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The influence of the Late Devonian Kellwasser events on deep-water ecosystems: Evidence from palaeontological and geochemical records from South China
Huang, Cheng1,2; Song, Junjun (宋俊俊)2,3; Shen, Jun4; Gong, Yiming2
2018-09-01
Source PublicationPALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN0031-0182
Volume504Pages:60-74
Abstract

The Late Devonian Frasnian-Famennian (F-F) event, consisting of the Lower and Upper Kellwasser events, had a severe impact on shallow-water ecosystems, while the effect on deep-water ecosystems is ambiguous. In order to recognize the Kellwasser events and to evaluate their influences on the deep-water ecosystems, a newly refined conodont biostratigraphic framework spanning the Lower Palmatolepis rhenana Zone to the Pa. delicatula platys Zone has been established in the Nandong section (basinal facies), Guangxi, South China. The Upper Devonian Lower and Upper Kellwasser horizons (LKH and UKH) have been recognized in the deep-water facies on the basis of lithological variations, biological turnovers, and positive carbon isotope (delta C-13(carb)) excursions. The LKH is characterized by the enrichment of marine nektonic communities (e.g. conodonts, homoctenids, and entomozoacean ostracods), whereas the top of the UKH is barren of fossil organisms, suggesting that the Upper Kellwasser event had a more severe effect on nekton than the Lower Kellwasser event. The Upper Kellwasser (UK) delta(13)C(carb )positive excursion lags behind the enrichment of Cu, Ni, Mo and V, indicating that the UK delta C-13(carb) positive excursion was probably related to elevated primary productivity, which induced oxygen depletion in the water column. The UK delta C-13(carb) positive excursion peak prior to the F-F boundary indicates a more limited effect of riverine influx on the deep-water setting, which suggests that the regional palaeogeographic configuration played an important role in the carbon cycle.

KeywordFrasnian-famennian Basinal Fades Conodont Carbon Isotope Productivity Anoxia
DOI10.1016/j.palaeo.2018.05.006
Language英语
WOS KeywordFrasnian-famennian Boundary ; Carbon-isotope Stratigraphy ; Holy Cross Mountains ; Mass Extinction ; Frasnian/famennian Boundary ; Canning Basin ; Western-australia ; Conodont Biostratigraphy ; Entomozoacean Ostracods ; Stage Boundary
Funding ProjectNational Natural Science Foundation of China[41602027] ; National Natural Science Foundation of China[41290260] ; National Natural Science Foundation of China[41472001] ; Southwest Petroleum University[201599010138] ; 111 Project[B08030] ; National Science and Technology Major Projects[2016ZX05004002-001]
WOS Research AreaPhysical Geography ; Geology ; Paleontology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS IDWOS:000446269900004
Funding OrganizationNational Natural Science Foundation of China ; Southwest Petroleum University ; 111 Project ; National Science and Technology Major Projects
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/16852
Collection中国科学院南京地质古生物研究所
Corresponding AuthorGong, Yiming
Affiliation1.Southwest Petr Univ, Key Lab Carbonate Reservoir CNPC, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Sichuan, Peoples R China
2.China Univ Geosci, Sch Earth Sci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Hubei, Peoples R China
3.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China
4.China Univ Geosci, State Key Lab Geol Proc & Mineral Resources, Wuhan 430074, Hubei, Peoples R China
Recommended Citation
GB/T 7714
Huang, Cheng,Song, Junjun ,Shen, Jun,et al. The influence of the Late Devonian Kellwasser events on deep-water ecosystems: Evidence from palaeontological and geochemical records from South China[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2018,504:60-74.
APA Huang, Cheng,Song, Junjun ,Shen, Jun,&Gong, Yiming.(2018).The influence of the Late Devonian Kellwasser events on deep-water ecosystems: Evidence from palaeontological and geochemical records from South China.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,504,60-74.
MLA Huang, Cheng,et al."The influence of the Late Devonian Kellwasser events on deep-water ecosystems: Evidence from palaeontological and geochemical records from South China".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 504(2018):60-74.
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