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Stromatolites in Middle Ordovician carbonate-evaporite sequences and their carbon and sulfur isotopes stratigraphy, Ordos Basin, northwestern China
Meng, Fan-Wei (孟凡巍)1; Zhang, Zhi-li2; Yan, Xian-qin3; Ni, Pei4; Liu, Wen-Hang5; Fan, Fu6; Xie, Gu-Wei7,8
2019-03-01
Source PublicationCARBONATES AND EVAPORITES
ISSN0891-2556
Volume34Issue:1Pages:11-20
Abstract

At the present day, stromatolites are very rare and limited to high-salinity settings. However, abundant and variable stromatolite fossils occur in thick evaporite sequences, the Middle Ordovician Majiagou Formation of the Ordos Basin, northwestern China. The setting and fossil assemblage imply that the high salinity prevented metazoan grazing and allowed stromatolites to flourish. The carbon isotope curve based on new data (average data range from -4.52 to +0.56 parts per thousand) from drilling cores in Majiagou Formation is in good agreement with Middle Ordovician (Darriwilian), and supports the Middle Ordovician age inferred from biostratigraphy. Sulfur isotopes values (range from +27.1 to +28.0 parts per thousand) are higher than those of the Upper Ordovician but much lower than those of the Lower Middle Cambrian; thus, the sulfur values imply that the Majiagou Formation is of Middle Ordovician age. New carbon and sulfur isotope data imply that these strata are of Middle Ordovician age, in good agreement with previous paleontological dating.

KeywordStromatolites Ordovician Carbonate Ordos Basin China
DOI10.1007/s13146-017-0367-0
Language英语
WOS KeywordFluid Inclusions ; Origin ; Sulfate ; Decline ; Life
Funding ProjectNational Natural Science Foundation of China[41473039] ; National Natural Science Foundation of China[4151101015] ; National Natural Science Foundation of China[41302005]
WOS Research AreaGeology
WOS SubjectGeology
WOS IDWOS:000460049000002
Funding OrganizationNational Natural Science Foundation of China
PublisherSPRINGER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/15931
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorYan, Xian-qin
Affiliation1.Chinese Acad Sci, Nanjing Inst Geol & Paleontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
2.SINOPEC, Petr Explorat & Dev Res Inst, Beijing 100083, Peoples R China
3.Geol Explorat Technol Inst Jiangsu Prov, Nanjing 210049, Jiangsu, Peoples R China
4.Nanjing Univ, Inst Geofluids, Sch Earth Sci & Engn, State Key Lab Mineral Deposit Res, Nanjing 210093, Jiangsu, Peoples R China
5.Polish Acad Sci, Inst Geol Sci, 51-55 Twarda St, PL-00818 Warsaw, Poland
6.Chinese Acad Geol Sci, Inst Mineral Resources, Beijing 100037, Peoples R China
7.PetroChina Co Ltd Changqing Oilfield Brand, Inst Explorat Dev & Res, Xian 710018, Shaanxi, Peoples R China
8.Natl Engn Lab Explorat & Dev Low Permeabil Oil &, Xian 710018, Shaanxi, Peoples R China
First Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Meng, Fan-Wei ,Zhang, Zhi-li,Yan, Xian-qin,et al. Stromatolites in Middle Ordovician carbonate-evaporite sequences and their carbon and sulfur isotopes stratigraphy, Ordos Basin, northwestern China[J]. CARBONATES AND EVAPORITES,2019,34(1):11-20.
APA Meng, Fan-Wei .,Zhang, Zhi-li.,Yan, Xian-qin.,Ni, Pei.,Liu, Wen-Hang.,...&Xie, Gu-Wei.(2019).Stromatolites in Middle Ordovician carbonate-evaporite sequences and their carbon and sulfur isotopes stratigraphy, Ordos Basin, northwestern China.CARBONATES AND EVAPORITES,34(1),11-20.
MLA Meng, Fan-Wei ,et al."Stromatolites in Middle Ordovician carbonate-evaporite sequences and their carbon and sulfur isotopes stratigraphy, Ordos Basin, northwestern China".CARBONATES AND EVAPORITES 34.1(2019):11-20.
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