Micro-CT investigation of ostrich eggshell beads collected from Locality 12, the Shuidonggou site, China
Yang, YM; Wang, CX; Gao, X; Gu, Z; Wang, N; Xiao, TQ; Wang, CS
2018
发表期刊ARCHAEOLOGICAL AND ANTHROPOLOGICAL SCIENCES
ISSN1866-9557
卷号10期号:2页码:305-313
文章类型期刊论文
摘要Ostrich eggshell (OES) beads are an important kind of human ornaments, because their production reflects the development of modern human behavior, thinking ability, and cognitive level. Although the manufacture procedure of OES beads has been reconstructed in some Later Stone Age sites and early Neolithic sites, little information is known about detailed drilling technologies. In this study, synchrotron radiation micro-CT (SR-mu CT) was firstly used to scan OES beads to understand microstructure, drilling marks, and perforation shape in a non-destructive mode. In contrast to other method to research drilling technologies, SR-mu CT has a unique advantage that it could eliminate the influence of the adhering soils in a perforation in case that they are not easily removed. The results indicate that (1) SR-mu CT could differentiate the eggshell species between Struthio camelus and Struthio anderssoni in terms of pore distribution. Compared to other destructive methods, including the anatomical method, DNA and protein analysis, the species identification through SR-mu CT is non-destructive and faster; (2) the outer and inner surface of OES could be non-destructively judged according to OES microstructure, which would help infer the drilling direction; and (3) the perforation shape and drilling marks are distinct between the discontinuous twisting drilling and the multi-rotary drilling methods on the basis of replication experiments. According to these criteria, SR-mu CT was applied to examine OES beads found in Locality 12 of the Shuidonggou (SDG) site in China, which were probably discarded in 1.1 k yr BP. The results show that most of ancient beads were firstly drilled from inside. According to the perforation shape and drilling marks, both the twisting drilling and the multi-rotary drilling method with different kinds of drill bits were used in working beads. Therefore, the people in SDG site mastered a few drilling technologies in the early Holocene, and the use of the multi-rotary drilling method reflects the technical development of ancient people. Up to our knowledge, it is the earliest known evidence of the application of the multi-rotary drilling method in China. Furthermore, this study will provide a new approach and important reference to understand drilling technologies of much older OES beads in the Later Stone Age or Upper Paleolithic Age.
关键词Later Stone-age South-africa Western Cape Shell Beads Middle
DOI10.1007/s12520-016-0355-7
收录类别SCI
语种英语
WOS记录号WOS:000426285900005
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/29071
专题中科院上海应用物理研究所2011-2018年
作者单位1.Yang, YM
2.Wang, CX
3.Gao, X
4.Gu, Z
5.Wang, N
6.Xiao, TQ
7.Wang, CS
推荐引用方式
GB/T 7714
Yang, YM,Wang, CX,Gao, X,et al. Micro-CT investigation of ostrich eggshell beads collected from Locality 12, the Shuidonggou site, China[J]. ARCHAEOLOGICAL AND ANTHROPOLOGICAL SCIENCES,2018,10(2):305-313.
APA Yang, YM.,Wang, CX.,Gao, X.,Gu, Z.,Wang, N.,...&Wang, CS.(2018).Micro-CT investigation of ostrich eggshell beads collected from Locality 12, the Shuidonggou site, China.ARCHAEOLOGICAL AND ANTHROPOLOGICAL SCIENCES,10(2),305-313.
MLA Yang, YM,et al."Micro-CT investigation of ostrich eggshell beads collected from Locality 12, the Shuidonggou site, China".ARCHAEOLOGICAL AND ANTHROPOLOGICAL SCIENCES 10.2(2018):305-313.
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