中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Dating the Hemudu Neolithic rice cultivation site, East China, by paleomagnetic chronostratigraphy

文献类型:期刊论文

作者Zheng, Yan1,3; Zheng, Hongbo2,6; Guo, Qianying1; Yang, Qing6; Hu, Zhujun4; Yao, Xinya4; Zhou, Xinying1,3; Zhao, Keliang1,3; Li, Xiaoqiang1,3; Deng, Chenglong5
刊名PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
出版日期2021-05-01
卷号569页码:12
关键词Holocene Hemudu Neolithic East Asia Paleomagnetic secular variation Relative paleointensity
ISSN号0031-0182
DOI10.1016/j.palaeo.2021.110297
英文摘要Hemudu is a famous archaeological site with the earliest rice remains unearthed in East China and represents a classic example of how Neolithic people managed coastal farmland. However, appreciation of human adaptation to Holocene sea-level changes has been hampered by low-resolution chronology due to lack of datable materials in coastal sediments. Correlation of paleomagnetic directions and intensity on a regional scale provides independent relative dating of such sediments. We did high-resolution paleomagnetic chronology work on core HMD13 (27 m in length) from Hemudu Neolithic site and discussed relevant early Holocene paleoclimate change of Southern China. Magnetic minerals identified by scanning electron microscopy are magnetite, iron-bearing silicates, and iron sulfide (pyrite or greigite). Rock magnetic measurements indicate that the primary remanence carrier is single-domain magnetite. Stepwise alternating field (AF) demagnetization experiments at 1 cm intervals on U-channel samples show that paleomagnetic inclinations fluctuate around 60 degrees, with five major peaks and four troughs. A relative paleointensity (RPI) was estimated using normalizing natural remanent magnetization intensity to anhysteretic remanent magnetization over 20-40 mT AF range, which has four major peaks. Variations of inclination and RPI in core HMD13 resemble the data from the East China Sea and allowed the development of a refined age-depth model. The new adjusted age-depth model minimized dating errors of C-14 ages among different datable materials. From the new age model, inclination and RPI of HMD13 are comparable to paleosecular variation (PSV) stack from East Asia and predicted results from geomagnetic models. Four cold events in the early Holocene recorded by geochemical proxies imply that sedimentary sequence of core HMD13 was influenced by global paleoclimate variation, while its long-term trend points to local paleoenvironmental change. Increases in sedimentation rates and the marine-derived sediment fractions suggest a massive transgression in the early Holocene (9-7.5 ka). Subsequently, ancient people developed and built pile dwellings since similar to 7 ka and cultivated wild rice from similar to 6.3 ka. Our study demonstrates that regional stratigraphic correlation with well-dated PSV and RPI records is a practical approach to establishing reliable age-depth models. A high-resolution chronology on continuous sedimentary sequence has excellent potential to elucidate prehistoric human-environment co-evolution.
资助项目National Natural Science Foundation of China (NSFC)[41472146] ; National Natural Science Foundation of China (NSFC)[41974079] ; National Natural Science Foundation of China (NSFC)[41772369] ; National Basic Research Program of China[2015CB953800] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB26030401] ; Natural Science Foundation of Jiangsu Province[BK20150065]
WOS研究方向Physical Geography ; Geology ; Paleontology
语种英语
WOS记录号WOS:000636767300003
出版者ELSEVIER
资助机构National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Basic Research Program of China ; National Basic Research Program of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Basic Research Program of China ; National Basic Research Program of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Basic Research Program of China ; National Basic Research Program of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; National Basic Research Program of China ; National Basic Research Program of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Natural Science Foundation of Jiangsu Province ; Natural Science Foundation of Jiangsu Province
源URL[http://ir.iggcas.ac.cn/handle/132A11/101107]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Zheng, Yan
作者单位1.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China
2.Univ Queensland, Sch Earth & Environm Sci, Brisbane, Qld 4072, Australia
3.Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Beijing 100044, Peoples R China
4.Nanjing Normal Univ, Sch Geog, Nanjing, Peoples R China
5.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
6.Yunnan Univ, Yunnan Key Lab Earth Syst Sci, Kunming 650500, Yunnan, Peoples R China
推荐引用方式
GB/T 7714
Zheng, Yan,Zheng, Hongbo,Guo, Qianying,et al. Dating the Hemudu Neolithic rice cultivation site, East China, by paleomagnetic chronostratigraphy[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2021,569:12.
APA Zheng, Yan.,Zheng, Hongbo.,Guo, Qianying.,Yang, Qing.,Hu, Zhujun.,...&Deng, Chenglong.(2021).Dating the Hemudu Neolithic rice cultivation site, East China, by paleomagnetic chronostratigraphy.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,569,12.
MLA Zheng, Yan,et al."Dating the Hemudu Neolithic rice cultivation site, East China, by paleomagnetic chronostratigraphy".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 569(2021):12.

入库方式: OAI收割

来源:地质与地球物理研究所

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