末次间冰期以来渭南黄土剖面高分辨率古气候时间标尺

王文远; 刘嘉麒; 潘懋; 刘东生

Volume 25 Issue 1

Jan. 2000

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Article Navigation > Earth Science > 2000 > 25(1): 98-102

WANG Wen-yuan, LIU Jia-qi, PAN Mao, LIU Dong-sheng, 2000. RECONSTRUCTION OF THE HIGH RESOLUTION TIMESCALE IN THE WEINAN LOESS SECTION OF THE LATE QUATERNARY. Earth Science, 25(1): 98-102.

Citation:

WANG Wen-yuan, LIU Jia-qi, PAN Mao, LIU Dong-sheng, 2000. RECONSTRUCTION OF THE HIGH RESOLUTION TIMESCALE IN THE WEINAN LOESS SECTION OF THE LATE QUATERNARY. Earth Science, 25(1): 98-102.

WANG Wen-yuan, LIU Jia-qi, PAN Mao, LIU Dong-sheng, 2000. RECONSTRUCTION OF THE HIGH RESOLUTION TIMESCALE IN THE WEINAN LOESS SECTION OF THE LATE QUATERNARY. Earth Science, 25(1): 98-102.

Citation:

WANG Wen-yuan, LIU Jia-qi, PAN Mao, LIU Dong-sheng, 2000. RECONSTRUCTION OF THE HIGH RESOLUTION TIMESCALE IN THE WEINAN LOESS SECTION OF THE LATE QUATERNARY. Earth Science, 25(1): 98-102.

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RECONSTRUCTION OF THE HIGH RESOLUTION TIMESCALE IN THE WEINAN LOESS SECTION OF THE LATE QUATERNARY

1.
Department of Geology, Peking University, Beijing 100871, China
2.
Institute of Geology, Chinese Academy of Sciences, Beijing 100029, China

Received Date: 1999-08-31
Publish Date: 2000-01-25

Abstract

Abstract

Seven samples of loess and paleosol collected from the major stratigraphic boundaries of the Weinan section, Shaanxi Province, have been dated using the fine-grain TL technique. Based on the TL results and previously ages-published from this section, the polynomial regression methods are applied to developing the high resolution timescale for the Weinan loess section in the Late Quaternary. According to this timescale, the ages of S0/L1-1, L1-1/L1-2, L1-4/L1-5, L1-5/S1 and S1/L2 stratigraphic boundary of Weinan section are 1.1, 2.5, 5.1, 7.6 and 12.8 ka. With exception of the maximum difference between the ages of L1-4/ L1-5 and the ages of 3/4 stage boundary of the deep-sea oxygen isotopes, they are generally consistentwith the ages of 1/2, 2/3, 4/5 and 5/6 stage boundary of the deep-sea oxygen isotopes in the SPECMAP curve.
- loess,
- thermoluminescence dating,
- high resolution,
- timescale

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References(18)

References

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