ROZWÓJ SYSTEMÓW EKSPLOATACJI ZŁOŻA RUD MIEDZI W REJONIE LGOM

Abstract

DEVELOPMENT OF COPPER ORE MINING METHODS IN LGOM REGIONAbstract. In the last forty years of copper ore extraction in LGOM region a variety of more than 50 types of mining methods have been introduced in practice, mainly the room and pillar. Recently the deposit is operated with use of over a dozen mining methods. In the paper there have been shown a general rule of access works in the LGOM region mines, preparatory works in panels and some chosen examples of a characteristic typical mining methods of the group. More extensively the reasons of introducing a new modified variations of the mining methods were exposed. A special attention was devoted to the problems of thin seams extraction, that has not been solved yet. In connection with the last one can expects a new technological solution in the next years, including mechanical winning techniques at mining faces.