Mid- to Late Cambrian docking of the Río de la Plata craton to southwestern Gondwana: Age constraints from U-Pb SHRIMP detrital zircon ages from Sierras de Ambato and Velasco (Sierras Pampeanas, Argentina)

1. Verdecchia, S.O.
2. Casquet, C.
3. Baldo, E.G.
4. Pankhurst, R.J.
5. Rapela, C.W.
6. Fanning, M.
7. Galindo, C.