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Testing rival tectonic uplift models for the Lechaion Gulf in the Gulf of Corinth rift

Turner, J. A.; Leeder, M. R.; Andrews, J. E.; Rowe, P. J.; van Calsteren, P. and Thomas, L. (2010). Testing rival tectonic uplift models for the Lechaion Gulf in the Gulf of Corinth rift. Journal of the Geological Society, 167(6) pp. 1237–1249.

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DOI (Digital Object Identifier) Link: http://dx.doi.org/10.1144/0016-76492010-035
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Abstract

The Gulf of Corinth, central Greece, is a rapidly extending continental rift, the eastern part of which bifurcates into the active northern Alkyonides Gulf and the southern Lechaion Gulf. The Lechaion Gulf is considered an inactive relict of early rifting, yet the presence of late Quaternary shorelines is evidence of continuing uplift of the north, east and south margins of this basin. Models to explain uplift include uplift on the footwall of the southern Alkyonides Gulf fault system and the Xylocastro–Perachora faults or ‘regional' isostatic uplift independent of fault slip. These models are tested by comparing predicted spatial uplift trends with those observed. Uplift rates since Marine Isotope Stage 7 of 0.31 ± 0.04 mm a−1 on the Lechaion Gulf north coast are explained as displacement on the footwall of active faults. However, the south coast uplift cannot be explained by footwall uplift and is evidence for isostatic uplift that probably affects the whole of the southern Gulf of Corinth rift. Isostatic uplift rates of 0.22 ± 0.01 mm a−1 at the Corinth canal increase westward towards the mouth of the Lechaion Gulf where it meets the modern rift, the Gulf of Corinth.

Item Type: Journal Article
Copyright Holders: 2010 The Geological Society of London
ISSN: 0016-7649
Academic Unit/Department: Science > Environment, Earth and Ecosystems
Science
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID: 27701
Depositing User: Peter van Calsteren
Date Deposited: 01 Feb 2011 12:43
Last Modified: 26 Nov 2012 18:35
URI: http://oro.open.ac.uk/id/eprint/27701
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