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The state of Sarawak, situated on northern part of the Borneo Island, is the part of Malaysia Federation. Main raw materials usable for the Sarawak economy are oil, wood, and natural gas. Nowadays the importance of brown coal as a raw material is caused by the growing needs of power in the Sarawak. It is the reason of working trip of authors of this article to the area of Merit Pila. They worked there as Deputy Mine Managers in 2006 and 2007. Merit Pila is great coal basin situated in central Sarawak. The paper br...

The authors intent to give a compact overview in this article of the hydrological and hydrogeological circumstances of dump bodies in the western part of the North Bohemian Brown Coal Basin and their changing in the area of interest from the beginning of mining activity till now. There are morphologically important dump bodies of Prunerov, Merkur and Brezno in the area of interest. Some significant surface watercourses had to be relocated in the past at the same time as the dump bodies were being built and brown c...

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...