Resumo

BLANCAS, Jorge et al. Multiscale analysis of archeologic indicators at Tlajinga, Teotihuacan (Mexico). From remote sensing to microscopy. Bol. Soc. Geol. Mex [online]. 2019, vol.71, n.2, pp.457-479.  Epub 30-Out-2019. ISSN 1405-3322.  https://doi.org/10.18268/bsgm2019v71n2a14.

The Tlajinga Barrio is a domestic area situated in the south of Teotihuacan, Estado de México, where preserves original surface materials as well as buried archaeological structures are preserved. Original soil particles mixed with archaeological materials such as stone, stucco, ceramics, and mural fragments enrich the soil mainly with calcium carbonate, contributing to the increase in reflectance in different areas of the terrain, mainly in nearby areas where there were archaeological structures. This is recorded from a synoptic level by the modern remote sensors, with higher spectral, spatial, and radiometric resolution, correlating it to a smaller scale with soil micromorphology analysis. In this way, some minerals present in the floors and walls were identified, mainly the archaeological stucco now transformed into small particles of calcium carbonate. X-ray fluorescence (XFRF) and X-ray diffraction (XRD) complemented the results of remote sensing, spectrometry and micromorphology, identifying the elemental composition of soil particles and associated minerals, mainly calcium carbonate, that were used live in coatings on floors and buildings during the Teoti huacan era.

Palavras-chave : Remote sensing; micromorphology; spectroradiometry; x-ray fluorescence; x-ray diffraction.

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