气候变化领域集成服务门户(CCPortal): Scientific Analysis of Ornaments Unearthed From M2 of Sailaqinbopu Locus, Qulong Site, Tibet

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DOI	10.3964/j.issn.1000-0593(2023)06-1854-08
	Scientific Analysis of Ornaments Unearthed From M2 of Sailaqinbopu Locus, Qulong Site, Tibet
	Lu Xin-yan; Liu Yan; Yang Fu-wei; Yu Chun; Xi Lin; Shange Wangdwei; Zhang Kun; Xian Yi-heng
发表日期	2023
ISSN	1000-0593
起始页码	1854
结束页码	1861
卷号	43 期号:6
英文摘要	The Qulong Site, located in Ngari Prefecture of Tibet Autonomous Region, is a relic of human activities with a long duration and rich types of remains. The ornaments studied in this paper were excavated from tomb No. 2(M2) of Sailaqinbopu Locus, the Qulong Site, dating back to about 2700 similar to 2400 years ago. Due to the processing and grinding during production and the weathering and erosion suffered by long-term underground burial, it is impossible to judge the raw materials of the eight ornaments only from their appearance. Therefore, ultra-depth of field microscopic analysis, Fourier transform infrared spectroscopy ( FTIR) X-ray diffraction experimental analysis ( XRD) thermal analysis ( TGA-DSC) X-ray fluorescence spectrometry (XRF), Scanning electron microscopy (SEM) and porous material density, porosity, water absorption test were used not only to determine the chemical composition and raw material source of ornaments, but also to scientifically and comprehensively analyze its microscopic morphology, shape and structure characteristics and preservation condition. The results show that the raw materials of eight ornaments come from the pearl layer of different freshwater shellfish shells, and the main components are aragonite calcium carbonate, with a small amount of organic matter and trace elements such as Fe, Ba, Cr, Cu; there are grinding marks on the surface of the ornaments, and the drilling method is drilling from both sides, and holes of thicker ornaments are drilled with a bit; the overall weathering is serious, luster is no longer and all have a certain degree of crisp powder, porosity and water absorption rate of the open holes are higher than the modern shell, and the main reason for these diseases is the loose and disorderly shell pearl layer aragonite plates caused by loss of organic matter. On the one hand, the above research conclusions provide important information on the material selection, shape and production technology of ornaments in the Xiangxiong period in western Tibet, and reflect the situation and aesthetic connotation of shellfish use in society at that time. On the other hand, they also provide valuable reference materials for the subsequent protection and restoration of such unearthed cultural relics.
关键词	Qulong Site Ornaments Freshwater shells
英文关键词	MATRIX
WOS研究方向	Spectroscopy
WOS记录号	WOS:001027841600028
来源期刊	SPECTROSCOPY AND SPECTRAL ANALYSIS
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/283045
作者单位	Northwest University Xi'an; Northwest University Xi'an
推荐引用方式 GB/T 7714	Lu Xin-yan,Liu Yan,Yang Fu-wei,et al. Scientific Analysis of Ornaments Unearthed From M2 of Sailaqinbopu Locus, Qulong Site, Tibet[J],2023,43(6).
APA	Lu Xin-yan.,Liu Yan.,Yang Fu-wei.,Yu Chun.,Xi Lin.,...&Xian Yi-heng.(2023).Scientific Analysis of Ornaments Unearthed From M2 of Sailaqinbopu Locus, Qulong Site, Tibet.SPECTROSCOPY AND SPECTRAL ANALYSIS,43(6).
MLA	Lu Xin-yan,et al."Scientific Analysis of Ornaments Unearthed From M2 of Sailaqinbopu Locus, Qulong Site, Tibet".SPECTROSCOPY AND SPECTRAL ANALYSIS 43.6(2023).