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Characterization and Quantification of Magnetofossils Within Abyssal Manganese Nodules From the Western Pacific Ocean and Implications for Nodule Formation
Jiang, X. D.1; Zhao, X.2; Chou, Y. M.1; Liu, Q. S.1; Roberts, A. P.2; Ren, J. B.3; Sun, X. M.4; Li, J. H.5; Tang, X.5; Zhao, X. Y.6; Wang, C. C.7
2020-03-01
Source PublicationGEOCHEMISTRY GEOPHYSICS GEOSYSTEMS
Volume21Issue:3Pages:15
AbstractAbyssal manganese nodules have been explored widely for their economic potential and paleoenvironmental significance. Debate about whether biogenic or physical-chemical processes are responsible for their formation remains because of difficulties in quantifying ancient microbiological contributions. To address this question, we investigated microbial fossils in manganese nodules from the western Pacific Ocean by integrating scanning electron microscope, transmission electron microscope, and synchrotron transmission X-ray microscope observations. Our results suggest that the nodules host abundant fossil biogenic magnetite and manganese-oxidizing bacteria. These organisms engage in redox reactions or live in environments with redox gradients. By combining magnetic properties and observations of fossil biogenic magnetite morphology, we estimate magnetofossil abundances and further assess fossil biogenic manganese oxide in nodules. Our results imply that manganese nodule formation appears to be dominated by biomineralization with an additional terrestrial contribution. Extensive biomineralization in ultralow-productivity oceanic environments suggests that manganese nodule formation is an important aspect of biogeochemical cycling in abyssal seafloor environments. Key Points Abyssal ferromanganese nodules host abundant fossil biogenic magnetite and manganese oxide produced in environments with redox gradients Redox reactions fueled abyssal microbial activity and contributed to biomass production in microecosystems within nodules Manganese nodule formation appears to be dominated by biomineralization
Keywordmanganese nodule magnetofossil manganese-oxidizing bacteria biomineralization rock magnetism
DOI10.1029/2019GC008811
Funding OrganizationSouthern University of Science and Technology (SUSTech) ; Southern University of Science and Technology (SUSTech) ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Australian Research Council ; Australian Research Council ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development ; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering ; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering ; National Synchrotron Radiation Research Center, Taiwan ; National Synchrotron Radiation Research Center, Taiwan ; Southern University of Science and Technology (SUSTech) ; Southern University of Science and Technology (SUSTech) ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Australian Research Council ; Australian Research Council ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development ; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering ; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering ; National Synchrotron Radiation Research Center, Taiwan ; National Synchrotron Radiation Research Center, Taiwan ; Southern University of Science and Technology (SUSTech) ; Southern University of Science and Technology (SUSTech) ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Australian Research Council ; Australian Research Council ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development ; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering ; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering ; National Synchrotron Radiation Research Center, Taiwan ; National Synchrotron Radiation Research Center, Taiwan ; Southern University of Science and Technology (SUSTech) ; Southern University of Science and Technology (SUSTech) ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Australian Research Council ; Australian Research Council ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development ; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering ; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering ; National Synchrotron Radiation Research Center, Taiwan ; National Synchrotron Radiation Research Center, Taiwan
WOS KeywordORGANIC-CARBON FLUX ; DEEP-SEA SEDIMENTS ; MAGNETOTACTIC BACTERIA ; FERROMANGANESE NODULES ; MICROBIAL COMMUNITIES ; POLYMETALLIC CRUSTS ; MAGNETIC-PROPERTIES ; DIVERSITY ; BIOMINERALIZATION ; OXIDATION
Language英语
Funding ProjectSouthern University of Science and Technology (SUSTech)[Y01316111] ; National Key R&D Program of China[2016YFA0601903] ; National Natural Science Foundation of China[41430962] ; Australian Research Council[DP160100805] ; Australian Research Council[DP200100765] ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development[DY135-C1-1-06] ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development[DY135-R2-1-01] ; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering ; National Synchrotron Radiation Research Center, Taiwan[NSRRC-2018-3-278-2]
Funding OrganizationSouthern University of Science and Technology (SUSTech) ; Southern University of Science and Technology (SUSTech) ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Australian Research Council ; Australian Research Council ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development ; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering ; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering ; National Synchrotron Radiation Research Center, Taiwan ; National Synchrotron Radiation Research Center, Taiwan ; Southern University of Science and Technology (SUSTech) ; Southern University of Science and Technology (SUSTech) ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Australian Research Council ; Australian Research Council ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development ; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering ; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering ; National Synchrotron Radiation Research Center, Taiwan ; National Synchrotron Radiation Research Center, Taiwan ; Southern University of Science and Technology (SUSTech) ; Southern University of Science and Technology (SUSTech) ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Australian Research Council ; Australian Research Council ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development ; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering ; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering ; National Synchrotron Radiation Research Center, Taiwan ; National Synchrotron Radiation Research Center, Taiwan ; Southern University of Science and Technology (SUSTech) ; Southern University of Science and Technology (SUSTech) ; National Key R&D Program of China ; National Key R&D Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Australian Research Council ; Australian Research Council ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development ; 13th Five Year Plan Project of International Maritime Resources Investigation and Development ; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering ; Guangdong Provincial Key Laboratory of Marine Resources and Coastal Engineering ; National Synchrotron Radiation Research Center, Taiwan ; National Synchrotron Radiation Research Center, Taiwan
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000534469900014
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/96663
Collection其他部门
Corresponding AuthorChou, Y. M.; Liu, Q. S.
Affiliation1.Southern Univ Sci & Technol, Ctr Marine Magnetism CM2, Dept Ocean Sci & Engn, Shenzhen, Peoples R China
2.Australian Natl Univ, Res Sch Earth Sci, Canberra, ACT, Australia
3.Guangzhou Marine Geol Survey, Guangzhou, Peoples R China
4.Guangdong Prov Key Lab Marine Resources & Coastal, Guangzhou, Peoples R China
5.Chinese Acad Sci, Inst Geol & Geophys, Beijing, Peoples R China
6.Natl Inst Polar Res, Tokyo, Japan
7.Natl Synchrotron Radiat Res Ctr, Hsinchu, Taiwan
Recommended Citation
GB/T 7714
Jiang, X. D.,Zhao, X.,Chou, Y. M.,et al. Characterization and Quantification of Magnetofossils Within Abyssal Manganese Nodules From the Western Pacific Ocean and Implications for Nodule Formation[J]. GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS,2020,21(3):15.
APA Jiang, X. D..,Zhao, X..,Chou, Y. M..,Liu, Q. S..,Roberts, A. P..,...&Wang, C. C..(2020).Characterization and Quantification of Magnetofossils Within Abyssal Manganese Nodules From the Western Pacific Ocean and Implications for Nodule Formation.GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS,21(3),15.
MLA Jiang, X. D.,et al."Characterization and Quantification of Magnetofossils Within Abyssal Manganese Nodules From the Western Pacific Ocean and Implications for Nodule Formation".GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS 21.3(2020):15.
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