Barbagia thrust
Faults
Shear zones
Barbagia thrust. Internal nappes (dark rocks in the upper left of the phtoto) thrust over the Devonian marble of External nappes (withish rocks in the lower right of the photo) , Central Sardinia, Italy
For more information see Montomoli et al. 2018 Italian Journal of Geoscience. Ital. J. Geosci., Vol. 137 (2018), pp. 294-310, 10 Figs., 2 tabs. (https://doi.org/10.3301/IJG.2018.16)
Photo by R. Carosi