Progress in <sup>36</sup>Cl Dating of Young Sediments

Nan ZHANG; Shu-qing AN; Yuan-xian LIN

2013 Vol. 32, No. 3

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Nan ZHANG, Shu-qing AN, Yuan-xian LIN. Progress in 36Cl Dating of Young Sediments[J]. Rock and Mineral Analysis, 2013, 32(3): 353-357.

Citation:

Nan ZHANG, Shu-qing AN, Yuan-xian LIN. Progress in ³⁶Cl Dating of Young Sediments[J]. Rock and Mineral Analysis, 2013, 32(3): 353-357.

Progress in ³⁶Cl Dating of Young Sediments

Tianjin Institute of Geology and Mineral Resources, Tianjin 300170, China

Received Date: 16 October 2012

Accepted Date: 21 November 2012

Abstract

Abstract

The cosmogenic ³⁶Cl has a unique advantage for the dating of quaternary strata and the quaternary period. Due to the continuous development of Accelerator Mass Spectrometry (AMS), ³⁶Cl can now be measured to a high degree of sensitivity. The research status and difficulties surrounding the use of ³⁶Cl as a dating tool are discussed, especially the dating method in continental sediments. The early specific activity I₀ in the dating formula which restricts the application of this technique is also discussed including the theory that the superimposition effect has to I₀at different elevations. The process of the sample′s preparation is also introduced as a dynamic AgCl sample preparation process, namely that the ion exchange resin is applied to remove S and the metallic elements which maybe produce the ‘salt effect’, effectively eliminate the interference to ³⁶Cl by ³⁶S. This method has the advantage of being very efficient.
- young sediments /
- ³⁶Cl /
- dating progress

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References

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