“…Díaz-del-Río, 2004, 2011; Bartelheim, 2012;Cruz Berrocal et al, 2013;Gilman, 2013). Ongoing debate also exists on the nature (whether full-or part-time) of craft specialization (copper-based metallurgy, ceramics, flaked and groundstone lithics), the social and symbolic role of long-distance exchange (in copper, slate, variscite, amphibolite, North African ostrich eggshell and ivory), and the functions, temporality of occupation (seasonal or permanent), and relationships between traditional site types (numerous lowland pit sites) and newly discovered ones (some minority stone-walled locations such as Los Millares or Zambujal and frequent large ditched enclosures such as Perdigões or Valencia de la Concepción) (Gamito, 2003;Jorge, 2003;Chapman, 2008;Nocete et al, 2008;Díaz-del-Río, 2011;García Sanjuán et al, 2013;Márquez-Romero and Jiménez-Jáimez, 2013).…”