Uzunbulak is a dyke-like intrusion of only 0.8 km2 situated on the southern slope of the Atbashi mountain ridge (Tyan-Shan) where it cuts through Silurian and Devonian schists and limestones. It consists of medium- and coarse-grained cancrinite syenites with small veins of alkaline pegmatite.
KAYUMOV, A.K. and KARABAEV, K.K. 1981. Alkaline magmatism and ore-formation of the south Tyan-Shan. Uzbek Academy of Science Publishers, Tashkent. 135 pp.