The alluvial to palustrine-lacustrine Miocene sequence from the Faido-Samiano section (Miranda – Treviño basin, W Pyrenees)
This work presents the results from the study of the lower to middle? Miocene continental succession exposed in the Faido-Samiano section, on the south-east flank of the Miranda – Treviño piggy-back basin. Facies analysis allowed accurate interpretation of the constituent deposits and the correspond...
| Authors: | , , |
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| Format: | article |
| Publication Date: | 2019 |
| Country: | España |
| Institution: | Universidad de Huelva (UHU) |
| Repository: | Arias Montano. Repositorio Institucional de la Universidad de Huelva |
| Language: | English |
| OAI Identifier: | oai:ariasmontano.uhu.es:10272/17710 |
| Online Access: | http://hdl.handle.net/10272/17710 |
| Access Level: | Open access |
| Keyword: | Miranda–Treviño basin Palustrine-lacustrine facies Alluvial fan Lower Miocene Cuenca Miranda–Treviño Facies palustres-lacustres Abanicos aluviales Mioceno inferior |
| Summary: | This work presents the results from the study of the lower to middle? Miocene continental succession exposed in the Faido-Samiano section, on the south-east flank of the Miranda – Treviño piggy-back basin. Facies analysis allowed accurate interpretation of the constituent deposits and the corresponding depositional settings they characterize, from alluvial to varied palustrine-lacustrine sub-environments. Logging and mapping across an area of about 15 km2 revealed a distinct recurrent stratigraphic arrangement that reflects successive cycles of progressive expansion and abrupt subsequent retraction of the km-wide palustrine-lacustrine wetlands developed on the basin depocentre. The scale and distinct asymmetry of the successive stratigraphic cycles point to an origin likely related to high-frequency pulsating tectonic activity affecting the rising basin margins |
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