The question of the origin of hydrocarbon gases of the Khibiny and Lovo-Zersky alkaline intrusive massifs has not been finally solved so far.According to I. A. Petersilie. There are three hypotheses about the origin of hydrocarbon gases: 1) due to assimilation and processing of organic compounds of the Imandra-Varzuga Formation by the magmatic melt; 2) in the magmatic melt (in the form of gas flow they rise to the surface parts of the lithosphere); 3) in the process of intrusion formation, simultaneously with the formation of magmatic rocks ...