LOESS STRATIGRAPHY AND ENVIRONMENT RECORDS IN LIXIAN COUNTY,SICHUAN PROVINCE

WANG Shu-bing; JIANG Fu-chu; TIAN Guo-qiang

Marine Geology & Quaternary Geology > 2006 > 26(3): 115-119.

WANG Shu-bing, JIANG Fu-chu, TIAN Guo-qiang. LOESS STRATIGRAPHY AND ENVIRONMENT RECORDS IN LIXIAN COUNTY,SICHUAN PROVINCE[J]. Marine Geology & Quaternary Geology, 2006, 26(3): 115-119.

Citation:

WANG Shu-bing, JIANG Fu-chu, TIAN Guo-qiang. LOESS STRATIGRAPHY AND ENVIRONMENT RECORDS IN LIXIAN COUNTY,SICHUAN PROVINCE[J]. Marine Geology & Quaternary Geology, 2006, 26(3): 115-119.

Citation:

WANG Shu-bing, JIANG Fu-chu, TIAN Guo-qiang. LOESS STRATIGRAPHY AND ENVIRONMENT RECORDS IN LIXIAN COUNTY,SICHUAN PROVINCE[J]. Marine Geology & Quaternary Geology, 2006, 26(3): 115-119.

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LOESS STRATIGRAPHY AND ENVIRONMENT RECORDS IN LIXIAN COUNTY,SICHUAN PROVINCE

1 Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081, China;
2 Open Laboratory of Lake Sediment and Environment, Chinese Academy of Sciences, Nanjing 210008, China

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Received Date: October 28, 2005
Revised Date: December 29, 2005

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Abstract

Abstract

The loess accumulation consists of paleosol S0 and S1 and loess L1 in Lixian County,Sichuan Province,whose thickness is 7.30 m.According to OSL dating results,geological survey and magnetic susceptibility characters,the loess accumulation originated from the last glaciation since 130 kaBP.Through some analyses of classical climatic substitute indexes such as magnetic susceptibility,grain size and CaCO₃ content,it is revealed that they can still reflect the environmental and climatic changes in the east of Qinghai-Tibet Plateau.Environmental records show that in that area the environment was extremely cold and wet during the interstage of the last glaciation(deep sea oxygen isotope stage 3).The environmental variations in Lixian County are close to Indian monsoon records in intensity changes,but its similarity to the Greenland Ice Core and deep-sea oxygen isotope records is slightly lower.
- environmental records,
- loess stratigraphy,
- Lixian County,
- west Sichuan Plateau

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References

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LOESS STRATIGRAPHY AND ENVIRONMENT RECORDS IN LIXIAN COUNTY,SICHUAN PROVINCE