raw ore meaning in English

未选的矿石
原矿石

New copper - extracting technologies can use up to 40 percent less electricity than the older method to process the same amount of raw ore , especially when the proportion of copper in the ore is high
新的铜提取技术在处理同等数量的原矿石时能够比老的方式节省40的电力，特别是当矿石中铜的比例比较高的时候。
The rock texture ， mineral occurence feature ， ore electronmagnetic milling and applied possibilities in ceramics and glass of the jadeite metamorphic aegirine - augite nepheline syenite in suizhou ， hubei were studied . the results show that the ore deposit combines the advantages of mining and milling ， and the finished ore by single electronmagnetic milling may be fully utilized as the raw materials for ceramics and glasses . meanwhile ， another important fact is that the compositon with 90 percent raw ore may be manufactured into the wall and floor tiles with glaze , which was affirmed by a lot of experiment research
随州硬玉质变霓霞正长岩的岩石组织结构、矿物赋存状态、矿石可选性和玻璃陶瓷原料应用试验研究表明：该资源具有易采易选两大优点，矿石经单一磁选的精矿可作玻璃和陶瓷的原料；同时已反复试验证实该资源可烧成原矿用量达90的釉面墙地砖。