{"refrec":{"BRefID":231536,"RR":"<b>Amedro, F.; Accarie, H.; Robaszynski, F.</b> (2005). Position de la limite Cénomanien-Turonien dans la Formation Bahloul de Tunisie centrale: apports intégrés des ammonites et des isotopes du carbone (δ<sup>13</sup>C). <i>Swiss J. Geosci. 98(2)</i>: 151-167. <a href=\"http://dx.doi.org/10.1007/s00015-005-1158-5\" target=\"_blank\">dx.doi.org/10.1007/s00015-005-1158-5</a>","BEntID":223248,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Swiss J. Geosci. 98(2)</i>: 151-167. <a href=\"https://dx.doi.org/10.1007/s00015-005-1158-5\" target=\"_blank\">https://dx.doi.org/10.1007/s00015-005-1158-5</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Amedro, F.; Accarie, H.; Robaszynski, F.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Amedro, F. <i>et al.</i>","Englishabstract":null,"AbstractOtherLang":"Deux coupes de la Formation Bahloul en Tunisie centrale ont livré plus de 250 ammonites qui fondent une zonation en quatre termes allant du Cénomanien terminal (Zones à <i>Metoicoceras geslinianum</i> et à <i>Pseudaspidoceras pseudonodosoides</i>) au Turonien basal (Zones à <i>Watinoceras</i> spp et à <i>Pseudaspidoceras flexuosum</i>). La position de la limite Cénomanien-Turonien (C-T) étant définie par l’apparition de <i>Watinoceras</i> spp, cette limite est placée à 0,60m près dans la localité-type de la Formation à l’Oued Bahloul. Sur les deux coupes étudiées des mesures du carbone isotopique ont mis en évidence quatre événements – ou pics en δ<sup>13</sup>C – formant des lignes temporelles considérées comme synchrones dans la région considérée. L’événement δ<sup>13</sup>C indexé III, d’âge encore cénomanien, est le plus proche de la limite C-T. Un événement biologique relatif à l’apparition de «filaments» – ou microlamellibranches pélagiques – toujours cénomanien, est encore plus proche de la limite C-T. Enfin, une comparaison est tentée avec les Marnes à Plenus d’Eastbourne (UK) et avec le stratotype de la limite C-T à Pueblo (USA).","BibLvlCode":"AS","StandardTitle":"Position de la limite Cénomanien-Turonien dans la Formation Bahloul de Tunisie centrale: apports intégrés des ammonites et des isotopes du carbone (δ<sup>13</sup>C)","OrigTitleLangCode":"fr","OrigTitleLangCodeExtended":"fre","OrigTitleLangID":22,"DateLastModified":{"date":"2025-07-02 08:33:14.980000","timezone_type":1,"timezone":"+00:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Limite Cénomanien-TuronienTunisieFormation Bahloulammonitesisotope du carbone","OtherDescriptors":null,"Notes":null,"AnaPub":2005,"MonPub":null,"DateUpdate":"2016-09-22","DateCreate":"2013-12-01","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000234630000001","VABBcode":null,"OpenAcc":0,"DOI":"10.1007/s00015-005-1158-5"},"refs":null,"anarec":{"AnaID":231536,"PubliDate":2005,"Pagination":"151-167","XtraPublOfAnaID":null,"ISBN":null,"Volume":"98","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":208928,"SerRR":"Swiss Journal of Geosciences. 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