藏南康马县布主金（锑）矿土壤地球化学异常信息提取及成矿预测

张宇,魏俊浩,石文杰,李国猛,周新琪,毛国正,刘成林

Soil Geochemical Anomaly Information Extraction and Metallogenic Prediction of the Buzhu Gold（Antimony） Deposit in the Kangma County，South Tibet

Yu ZHANG,Junhao WEI,Wenjie SHI,Guomeng LI,Xinqi ZHOU,Guozheng Mao,Chenglin LIU

表7 土壤地球化学异常特征组合基本地球化学参数

Table 7 Basic geochemical parameters of the soil geochemical anomalies combination

异常编号 异常元素 样点数 异常下限 峰值 异常均值 面积/km2 衬度值K 规模 HS-1 Au 7 6 187.0 37.16 0.039 6.19 0.242 Ag 8 250 3 980.0 824.83 0.054 3.30 0.178 As 6 180 1 000.0 580.83 0.043 3.23 0.139 Pb 2 40 2 634.0 249.60 0.008 6.24 0.047 HS-2 Au 9 6 397.0 59.56 0.035 9.93 0.347 Ag 31 250 3 990.0 673.12 0.105 2.69 0.283 HS-3 Au 89 6 416.0 46.03 0.352 7.67 2.700 Ag 19 250 3 990.0 673.12 0.083 2.69 0.223 As 116 180 1 000.0 519.36 0.461 2.89 1.330 Sb 7 8 69.1 22.06 0.035 2.76 0.097 HS-4 Au 8 6 168.0 77.45 0.015 12.91 0.194 Ag 6 250 2 340.0 925.72 0.014 3.70 0.052 As 6 180 1 000.0 632.70 0.012 3.52 0.042 Pb 7 40 1 330.0 228.47 0.021 5.71 0.120 HS-5 Au 33 6 500.0 48.16 0.118 8.03 0.947 Ag 46 250 2 320.0 349.70 0.109 1.40 0.152 As 88 180 1 000.0 322.19 0.253 1.79 0.453 Sb 16 8 100.0 16.48 0.066 2.06 0.136 Pb 18 40 5 000.0 232.92 0.118 5.82 0.687 HS-6 Au 8 6 74.1 53.20 0.034 8.87 0.301 Ag 5 250 4 410.0 1 083.74 0.026 4.33 0.113 As 18 180 1 000.0 357.23 0.072 1.98 0.143 Pb 10 40 2 100.0 251.80 0.348 6.30 2.191 HS-7 Au 8 6 328.0 53.03 0.034 8.84 0.301 Ag 7 250 4 120.0 911.39 0.023 3.65 0.084 As 18 180 1 000.0 320.08 0.070 1.78 0.124 Sb 9 8 42.1 13.33 0.024 1.67 0.040 Pb 12 40 2 550.0 267.70 0.035 6.69 0.236