scraping trench

The discovery and significance of the Badaogou Au deposit,Changbai area,Jilin Province;

吉林长白八道沟金矿的发现及意义

Geochemical Statistical Analysis for Geological Controlling Factors of Mineralization of Sidaogou Gold Mine;

四道沟金矿地质控矿因素地球化学统计分析