Abstract

Recent developments in radiocarbon dating contribute to the analysis of fault evolution both at the level of individual fault segments and with regard to entire fault systems. 14C assay by accelerator mass spectrometry and the use of high-precision radiometric counting systems have both improved the resolution of fault chronologies. In conjunction with other sources of numerical ages they make it possible to trace fault-related folding, warping and regional deformation and thus to analyse a fault assemblage in its geodynamic context. At Dungeness (SE England) 14C dating of redeposited shells gives a minimum age for a planation surface and a fault that predates it; in the Gulf of Corinth (Greece) dating of Lithophaga shells in their borings reveals 2.3m of differential Holocene uplift of the south shore of Gulf relative to the north. Improved chronologies should make it possible to complement the search for seismic recurrence intervals with analysis of deformation processes.

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