.351.810.2
As4.715.541.180.964.213.020.720.862.054.9
Sb0.551.903.451.100.470.220.470.9410.110.5
Sn1.210.650.540.641.140.320.280.602.161.9
Ag49.4315.850.320.9648.447.070.150.942.2951.5
Hg57.5016.020.286.2557.5215.970.286.251.009.2
Au4.4317.423.933.693.630.800.223.0326.571.2