Аннотация:We consider the geological conditions of the location and the chemical composition of water carbon source Firuza MGU opened in 2015 in the North Pamirs. A detailed mikromponentny composition of water produced by ICP-MS, and compares it with similar content of microcomponents in waters carbonic sources of Kamchatka and the Far East. On the basis of the ratio B:Cl and the ratio of K:Li:Rb:Cs, close to the same relationship to chloride-sodic term areas of active volcanism, concluded that the origin of the deep water source. The calculation of the temperature of formation water obtained by the Na–K geothermometer method showed the importance 147,3 oC, suggesting the formation of a source of water at a depth of about 5 km.