Integrated biostratigraphy of two Upper Maastrichtian – Palaeocene successions in north-central Sinai, Egypt
Integration of the calcareous nannofossil and planktonic foraminiferal biostratigraphies has been performed for theUpper Maastrichtian – Palaeocene successions at Gebel Umm Khushayb and west El-Hassana sections (north-centralSinai, Egypt). The studied successions include the uppermost part of the Su...
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Croatian Geological Survey
2012
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ftdoajarticles:oai:doaj.org/article:64f80f76049b43bebf6bf51ad697451a 2023-05-15T18:00:38+02:00 Integrated biostratigraphy of two Upper Maastrichtian – Palaeocene successions in north-central Sinai, Egypt Mahmoud Faris Sherif Farouk 2012-06-01T00:00:00Z https://doi.org/10.4154/GC.2012.10 https://doaj.org/article/64f80f76049b43bebf6bf51ad697451a EN eng Croatian Geological Survey http://www.geologia-croatica.hr/ojs/index.php/GC/article/view/519 https://doaj.org/toc/1330-030X https://doaj.org/toc/1333-4875 1330-030X 1333-4875 doi:10.4154/GC.2012.10 https://doaj.org/article/64f80f76049b43bebf6bf51ad697451a Geologia Croatica, Vol 65, Iss 2, Pp 139-160 (2012) biostratigraphy calcareous nannofossils Danian/Selandian boundary planktonic foraminifera north-central Sinai Geology QE1-996.5 article 2012 ftdoajarticles https://doi.org/10.4154/GC.2012.10 2022-12-31T13:34:49Z Integration of the calcareous nannofossil and planktonic foraminiferal biostratigraphies has been performed for theUpper Maastrichtian – Palaeocene successions at Gebel Umm Khushayb and west El-Hassana sections (north-centralSinai, Egypt). The studied successions include the uppermost part of the Sudr, Dakhla, and their lateral coeval Beida Formation. Biostratigraphic analysis has allowed recognition from Zone CF2 to Zone P4in terms of planktonic foraminifera and from Zone CC26c to Zone NP7/8 in terms of calcareous nannofossils. Maastrichtian/Palaeogene (K/Pg) boundary is characterized by an erosional surface that marks a hiatus between theSudr/Dakhla or Sudr/Beida formation boundaries, as confi rmed by the absence of the planktonic foraminiferal CF1to P1a zones and their equivalent nannofossil zones (top part of CC26c to lowest part of Zone NP3). Selandian (Da/Se) boundary lies in the upper part of the Dakhla Formation within the top of nannofossil Zone NP4,and within planktonic foraminiferal Zone P3b, similar to that of the Global Standard Stratotype-section and Point(GSSP) of the D/S boundary which has recently been chosen at the Zumaia section, northern Spain. was observed across the Selandian/Thanetian boundary as indicated by a lithological change and a very condensedZone NP6, corresponding to the Dakhla and Tarawan formation boundary in the west El-Hassana section. Article in Journal/Newspaper Planktonic foraminifera Directory of Open Access Journals: DOAJ Articles Geologia Croatica 65 2 139 160 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
biostratigraphy calcareous nannofossils Danian/Selandian boundary planktonic foraminifera north-central Sinai Geology QE1-996.5 |
spellingShingle |
biostratigraphy calcareous nannofossils Danian/Selandian boundary planktonic foraminifera north-central Sinai Geology QE1-996.5 Mahmoud Faris Sherif Farouk Integrated biostratigraphy of two Upper Maastrichtian – Palaeocene successions in north-central Sinai, Egypt |
topic_facet |
biostratigraphy calcareous nannofossils Danian/Selandian boundary planktonic foraminifera north-central Sinai Geology QE1-996.5 |
description |
Integration of the calcareous nannofossil and planktonic foraminiferal biostratigraphies has been performed for theUpper Maastrichtian – Palaeocene successions at Gebel Umm Khushayb and west El-Hassana sections (north-centralSinai, Egypt). The studied successions include the uppermost part of the Sudr, Dakhla, and their lateral coeval Beida Formation. Biostratigraphic analysis has allowed recognition from Zone CF2 to Zone P4in terms of planktonic foraminifera and from Zone CC26c to Zone NP7/8 in terms of calcareous nannofossils. Maastrichtian/Palaeogene (K/Pg) boundary is characterized by an erosional surface that marks a hiatus between theSudr/Dakhla or Sudr/Beida formation boundaries, as confi rmed by the absence of the planktonic foraminiferal CF1to P1a zones and their equivalent nannofossil zones (top part of CC26c to lowest part of Zone NP3). Selandian (Da/Se) boundary lies in the upper part of the Dakhla Formation within the top of nannofossil Zone NP4,and within planktonic foraminiferal Zone P3b, similar to that of the Global Standard Stratotype-section and Point(GSSP) of the D/S boundary which has recently been chosen at the Zumaia section, northern Spain. was observed across the Selandian/Thanetian boundary as indicated by a lithological change and a very condensedZone NP6, corresponding to the Dakhla and Tarawan formation boundary in the west El-Hassana section. |
format |
Article in Journal/Newspaper |
author |
Mahmoud Faris Sherif Farouk |
author_facet |
Mahmoud Faris Sherif Farouk |
author_sort |
Mahmoud Faris |
title |
Integrated biostratigraphy of two Upper Maastrichtian – Palaeocene successions in north-central Sinai, Egypt |
title_short |
Integrated biostratigraphy of two Upper Maastrichtian – Palaeocene successions in north-central Sinai, Egypt |
title_full |
Integrated biostratigraphy of two Upper Maastrichtian – Palaeocene successions in north-central Sinai, Egypt |
title_fullStr |
Integrated biostratigraphy of two Upper Maastrichtian – Palaeocene successions in north-central Sinai, Egypt |
title_full_unstemmed |
Integrated biostratigraphy of two Upper Maastrichtian – Palaeocene successions in north-central Sinai, Egypt |
title_sort |
integrated biostratigraphy of two upper maastrichtian – palaeocene successions in north-central sinai, egypt |
publisher |
Croatian Geological Survey |
publishDate |
2012 |
url |
https://doi.org/10.4154/GC.2012.10 https://doaj.org/article/64f80f76049b43bebf6bf51ad697451a |
genre |
Planktonic foraminifera |
genre_facet |
Planktonic foraminifera |
op_source |
Geologia Croatica, Vol 65, Iss 2, Pp 139-160 (2012) |
op_relation |
http://www.geologia-croatica.hr/ojs/index.php/GC/article/view/519 https://doaj.org/toc/1330-030X https://doaj.org/toc/1333-4875 1330-030X 1333-4875 doi:10.4154/GC.2012.10 https://doaj.org/article/64f80f76049b43bebf6bf51ad697451a |
op_doi |
https://doi.org/10.4154/GC.2012.10 |
container_title |
Geologia Croatica |
container_volume |
65 |
container_issue |
2 |
container_start_page |
139 |
op_container_end_page |
160 |
_version_ |
1766169810349064192 |