Fig. 5
From: Lower plate serpentinite diapirism in the Calabrian Arc subduction complex
Structural map of the Western Calabrian Arc subduction complex with distribution of tectonically controlled serpentinite diapirs. Faulting associated with arc-perpendicular extensional tectonics in the accretionary wedge (modified from ref. 17) provides an opportunity for fluids to be introduced deep into the underplating plate. A-A’: MCS line CALA-02 across a diapir in the sedimentary basin formed along the Alfeo-Etna fault. A diapiric intrusion of serpentinite bearing clayey material in the Hyblean plateau suggests affinity of clays with hydrothermally modified mafic and ultramafic rocks forming the Hyblean lower crust43,78. Sections B-B’ and C-C’ are shown in Fig. 6, section D-D’ in Fig. 8. Green stars: OBS/H stations used for P- and S-wave velocity model for the Ionian lithosphere26. AEF, Alfeo-Etna fault; IF, Ionian fault; OCT, Oceanic-Continent transition. F1, F2, F3, transtensional faults belonging to the AEF-IF deformation zone17
