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

<div>(a) Picture of representative sample (dark host rock and white vein); (b) OM observation of host rock. Kfs: k-feldspar; Cpx: clinopyroxene; Pl: plagioclase; Lt: lithic fragments. (c) OM observation vein; (d) SEM image and EDX spectra of opal; (e) XRD diffraction profiles of the host rock and vein.</div>

Geofluids

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Figure 6

Figure 6: Structural and Mineralogical Characterization of a Fossil Hydrothermal System Located at the Outermost Front of the Southern Apennines Fold-and-Thrust Belt 

Figure 6 | Structural and Mineralogical Characterization of a Fossil Hydrothermal System Located at the Outermost Front of the Southern Apennines Fold-and-Thrust Belt 