Early Devonian ammonoid faunas in the Zeravshan Mountains (Uzbekistan and Tadjikistan) and the transition from a carbonate platform setting to pelagic sedimentation

Beitrag in einer Fachzeitschrift
(Originalarbeit)


Details zur Publikation

Autorinnen und Autoren: Naglik C, de Baets K, Klug C
Zeitschrift: Bulletin of Geosciences
Jahr der Veröffentlichung: 2019
Band: 94
Heftnummer: 3
ISSN: 1214-1119
eISSN: 1802-8225


Abstract

Thick Early Devonian carbonatic sedimentary successions, exposed in the Zeravshan Mountains of Uzbekistan, display a transition from a reefal to a pelagic facies. This allows us to document and analyze the history of sedimentation and changes in marine faunas of this region. The late Pragian succession of Bursykhirman Mountain is documented with the transition from platform carbonates to pelagic sediments. Lithology and microfacies through the early Emsian sedimentary sequence of two ammonoid-bearing sections were investigated with a focus on the Dzhaus Beds. In addition to this sedimentological analysis, we discuss the palaeobiogeographically peculiar situation of Uzbekistan (palaeocontinent Kazakhstania). Many species found in the Kitab State Geological Reserve are endemic and at least restricted to the South Tien Shan. We suggest a moderately close relationship to southern Chinese and Vietnamese faunas, even though more palaeontological data from the latter two regions is needed for a test. We also revise the cephalopod fauna from the Kitab Reserve and introduce the following new taxa: Beckeroceras gen. nov., Uzbekisphinctes gen. nov., Ivoites meshchankinae sp. nov., Kitabobactrites salimovae gen. et sp. nov., and Metabactrites rakhmonovi sp. nov.


FAU-Autorinnen und Autoren / FAU-Herausgeberinnen und Herausgeber

de Baets, Kenneth PD Dr.
Geozentrum Nordbayern


Einrichtungen weiterer Autorinnen und Autoren

Universität Zürich (UZH)


Zitierweisen

APA:
Naglik, C., de Baets, K., & Klug, C. (2019). Early Devonian ammonoid faunas in the Zeravshan Mountains (Uzbekistan and Tadjikistan) and the transition from a carbonate platform setting to pelagic sedimentation. Bulletin of Geosciences, 94(3). https://dx.doi.org/10.3140/bull.geosci.1721

MLA:
Naglik, Carole, Kenneth de Baets, and Christian Klug. "Early Devonian ammonoid faunas in the Zeravshan Mountains (Uzbekistan and Tadjikistan) and the transition from a carbonate platform setting to pelagic sedimentation." Bulletin of Geosciences 94.3 (2019).

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Zuletzt aktualisiert 2019-01-07 um 08:53