José Tapia, Myriam Eveno, Alfredo Prada, Pilar Fatás, Carmen de las Heras, Pablo Arias, Katharina Müller, Sebastian Schöder, Ina Reiche
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引用次数: 0
摘要
对旧石器时代洞窟艺术中的红色着色物质进行原位化学研究具有挑战性，因为在着色物质和钙质支撑物中都可能存在相同的微量元素，而且二者呈现出不同的成分。在这项研究中，我们利用高灵敏度的同步辐射诱导微 X 射线荧光（SR-µXRF）分析了从阿尔塔米拉洞窟（西班牙）Techo de los Polícromos 内八个地点的滴水点获得的 13 个基于氧化铁的红色着色物质样本。我们的分析通过确定痕量元素的特征模式，改进了旧石器时代红色颜料的特征描述，还有助于对洞穴内不同的表现形式进行比较。此外，我们还在钙质岩壁成分和红色颜料成分之间建立了新的区分标准，有助于改进未来的非侵入式分析。
Characterizing the chemical composition of red coloring matter samples from the Altamira cave using synchrotron µXRF imaging
The chemical in situ study of red coloring matter from Paleolithic cave art is challenging because the same trace elements can be present both in the matter and in the calcitic support, and the two present a heterogeneous composition. In this study, thirteen red iron oxide-based coloring matter samples obtained at drip points coming from eight locations within the Techo de los Polícromos, Altamira cave (Spain), have been analyzed by highly sensitive synchrotron-induced micro-X-ray fluorescence (SR-µXRF). Our analyses improved the characterization of red Paleolithic pigments by establishing characteristic trace element patterns, additionally facilitating a comparison of the distinct representations within the cave. Furthermore, new differentiation criteria between the composition of the calcitic walls and that of the red coloring matter could be established, helping to improve future non-invasive analyses.
期刊介绍：
Applied Physics A publishes experimental and theoretical investigations in applied physics as regular articles, rapid communications, and invited papers. The distinguished 30-member Board of Editors reflects the interdisciplinary approach of the journal and ensures the highest quality of peer review.
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