NDLI: The Lower Devonian from Tizi-n-Tichka (High Atlas) and from Laàyoune (Tata, Central Anti-Atlas, morocco): New datings and palaeogeographical implications

Content Provider	Springer Nature Link
Author	Lazreq, Nezha Ouanaimi, Hassan
Copyright Year	1998
Abstract	Les conodontes du Dévonien inférieur (Lochkovien-Emsien inférieur), récoltés dans les coupes de Tizi-n-Tichka (Haut Atlas) et de Laàyoune (Anti-Atlas central, Tata) correspondent aux zones àwoschmidti, eolatericrescens-postwoschmidti, delta, pesavis etexcavatus. Ils permettent d’une part, de préciser et d’affiner les datations antérieures, et d’autre part de relier le bassin du Dràa à celui du Haut Atlas, actuellement séparés par la large zone axiale, sans Dévonien, de l’Anti-Atlas central.The conodont faunas of the Lower Devonian (Lochkovian-Lower Emsian) retrieved from the Laàyoune section of Tata in the Central Anti-Atlas and from the Tizi-n-Tichka section in the High Atlas, document thewoschmidti-, eolatericrescens-postwoschmidti-, delta-, pesavis- andexcavatus Zones. They provide accurate biostratigraphical age determinations which seem to indicate that the two sections belong palaeogeographically to belong to the same Lower Devonian basin, across the large axial area of the Central Anti-Atlas which lacks Devonian outcrops.Conodontenfaunen des Unterdevon (Lochkovium-Unter-Emsium), die sowohl vom Zentralen Anti-Atlas im Tata-Profil als auch vom Hohen Atlas im Tizi-n-Tichka-Profil gewonnen wurden, dokumentieren diewoschmidti-, eolatericrescens-postwoschmidti-, delta-, pesavis- undexcavatus-Zone. Obwohl die beiden Profile durch die große Achsenregion des Zentralen Anti-Atlas ohne Devon-Aufschlüsse getrennt sind, zeigen die genauen Datierungen anscheinend, daß die Fundschichten paläogeographisch in demselben Unterdevon-Becken entstanden sind.
Starting Page	223
Ending Page	231
Page Count	9
File Format	PDF
ISSN	00372110
Journal	Palaeobiodiversity and Palaeoenvironments
Volume Number	77
Issue Number	1-2
Language	German
Publisher	Springer-Verlag
Publisher Date	1998-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Conodont datings palaeogeography Lower Devonian High Atlas Central Anti-Atlas Morocco Paleontology Biodiversity Animal Systematics/Taxonomy/Biogeography Plant Systematics/Taxonomy/Biogeography Freshwater & Marine Ecology
Content Type	Text
Resource Type	Article
Subject	Paleontology

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