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SOME POSSIBILITIES OF UNCONVENTIONAL USE OF MINERAL RAW-MATERIALS IN THE SPIŠ-GEMER ORE MTS

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Author(s): Návesňák Daniel

Journal: Acta Montanistica Slovaca
ISSN 1335-1788

Volume: 2;
Issue: special issue 1;
Start page: 74;
Date: 1997;
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ABSTRACT
The Spiš-Gemer Ore Mts. are known mainly with the abundance of ore deposits. Until present the non-ore and unconventional raw-materials has not been of the main interest. In our work some selected rock types have been tested for the use in the ceramic industry, filler industry, as an abrasive material, quartz and quartzites for the production of ferrosilicium, decorative stones and slater shales. As the most suitable for a practicable use we found the leucocratic granites with the high content of feldspars for the ceramic production, tourmaline stones as a filling into plastic material and for concrete shield, against the low-energy neutron radia-tion and the natural abrasives.
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