A piedmonttreppen or piedmont benchland is a conceived landform consisting in a succession of benches at different heights and that forms in sequence during the uplift of a geological dome. The concept was first proposed in a

posthumous Posthumous may refer to: * Posthumous award - an award, prize or medal granted after the recipient's death * Posthumous publication – material published after the author's death * ''Posthumous'' (album), by Warne Marsh, 1987 * ''Posthumous'' ...

publication by Walther Penck in 1924. Penck's type area for the piedmontreppen was the

Black Forest The Black Forest (german: Schwarzwald ) is a large forested mountain range in the state of Baden-Württemberg in southwest Germany, bounded by the Rhine Valley to the west and south and close to the borders with France and Switzerland. It is t ...

of Germany. Outside Germany the South Swedish Dome has been identified as containing a piedmonttreppen, with the uppermost and oldest surface being the Sub-Cambrian peneplain. It is followed by three surfaces, one at 300 m a.s.l., another at 200 m and then the

South Småland peneplain 300px, upright=1.35, View of the South Småland peneplain at inselberg.html"_;"title="Store_Mosse_National_Park._Note_the_residual_hill_or_inselberg">Store_Mosse_National_Park._Note_the_residual_hill_or_inselberg_in_the_background. The_South_Smål ...

. There have been attempts at describing the southern portion of the Scandinavian Mountains as having a piedmonttreppen topography made up of paleic surfaces in the uplands and a strandflat at sea level. This idea has been strongly contested by

Olaf Holtedahl Prof Olaf Holtedahl ForMemRS FRSE (24 June 1885 – 26 August 1975) was a Norwegian geologist (Dr.philos., 1913). He became a senior lecturer at the University of Oslo in 1914, and was Professor of Geology there from 1920 to 1956. Career ...

. Later authors also stress that the Scandinavian Mountains cannot be described as a series of domes.

References

{{reflist Erosion landforms Geologic domes Geomorphology models