Rodalquilar y la minería del oro Historical milestone · Níjar, Comarca Metropolitana de Almería, Almería Image of Níjar, not of the place itself. Gold was discovered at the Mina de Las Niñas in Rodalquilar in 1883. Extraction by cyanidation succeeded in 1931, and in 1956 the Denver ore-processing plant was inaugurated, with Francisco Franco present at the ceremony. Photo: INDALOMANIA (CC BY-SA 3.0) What to see and do in Níjar