Análisis arqueométrico de pigmentos del sitio arqueológico Tambo Colorado por difracción de rayos X sincrotrón

AUTOR(ES)

Zeballos-Velásquez, Elvira

FONTE

Matéria (Rio J.)

DATA DE PUBLICAÇÃO

20/05/2019

RESUMO

ABSTRACT Despite the exceptional architecture and polychromy of archaeological site of Tambo Colorado, there has been no conservation work or in the architectural structures of raw earth, nor on the surfaces. These jobs require a proper understanding of the state of conservation of the site architecture and the analysis of the materials used. With this purpose, the results of the present study tries to explain the nature of the materials (pigments) used in the mural paintings, as well as determine the sources of these materials (quarries). To do this, pigments of quarry were investigated by the technique of X-ray diffraction, using synchrotron radiation, and structural refinement by the Rietveld method. It was determined the composition of pigments, identifying the phases of anorthite, quartz, hematite, chlorite, halite, gypsum, orthoclase, illite, jarosite, calcite, kaolinite, zinwaldite, cristobalite, anhydrite and albite. Rietveld refinement confirmed the presence of these phases and determined the percentage by weight of each of them.

Documentos Relacionados

• Análisis de perfiles de difracción de rayos X de una aleación Cu-8% en peso de Cr obtenida por medio de aleado mecánico
• Estudio estructural de arcillas de Chulucanas por difracción de rayos-X y método de Rietveld
• Estudo arqueométrico de cerâmicas do Sítio Guará, Goiás, Brasil
• Imagenes por doble difraccion com luz blanca usando redes de difraccion y una rendija
• Uma abordagem interdisciplinar do sítio arqueológico Cedro, baixo Amazonas