<i>In situ</i> microanalysis of elements/Ca ratio in benthic foraminifera shells (<i>Florilus decors</i>) and its application——a case study off the Changjiang River Estuary

Nan Haiming; Xu Bochao; Huang Xiangtong; Yang Shouye; Guo Xiaoyi; Wang Feifei; Qiu Mingzhi; Zhang Xiaojie; Yu Zhigang

doi:10.3969/j.issn.0253-4193.2018.10.015

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Article Navigation > Haiyang Xuebao > 2018 > 40(10): 158-166

Nan Haiming, Xu Bochao, Huang Xiangtong, Yang Shouye, Guo Xiaoyi, Wang Feifei, Qiu Mingzhi, Zhang Xiaojie, Yu Zhigang. In situ microanalysis of elements/Ca ratio in benthic foraminifera shells (Florilus decors) and its application——a case study off the Changjiang River Estuary[J]. Haiyang Xuebao, 2018, 40(10): 158-166. doi: 10.3969/j.issn.0253-4193.2018.10.015

Citation:

Nan Haiming, Xu Bochao, Huang Xiangtong, Yang Shouye, Guo Xiaoyi, Wang Feifei, Qiu Mingzhi, Zhang Xiaojie, Yu Zhigang. In situ microanalysis of elements/Ca ratio in benthic foraminifera shells (Florilus decors) and its application——a case study off the Changjiang River Estuary[J]. Haiyang Xuebao, 2018, 40(10): 158-166. doi: 10.3969/j.issn.0253-4193.2018.10.015

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In situ microanalysis of elements/Ca ratio in benthic foraminifera shells (Florilus decors) and its application——a case study off the Changjiang River Estuary

doi: 10.3969/j.issn.0253-4193.2018.10.015

1.
Key laboratory of Marine Chenistry Theory and Techonlogy/Ministry of Education, Ocean University of China, Qingdao 266100, China;College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
2.
Key laboratory of Marine Chenistry Theory and Techonlogy/Ministry of Education, Ocean University of China, Qingdao 266100, China;Marine Ecology and Environmental Science Laboratory, Pilot National Laboratory for Marine Science and Technology(Qingdao), Qingdao 266071, China
3.
State Key Laboratory of Marine Geology, Tongji University, Shanghai 200092, China
4.
Qingdao Institute of Marine Geology, China Geological Survey, Qingdao 266071, China

Received Date: 2018-05-21
Rev Recd Date: 2018-07-25

Abstract

Abstract

The analytical techniques for trace elements and isotopic ratios in foraminifera shells from deep-sea sediments have been well developed. However, few papers have reported the in situ elemental analysis from estuaries and coastal sediments. In this study, an in situ microanalytical method of elements/Ca for foraminifera (Florilus decors) shells from sediment off the Changjiang River Estuary via using Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) was explored. We tested a series of laser ablation conditions (e.g., carrier flow, uence, laser spot size, repetition rate) to optimizing the analytical procedure. F. decors shells, collected from the sediment off Changjiang River Estuary in July 2016, were analyzed based on the procedure. We found Mg/Ca and Sr/Ca ratios on the foraminifera shells had no significant difference in different positions, but Mn/Ca had relative discrete trends, which might be caused by the foram living aquatic environment.
- in situ microscopic analysis,
- LA-ICP-MS,
- foraminifera,
- Changjiang River Estuary

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References(29)

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