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(A) Bathymetric map of Lake Van, showing the major basins, volcanoes and cities. The two drill sites are marked with stars (AR, Ahlat Ridge; NB, Northern Basin). (B) Seismic profile along a N–S transect, showing the basins and ridges. Note: the NB drill site is west of the seismic line is a projection and draw here for comparison. Modified from Litt et al. (2009).
