黄金科学技术 ›› 2021, Vol. 29 ›› Issue (4): 477-488.doi: 10.11872/j.issn.1005-2518.2021.04.186
• 矿产勘查与资源评价 • 下一篇
Hongke FAN1(),Genming GUO2,Bobo DONG2,Kai ZHANG2,Yuxin LIU1
摘要:
为了查明松树达坂金矿区土壤地球化学异常源,寻找金的矿化富集段,在矿区开展1∶2 000岩石地球化学剖面测量工作,圈定近NWW向展布的Au、As、Sb、Hg、Cu和Bi等元素原生晕综合异常带2条。通过异常查证,新发现金矿体3条,工程控制矿体长60~120 m,厚1.00~3.25 m,金品位为0.65×10-6~2.85×10-6,取得较好的化探异常圈定和地质找矿效果。综合分析矿区岩石地球化学综合异常和金矿化特征,认为与松树达坂次级韧性剪切带有关的中泥盆统萨阿尔明组第一亚组上段是寻找金矿的有利地段,也是重要的找矿标志层位。金矿体严格受韧性剪切带控制,矿区具有寻找韧性剪切带型金矿床的潜力。
中图分类号:
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