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Recognizing heat-treated chert: A comparison between infrared spectroscopy and fracture surface analysis
Archaeometry ( IF 1.6 ) Pub Date : 2021-06-28 , DOI: 10.1111/arcm.12701
Julie Bachellerie 1 , Patrick Schmidt 1, 2, 3
Affiliation  

Heat treatment of lithic raw material is used for the first time in Europe in the Solutrean of the upper Paleolithic. The study of which heating technique was used by these groups requires analytical methods to understand and recognize the chemical and physical processes involved. Roughness measurements were tested as a tool for recognizing heat treatment and to compare them to infrared spectroscopy. We also measured the surface topography of geological samples to observe its evolution as a function of heating and then compare the results with those obtained on Solutrean artefacts. Near infrared analyses was carried out for comparing the effectiveness of surface roughness measurements. This work complements our knowledge about the heating environment used by Solutrean groups by confirming the use of controlled heating. In addition, our roughness measurements provide promising results for the recognition of heat treatment through the quantification of the surface luster.

中文翻译:

识别热处理燧石:红外光谱与断面分析的比较

欧洲首次在旧石器时代晚期的Solutrean中对石器原料进行热处理。这些团体使用哪种加热技术的研究需要分析方法来理解和识别所涉及的化学和物理过程。粗糙度测量被测试为识别热处理并将其与红外光谱进行比较的工具。我们还测量了地质样品的表面形貌,以观察其作为加热函数的演变,然后将结果与在 Solutrean 人工制品上获得的结果进行比较。进行近红外分析以比较表面粗糙度测量的有效性。这项工作通过确认使用受控加热来补充我们对 Solutrean 小组使用的加热环境的了解。此外,
更新日期:2021-06-28
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