Permian-Triassic boundary at El Antimonio, Sonora, Mexico
Newly discovered fossils indicate the Permian-Triassic boundary is in the lower Antimonio Formation. A brachiopod-dominated assemblage collected 40 m above the Monos-Antimonio Formations contact indicates a middle Permian (Guadalupian) age, and ammonites and conodonts found 380 to 530 m above the b...
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| Principais autores: | , , , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
Universidad Nacional Autónoma de México
2018-12-01
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| Serier: | Revista Mexicana de Ciencias Geológicas |
| Fag: | |
| Online adgang: | https://rmcg.unam.mx/index.php/rmcg/article/view/1116 |
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