Longitude: 81.03, Latitude: 48.8
Extending over 22 km2 Kandygatai is composed of riebeckite granites, which sometimes contain astrophyllite. Accessories include zircon, columbite and apatite. There are dykes of peralkaline microgranite.
Geological evidence indicates an early Permian age.
ERMOLOV, P.V., VLADIMIROV, A.G. and TIKHOMIROVA, N.I. 1988. The petrology of silica oversaturated agpaitic alkaline rocks. Nauka, Novosibirsk. 86 pp.