1. Aceñolaza F, Toselli A (1984) Lower Ordovician volcanism in northwest Argentina. In: Brunton DL (ed) Aspects in the Ordovician system: Paleontological Contributions of the University of Oslo, vol 295, pp 203–209
2. Allmendinger R, Jordan T, Palma M, Ramos VA (1982) Perfil estructural en la Puna catamarqueña (25–27°S), Argentina. Actas del 5° Congreso Latinoamericano de Geología 1:499–518. Buenos Aires
3. Breitkreuz C (1986) Das Paläozoikum in dem Kordillere Nordcchiles (21°-25°S). Geotekton Forsch 70:1–88
4. Bahlburg H (1990) The Ordovician Puna basin in the Puna in the NW Argentina and N Chile: geodynamic evolution from back-arc to foreland basin. Geotekton Forsch 75:1–107
5. Balhburg H (1993) Hypothetical southeast Pacific continent revisited: new evidence from middle Paleozoic basins of northern Chile. Geology 21:909–912