论文部分内容阅读
一、引言砂礦为重要成矿類型之二,金、鉑、镯居石、錫石、金剛石大部分產自砂礦,各種寶石,铌鋁矿物、鉻鐵礦,磁鐵礦等也有一部分來自砂矿中。砂礦的品位往往很低,但矿物的種類却很複雜,因此在談到砂矿的開採利用與礦床成因的研究時,選矿的手續和礦物的鑑定工作是不可缺少的。本文所談的只限於砂礦矿物的鑑定方面。一般正規的鑑定法是結合分選程序來進行;主要步驟是先通過機械選礦的手續,如過篩、淘洗、過“溜子”、過“渦旋濃集機”等方法把砂礦分成精礦、尾礦二級,再將每級用几種比重液依比重大小分成几組,常用的比重液为
First, the introduction of sand ore is an important type of metal forming two, gold, platinum, bracelet stone, cassiterite, most of the diamond produced from the sand, a variety of precious stones, niobium aluminum minerals, chromite, magnetite and some also from Sand mine. Sand grade is often low, but the type of minerals is very complex, so when it comes to the exploration and utilization of ore deposits and mineral deposits, mineral processing procedures and mineral identification work is indispensable. This article discusses only the identification of ores and minerals. General formal identification method is a combination of sorting procedures; the main steps are first through the mechanical processing procedures, such as screening, panning, over the “slippery”, “vortex concentrator” and other methods into the sand into fine Mine, tailings two, then each level with several specific gravity according to the proportion of the size is divided into several groups, commonly used specific gravity