Al, K and Sn are indicator elements for ore prospecting work in the Heicigou gold orefield and reflect rather objectively main ore prospect areas in the region.

 
  • 铝、钾、锡应是黑刺沟金矿田的蚀变围岩指示元素,其更客观地反映了区域内的金的主要成矿远景区;
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