Deutsch: Haute-Saône-Tafel
Français: Plateau de Haute-Saône
Italiano: Piattaforma della Haute-Saône
English: Haute-Saône Platform
The Haute-Saône Platform forms the southeastern rim of the Paris Basin and is formed predominantly by Mesozoic sediments, with some post-rift Neogene Molasse sediments. It is mostly located in France except for the Ajoie area. At its eastern boundary, the separation from the northern part of the Upper Rhine Graben is clearly defined by NNE–SSW trending normal faults. In the south, however, the situation is more complex. Here, the limestone plateau of Ajoie, regarded as belonging to the Haute-Saône Platform, is separated from the northward-adjacent Upper Rhine Graben by a W–E trending flexure dissected by N–S trending normal faults. To the south, the Haute-Saône Platform is mostly bounded by the Detached North Alpine Foreland, in particluar by the frontal Faisceaux of the External Folded Jura. South of the Ajoie area, where the External Folded Jura is missing, the Internal Folded Jura is thrust directly onto the Haute-Saône Platform.
Nordfranzösisches Schichtstufenland, North French Scarplands, Plateaux de Haute-Saône et de Haute-Marne, Haute-Saône Platform (Gouffon et al. 2024)