Highly deformed Carrara marble from the central Alpi Apuane.
Jurassic sedimentary breccias (the original protolith) were deformed during the main deformation of the Alpi Apuane complex (D1) at mid-crustal depths and then refolded during exhumation.
Kligfield, R., Carmignani, L., and Owens, W. H., 1981. Strain analysis of a Northern Apennine shear zone using deformed marble breccias. Journal of Structural Geology, v. 3, p. 421–436.
Carmignani, L., Decandia, F.A., Fantozzi, P.L., Lazzarotto, A., Liotta, D., and Meccheri, M., 1994. Tertiary extensional tectonics in Tuscany (Northern Apennines, Italy). Tectonophysics, v. 238, p. 295-315.
Molli G, Vaselli L 2006. Structures, interference patterns and strain regime during mid-crustal deformation in the Alpi Apuane (Northern Apennines, Italy). Geological Society of America Special Paper, 414, 79-94.