NIGPAS OpenIR  > 中国科学院南京地质古生物研究所
The first sphinctozoan-bearing reef from an Ordovician back-arc basin
Li, Qijian (李启剑)1; Li, Yue (李越)2; Kiessling, Wolfgang1,3
2015-07-01
Source PublicationFACIES
ISSN0172-9179
Volume61Issue:3Pages:9
Abstract

Although sphinctozoans, multi-chambered hypercalcified sponges, can be traced from the Cambrian, their reef-building capacity in the Early Paleozoic appears limited. The oldest sphinctozoan-coral-microbial reef is documented here, from the Upper Sanqushan Formation (Late Katian) of southeast China. This is also the first report of Ordovician sphinctozoans from South China. The sponges occur in a >120-m-thick reef that is mainly constructed by calcimicrobes (Kordephyton, Renalcis, and Epiphyton) with a low abundance of in situ metazoans, predominantly sphinctozoan sponges (Corymbospongia) and rugose corals (mostly Palaeophyllum and Streptelasma). Tetradium is the only tabulate coral preserved in growth position. Crinoids and brachiopods are common reef dwellers. Dasycladacean algae are rare and probably transported and stromatactis is abundant. Bio- and litho-facies in this area as well as the characteristics of the microbialite suggest that the reef developed in a deeper subtidal setting that was unfavorable for most metazoan reef builders. In contrast to the high-energy stromatolite-sphinctozoan reefs from the Late Silurian, this case represents a low-energy community, indicating that the first reef-building sphinctozoans might have originated in a relatively deep-water environment on seamounts of a back-arc basin during the Late Ordovician.

KeywordSphinctozoans Microbialites Stromatactis Late Katian Back-arc Basin South China
DOI10.1007/s10347-015-0444-6
Language英语
WOS KeywordSkeletal-dominated Reefs ; South China ; Microbial Reefs ; Yangtze Block ; Sponges ; Evolution ; Paleoecology ; Communities ; Magmatism ; Limestone
Funding ProjectNational Natural Science Foundation of China[41072002] ; National Natural Science Foundation of China[41221001] ; China Scholarship Council[201204910171] ; Postgraduate Grant Scheme from the International Association of Sedimentologists
WOS Research AreaGeology ; Paleontology
WOS SubjectGeology ; Paleontology
WOS IDWOS:000358891300011
Funding OrganizationNational Natural Science Foundation of China ; China Scholarship Council ; Postgraduate Grant Scheme from the International Association of Sedimentologists
PublisherSPRINGER
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Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/11974
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorLi, Yue (李越)
Affiliation1.Univ Erlangen Nurnberg, GeoZentrum Nordbayern, D-91054 Erlangen, Germany
2.Chinese Acad Sci, Nanjing Inst Geol & Paleontol, Nanjing 210008, Peoples R China
3.Museum Nat Kunde, D-10115 Berlin, Germany
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Li, Qijian ,Li, Yue ,Kiessling, Wolfgang. The first sphinctozoan-bearing reef from an Ordovician back-arc basin[J]. FACIES,2015,61(3):9.
APA Li, Qijian ,Li, Yue ,&Kiessling, Wolfgang.(2015).The first sphinctozoan-bearing reef from an Ordovician back-arc basin.FACIES,61(3),9.
MLA Li, Qijian ,et al."The first sphinctozoan-bearing reef from an Ordovician back-arc basin".FACIES 61.3(2015):9.
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