胶东金地球化学背景研究
陈玉民,曾庆栋,孙之夫,王昭坤,范宏瑞,肖风利,褚少雄

Study on Geochemical Background Field of the Gold Deposits in Jiaodong,China
Yumin CHEN,Qingdong ZENG,Zhifu SUN,Zhaokun WANG,Hongrui FAN,Fengli XIAO,Shaoxiong CHU
表2 胶西北三山岛金矿深钻样品Au元素分析结果统计
Table 2 Statistical of gold element analysis results of rock core samples of the deep drill holes from the Sanshandao gold deposit,northwest Jiaodong
岩性w(Au)/(×10-9w(Au)最小值/(×10-9w(Au)最大值/(×10-9样品数量/件样品采集地区
胶东变质岩0.790.281.8994胶西北三山岛金矿
中生代花岗岩0.770.262.50209胶西北三山岛金矿
蚀变岩152.300.335 520108胶西北三山岛金矿
辉长岩0.630.301.6418胶西北三山岛金矿
煌斑岩0.930.461.8310胶西北三山岛金矿
酸性脉岩0.820.331.4513胶西北三山岛金矿
大陆地壳1.21中国东部
华北地台大陆地壳1.01 207华北地台