Longitude: 44.78, Latitude: 40.82
In this region Palaeogene volcanic rocks increase in alkalinity from east to west. Among the alkaline effusive rocks there are leucite tephrites, leucite basalts, limburgites and analcime trachytes. Fuller information seems not to be available.
LORDKIPANIDZE, M.B., ZAKARIAKZE, G.S. and POPOLITOV, E.I. 1979. Volcanic evolution of the marginal and interarc basins. Tectonophysics, 57: 71-83.