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(removed Category:Natural regions of Germany; added Category:Natural regions of the South German Scarplands using HotCat)
The northern section of the Rhine Plain is equally framed by somewhat lower mountain ranges, the [[Palatinate Forest]] on the western and the [[Odenwald]] on the eastern side.
[[File:Rhine rift.png|thumb|250px|right|Rhine Graben (blue shades) between Basel and Frankfurt with adjoining mountain ranges (green to brown); colour-coding according to digital elevation model]]
The extension induced by the formation of the Alps was sufficient to thin the crust and provide suitable dilational conduits for magmatic and volcanic activity to occur. This resulted in the emplacement of [[mafic]] [[Dike (geology)|dykes]], which follow the general structural trend of the extensional faults. In addition, isolated volcanoes such as the Kaiserstuhl were formed.
* [http://comp1.geol.unibas.ch/index.php?option=com_frontpage&Itemid=1 EUCOR-URGENT]
* [http://www.oberrheinkonferenz.org/ Franco-German-Swiss Conference of the Upper Rhine]