Geofluids / 2019 / Article / Fig 5

Research Article

Structural and Mineralogical Characterization of a Fossil Hydrothermal System Located at the Outermost Front of the Southern Apennines Fold-and-Thrust Belt

Figure 5

Main structural elements present along the NE-SE fault zone exposed at the Toppo D’Aguzzo quarry. (a) Cross-sectional view of the fault zone. Both synthetic and antithetic slip surfaces located at the hanging wall of the main slip surface are reported in the inset. (b) Subvertical N-S striking veins forming an eye structure. (c) High-angle E-W striking vein abutting against a N-S vein. (d) The pyroclastic rocks exposed within the footwall damage zone are crosscut by NE-SW striking fractures localized at the dilational quadrants of sheared parental slip surfaces. See text for further details. (e) Plumose structure displayed along a NW-SE joint.

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