The Ordovician, Silurian and Devonian sedimentary rocks of the Ossa-Morena Zone (SW Iberian Peninsula, Spain)
[EN] The present paper reviews the Ordovician, Silurian and Devonian sedimentary rocks of the Ossa-Morena Zone of the SW Hesperian (Iberian) Massif in Spain and Portugal. It gives detailed informations on the successions and faunas from the Early Ordovician to the Late Devonian, i.e. during the pass...
| Autores: | , |
|---|---|
| Tipo de recurso: | artículo |
| Fecha de publicación: | 2004 |
| País: | España |
| Institución: | Consejo Superior de Investigaciones Científicas (CSIC) |
| Repositorio: | DIGITAL.CSIC. Repositorio Institucional del CSIC |
| OAI Identifier: | oai:digital.csic.es:10261/5506 |
| Acceso en línea: | http://hdl.handle.net/10261/5506 |
| Access Level: | acceso abierto |
| Palabra clave: | Morena Cadena Varisca Paleozoico Macizo Hespérico Zona de Ossa Estratigrafía Paleogeografía Palaeozoic Ossa-Morena Zone Hesperian Massif Variscan Belt Stratigraphy Palaeogeography |
| Sumario: | [EN] The present paper reviews the Ordovician, Silurian and Devonian sedimentary rocks of the Ossa-Morena Zone of the SW Hesperian (Iberian) Massif in Spain and Portugal. It gives detailed informations on the successions and faunas from the Early Ordovician to the Late Devonian, i.e. during the passive margin development that followed a Cambrian rifting phase and preceded the Variscan orogenic events. Comparison of the sedimentary and faunal record from the Ossa Morena and Central Iberian zones during the Palaeozoic indicates that both regions were part of the North Gondwanan shelf, characterized by distal (OMZ) and proximal (CIZ) shelf conditions, respectively. This shows that the Badajoz-Córdoba Shear Zone corresponds only to a Variscan shear zone and cannot be considered as the cryptic suture of a Palaeozoic ocean. |
|---|