Abstract

Round karren represent a typical karst landform in humid regions. Since they only form beneath organic-rich soil and become rapidly destroyed after exhumation, their preservation potential in the geological record is, however, low. Herein, we describe pristine fossil round karren from a late Messinian karrenfeld that is incised into a fault scarp at the northwestern margin of the Polis Graben in NW Cyprus (Eastern Mediterranean Sea). The karren indicate that humid temperate climate conditions with at least seasonal rainfalls and vegetation which decomposed into acid humus occurred at the end of the Messinian salinity crisis on Cyprus. Rapid drowning due to the Zanclean transgression ceased karstification at the Miocene–Pliocene boundary and preserved the original round karren morphology.

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