Rapid spatiotemporal variations in rift structure during development of the Corinth Rift, central Greece

Nixon, Casey W., Mcneill, Lisa C., Bull, Jonathan M., Bell, Rebecca E., Gawthorpe, Robert L., Henstock, Timothy J., Christodoulou, Dimitris, Ford, Mary, Taylor, Brian, Sakellariou, Dimitris, Ferentinos, George, Papatheodorou, George, Leeder, Mike R., Collier, Richard E.li., Goodliffe, Andrew M., Sachpazi, Maria and Kranis, Haralambos (2016) Rapid spatiotemporal variations in rift structure during development of the Corinth Rift, central Greece. Tectonics, 35 (5). pp. 1225-1248. ISSN 0278-7407

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The Corinth Rift, central Greece, enables analysis of early rift development as it is young (<5 Ma) and highly active and its full history is recorded at high resolution by sedimentary systems. A complete compilation of marine geophysical data, complemented by onshore data, is used to develop a high-resolution chronostratigraphy and detailed fault history for the offshore Corinth Rift, integrating interpretations and reconciling previous discrepancies. Rift migration and localization of deformation have been significant within the rift since inception. Over the last circa 2 Myr the rift transitioned from a spatially complex rift to a uniform asymmetric rift, but this transition did not occur synchronously along strike. Isochore maps at circa 100 kyr intervals illustrate a change in fault polarity within the short interval circa 620–340 ka, characterized by progressive transfer of activity from major south dipping faults to north dipping faults and southward migration of discrete depocenters at ~30 m/kyr. Since circa 340 ka there has been localization and linkage of the dominant north dipping border fault system along the southern rift margin, demonstrated by lateral growth of discrete depocenters at ~40 m/kyr. A single central depocenter formed by circa 130 ka, indicating full fault linkage. These results indicate that rift localization is progressive (not instantaneous) and can be synchronous once a rift border fault system is established. This study illustrates that development processes within young rifts occur at 100 kyr timescales, including rapid changes in rift symmetry and growth and linkage of major rift faults.

Item Type: Article
Additional Information: ©2016. The Authors.This is an open access article under the terms of the Creative CommonsAttribution License, which permits use, distribution and reproduction in anymedium, provided the original work is properly cited.
Uncontrolled Keywords: sdg 14 - life below water ,/dk/atira/pure/sustainabledevelopmentgoals/life_below_water
Faculty \ School: Faculty of Science > School of Environmental Sciences
UEA Research Groups: Faculty of Science > Research Groups > Geosciences
Depositing User: Pure Connector
Date Deposited: 17 Jun 2016 14:00
Last Modified: 21 Oct 2022 05:35
URI: https://ueaeprints.uea.ac.uk/id/eprint/59416
DOI: 10.1002/2015TC004026


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