The Ubaganskii intrusion has an elliptical form, elongated east-west, and is 2.5 km2 in area. It is composed of solvsbergites containing phenocrysts of orthoclase, aegirine, riebeckite and biotite each of which may comprise between 2% and 14% of the rock. Secondary albite and carbonate form 2.5-3.5% and accessories include magnetite and fluorite.
KSENOFONTOV, O.K. 1966. On alkaline intrusions of the Mugodyar and Turgaisky flexures. Scientific notes of the Hertzen Institute, Leningrad, Nedra, 290: 140-61.