河南嵩县九仗沟金矿床地球化学特征与勘查模式

张勇,李水平,荆鹏,冯攀

Geochemical Characteristics and Exploration Model of the Jiuzhanggou Gold Deposit，Songxian County，Henan Province

Yong ZHANG,Shuiping LI,Peng JING,Pan FENG

表1 九仗沟金矿F1构造蚀变带土壤地球化学异常特征值

Table 1 Characteristic values of soil geochemical anomalies in the F1 tectonic alteration zone of Jiuzhanggou gold mine

元素 样品数/个 平均值 标准离差 确定背景值 确定异常下限 异常浓度分带 外带 中带 内带 Au 363 5.69 4.30 3.00 6.00 6.00~12.00 12.00~24.00 >24.00 Ag 369 0.14 0.07 0.10 0.20 0.20~0.40 0.40~0.80 >0.80 Cu 358 27.6 9.37 25.0 45.0 45.0~90.0 90.0~180.0 >180.0 Pb 330 45.0 23.6 40.0 90.0 90.0~180.0 180.0~360.0 >360.0 Co 397 12.4 3.68 14.0 20.0 20.0~40.0 40.0~80.0 >80.0 Ni 398 21.3 8.93 20.0 40.0 40.0~80.0 80.0~160.0 >160.0 As 393 11.9 5.15 12.0 20.0 20.0~40.0 40.0~80.0 >80.0 Bi 383 0.39 0.13 0.40 0.70 0.70~1.40 1.40~2.80 >2.80 Hg 389 0.06 0.03 0.03 0.07 0.07~0.14 0.14~0.28 >0.28