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http://hdl.handle.net/2122/6024| Authors: | Corbí, H.* Caracuel, J. E.* Dinarès-Turell, J.* Lancis, C.* Pina, J. A.* Soria, J. M.* Tent-Manclús, J. E.* Yébenes, A.* |
Title: | La sección de San Miguel de Salinas (Cuenca del Bajo Segura). Significado paleoambiental de las asociaciones de foraminíferos en relación con la Crisis de Salinidad del Messiniense | Other Titles: | The San Miguel de Salinas section (Bajo Segura Basin). Palaeoenvironmental significance of the foraminiferal assemblages related to the Messinian Salinity Crisis | Journal: | GEOGACETA | Series/Report no.: | / 46 (2009) | Issue Date: | 2009 | Keywords: | Foraminifera messinian salinity crisis Pliocene Bajo Segura Basin palaeoenvironments |
Subject Classification: | 04. Solid Earth::04.04. Geology::04.04.08. Sediments: dating, processes, transport 04. Solid Earth::04.04. Geology::04.04.10. Stratigraphy 04. Solid Earth::04.05. Geomagnetism::04.05.06. Paleomagnetism |
Abstract: | In the composite section of San Miguel de Salinas the following synthems are represented: MI (preevaporitic Messinan), MII (syn-evaporitic Messinian) and P (post-evaporitic Pliocene). The foraminiferal assemblages of these synthems have been studied in order to reveal the palaeoenvironmental changes related to the Mediterranean Salinity Crisis. The change between MI and MII synthems is characterized by the reduction of the foraminiferal biodiversity. Synthem MII records palaeoenvironmental stress related to the evaporitic deposition during the Salinity Crisis. Synthem P marks an abrupt increase of the foraminiferal biodiversity in coincidence with the Pliocene reflooding of the Mediterranean Sea. |
| Appears in Collections: | Article published / in press |
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