The age of the Tunas formation in the Sauce Grande basin-Ventana foldbelt (Argentina): Implications for the Permian evolution of the southwestern margin of Gondwana
New SHRIMP radiogenic isotope dating on zircons in tuffs (280.8±1.9 Ma) confirms the Early Permian (Artinskian) age of the uppermost section of the Tunas Formation. Tuff-rich levels in the Tunas Formation are exposed in the Ventana foldbelt of central Argentina; they are part of a deltaic to fluvial...
Guardado en:
| Autores principales: | López Gamundi, Oscar Raúl, Rossello, Eduardo Antonio |
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| Publicado: |
2013
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| Materias: | |
| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08959811_v45_n_p250_LopezGamundi http://hdl.handle.net/20.500.12110/paper_08959811_v45_n_p250_LopezGamundi |
| Aporte de: |
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