Cariddi, B. et al. 2026. Discriminating the origin of obsidian fragments in archaeological contexts based on morphological features and geochemical data: the Breccia Museo (Campanian Ignimbrite eruption, Italy) case study. Annals of Geophysics. 69, (Jan. 2026). DOI:https://doi.org/10.4401/ag-9428.