(a) Simplified map of the Pyrenean-Provençal orogen and Gulf of Lion margin showing the location of the map in b. Abbreviations are C: Corsica; S: Sardinia; GL: Gulf of Lion; AB: Aquitaine Basin; NPZ: North Pyrenean Zone; SPZ: South Pyrenean Zone; EB: Ebro Basin; IR: Iberian Range. (b) Structural map of the Eastern Pyrenees − Provence linkage zone (Corbières-Languedoc Transfer Zone), showing the main orogenic domains and features as well as Oligo-Miocene extensional features. Locations of Figure 2 are boxed in white. At the bottom right is a simplified sketch of the map in b showing main regional domaines in white. Abbreviations are CLTZ: Corbières-Languedoc Transfer Zone; NPFT: North Pyrenean Frontal Thrust; NPF: North Pyrenean Fault; SPF: South Pyrenean Fault; SPTF: South Pyrenean Frontal Thrust; NCO: Nappe des Corbières Orientales; PNCO: Proximal Nappe des Corbières Orientales; DNCO: Distal Nappe des Corbières Orientales; SCA: Saint-Chinian Arc; NCB: Nappe de Cazoul-les-Béziers; MF: Mazamet Fault; MT: Montpellier Thrust; TF: Têt Fault; NF: Nîmes Fault; CF: Cevennes Fault; AF: Aix-en-Provence Fault; DF: Durance Fault; CTF: Catalan Transfer Fault; RTF: Rascasse Transfer Fault; STF: Sète Transfer Fault; ATF: Arles Transfer Fault; M: Mouthoumet massif; A: Agly Massif; SV: Sainte Victoire; SB: Sainte Baume.