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Fig. 8 | Journal of Palaeogeography

Fig. 8

From: Alluvial sedimentation and tectono-stratigraphic evolution in a narrow extensional zigzag basin margin (northern Teruel Basin, Spain)

Fig. 8

a Synthetic structural map of the studied region showing the zigzag basin margin with alternating NNW-SSE and NNE-SSW trending segments; rose diagrams show the distribution of fault strikes measured on outcrop scale within each segment; b Rose diagram showing trend distribution of faults and fractures mapped in Mesozoic rocks, weighted according to their length; c Idem for fault traces with length over 2 km. Rose diagramas b and c after Liesa (2011b); d Stereoplot (equal area, low hemisphere) of fault planes and slickenlines measured on outcrops where border faults are exposed; e Length-weighted rose diagram of faults and fractures mapped in Neogene deposits; f Paleostress results in Neogene deposits of the study area. Stereoplots (equal area, low hemisphere) show orientation of fault planes, slickenlines and inferred stress axes in sites 1, 2 and 3. Directions of the inferred σ3 axes of extensional stress tensors (green arrows) are displayed on the map. Sites 1, 2 and 3: this work. Site 4: after Arlegui et al. (2005)

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