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Geometry of trapezoidal fan deltas and their relationship to extensional faulting along the southwestern active margins of the Corinth rift, GreeceNormal access

Authors: W. Poulimenos, A. Zelilidis, N. Kontopoulos and T. Doutsos
Journal name: Basin Research
Issue: Vol 5, No 3, September 1993 pp. 179 - 192
Organisations: Wiley
Language: English
Info: Article, PDF ( 2.01Mb )

A new subtype of Gilbert-type fan deltas, ‘the trapezoidal fan delta’, characterized by the absence of bottomset deposits, is recognized in the south-western active margins of the Corinth rift in central Greece. They are formed adjacent to master extensional listric faults and developed by progradation either onto a subaqueous basin escarpment or across a subaerial platform where alluvial fans have accumulated. Simultaneously with master fault activity, displacements on counter faults along intrabasinal basement highs produced fin delta foreset deposits. Furthermore, footwall imbrication and uplift along the listric faults, as well as transfer fault displacement, have strongly influenced the pattern of fan delta sedimentation.

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