An underground ore mining in Spi?-Gemer and Bans?ka Hodru?a ore districts

摘要

The paper in a short form deals with sometheoretical aspects of the mining methods on methodical rawmaterial on iron deposit Nizna Slana-Kobeliarovo and on golddeposit Banska Hodrusa-Hamre at the Slovakia. The articlereports about the mining among at mineral raw material,utilization and future of mining deposits and mineral resources.Iron methasomatic ore and siderit sulphides ores can be foundin Spis-Gemer rudohorie area in numerous deposits. In presenttime is their extraction and use impossible because of low Feand Cu prices. This time is use only the deposit in Nitna Slanaand timely the morphological deposit Roznava- Silber wein.On Hodrusa-Hamre is using and extraction the gold depositwith the qualitative value about 10 g. t~(-1) of gold. In thepaper are described the mining methods on the two deposits, asthe some economical results too.