Trace elements in non-marine Ostracods and their application to paleoenvironment reconstruction

JIANG Gaolei; LIU Linjing; MAO Xin

doi:10.16562/j.cnki.0256-1492.2019041601

2020 Vol. 40, No. 2

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Article navigation > Marine Geology & Quaternary Geology > 2020 > 40(2): 192-199

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JIANG Gaolei, LIU Linjing, MAO Xin. Trace elements in non-marine Ostracods and their application to paleoenvironment reconstruction[J]. Marine Geology & Quaternary Geology, 2020, 40(2): 192-199. doi: 10.16562/j.cnki.0256-1492.2019041601

Citation:

JIANG Gaolei, LIU Linjing, MAO Xin. Trace elements in non-marine Ostracods and their application to paleoenvironment reconstruction[J]. Marine Geology & Quaternary Geology, 2020, 40(2): 192-199. doi: 10.16562/j.cnki.0256-1492.2019041601

Trace elements in non-marine Ostracods and their application to paleoenvironment reconstruction

1.
Institute of Hydrogeology and Environmental Geology, CAGS, Shijiazhuang 050061, China
2.
Key Laboratory of Quaternary Chronology and Hydrological Environment Evolution, CAGS, Shijiazhuang 050061, China

Received Date: 16 April 2019

Revised Date: 10 May 2019

Publish Date: 25 April 2020

Abstract

Abstract

The trace elements (Mg and Sr in this paper) in non-marine Ostracoda could be used as proxies to reconstruct the paleoenvironment of paleo-lake qualitatively or quantitatively. Since their first application to paleoenvironmental reconstruction in the 1980s, great progress has been made in the past 30 years. There are two factors which influence the proxies. One is the changes in M/Ca ratio of the host water (M refers to Mg plus Sr in this paper), including seasonal changes, microenvironmental differentiation and lake evolution process. This type of factors affects the M/Ca ratio in Ostracoda shells through the changes in M/Ca ratio in the host water,and may lead to the increase in error or decrease in reliability of the reconstruction results. The other is the partition coefficient of Ostracoda shells, including M/Ca of host water, temperature, alkalinity and so on, which can directly affect the bio-chemical process of shell secretion and calcification. This type of influencing factors may severely influence the quantitative reconstruction of paleoenvironment. For improving the accuracy and reliability of the results of paleoenvironmental reconstruction, living habits of modern Ostracoda and their trace elements composition in different environments should be carefully studied as reference cases.
- ostracoda /
- trace elements in shell /
- quantitative reconstruction /
- partition coefficient

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References

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