Publication
HARD COAL RESOURCES IN THE UPPER SILESIA COAL BASIN (POLAND) ACCORDING TO POLISH CLASSIFICATION AND INTERNATIONAL JORC CODE
(STEF92 Technology, 2019-06-20, Jarosław Chećko)
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The classification of mineral resources in Poland is based on the reporting system developed in 1941 in the USSR and implemented in the middle of the 20th century in Poland as a legal norm. This norm is the Geological and Mining Law (PGG, 2011-last update), which contains guidelines for mineral deposits resources/reserves estimation and reporting, including hard coal, based on the cut off criteria and level of confidence. Polish resources classification differs from the international classification used, but may b...
Exploration and Mining2019