Examples of this class include many of the rare or precious metals, strip or extruded shapes in base metals or alloys, some bearingmetals, some hard or soft magnetic materials, etc.
But Gold ore bearing formation is a poweless deformability strata rocks that ore metals of Gold et al were activated and relocation and concentration by shears.
金碎屑岩含金矿层属非能干性岩层,以成矿物质剪切变形活化、迁移富集为特征。
3
Different concentrations of oxygen-bearing organic matter show different influence on the absorbance of alkali metals with different regularities.