Evaluation of undeveloped hard coal deposits and estimation of hard coal reserves in the Upper Silesian Coal Basin, Poland

The article presents the results of works concerning evaluation undeveloped deposits in Upper Silesian Coal Basin and an estimation hard coal reserves which can be developed by 2050. Evaluation was established on criterions choice their score determination. On basis obtained final after consultations with experts field mining, there were selected three areas amount about 1.99 Gt (billion metric tons) anticipated economic resources extend reserve base located direct vicinity operating mines. Additionally, one deposit estimated amounts to 1.15 as a potential whose could included mines, up depth 1,500 metres. Deposit view building new For Oświęcim-Polanka deposit, built 3D geological model 924 Mt (million coal. An example development ventilation, extraction transport/haulage underground roadways connecting seams surface are presented. designed mine working placed is useful tool for designing spatial management.