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Figure 1.

(A) Correlation of tectonostratigraphic zones across the Variscan orogen in southwestern Europe (modified from Franke, 1989; Martínez-Catalán et al., 2007). Iberia has been restored to its paleogeographic position prior to the opening of the Cantabrian Sea (Bay of Biscay). Inset box indicates the location of Cantabrian Orocline. (B) Simplified structural map of the Cantabrian Orocline, highlighting the geometry of major thrusts and the orientation of major folds.

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