Figure 2. Generalized geological map of the Cesar-Sub-basin and eastern Lower Magdalena Valley Basin, showing the seismic and well data, the main towns, and DLTD’s exploration block (La Loma). Seismic in violet color was reprocessed by DLTD. Geology: pK= pre-Cretaceous; J= Jurassic; Kl= Lower Cretaceous; Ku= Upper Cretaceous;Tlp= Paleocene; Tu= Upper Tertiary (Neogene); Qt= Quaternary.