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Heat treated stone artifacts at Shuidonggou, Northwest China and their archaeological implications
Zhou ZY(周振宇); Huan Y(郇勇); Shao YQ(邵亚琪); Dai YJ(代玉静); Yang HS(杨海陞); Xun Y(郇勇)
Source PublicationQuaternary International
2014
Volume347Pages:84-90
ISSN1040-6182 
AbstractArtifacts from the Shuidonggou (SDG) site complex in Ningxia province provide extensive information and insights regarding the activities of early modern humans in China. Based on a series of experiments and physical analyses, it appears that the stone artifacts from SDG Locality 2 and Locality 12 have undergone heat treatment that enhanced the utilization ratio and knapping properties of the lithic raw material from which they were made. In order to investigate the mechanisms involved, compression tests and XRD (X-ray Diffraction) examinations were conducted on lithic raw materials collected surround the SDG sites. The results indicate that the heated stones present lower compression strength and better ductility, and the raw material becomes more homogeneous as well. The process of crack propagation also becomes easier to control, thereby reducing knapping difficulties. The application of heat treatment technology at SDG reflects the production capacities and risk management strategies of the SDG inhabitants and provides evidence for the level of understanding associated with early modern human behavior. This discovery confirms the appearance of this technology in the East Asia around 32 ka BP (which lasts to 11 ka BP), providing new evidence for the spread and distribution of heat treatment technology.
KeywordUpper Paleolithic Modern Behavior China Heat Treatment Mechanical Properties
Subject Area固体力学 ; 交叉与边缘领域的力学
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000343845200010
Funding OrganizationThis work is supported by the Strategic Priority Research Program of the Chinese Academy of Sciences (XDA05130303) and the National Natural Science Foundation of China (11372323), and the project of function development on scientific instruments of Chinese Academy of Sciences.
DepartmentLNM实验平台
Classification二类/Q2
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/49119
Collection非线性力学国家重点实验室
Corresponding AuthorXun Y(郇勇)
Recommended Citation
GB/T 7714
Zhou ZY,Huan Y,Shao YQ,et al. Heat treated stone artifacts at Shuidonggou, Northwest China and their archaeological implications[J]. Quaternary International,2014,347:84-90.
APA Zhou ZY,Huan Y,Shao YQ,Dai YJ,Yang HS,&郇勇.(2014).Heat treated stone artifacts at Shuidonggou, Northwest China and their archaeological implications.Quaternary International,347,84-90.
MLA Zhou ZY,et al."Heat treated stone artifacts at Shuidonggou, Northwest China and their archaeological implications".Quaternary International 347(2014):84-90.
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