INVESTIGADORES
PUENTE Veronica
artículos
Título:
The Persistence of the Black Colour in Magnetite‐Based Pigments in Prehispanic Ceramics of the Argentine North‐West
Autor/es:
PUENTE, V.; PORTO LÓPEZ, J. M.; DESIMONE, P. M.; BOTTA, P. M.
Revista:
ARCHAEOMETRY
Editorial:
WILEY-BLACKWELL PUBLISHING, INC
Referencias:
Año: 2019 vol. 61 p. 1066 - 1080
ISSN:
0003-813X
Resumen:
The persistence of the black color in magnetite-containing paints in polychrome ceramics of the Argentine Northwest processed under conditions considered as oxidant has generated questions about ancient production technologies. In this work, the thermal oxidation reaction of magnetite to hematite under different temperatures, atmospheres and physicochemical characteristics of the materials is experimentally evaluated. The causes of this behavior are elucidated, and it is concluded that in archaeological context, a double-firing process was not necessary to achieve the coexistence of different colors.
