U-Pb depositional age for the upper barrios formation (Armorican Quartzite facies) in the Cantabrian zone of Iberia: Implications for stratigraphic correlation and paleogeography

1. Gutiérrez-Alonso, G.
2. Fernández-Suárez, J.
3. Gutiérrez-Marco, J.C.
4. Corfu, F.
5. Murphy, J.B.
6. Suárez, M.