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Authors: | Palyvos, N.* Sorel, D.* Lemeille, F.* Mancini, M.* Pantosti, D.* Julia, R.* Triantaphylou, M.* De Martini, P. M.* |
Title: | Review and new data on uplift rates at the W termination of the Corinth Rift and the NE Rion Graben area (Achaia, NW Peloponnesos) | Journal: | Bulletin of the Geological Society of Greece | Series/Report no.: | / 40 (2007) | Publisher: | Geological Society of Greece | Issue Date: | May-2007 | Keywords: | Tectonic geomorphology Differential coastal uplift deformation rates active normal faults Corinth Gulf Greece |
Subject Classification: | 04. Solid Earth::04.04. Geology::04.04.03. Geomorphology | Abstract: | We review and present new geochronological data on the uplifted Middle-Late Pleistocene marine deposits at the western termination of the Corinth Rift and the Rion area. Geomorphological and geological observations define the general morphotectonic context of these deposits, which predicts a pattern of differential uplift. Uplift rate estimates based on previous geochronological data (ranging from 0.4 to 6 mm/yr) are discussed in the proposed morphotectonic context of differential uplift, together with estimates from new geochronological data. Based on the data available for post-MIS11 marine deposits, we conclude that time-averaged uplift rates in the last 300-200 ka have been higher than ca. 1.8 mm/yr at the areas of faster uplift (e.g. Profitis Elias, Ano Kastritsi). To define just how higher than 1.8 mm/yr they have been, and to cross-check the validity of very high uplift rate estimates (≥ 4 mm/yr) existing in the bibliography, more datings than those available are required. |
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