{"refrec":{"BRefID":223831,"RR":"<b>Dreesen, R.; Thorez, J.</b> (1980). Sedimentary environments, conodont biofacies and paleoecology of the belgian Famennian (upper devonian) - an approach. <i>Ann. Soc. géol. Belg. (1968) 103</i>: 97-110","BEntID":215554,"PublicFlag":1,"CheckedFlag":0,"wosflag":null,"vabbflag":null,"RefStringPartII":". <i>Ann. Soc. Géol. Belg. (1968) 103</i>: 97-110","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Dreesen, R.; Thorez, J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Dreesen, R.; Thorez, J.","Englishabstract":"The vertical succession of the sedimentary formations, which are diachronic with respect to the standard conodont and other microfossils zonation, represents a regressive megasequence in the Belgian Famennian, ranging from relatively deep, offshore open marine, shallow nearshore, to backshore restricted marine environments (THOREZ <i>et al</i>., 1977). Different associations of platform conodont form genera (Biofacies) reflect different ecological conditions, which are directly or indirectly related to water depth, turbulency, salinity and proximity to the coast ; from offshore to backshore we recognized successively a Palmatolepid, a Palmatolepid-Polygnathid, a Polygnathid-Icriodid, an Icriodid, and a supposed Clydagnathid biofacies. In this way the distribution pattern of conodont biofacies throughout the Famennian, represents a normal response to the oscillating movements of a prograding \"coast\" in the studied sedimentary basins. The presence moreover of mixed conodont biofacies (or thanatocoenoses) is also related to sedimentological processes, such as storm wave action, turbidity currents and tidal inlets.","AbstractOtherLang":"La succession verticale des formations sédimentaires qui sont diachroniques par rapport à la zonation standard des conodontes et des autres microfossiles, représente une mégaséquence régressive dans le Famennien belge, formée d'environnements marins s'etageant de milieux relativement profonds \"offshore\" à côtiers peu profonds à \"backshore\" confiné (THOREZ <i>et al</i>., 1977). Différentes associations de genre de forme de conodontes de plateforme (Biofaciès) reflètent des conditions écologiques différentes qui sont directement ou indirectement liées à la profondeur, la turbulence et la salinité de l'eau et la proximité de la côte. D' \"off shore\" à \"backshore\" , nous identifions successivement des biofaciès à Palmatolepides, à Palmatolepides-Polygnathides, à Polygnathides-Icriodides, à Icriodides, et à Clydagnathides présumées. De cette manière, le modèle de distribution des biofaciès de conodontes dans l'ensemble du Famennien représente une réponse normale aux mouvements d'oscillation d'une côte en progradation dans les bassins sédimentaires étudiés. De plus, la présence de biofaciès de conodontes mélangés (ou thanatocoenoses) est aussi liée aux processus sédimentaires tels que l'action de tempêtes, les courants de turbidité et les dépôts de marée.","BibLvlCode":"AS","StandardTitle":"Sedimentary environments, conodont biofacies and paleoecology of the belgian Famennian (upper devonian) - an approach","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-18 01:31:34.251783","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1980,"MonPub":null,"DateUpdate":"2015-09-10","DateCreate":"2013-03-21","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":223831,"PubliDate":1980,"Pagination":"97-110","XtraPublOfAnaID":null,"ISBN":null,"Volume":"103","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45503,"SerRR":"Annales de la Société géologique de Belgique. 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