30 June 2015 Microtopographic characterization of pre-colonial Brazilian archaeological ceramics
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Optics and optics and photonics based inspection tools and methods had expensively proven their invaluable importance in the preservation of cultural heritage and artwork. The non-invasive inspection of the 3D shape of objects and of the micro-relief structure of its surfaces can be of high importance in the characterization process required in most works of restoration or preservation of archeological artwork. In this communication we will report on the non-invasive optical microtopographic characterization of the surface of pre-colonial ceramics and pottery of hunter-recollector-farmer’ tribes of the Paranaiba valley in Minas Gerais, Brazil. The pottery found is decorated with incisions with different geometric distributions and levels of complexity corresponding to two periods of indigenous Indian occupations: one from a period dated at 1,095 ± 186 years ago and another of the early nineteenth century dated between 212 ± 19 years and 190 ± 30 years ago seemingly corresponding to the occupation of the territory by southern Kayapós tribes.
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Manuel F. M. Costa, Manuel F. M. Costa, Wagner Magalhaes, Wagner Magalhaes, Márcia Angelina Alves, Márcia Angelina Alves, } "Microtopographic characterization of pre-colonial Brazilian archaeological ceramics", Proc. SPIE 9527, Optics for Arts, Architecture, and Archaeology V, 95270S (30 June 2015); doi: 10.1117/12.2184197; https://doi.org/10.1117/12.2184197

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