Evolutionary characteristics of lakes and palaeoclimatic undulation in the Qaidam Basin, China

Huang Qi; Teh-Lung Ku; Fred M. Phillips

doi:10.1007/BF02850726

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Evolutionary characteristics of lakes and palaeoclimatic undulation in the Qaidam Basin, China

OriginalPaper | Updated：2023-05-16

- Evolutionary characteristics of lakes and palaeoclimatic undulation in the Qaidam Basin, China
- Evolutionary characteristics of lakes and palaeoclimatic undulation in the Qaidam Basin, China
- 海洋湖沼学报（英文） 1993年11卷第1期页码：34-45
- Affiliations：
  
  1. Institute of Salt Lakes
  2. Department of Geological Sciences University of Southern California
  3. Geoscience Department New Mexico Institute of Mining and Technology
- Author bio：
- Funds：
- DOI：10.1007/BF02850726
  中图分类号：
- 纸质出版：1993
- Accepted：
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Evolutionary characteristics of lakes and palaeoclimatic undulation in the Qaidam Basin, China[J]. 海洋湖沼学报（英文）, 1993,11(1):34-45.

Qi, H., Ku, TL. & Phillips, F.M. Evolutionary characteristics of lakes and palaeoclimatic undulation in the Qaidam Basin, China., Chin. J. Ocean. Limnol. 11, 34–45 (1993). https://doi.org/10.1007/BF02850726
Evolutionary characteristics of lakes and palaeoclimatic undulation in the Qaidam Basin, China[J]. 海洋湖沼学报（英文）, 1993,11(1):34-45. DOI： 10.1007/BF02850726.

Qi, H., Ku, TL. & Phillips, F.M. Evolutionary characteristics of lakes and palaeoclimatic undulation in the Qaidam Basin, China., Chin. J. Ocean. Limnol. 11, 34–45 (1993). https://doi.org/10.1007/BF02850726 DOI：

摘要

Abstract

The Qaidam Basin is a tectonically controlled depression at 2700 m altitude on the northern margin of the Tibet Plateau. A succession of Neogene clastic sediments indicates lake depocentre migration from NW to SE. Towards late Pliocene

evaporative conditions developed with formation of gypsum

halite

celestite

mirabilite and bloedite. Continued deformation through Pleistocene developed a series of NW-SE trending domes and troughs. This setting continued to exert a controlling influence on basin and brine evolution and the progressive development of sulfate to chloride brines as dry conditions intensified in late Pleistocene

at the end of which

extensive flat floors were formed in Dalangtan

Qarhan and other playas. The model

which was set up based on the synthetic analyses

divides the fluctuating palaeoclimate since 750ka

B. P. into 11 warm and humid stages and 10 dry and cold stages. The water of the lakes evaporated during the dry-cold periods and were freshened during the warm-humid periods.

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references

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