前古典中美洲牙嵌体:用扫描电子能谱仪对原料的研究

Andrea Sandoval Molina, Y. Iizuka, Shintaro T. Suzuki
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引用次数: 2

摘要

牙齿修饰,尤其是牙嵌体,是古代中美洲最具特色的生物文化传统之一。本简短报告的主要目的是查明在危地马拉南太平洋海岸雷诺萨考古遗址制作牙齿镶嵌物所用的原材料。最近发现的一个大型墓葬,大约可以追溯到前古典时期中晚期(公元前500年-公元前200年),使该遗址成为人们关注的焦点。在中美洲发现了一些最早的牙齿包层载体,它们代表了嵌体传统开始的一部分。采用扫描电子显微镜(SEM)和x射线光谱法测定原料。鉴定的主要原料为黄铁矿和赤铁矿。这些发现引发了人们对这一千年传统中这些材料的获取和使用的新担忧。
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Preclassic Mesoamerican dental inlays: study of the raw material by SEM–EDS
ABSTRACT Dental modifications, especially dental inlays, were one of the most characteristic biocultural traditions in Ancient Mesoamerica. The main objective of this brief report is to identify the raw material used to elaborate dental inlays in the archaeological site of Reynosa, located in the Southern Pacific Coast of Guatemala. The recent discovery of a massive burial, dated roughly in the Middle-Late Preclassic Period (500 BC–200 BC), put the site in the spotlight. There were found some of the earliest carriers of dental incrustations in Mesoamerica, which represent part of the beginning of the inlay tradition. The analytical method used to determine the raw material was scanning electron microscopy (SEM) with X-ray spectroscopy. The identified raw materials were pyrite and hematite. These findings have opened new concerns about the obtaining and the usage of those materials in this millennial tradition.
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