KMS Nanjing Institute of Geology and Palaeonotology,CAS
The Xiaoyangqiao section, Dayangcha, North China: the new global Auxiliary Boundary Stratotype Section and Point (ASSP) for the base of the Ordovician System | |
Wang, Xiaofeng1; Stouge, Svend2; Maletz, Jorg3; Bagnoli, Gabriella4; Qi, Yuping(祁玉平)5![]() | |
2021-12-01 | |
Source Publication | EPISODES
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ISSN | 0705-3797 |
Volume | 44Issue:4Pages:359-383 |
Abstract | In 2019 the Sub-Commission on the Ordovician System approved the Xiaoyangqiao section, North China as a new ASSP section for the base of the Ordovician System. The sedimentary succession of the section is exposed in a natural outcrop near the Dayangcha Village at a position of 42 degrees 3'24 '' N, 126 degrees 42'21 '' E. It has a well-preserved, abun-dant and diverse fossil record across the boundary with key markers (conodonts and graptolites), which provide improved intercontinental correlation of the Cambrian- Ordovician boundary. The appearance of the first plank -tonic graptolites is immediately below the base of the Cordy-lodus lindstromi Conodont Zone. Other fossils, including acritarchs, brachiopods and trilobites are also present in the Xiaoyangqiao ASSP section. Non-biotic secondary global markers near the base of the Ordovician System include a positive carbon isotopic excursion with the maximum peak (named HSS) below the boundary, a prominent unnamed negative peak immediately below the boundary and a prominent carbon isotope excursion with positive peaks above the boundary. The latter excursion is associated with the appearance of the planktonic graptolites in the Ordo-vician. The strength of the Xiaoyangqiao ASSP section is the correlation between the conodonts and graptolites, correspondence of sea-level lowstands, and the matches of geochemical parameters. |
DOI | 10.18814/epiiugs/2020/020091 |
Indexed By | SCI |
Language | 英语 |
WOS Keyword | CONODONT IAPETOGNATHUS ; JILIN-PROVINCE ; GREEN POINT ; SEA-LEVEL ; STRATIGRAPHY ; NEWFOUNDLAND ; GSSP ; GRAPTOLITE ; EVOLUTION ; TRILOBITE |
Funding Project | China Ministry of Sciences and Technology ; China Geological Survey[2015FY310100-7] ; China Geological Survey[DD20160120-04] ; China Geological Survey[DD20190009] ; Chinese Commission of Stratigraphy ; Wuhan Center of Chinese Geological Survey (WCCGS) ; National Natural Science Foun-dation of China[41630101] ; CAS Presi-dent's International Fellowship Initiative (PIFI) grant[2019VCA0005] ; Deutsche Forschungsgemeinschaft (DFG)[MA 1269/7-1] ; Carlsberg Foundation, Copenhagen, Denmark |
WOS Research Area | Geology |
WOS Subject | Geosciences, Multidisciplinary |
WOS ID | WOS:000725278000001 |
Funding Organization | China Ministry of Sciences and Technology ; China Geological Survey ; Chinese Commission of Stratigraphy ; Wuhan Center of Chinese Geological Survey (WCCGS) ; National Natural Science Foun-dation of China ; CAS Presi-dent's International Fellowship Initiative (PIFI) grant ; Deutsche Forschungsgemeinschaft (DFG) ; Carlsberg Foundation, Copenhagen, Denmark |
Publisher | GEOLOGICAL SOC KOREA |
Document Type | 期刊论文 |
Identifier | http://ir.nigpas.ac.cn/handle/332004/40205 |
Collection | 中国科学院南京地质古生物研究所 |
Corresponding Author | Stouge, Svend |
Affiliation | 1.Wuhan Ctr China Geol Survey, Wuhan Inst Geol & Mineral Resources, Wuhan, Peoples R China 2.Univ Copenhagen, Nat Hist Museum Denmark, Copenhagen, Denmark 3.Free Univ Berlin, Inst Geol, Berlin, Germany 4.Dipartimento Sci Terra, Via S Maria 53, I-56126 Pisa, Italy 5.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, 39 East Beijing Rd, Nanjing 210008, Peoples R China 6.AO Geologorazvedka, Fayansovaya Stra 20,Bldg 2,Iti A, St Petersburg 192019, Russia |
Recommended Citation GB/T 7714 | Wang, Xiaofeng,Stouge, Svend,Maletz, Jorg,et al. The Xiaoyangqiao section, Dayangcha, North China: the new global Auxiliary Boundary Stratotype Section and Point (ASSP) for the base of the Ordovician System[J]. EPISODES,2021,44(4):359-383. |
APA | Wang, Xiaofeng.,Stouge, Svend.,Maletz, Jorg.,Bagnoli, Gabriella.,Qi, Yuping.,...&Yan, Chunbo.(2021).The Xiaoyangqiao section, Dayangcha, North China: the new global Auxiliary Boundary Stratotype Section and Point (ASSP) for the base of the Ordovician System.EPISODES,44(4),359-383. |
MLA | Wang, Xiaofeng,et al."The Xiaoyangqiao section, Dayangcha, North China: the new global Auxiliary Boundary Stratotype Section and Point (ASSP) for the base of the Ordovician System".EPISODES 44.4(2021):359-383. |
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