THE CATEGORIES, PERCENTAGE OF DIFFERENT RESERVES OF SOLID MINERALS AND THEIR RATIONAL CLASSIFICATION OF EXPLORATION STAGE

The paper proposed and discussed several essential problems concerning the classification of the solid minerals and their exploration stages. The problems have been disputed and remain unsolved for a long time. Through the analyses and comparison of a great number of data,the author suggested a new project unified and suitable for a rational categories、classification and exploration stages of solid mineral reserves by taking coal deposits as example.