Karaganskii is a 6 km2 intrusion composed of nepheline and alkaline syenites which are commonly altered with extensive replacement by sodalite, cancrinite and liebenerite. Nepheline comprises about 30% of the rocks and accessories include zircon, garnet, apatite, monazite, anatase, tantalo-niobates and magnetite. There are dykes and veins of syenite aplite, albitite, peralkaline syenite pegmatite and lamprophyre.
SHINKAREV, N.F. 1966. Upper Palaeozoic magmatism of Turkestan-Alay. Leningrad University Publishers, Leningrad. 152 pp.