(a) Tectono-metamorphic map of the Iberian Varican belt displaying location of the Panasqueira deposit (red star). CZ: Cantabrian Zone, WALZ: West Asturian-Leonese Zone, GTMZ: Galicia Tràs-os-Montes Zone, CIZ: Central Iberian Zone, OMZ: Ossa-Morena Zone and SPZ: South Portuguese Zone (Julivert et al., 1972) (b) Geological map of the Panasqueira district showing the lateral extent of the non-outcropping granite intrusion and the mineralized vein system (modified from Launay, 2019). Projected lat./lon. coordinates, ETRS89 TM6. (c) Geological cross section (A-A’) displaying the relationship between greisen and the mineralized vein network. (d) Drill hole SCB2 displaying the vertical zoning of greisenization of the Panasqueira two mica granite (Location of the drill hole is displayed on the geological map and on the cross-section) (modified from Launay, 2019).