Comment on ‘Unveiling ductile deformation during fast exhumation of a granitic pluton in a transfer zone’ by Richard Spiess, Antonio Langone, Alfredo Caggianelli, Finlay M. Stuart, Martina Zucchi, Caterina Bianco, Andrea Brogi, & Domenico Liotta

In their paper, Spiess et al. (2021) published structural, geochronological, and EBSD data on one of the monzogranite apophyses (Capo Bianco) buried Porto Azzurro Pluton (island Elba, Northern Apennines, Italy), a pluton emplaced in upper crust (P < 0.2 GPa; e.g. Papeschi al., 2019). The authors new U/Pb age 6.4 ± 0.4 Ma, associated with thermal peak, U-Th/He apatite 5.0 0.6 indicating cooling below 60 °C. use these ages to model exhumation controlled, model, by Zuccale Fault, subhorizontal fault 6 km eastward displacement (ZF; Keller & Coward, 1996). Their structural dataset from macro microscale analyses relies small section (about 100 m wide) NE part Calamita Peninsula. Based documentation (1) vertical dykes monzogranite, (2) low-angle top-to-the-E extensional faults, (3) later NW-striking oblique they interpret as an transcurrent tectonic setting, extrapolating findings entire Eastern Elba.