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Recent archaeological excavations carried out at the site of Bayovar-01 (occupied from the 5th to 8th centuries AD) in the Sechura Desert provide new data on the activities and adaptations of the desert's ancient inhabitants. The presence of two small structures, a large activity area containing a significant amount of fish remains and traces of large hearths, indicate that Bayovar-01 was an opportunistic settlement, benefitting from favourable environmental conditions and serving as a specialised site for fishing and the preparation of fish. The analysis of charcoal remains from features corresponding to large hearth remains sheds light on practices of firewood gathering and usage. Taxonomic and morphological analyses reveal strong preferences for certain taxa, possible gathering strategies combining dead wood collection and tree felling, the usage of several different tree parts, and consistent combustion conditions across the processing features. Despite selection biases, taxa composition suggests the existence of different environmental conditions in the desert in the past, related to the presence of a palaeo-lagoon. Anthracological analysis thus has a potential that exceeds mere taxonomic identification of firewood, revealing gathering and usage practices, as well as insights into taxa availability that have implications for ecological and environmental variations. [ABSTRACT FROM AUTHOR]

Pachacamac is the name of the 15th-16th century Inca sanctuary on the Peruvian coast as well as the name of one of the principal oracles of Inca divinities. This effigy would have been destroyed by Pizarro in 1533 during his visit to the great monumental complex, and as such the originality and antiquity of the wooden statue—the so-called Pachacamac Idol—have been the subject of much controversy and debate. We present here previously unpublished dates that confirm its manufacture during the Middle Horizon (AD 500–1000), as well as evidence of its original polychromy. Traces of colors were observed on its different sections with portable microscopy and analyses with two different X-Ray Fluorescence spectrometry techniques, leading to identification of yellow, white, and red mineral pigments, including the presence of cinnabar. Dated between the 8th and 9th centuries, the statue would have been worshipped for almost 700 years, from the time of its creation to the time of the Spanish conquest, when Pachacamac was a major place of pilgrimage. These data not only offer a new perspective on Pachacamac's emblematic sacred icon, but also on the colorful practices of the Pre-Hispanic Andes. [ABSTRACT FROM AUTHOR]

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