Biostratigraphy and isotope stratigraphy of upper Maastrichtian–Danian marine deposits of the Kopet-Dagh Basin, northeast Iran
Biostratigraphy, using foraminifera and echinoids, plus high-resolution carbon isotope stratigraphy of the upper Maastrichtian–Danian interval in the western part of the Kopet-Dagh Basin in northeast Iran are outlined. Our study of shallow-marine carbonate platform deposits of the Kalat Formation, r...
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Online Access: | http://hdl.handle.net/10447/291381 https://doi.org/10.1016/j.cretres.2018.03.011 |
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ftunivpalermo:oai:iris.unipa.it:10447/291381 2024-02-11T10:08:04+01:00 Biostratigraphy and isotope stratigraphy of upper Maastrichtian–Danian marine deposits of the Kopet-Dagh Basin, northeast Iran Ezampanah, Yadolah Scopelliti, Giovanna Sadeghi, Abbas Jamali, Amir Mohammad Moghadam, Mohsen Yazdi Kamyabi Shadan, Hossein Ezampanah, Yadolah Scopelliti, Giovanna Sadeghi, Abba Jamali, Amir Mohammad Moghadam, Mohsen Yazdi Kamyabi Shadan, Hossein 2018 http://hdl.handle.net/10447/291381 https://doi.org/10.1016/j.cretres.2018.03.011 eng eng info:eu-repo/semantics/altIdentifier/wos/WOS:000442334000009 volume:90 firstpage:97 lastpage:114 numberofpages:18 journal:CRETACEOUS RESEARCH http://hdl.handle.net/10447/291381 doi:10.1016/j.cretres.2018.03.011 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85046463185 info:eu-repo/semantics/closedAccess Mesozoic Cenozoic Clypeorbis mammillatus Kalat Formation Chehel Kaman Formation Planktonic foraminifera Isotope stratigraphy info:eu-repo/semantics/article 2018 ftunivpalermo https://doi.org/10.1016/j.cretres.2018.03.011 2024-01-16T23:27:46Z Biostratigraphy, using foraminifera and echinoids, plus high-resolution carbon isotope stratigraphy of the upper Maastrichtian–Danian interval in the western part of the Kopet-Dagh Basin in northeast Iran are outlined. Our study of shallow-marine carbonate platform deposits of the Kalat Formation, rich in larger benthic foraminifera (predominantly Clypeorbis mammillatus Schlumberger, Lepidorbitoides sp. and Siderolites calcitrapoides Lamarck), has allowed the definition of a C. mammillatus-S. calcitrapoides Assemblage Zone, of late Maastrichtian age. Clypeorbis mammillatus is here recorded for the first time from the Maastrichtian Kalat Formation and represents the most easterly find of this taxon in the European faunal province. From Danian strata of the Chehel Kaman Formation three genera (Cyclaster, Echinocorys and Pseudogibbaster) and four species of echinoids were identified. In addition, three planktonic foraminiferal biozones are introduced here for the Danian interval of the Chehel Kaman Formation studied, i.e., Guembelitria cretacea Zone, Eoglobigerina 34 eobulloides–Subbotina triloculinoides Interval Zone (Pα-P1a) and Subbotina triloculinoides Subzone (P1b). The isotope profile obtained correlates with the subtropical Bottaccione/Contessa reference curve for the K/Pg boundary interval and, on a regional scale, with the Maraveh Tapeh section, which represents the δ13C positive excursion of KPg-2 and the upper negative excursion of the KPg-3. The K/Pg boundary, placed at the δ13C maximum above KPg-3, corresponds in the Qareh Galdy section with sample 2239. Article in Journal/Newspaper Planktonic foraminifera IRIS Università degli Studi di Palermo Lamarck ENVELOPE(140.027,140.027,-66.666,-66.666) Cretaceous Research 90 97 114 |
institution |
Open Polar |
collection |
IRIS Università degli Studi di Palermo |
op_collection_id |
ftunivpalermo |
language |
English |
topic |
Mesozoic Cenozoic Clypeorbis mammillatus Kalat Formation Chehel Kaman Formation Planktonic foraminifera Isotope stratigraphy |
spellingShingle |
Mesozoic Cenozoic Clypeorbis mammillatus Kalat Formation Chehel Kaman Formation Planktonic foraminifera Isotope stratigraphy Ezampanah, Yadolah Scopelliti, Giovanna Sadeghi, Abbas Jamali, Amir Mohammad Moghadam, Mohsen Yazdi Kamyabi Shadan, Hossein Biostratigraphy and isotope stratigraphy of upper Maastrichtian–Danian marine deposits of the Kopet-Dagh Basin, northeast Iran |
