Conodont biostratigraphy and biofacies across the Devonian-Carboniferous boundary in the Kule section (Uzbekistan)

Published on Apr 8, 2021in Geological Quarterly1.35
· DOI :10.7306/GQ.1588
Katarzyna Narkiewicz8
Estimated H-index: 8
,
Carlo Corradini14
Estimated H-index: 14
(UniTS: University of Trieste)
+ 1 AuthorsMarek Narkiewicz19
Estimated H-index: 19
Sources
Abstract
New conodont data provide further constraints on the occurrence of the Devonian-Carboniferous boundary in the Kule section through the carbonate Novchomok Formation (Kitab Reserve, Uzbekistan). The stratigraphically condensed section includes the interval from the uppermost Famennian Pseudopolygnathus granulosus –lowermost Protognathodus kockeli zones to the middle Tournaisian Siphonodella crenulata Zone. In addition to revision of earlier published taxonomic and biostratigraphic data, two previously unreported taxa are described: Polygnathus sp. n. A and a peculiar form probably representing a new genus (gen. et sp. indet.). The biofacies analysis documents a succession of polygnathid, siphonodellid-polygnathid, polygnathid-siphonodellid to polygnathid-bispathodid, and again polygnathid-siphonodellid biofacies. The generic composition of the samples and relative abundance of Polygnathus purus reflect deep marine environments of the continental slope and rise.
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#1Maciej J. Kotarba (AGH University of Science and Technology)H-Index: 26
#2Mirosław Słowakiewicz (University of Warsaw)H-Index: 10
Last. Marta Waliczek (AGH University of Science and Technology)H-Index: 4
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Abstract null null Hydrous pyrolysis (HP) to simulate the maturation of organic matter (OM) and a variety of organic geochemical analyses and petrographic analyses of OM were performed to establish the origin and depositional environment in the Serpukhovian (Mississippian) and Pennsylvanian coals and carbonaceous shales from the Upper Silesian and Lublin coal basins. OM of coals and shales is dominated by vitrinite- with subordinate liptinite- and inertinite-group macerals, derived from C3 plant...
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#1Markus Aretz (CNRS: Centre national de la recherche scientifique)H-Index: 17
#2Carlo Corradini (UniTS: University of Trieste)H-Index: 14
Last. Julien Denayer (University of Liège)H-Index: 9
view all 3 authors...
This article compiles data on the Devonian-Carboniferous Boundary successions from countries and regions, which have not been dealt with separately in this special issue. Data derive from different palaeocontinents on a large palaeoclimatic gradient from the southern high latitudes of western Gondwana through the palaeotropics into the temperate/boreal northern latitudes of Siberia. The quality of the data is variable, but often surprisingly good, although major uncertainties can persist and tra...
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