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Age calibration of the Lower Ordovician Fezouata Lagerstatte, Morocco
Lefebvre, Bertrand1; Gutierrez-Marco, Juan C.2,3; Lehnert, Oliver4,5,6,7; Martin, Emmanuel L. O.1; Nowak, Hendrik8,9; Akodad, Mustapha10; El Hariri, Khadija11; Servais, Thomas9
2018-04-01
Source PublicationLETHAIA
ISSN0024-1164
Volume51Issue:2Pages:296-311
Abstract

The Fezouata Lagerstatte, discovered in the Lower Ordovician rocks of Morocco, is a Konservat-Lagerstatte of prime scientific importance. It provides access not only to the shelly' (skeletonized) part of its fossil assemblages, but also to non-biomineralized to lightly sclerotized organisms and to exceptionally preserved soft tissues of a complex ecosystem, mixing elements of both the Cambrian Explosion' and the Great Ordovician Biodiversification Event' (GOBE). The Fezouata Lagerstatte occurs at different intervals in the Fezouata Shale, a formation ranging from the lower Tremadocian to the upper Floian (Lower Ordovician). In spite of recent major advances in the detailed biostratigraphy of the Fezouata Shale, there is currently no consensus on the precise age of the fossiliferous levels yielding exceptionally preserved assemblages. Consequently, all available biostratigraphical evidence based on several fossil groups is here critically reviewed and discussed. It can be concluded that exceptional preservation is restricted to a few thin, discontinuous, lens-shaped horizons occurring in two distinct parts of the Fezouata Shale: a lower interval (260-330m above the base of the formation) and an upper interval (570-620m). Integrated biostratigraphical studies, essentially based on investigations of graptolites, acritarchs and conodonts, indicate that the lower interval can be correlated with the upper Tremadocian, whereas the upper interval corresponds to the middle Floian.

KeywordBiostratigraphy Fezouata Shale Lagerstatten Morocco Ordovician
DOI10.1111/let.12240
Language英语
WOS KeywordCentral Anti-atlas ; Shale Lower Ordovician ; Trifidum Acritarch Assemblage ; Cambrian Burgess Shale ; British-columbia ; South China ; Tremadoc ; Graptolites ; Argentina ; Cordillera
Funding ProjectANR (Agence Nationale de la Recherche, France)[ANR-11-BS56-0025] ; INSU (Institut National des Sciences de l'Univers, France), CNRS ; French Ministere de l'Enseignement Superieur et de la Recherche ; Hauts de France Region ; European Funds for Regional Economical Development ; Alexander von Humboldt Foundation (Germany) ; [CGL2012-39471/BTE]
WOS Research AreaPaleontology
WOS SubjectPaleontology
WOS IDWOS:000428449700014
Funding OrganizationANR (Agence Nationale de la Recherche, France) ; INSU (Institut National des Sciences de l'Univers, France), CNRS ; French Ministere de l'Enseignement Superieur et de la Recherche ; Hauts de France Region ; European Funds for Regional Economical Development ; Alexander von Humboldt Foundation (Germany)
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/18876
Collection中国科学院南京地质古生物研究所
Corresponding AuthorLefebvre, Bertrand
Affiliation1.Geode Univ Lyon 1, UMR CNRS 5276, LGLTPE, 2 Rue Dubois, F-69622 Villeurbanne, France
2.UCM, Jose Antonio Novais 12, E-28040 Madrid, Spain
3.CSIC, Inst Geociencias, Fac Ciencias Geol, Dept Paleontol, Jose Antonio Novais 12, E-28040 Madrid, Spain
4.Friedrich Alexander Univ Erlangen Nurnberg, Lithosphere Dynam, GeoZentrum Nordbayern, Schlossgarten 5, D-91054 Erlangen, Germany
5.Czech Univ Life Sci Prague, Fac Environm Sci, Kamycka 129, Prague 16521 6, Suchdol, Czech Republic
6.Chinese Acad Sci, Key Lab Econ Stratig & Palaeogeog, Nanjing Inst Geol & Palaeontol, 39 East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
7.Tallinn Univ Technol, Inst Geol, Ehitajate Tee 5, EE-19086 Tallinn, Estonia
8.Museo Sci Nat Alto Adige, Nat Museum Sudtirol, Bindergasse Via Bottai 1, I-39100 Bozen Bolzano, Italy
9.Univ Lille, UMR, CNRS, Evoecopaleo 8198, F-59000 Lille, France
10.Fac Pluridisciplinaire Nador Labo OLMAN RL, FPN 300, Selouane 67200, Nador, Morocco
11.Univ Cadi Ayyad, Dept Sci Terre, Fac Sci & Tech, BP 549, Marrakech 40000, Morocco
Recommended Citation
GB/T 7714
Lefebvre, Bertrand,Gutierrez-Marco, Juan C.,Lehnert, Oliver,et al. Age calibration of the Lower Ordovician Fezouata Lagerstatte, Morocco[J]. LETHAIA,2018,51(2):296-311.
APA Lefebvre, Bertrand.,Gutierrez-Marco, Juan C..,Lehnert, Oliver.,Martin, Emmanuel L. O..,Nowak, Hendrik.,...&Servais, Thomas.(2018).Age calibration of the Lower Ordovician Fezouata Lagerstatte, Morocco.LETHAIA,51(2),296-311.
MLA Lefebvre, Bertrand,et al."Age calibration of the Lower Ordovician Fezouata Lagerstatte, Morocco".LETHAIA 51.2(2018):296-311.
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