Figure 4.
Schematic diagrams showing simplified Pangaea reconstructions for (A) the middle Pennsylvanian at 305 Ma, and (B) the Carboniferous-Permian boundary at 299 Ma (Gutiérrez-Alonso et al., 2008). Cartoon depiction of Pangea configuration given in (A) for geographic reference. CAA—Cantabrian-Asturian arc.