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Clay sorbents from the North Bohemian Brown Coal Basin represent important but still somewhat neglected accessory raw material. Submitted paper is concerned with relation between mineral structure, sorptive efficiency and reclamation exploitation of these rocks. Characters and localities of main clay sorbents from the North Bohemian Brown Coal Basin are shortly evaluated in an introduction. In next part, methodology of mineralogy survey for these accessory raw materials is stated, it is based on diffract analyse w...

A significant range of the landscaped damaged by brown coal mining is one of the base problems of the region of the North Bohemian Brown Coal Basin. The proper application of fertilizable rocks to sterile and phyto-toxic sits is the condition of the success of reclamation works. Natural clayey sorbents are usually of very good use, but the North Bohemian Basin is quite poor with them. Bentonite deposits are significant exceptions. They are a part of tertiary vulcanodetritic strata of the subsoil of a coal seam. Th...