Mass spectrometric U-series dating of Laibin hominid site in Guangxi, southern China

Guanjun Shen; Wei Wang; Hai Cheng; R. Lawrence Edwards

doi:10.1016/j.jas.2007.02.008

Mass spectrometric U-series dating of Laibin hominid site in Guangxi, southern China

Guanjun Shen, Wei Wang, Hai Cheng, R. Lawrence Edwards

Earth and Environmental Sciences-Twin Cities

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Abstract

The Laibin hominid represents one of the rare finds of modern Homo sapiens in China, rare for its relative completeness and well-established stratigaphic provenance. This paper presents the results of mass spectrometric U-series dating of intercalated calcite samples from the Laibin site. The capping flowstone and the calcite vein, which sandwich the hominid fossil-containing deposits, date to 38.5 ± 1.0 and 44.0 ± 0.8 ka, setting respectively the minimum and maximum ages to the fossils. The second flowstone layer is 112.0 ± 1.4 ka old, indicating that the cultural sequence may possibly extend to somewhere between 44 and 112 ka. Securely dated Laibin finds should be of importance in reconstructing human physical and cultural evolution in the region.

Original language	English (US)
Pages (from-to)	2109-2114
Number of pages	6
Journal	Journal of Archaeological Science
Volume	34
Issue number	12
DOIs	https://doi.org/10.1016/j.jas.2007.02.008
State	Published - Dec 2007

Bibliographical note

Funding Information:
This project has been jointly supported by National Natural Science Foundation of China (40373031) and Wenner-Gren Foundation (Gr. 6975). ICP-MS U-series analyses were supported by US NSF grants. We thank the government of Guangxi Zhuang Autonomous Region for permission, Dr James L. Bischoff and Dr Qian Wang for helpful discussions and two anonymous referees for constructive criticisms that improved clarity and consistency. The first author is thankful to his graduate students Li Shi and Xinfeng Zhang for sample pretreatment and alpha spectrometric determinations.

Keywords

Laibin hominid
Late Pleistocene
Morphologically modern humans
Southern China
Speleothem calcite
U-series dating

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10.1016/j.jas.2007.02.008

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abstract = "The Laibin hominid represents one of the rare finds of modern Homo sapiens in China, rare for its relative completeness and well-established stratigaphic provenance. This paper presents the results of mass spectrometric U-series dating of intercalated calcite samples from the Laibin site. The capping flowstone and the calcite vein, which sandwich the hominid fossil-containing deposits, date to 38.5 ± 1.0 and 44.0 ± 0.8 ka, setting respectively the minimum and maximum ages to the fossils. The second flowstone layer is 112.0 ± 1.4 ka old, indicating that the cultural sequence may possibly extend to somewhere between 44 and 112 ka. Securely dated Laibin finds should be of importance in reconstructing human physical and cultural evolution in the region.",

keywords = "Laibin hominid, Late Pleistocene, Morphologically modern humans, Southern China, Speleothem calcite, U-series dating",

author = "Guanjun Shen and Wei Wang and Hai Cheng and Edwards, {R. Lawrence}",

note = "Funding Information: This project has been jointly supported by National Natural Science Foundation of China (40373031) and Wenner-Gren Foundation (Gr. 6975). ICP-MS U-series analyses were supported by US NSF grants. We thank the government of Guangxi Zhuang Autonomous Region for permission, Dr James L. Bischoff and Dr Qian Wang for helpful discussions and two anonymous referees for constructive criticisms that improved clarity and consistency. The first author is thankful to his graduate students Li Shi and Xinfeng Zhang for sample pretreatment and alpha spectrometric determinations.",

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AU - Edwards, R. Lawrence

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PY - 2007/12

Y1 - 2007/12

N2 - The Laibin hominid represents one of the rare finds of modern Homo sapiens in China, rare for its relative completeness and well-established stratigaphic provenance. This paper presents the results of mass spectrometric U-series dating of intercalated calcite samples from the Laibin site. The capping flowstone and the calcite vein, which sandwich the hominid fossil-containing deposits, date to 38.5 ± 1.0 and 44.0 ± 0.8 ka, setting respectively the minimum and maximum ages to the fossils. The second flowstone layer is 112.0 ± 1.4 ka old, indicating that the cultural sequence may possibly extend to somewhere between 44 and 112 ka. Securely dated Laibin finds should be of importance in reconstructing human physical and cultural evolution in the region.

AB - The Laibin hominid represents one of the rare finds of modern Homo sapiens in China, rare for its relative completeness and well-established stratigaphic provenance. This paper presents the results of mass spectrometric U-series dating of intercalated calcite samples from the Laibin site. The capping flowstone and the calcite vein, which sandwich the hominid fossil-containing deposits, date to 38.5 ± 1.0 and 44.0 ± 0.8 ka, setting respectively the minimum and maximum ages to the fossils. The second flowstone layer is 112.0 ± 1.4 ka old, indicating that the cultural sequence may possibly extend to somewhere between 44 and 112 ka. Securely dated Laibin finds should be of importance in reconstructing human physical and cultural evolution in the region.

KW - Laibin hominid

KW - Late Pleistocene

KW - Morphologically modern humans

KW - Southern China

KW - Speleothem calcite

KW - U-series dating

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Mass spectrometric U-series dating of Laibin hominid site in Guangxi, southern China

Abstract

Bibliographical note

Keywords

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