(A) Map of S2 and S3 foliations in the Roque Courbe area. (B) N-S cross-section through the Roque Courbe showing S2/S3 relationships. (C) Detailed area located on map (A), illustrating the different directions of planar fabrics in the TDZ. (D) Cross-section through map (C) showing the isoclinal F2 fold in the Devonian marbles. (E) Poles of undifferentiated planar fabrics plotted in lower hemisphere Wulf stereograms of map (C).