Figure 3A . GSS; Generalized stratigraphic section representing the eastern Anatolian basins. Abbreviations, LU; Lower unconformity, Middle Unconformity, UU; Upper Unconformity. Kars Region; Stratigraphic section representing the northeastern part of eastern Anatolia, the Kars Region, and surroundings. Figure 3B and 3C. Stratigraphic columnar sections of the major basins of eastern Anatolia. Locations of the basins are shown in Figure 2.