topic_facet |
Mesozoic Cenozoic Clypeorbis mammillatus Kalat Formation Chehel Kaman Formation Planktonic foraminifera Isotope stratigraphy |
description |
Biostratigraphy, using foraminifera and echinoids, plus high-resolution carbon isotope stratigraphy of the upper Maastrichtian–Danian interval in the western part of the Kopet-Dagh Basin in northeast Iran are outlined. Our study of shallow-marine carbonate platform deposits of the Kalat Formation, rich in larger benthic foraminifera (predominantly Clypeorbis mammillatus Schlumberger, Lepidorbitoides sp. and Siderolites calcitrapoides Lamarck), has allowed the definition of a C. mammillatus-S. calcitrapoides Assemblage Zone, of late Maastrichtian age. Clypeorbis mammillatus is here recorded for the first time from the Maastrichtian Kalat Formation and represents the most easterly find of this taxon in the European faunal province. From Danian strata of the Chehel Kaman Formation three genera (Cyclaster, Echinocorys and Pseudogibbaster) and four species of echinoids were identified. In addition, three planktonic foraminiferal biozones are introduced here for the Danian interval of the Chehel Kaman Formation studied, i.e., Guembelitria cretacea Zone, Eoglobigerina 34 eobulloides–Subbotina triloculinoides Interval Zone (Pα-P1a) and Subbotina triloculinoides Subzone (P1b). The isotope profile obtained correlates with the subtropical Bottaccione/Contessa reference curve for the K/Pg boundary interval and, on a regional scale, with the Maraveh Tapeh section, which represents the δ13C positive excursion of KPg-2 and the upper negative excursion of the KPg-3. The K/Pg boundary, placed at the δ13C maximum above KPg-3, corresponds in the Qareh Galdy section with sample 2239. |
author2 |
Ezampanah, Yadolah Scopelliti, Giovanna Sadeghi, Abba Jamali, Amir Mohammad Moghadam, Mohsen Yazdi Kamyabi Shadan, Hossein |
format |
Article in Journal/Newspaper |
author |
Ezampanah, Yadolah Scopelliti, Giovanna Sadeghi, Abbas Jamali, Amir Mohammad Moghadam, Mohsen Yazdi Kamyabi Shadan, Hossein |
author_facet |
Ezampanah, Yadolah Scopelliti, Giovanna Sadeghi, Abbas Jamali, Amir Mohammad Moghadam, Mohsen Yazdi Kamyabi Shadan, Hossein |
author_sort |
Ezampanah, Yadolah |
title |
Biostratigraphy and isotope stratigraphy of upper Maastrichtian–Danian marine deposits of the Kopet-Dagh Basin, northeast Iran |
title_short |
Biostratigraphy and isotope stratigraphy of upper Maastrichtian–Danian marine deposits of the Kopet-Dagh Basin, northeast Iran |
title_full |
Biostratigraphy and isotope stratigraphy of upper Maastrichtian–Danian marine deposits of the Kopet-Dagh Basin, northeast Iran |
title_fullStr |
Biostratigraphy and isotope stratigraphy of upper Maastrichtian–Danian marine deposits of the Kopet-Dagh Basin, northeast Iran |
title_full_unstemmed |
Biostratigraphy and isotope stratigraphy of upper Maastrichtian–Danian marine deposits of the Kopet-Dagh Basin, northeast Iran |
title_sort |
biostratigraphy and isotope stratigraphy of upper maastrichtian–danian marine deposits of the kopet-dagh basin, northeast iran |
publishDate |
2018 |
url |
http://hdl.handle.net/10447/291381 https://doi.org/10.1016/j.cretres.2018.03.011 |
long_lat |
ENVELOPE(140.027,140.027,-66.666,-66.666) |
geographic |
Lamarck |
geographic_facet |
Lamarck |
genre |
Planktonic foraminifera |
genre_facet |
Planktonic foraminifera |
op_relation |
info:eu-repo/semantics/altIdentifier/wos/WOS:000442334000009 volume:90 firstpage:97 lastpage:114 numberofpages:18 journal:CRETACEOUS RESEARCH http://hdl.handle.net/10447/291381 doi:10.1016/j.cretres.2018.03.011 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85046463185 |
op_rights |
info:eu-repo/semantics/closedAccess |
op_doi |
https://doi.org/10.1016/j.cretres.2018.03.011 |
container_title |
Cretaceous Research |
container_volume |
90 |
container_start_page |
97 |
op_container_end_page |
114 |
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1790607018176806912 |