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Cyanobacterial fossils from 252 Ma old microbialites and their environmental significance
Wu, Ya Sheng1; Yu, Gong Liang2; Li, Ren Hui2; Song, Li Rong2; Jiang, Hong Xia1; Riding, Robert4; Liu, Li Jing1; Liu, Dong Yan3; Zhao, Rui1; Wu, YS (reprint author), Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resource Res, Beijing 100029, Peoples R China.
2014-01-22
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume4
AbstractThe end-Permian mass extinction was followed by the formation of an enigmatic rock layer with a distinctive macroscopic spotted or dendroid fabric. This deposit has been interpreted as microbial reef rock, digitate dendrolite, digital thrombolite, dendritic thrombolite, or bacterial deposits. Agreement has been reached in considering them as microbialites, but not in their formation. This study has revealed that the spotted and dendroid microbialites were composed of numerous fossil casts formed by the planktic cyanobacterium, Microcystis, a coccoid genus that at the present-day commonly forms blooms in modern lakes, rivers, and reservoirs. The abundance of the fossils and the diagenesis they experienced has determined the macroscopic fabric: where they abundant, the rock appears as dendroid, otherwise, it appears as spotted. The ancient Microcystis bloom might produce toxin to kill other metazoans, and be responsible for the oceanic anoxia that has puzzled so many researchers for so many years.; The end-Permian mass extinction was followed by the formation of an enigmatic rock layer with a distinctive macroscopic spotted or dendroid fabric. This deposit has been interpreted as microbial reef rock, digitate dendrolite, digital thrombolite, dendritic thrombolite, or bacterial deposits. Agreement has been reached in considering them as microbialites, but not in their formation. This study has revealed that the spotted and dendroid microbialites were composed of numerous fossil casts formed by the planktic cyanobacterium, Microcystis, a coccoid genus that at the present-day commonly forms blooms in modern lakes, rivers, and reservoirs. The abundance of the fossils and the diagenesis they experienced has determined the macroscopic fabric: where they abundant, the rock appears as dendroid, otherwise, it appears as spotted. The ancient Microcystis bloom might produce toxin to kill other metazoans, and be responsible for the oceanic anoxia that has puzzled so many researchers for so many years.
SubtypeArticle
KeywordPermian-triassic Boundary South China Paleoenvironmental Significance Oceanic Conditions Nanpanjiang Basin Sichuan Province Extinction
Department[Wu, Ya Sheng; Jiang, Hong Xia; Liu, Li Jing; Zhao, Rui] Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resource Res, Beijing 100029, Peoples R China; [Yu, Gong Liang; Li, Ren Hui; Song, Li Rong] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430071, Peoples R China; [Liu, Dong Yan] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China; [Riding, Robert] Univ Tennessee, Dept Earth & Planetary Sci, Knoxville, TN 37996 USA
DOI10.1038/srep03820
WOS HeadingsScience & Technology
Funding OrganizationNational Natural Science Foundation of China [40472015, 40802001, 41372121] ; National Natural Science Foundation of China [40472015, 40802001, 41372121] ; National Natural Science Foundation of China [40472015, 40802001, 41372121] ; National Natural Science Foundation of China [40472015, 40802001, 41372121]
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000330044700011
WOS KeywordPERMIAN-TRIASSIC BOUNDARY ; SOUTH CHINA ; PALEOENVIRONMENTAL SIGNIFICANCE ; OCEANIC CONDITIONS ; NANPANJIANG BASIN ; SICHUAN PROVINCE ; EXTINCTION
Funding OrganizationNational Natural Science Foundation of China [40472015, 40802001, 41372121] ; National Natural Science Foundation of China [40472015, 40802001, 41372121] ; National Natural Science Foundation of China [40472015, 40802001, 41372121] ; National Natural Science Foundation of China [40472015, 40802001, 41372121]
Citation statistics
Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/20117
Collection藻类生物学及应用研究中心_期刊论文
Corresponding AuthorWu, YS (reprint author), Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resource Res, Beijing 100029, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Petr Resource Res, Beijing 100029, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430071, Peoples R China
3.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China
4.Univ Tennessee, Dept Earth & Planetary Sci, Knoxville, TN 37996 USA
Recommended Citation
GB/T 7714
Wu, Ya Sheng,Yu, Gong Liang,Li, Ren Hui,et al. Cyanobacterial fossils from 252 Ma old microbialites and their environmental significance[J]. SCIENTIFIC REPORTS,2014,4.
APA Wu, Ya Sheng.,Yu, Gong Liang.,Li, Ren Hui.,Song, Li Rong.,Jiang, Hong Xia.,...&Wu, YS .(2014).Cyanobacterial fossils from 252 Ma old microbialites and their environmental significance.SCIENTIFIC REPORTS,4.
MLA Wu, Ya Sheng,et al."Cyanobacterial fossils from 252 Ma old microbialites and their environmental significance".SCIENTIFIC REPORTS 4(2014).
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