Physics
Scientific paper
Oct 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003georl..30sde13h&link_type=abstract
Geophysical Research Letters, Volume 30, Issue 19, pp. SDE 13-1, CiteID 2013, DOI 10.1029/2003GL018112
Physics
3
Geochemistry: Geochronology, Tectonophysics: Continental Tectonics-Extensional (0905), Tectonophysics: Continental Neotectonics
Scientific paper
We derive rates of uplift of ~0.7-0.8 mm/yr for the western end of the Gulf of Corinth, Greece, using geomorphic paleaoshoreline modeling. We calibrate the modeling with new 234U-230Th dates on the coral Cladocora caespitosa collected from raised marine terraces uplifted in the footwall of the active Psathopyrgos fault, the only major active normal fault, reported on published maps controlling the downthrown Rio Straits at the western end of the Gulf of Corinth. In this area of high (15-22 mm/yr) extension rates measured with GPS, the ratio of uplift-rate to extensional velocity is 0.025-0.035, much lower than values of 0.15-0.25 found further east in the gulf. These low values imply that if GPS extension rates are correct then mechanical/kinematic models developed for the eastern and central gulf may not be applicable to the western gulf.
Gilmour Mabs A.
Houghton Sarah L.
McArthur John M.
Papanikolaou Ioannis D.
Roberts Gerald P.
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