摘要
玻利维亚是矿物原料出口国,锡和钨的生产在世界上占重要地位。砂金矿的开采主要集中在拉巴斯省,砂金矿床星罗棋布,品位较富。主要为现代河流冲积砂金矿,可分为河床、河漫滩和阶地3种砂金矿床类型。玻利维亚政府鼓励外商投资,目前矿业开发投资以砂金开采为首选。
Bolivia is a mineral product exporter and the main producer of Sn and W in the world. And it is abundant with placer gold. The gold placers occur widely in the country and the mining is concentrated in labas province. The placers are divided into river bed-deposited, flood land deposited and tarraee-deposited types. Foreign investment to mineral development is encouraged. And We should focus on the gold placer.
出处
《地质找矿论丛》
CAS
CSCD
2005年第B08期78-80,共3页
Contributions to Geology and Mineral Resources Research
