Alejandra C. Ordóñez, Emma Suárez-Toste, Samuel Cockerill, Emilio González-Reimers, Matilde Arnay-de-la-Rosa
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引用次数: 0
摘要
扫描电子显微镜(SEM)与能量色散 X 射线光谱(EDX)相结合,可以确定墓葬发掘过程中偶尔发现的微小钙化遗骸的成分和结构。为了深化该技术的实际应用,我们对从埃尔希耶罗(加那利群岛)的一个前西班牙时期集体墓葬洞穴中发现的三个不同的微小矿化、直径小于 5 毫米的大致圆形结构,以及一个大小和外貌相似的矿物球粒体进行了 SEM/EDX 分析。经过扫描电子显微镜成像和光谱分析,我们得出结论,这三个样本分别代表了一种芝麻状骨、一种肾结石和一种可能的霰粒石。相比之下,球粒体是一种由碳酸钙组成的矿物。我们的数据证实了扫描电子显微镜分析在鉴定墓葬发掘中发现的小型矿化遗骸方面的作用,以及它对研究过去人群的贡献。不过,我们也意识到,土相学的变化可能会至少部分改变考古样本的结构和/或元素组成,从而使鉴别诊断变得模糊不清。
SEM technology for the analysis of tiny calcified remains from a pre-Hispanic burial from El Hierro (Canary Islands)
Scanning electron microscopy (SEM) coupled with energy-dispersive X-ray spectroscopy (EDX) enables the determination of the composition and structure of tiny calcified remains occasionally recovered during burial excavations. To deepen the practical application of this technique, we performed SEM/EDX analysis on three different tiny mineralized, roughly rounded structures with a diameter of less than 5 mm recovered from a pre-Hispanic collective funerary cave from El Hierro (Canary Islands) and a mineral spherulite of similar size and outer aspect. After SEM imaging and spectroscopic analysis, we conclude that the three samples represent a sesamoid bone, a kidney stone, and a possible case of sialolithiasis. In contrast, the spherulite is a mineral formation composed of calcium carbonate. Our data confirm SEM analysis's usefulness in identifying small, mineralized remains recovered during burial excavations and its contribution to studying past populations. However, we are aware that taphonomic changes may alter, at least partially, the structure, and/or elemental composition of archaeological samples, obscuring differential diagnosis.
期刊介绍:
Archaeometry is an international research journal covering the application of the physical and biological sciences to archaeology, anthropology and art history. Topics covered include dating methods, artifact studies, mathematical methods, remote sensing techniques, conservation science, environmental reconstruction, biological anthropology and archaeological theory. Papers are expected to have a clear archaeological, anthropological or art historical context, be of the highest scientific standards, and to present data of international relevance.
The journal is published on behalf of the Research Laboratory for Archaeology and the History of Art, Oxford University, in association with Gesellschaft für Naturwissenschaftliche Archäologie, ARCHAEOMETRIE, the Society for Archaeological Sciences (SAS), and Associazione Italian di Archeometria.