Simplified geological map of the (a) Figueira de Castelo Rodriguo-Lumbrales anatectic complex and (b) Fregeneda-Almendra pegmatite field. Maps simplified from Ferreira et al. (2019), Díez Fernández and Pereira (2016) and 1: 50.000 geological maps of Portugal and Spain (Ferreira da Silva et al., 1990b, 1990a; Villar et al., 1990; Diez Montes et al., 1991) with metamorphic isograds and detailed pegmatite typology from Vieira et al. (2011). The schematic A-B cross section in (a) was adapted from Díez Fernández and Pereira (2016). Mineral abbreviation from Whitney and Evans (2010); other abbreviations: CGM: columbite-group mineral; AGM: amblygonite-group mineral; SZ: shear zone.