FIGURE 3. Lower Paleozoic stratigraphy of Cordillera Oriental (based on Turner 1960; Moya 1988, 1998; Astini 2003; Mángano and Buatois 2003, 2004; Buatois et al. 2003a, 2006; Astini et al. 2004, and Vaccari et al. 2008). 1. Schematic integrated section for the western region of Cordillera Oriental. 2. Schematic integrated section for the eastern region of Cordillera Oriental. 3. Schematic integrated section for the southern margin of Cordillera Oriental.