Accordingly, there can be no assurance as to the quantity or quality of such rareearthdeposit or that such deposit will become proven or probable reserves.
因此也不可能保证稀土矿床或其他类似矿床的数量和质量能被核实或被合理地储备起来。
2
This abandoned mine in Guyun Village in China exhausted the local deposit of heavy rare-earth elements in three years.
而在中国古云镇的这一废弃稀土矿，三年就已经挖光了所有资源。
3
The geochemical characteristics of trace and rare-earth elements are studied in conjunction with the distribution and geological characteristics of the ore deposit.