Preparation of Authigenic Pyrite from Methane-bearing Sediments for In Situ Sulfur Isotope Analysis Using SIMS

7.6K Views

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09:31 min

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August 31st, 2017

DOI :

10.3791/55970-v

August 31st, 2017

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Zhiyong Lin¹^,³, Xiaoming Sun¹^,²^,³^,⁴, Jörn Peckmann⁵, Yang Lu²^,³, Harald Strauss⁶, Li Xu²^,³, Hongfeng Lu⁷, Barbara M.A. Teichert⁶

¹School of Earth Sciences and Engineering, Sun Yat-sen University, ²School of Marine Sciences, Sun Yat-sen University, ³Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering, ⁴South China Sea Bio-Resource Exploitation and Utilization Collaborative Innovation Center, ⁵Institut für Geologie, Universität Hamburg, ⁶Institut für Geologie und Paläontologie, Westfälische Wilhelms-Universität Münster, ⁷Guangzhou Marine Geological Survey

Summary

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Keywords Pyrite

Authigenic Pyrite

Methane bearing Sediments

In Situ Sulfur Isotope Analysis

SIMS

Diagenetic History

Biogeochemical Processes

Organiclastic Sulfur Reduction

Sulfur driven Anaerobic Oxidation Of Methane

Bulk Sulfur Extraction

Morphological Features

Textural Features

Sample Preparation

Chapters in this video

0:05

Title

0:59

Sediment Core Sample Collection

2:48

Morphology Observation

4:17

Sample Preparation for SIMS Analysis

5:25

SIMS Analysis

6:47

Results: The Content and Sulfur Isotopic Compositions of Sulfide Minerals

8:29

Conclusion

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