Since the second half of 1983 at the coal fields of Vorkutinskaya GRE the KPS-300 unit has been mastered. Already drilled more than 7 thousand meters of pilot wells, the average depth of which was 110 meters, the maximum - 185 meters.
In the metallogeny of magmatic rocks of the Khapcheranginsky ore district some researchers assign the leading role to granite porphyries and granodiorite porphyries, felsites and quartz porphyries of the Verkhneononskaya group of small intrusions, granite porphyries of the Khapcheranginsky stock and granodiorites of the Khamaro-Tyrinsky intrusive massif.