A: Geological map of studied area (modified from the Europe − GISEurope − 1:1,500,000 scale − Bedrock Age; BRGM). The ante Triassic lithospheric discontinuities (dashed grey lines) are modified from Baptiste (2016). URG: Upper Rhine Graben, BG: Bresse Graben, LG: Limagne Graben, LRG : Lower Rhine (Roer Valley) Graben, PB: Paris Basin, PBMA : Paris Basin Magnetic Anomaly, AF: Ales Fault, AiF: Aigueperse Fault, ArF: Argentat Fault, AvF: Avallon Fault, BFF: Black Forest Fault, BF: Bray fault, CF: Cevennes Fault, CHF: Chantonnay Fault, CHoF: Cholet fault, DF: Durance Fault, DTF : Digne Thrust Front, JTF: Jura Thrust Front, LF: Loire Fault, LiF : Limagne Fault, LLF: Lalaye-Lubine fault, LRFS: Lower Rhine Fault System, LMF: La Marche Fault, LSF: La Serre Fault, MF: Marsanne Fault, MFZ: Midi Fault Zone, MzF : Metz fault, NASZ: North Armorican Shear Zone, NPF: North Pyrenees Fault, NSE : Nort-Sur-Edre fault, PBMA: Paris Basin Magnetic Anomaly, PF: Pilat Fault, PFT : Pennic Thrust Front, RBTZ: Rhine Bresse Transfer Zone, RF: Rhine Fault, SANSZ: South Armorican Northern Shear Zone, SASSZ: South Armorican Southern Shear Zone, SBTF : Subalpine Thrust Front, SeF: Seine Fault, SF: Sarre Fault, TF : Tonnerre fault, ValF: Valence Fault, VF: Vittel fault, SHF: Sillon Houiller, WRF: West Rhenan Fault.