High-resolution ostracode records of the paleocene/eocene transition in the South Eastern Desert of Egypt — Taxonomy, biostratigraphy, paleoecology and paleobiogeography

Morsi, Abdel-Mohsen M.; Speijer, Robert P.

doi:10.1007/bf03043306

Cited by 17 publications

(34 citation statements)

References 40 publications

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“…Alocopocythere ramalia are considered to be middle neritic dwellers, which suggest that their disappearance is due to a rise in sea level (Morsi and Speijer, 2003). The same ostracod assemblage was recorded in the South Eastern Desert, indicating an outer shelf-bathyal environment (Morsi and Speijer, 2003). The Paleocene of the Safaga area yielded a similar ostracod assemblage, which is considered to indicate middle-outer neritic environment (Ismail and Ied, 2005).…”

Section: Paleoenvironmentsmentioning

confidence: 83%

“…This assemblage is a combination of the South Tethyan Type (STT) and Esna Type (EST), indicating a transitional environment from middle shelf to outer shelf (Bassiouni and Luger, 1990). Alocopocythere ramalia are considered to be middle neritic dwellers, which suggest that their disappearance is due to a rise in sea level (Morsi and Speijer, 2003). The same ostracod assemblage was recorded in the South Eastern Desert, indicating an outer shelf-bathyal environment (Morsi and Speijer, 2003).…”

Section: Paleoenvironmentsmentioning

confidence: 92%

“…Boukhary et al, 1982;Khalifa et al, 1984;Ismail, 1992Ismail, , 1996Elewa et al, 1999;Morsi, 1999Morsi, , 2000Bassiouni and Morsi, 2000;Shahin, 2000Shahin, , 2005Shahin and El-Nady, 2001;Elewa, 2002;El-Nady, 2002;Speijer and Morsi, 2002;Morsi and Speijer, 2003;Elewa and Morsi, 2004;Ied, 2004, 2005;Morsi et al, 2008). However, the Paleocene ostracods of the South Western Desert have received little attention (Bassiouni and Luger, 1990;Boukhary et al, 2013).…”

Section: Introductionmentioning

confidence: 91%

“…The paleobathymetric distributions of Alocopocythere ramalia, Paracosta kefensis, and Reymenticosta parabensoni indicates an inner-middle shelf environment (Morsi and Speijer, 2003). Cytherella species, which are abundant in the studied area, inhabit reduced oxygen water (Elewa, 2002).…”

Section: Paleoenvironmentsmentioning

confidence: 99%

“…Bathymetric assignments are compiled from Donze et al (1982), Bassiouni and Luger (1990), Morsi (1999), Bassiouni and Morsi (2000), Morsi and Speijer (2003), and Morsi and Scheibner (2009 Loxoconcha blanckenhorni Bassiouni and Luger, 1990. Nigeroloxoconcha aegyptiaca punctata Bassiouni and Luger 1990, Pl.…”

Section: Tablementioning

confidence: 99%

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Paleoecology and paleobiogeography of Paleocene ostracods in Dineigil area, South Western Desert, Egypt

Youssef

Ismail

El‐Sorogy

2017

Journal of African Earth Sciences

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Section: Paleoenvironmentsmentioning

confidence: 83%

Section: Paleoenvironmentsmentioning

confidence: 92%

Section: Introductionmentioning

confidence: 91%

Section: Paleoenvironmentsmentioning

confidence: 99%

Section: Tablementioning

confidence: 99%

See 3 more Smart Citations

Paleoecology and paleobiogeography of Paleocene ostracods in Dineigil area, South Western Desert, Egypt

Youssef

Ismail

El‐Sorogy

2017

Journal of African Earth Sciences

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Biostratigraphy, palaeoecology, and palaeobiogeography of the Middle–Late Eocene ostracods, north‐west Fayoum area, Egypt

et al. 2022

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The present study focuses principally on the late Middle Eocene–early Late Eocene ostracods from two successions (Garet Umm Rigl section and Qasr El Sagha sections), in the northwestern portion of Fayoum area, Egypt. Stratigraphically, the studied successions are classified into three formations (from base to top), the Gehannam, Birket Qarun, and Qasr El Sagha (Temple Member). The recorded ostracod assemblage contains 33 species belonging to 20 genera and 9 families. According to their stratigraphic ranges, three local biozones are recognized, Asymmetricythere yousefi–Loxoconcha pseudopunctatella, Reticulina heluanensis–Leguminocythereis sadeki, and Trachyleberis nodosus nodosulcatus–Ruggeria (Keijella) glabella. The comparison of the proposed biozones with their equivalents inside Egypt denotes a Middle–Late Eocene age for the studied sections. Based on the character of investigated ostracods, three ecozones are distinguished. An inner–outer neritic environment is suggested for the first ecozone, inner‐middle neritic conditions for the second, while shallow water conditions are proposed for the third ecozone. In addition, this paper represents an attempt to detect the palaeobiogeographic provinces of Eocene ostracods by means of multivariate analyses (principle component analysis, Q‐mode cluster analysis and similarity index). These analyses are applied on a matrix composed of some selected Eocene species from 10 regions located at the southern Tethys and western Africa. The results identify three distinctive provinces, North Africa (Algeria, Tunisia, Libya, and Egypt), the Middle East (Jordan and Israel) and West Africa (Senegal, Togo, Ivory Coast and Nigeria). The distinctive affinities between these provinces suggests ostracod migration along the southern Tethys during the Eocene age.

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New method of defining the geotechnical parameters from CSEM (controlled source electromagnetic method) monitoring data at the 15th May City, Egypt

Attya

Hachay

Khachay

2021

Methods and Applications in Petroleum and Mineral Exploration and Engineering Geology

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High-resolution ostracode records of the paleocene/eocene transition in the South Eastern Desert of Egypt — Taxonomy, biostratigraphy, paleoecology and paleobiogeography

Cited by 17 publications

References 40 publications

Paleoecology and paleobiogeography of Paleocene ostracods in Dineigil area, South Western Desert, Egypt

Paleoecology and paleobiogeography of Paleocene ostracods in Dineigil area, South Western Desert, Egypt

Biostratigraphy, palaeoecology, and palaeobiogeography of the Middle–Late Eocene ostracods, north‐west Fayoum area, Egypt

New method of defining the geotechnical parameters from CSEM (controlled source electromagnetic method) monitoring data at the 15th May City, Egypt

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