Correlations between chemical composition and provenance of Justino site ceramics by INAA

Instrumental neutron activation analysis (INAA), have been used for the definition of compositional groups of potteries from Justino site, Brazil, according to the chemical similarities of ceramic paste. The outliers were identified by means of robust Mahalanobis distance. The temper effect in the ceramic paste was studied by means of modified Mahalanobis filter. The results were interpreted by means of cluster, principal components, and discriminant analyses. This work provides contributions for the reconstruction of the prehistory of baixo Sao Francisco region, and for the reconstitution of the Brazilian Northeast ceramist population of general frame.International Atomic Energy Agency (IAEA)[BRA 13048]International Atomic Energy Agency (IAEA)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)CNPq Conselho Nacional de Desenvolvimento Cientfico e Tecnologico[155373/2006-4]Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior[CAPES 0056/014]Coordenacao de Aperfeicoamento de Pessoal de Nivel SuperiorMuseu Arqueologico de XingoMuseu Arqueologico de Xing