1. 砂金：alluvial deposit 冲积矿床 | alluvial gold 砂金 | alluvial mining 砂矿开采
2. 冲积砂金：alluvial filter 冲积式过滤器 | alluvial gold 冲积砂金 | allyl alcohol 烯丙醇
3. 砂金;冲积金：alluvial fan 冲积扇 | alluvial gold 砂金;冲积金 | alluvial gravel 冲积砾石
4. 沙金色：墨绿色 blue green | 沙金色 alluvial gold | 银色 silver
1. We hope the logic behind the ban on alluvial gold mines will prevail once again.
2. Alluvial gold mines are among the most destructive of all mining sites.
3. The Tibet Autonomous Region issued a comprehensive ban on alluvial gold mines on Saturday.
4. In some areas, mining of alluvial gold has resulted in desertification.