Evaluation of 14C ages of organic fractions of paleosols from loess-paleosol sequences near Xian, China

M. J. Head; Zhou Weijian Zhou; Zhou Mingfu Zhou

doi:10.1017/s0033822200012285

Evaluation of ¹⁴C ages of organic fractions of paleosols from loess-paleosol sequences near Xian, China

M. J. Head
, Zhou Weijian Zhou
, Zhou Mingfu Zhou

Australian National University

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

61 Scopus citations

Abstract

The ¹⁴C dating of organic fractions from paleosol layers containing <2% carbon in loess-paleosol sequences from the loess plateau in China has yielded results that are quite often much younger than the true age of the sediments. Percolation of modern organic materials from agricultural activities, and binding of these materials within the weathered clays of the paleosols has meant that conventional pretreatment techniques for ¹⁴C dating would not isolate a reliable chemical fraction. -from Authors

Original language	English
Pages (from-to)	680-694
Number of pages	15
Journal	Radiocarbon
Volume	31
Issue number	3
DOIs	https://doi.org/10.1017/s0033822200012285
State	Published - 1990
Externally published	Yes

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title = "Evaluation of 14C ages of organic fractions of paleosols from loess-paleosol sequences near Xian, China",

abstract = "The 14C dating of organic fractions from paleosol layers containing <2\% carbon in loess-paleosol sequences from the loess plateau in China has yielded results that are quite often much younger than the true age of the sediments. Percolation of modern organic materials from agricultural activities, and binding of these materials within the weathered clays of the paleosols has meant that conventional pretreatment techniques for 14C dating would not isolate a reliable chemical fraction. -from Authors",

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year = "1990",

doi = "10.1017/s0033822200012285",

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journal = "Radiocarbon",

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T1 - Evaluation of 14C ages of organic fractions of paleosols from loess-paleosol sequences near Xian, China

AU - Head, M. J.

AU - Weijian Zhou, Zhou

AU - Mingfu Zhou, Zhou

PY - 1990

Y1 - 1990

N2 - The 14C dating of organic fractions from paleosol layers containing <2% carbon in loess-paleosol sequences from the loess plateau in China has yielded results that are quite often much younger than the true age of the sediments. Percolation of modern organic materials from agricultural activities, and binding of these materials within the weathered clays of the paleosols has meant that conventional pretreatment techniques for 14C dating would not isolate a reliable chemical fraction. -from Authors

AB - The 14C dating of organic fractions from paleosol layers containing <2% carbon in loess-paleosol sequences from the loess plateau in China has yielded results that are quite often much younger than the true age of the sediments. Percolation of modern organic materials from agricultural activities, and binding of these materials within the weathered clays of the paleosols has meant that conventional pretreatment techniques for 14C dating would not isolate a reliable chemical fraction. -from Authors

UR - https://www.scopus.com/pages/publications/0025584162

U2 - 10.1017/s0033822200012285

DO - 10.1017/s0033822200012285

M3 - 文章

AN - SCOPUS:0025584162

SN - 0033-8222

VL - 31

SP - 680

EP - 694

JO - Radiocarbon

JF - Radiocarbon

IS - 3

ER -

Evaluation of ¹⁴C ages of organic fractions of paleosols from loess-paleosol sequences near Xian, China

Abstract

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