Fig. 1

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A: Structural framework of the Aquitaine Basin (after Chantraine et al., 1996). The ages and temperatures of fluorine fluid inclusions and barite deposits are indicated (Boiron et al., 2002; Fourcade et al., 2002; Munoz et al., 2005; Cathelineau et al., 2012). The mapping of the lower Jurassic evaporites is from (Curnelle and Dubois, 1986). B: Cross-section of the southern part of the Poitou High (“Seuil du Poitou”, after Karnay et al., 2004).
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