Foraminiferal Biostratigraphy of the Uppermost Cretaceous Period, Duhok Area, Kurdistan Region, North of Iraq

Foraminiferal Biostratigraphy of the Uppermost Cretaceous Period, Duhok Area, Kurdistan Region, North of Iraq

A relatively complete Late Maastrichtian succession of the upper part of the Shiranish Formation (Upper Cretaceous) in the Duhok area is investigated for the planktic foraminiferal assemblages. This studied interval consists mainly of bluish shale, marl, and thin beds of hard marly limeston...

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Main Author: Abdulrahman Bamerni
Format: Article
Language:English
Published: Union of Iraqi Geologists (UIG) 2021-09-01
Series:Iraqi Geological Journal
Online Access:http://igj-iraq.org/igj/index.php/igj/article/view/688
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spelling doaj-312ab4c0266340f59d751153b0c556102021-10-04T11:12:34ZengUnion of Iraqi Geologists (UIG)Iraqi Geological Journal2414-60642663-87542021-09-01542C485810.46717/igj.54.2C.5Ms-2021-09-24Foraminiferal Biostratigraphy of the Uppermost Cretaceous Period, Duhok Area, Kurdistan Region, North of IraqAbdulrahman Bamerni A relatively complete Late Maastrichtian succession of the upper part of the Shiranish Formation (Upper Cretaceous) in the Duhok area is investigated for the planktic foraminiferal assemblages. This studied interval consists mainly of bluish shale, marl, and thin beds of hard marly limestone all with grey-blue color. The upper contact of the Shiranish Formation is conformable with the overlies Danian Aaliji Formation. Based on the recorded planktic foraminifera and their ranges, the studied succession is subdivided into three main biozones of the latest Maastrichtian age, these zones are Pseudoguembelina hariaensis (CF3) Interval Zone, Pseudoguembelina palpebra (CF2) Interval Zone, and Plummerita hantkeninoides (CF1) Total Range Zone. These zones show continuous and complete Upper Cretaceous sediments, which are preserved in the Bade section of the Duhok areahttp://igj-iraq.org/igj/index.php/igj/article/view/688
collection DOAJ
language English
format Article
sources DOAJ
author Abdulrahman Bamerni
spellingShingle Abdulrahman Bamerni
Foraminiferal Biostratigraphy of the Uppermost Cretaceous Period, Duhok Area, Kurdistan Region, North of Iraq
Iraqi Geological Journal
author_facet Abdulrahman Bamerni
author_sort Abdulrahman Bamerni
title Foraminiferal Biostratigraphy of the Uppermost Cretaceous Period, Duhok Area, Kurdistan Region, North of Iraq
title_short Foraminiferal Biostratigraphy of the Uppermost Cretaceous Period, Duhok Area, Kurdistan Region, North of Iraq
title_full Foraminiferal Biostratigraphy of the Uppermost Cretaceous Period, Duhok Area, Kurdistan Region, North of Iraq
title_fullStr Foraminiferal Biostratigraphy of the Uppermost Cretaceous Period, Duhok Area, Kurdistan Region, North of Iraq
title_full_unstemmed Foraminiferal Biostratigraphy of the Uppermost Cretaceous Period, Duhok Area, Kurdistan Region, North of Iraq
title_sort foraminiferal biostratigraphy of the uppermost cretaceous period, duhok area, kurdistan region, north of iraq
publisher Union of Iraqi Geologists (UIG)
series Iraqi Geological Journal
issn 2414-6064
2663-8754
publishDate 2021-09-01
description A relatively complete Late Maastrichtian succession of the upper part of the Shiranish Formation (Upper Cretaceous) in the Duhok area is investigated for the planktic foraminiferal assemblages. This studied interval consists mainly of bluish shale, marl, and thin beds of hard marly limestone all with grey-blue color. The upper contact of the Shiranish Formation is conformable with the overlies Danian Aaliji Formation. Based on the recorded planktic foraminifera and their ranges, the studied succession is subdivided into three main biozones of the latest Maastrichtian age, these zones are Pseudoguembelina hariaensis (CF3) Interval Zone, Pseudoguembelina palpebra (CF2) Interval Zone, and Plummerita hantkeninoides (CF1) Total Range Zone. These zones show continuous and complete Upper Cretaceous sediments, which are preserved in the Bade section of the Duhok area
url http://igj-iraq.org/igj/index.php/igj/article/view/688
work_keys_str_mv AT abdulrahmanbamerni foraminiferalbiostratigraphyoftheuppermostcretaceousperiodduhokareakurdistanregionnorthofiraq
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