Geochemical Evidence for Photic Zone Euxinia During Greenhouse Climate in the Tethys Sea, Egypt

Douaa Fathy; Michael Wagreich; Mabrouk Sami

doi:10.1007/978-3-030-73026-0_85

Geochemical Evidence for Photic Zone Euxinia During Greenhouse Climate in the Tethys Sea, Egypt

Douaa Fathy
, Michael Wagreich
, Mabrouk Sami

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

24 Citations (Scopus)

Abstract

Upper cretaceous organic-rich sediments are good archives for the paleoceanographic changes. Here, a comprehensive set of geochemical, biological, and mineralogical data have been applied in order to evaluate the role of euxinia on the organic matter during deposition. The total organic matter of these organic-rich sediments reaches up to 23 wt%. They have significant concentrations of redox-sensitive trace elements such as Mo, Cu, Zn, Ni, Cd, U, and V. The values of redox proxies (e.g., U/Mo, V/(V + Ni), V/Ni, Ni/Co, V/Cr, U/Th, U authigenic) and the size of framboids pyrite suggest that the Upper Cretaceous organic-rich sediments were deposited under a euxinic water column environment. The molecular fossils data also point to the predominance of the sulfidic anoxic conditions during deposition. The good correlation between TOC and redox proxies indicates that the oxygen-depleted conditions play a significant role in the preservation of that organic matter.

Original language	English
Title of host publication	Advances in Geophysics, Tectonics and Petroleum Geosciences - Proceedings of the 2nd Springer Conference of the Arabian Journal of Geosciences CAJG-2, Tunisia 2019
Editors	Mustapha Meghraoui, Narasimman Sundararajan, Santanu Banerjee, Klaus-G. Hinzen, Mehdi Eshagh, François Roure, Helder I. Chaminé, Said Maouche, André Michard
Publisher	Springer Nature
Pages	373-374
Number of pages	2
ISBN (Print)	9783030730253
DOIs	https://doi.org/10.1007/978-3-030-73026-0_85
Publication status	Published - 2022
Externally published	Yes
Event	2nd Springer Conference of the Arabian Journal of Geosciences, CAJG-2 2019 - Sousse, Tunisia Duration: Nov 25 2019 → Nov 28 2019

Publication series

Name	Advances in Science, Technology and Innovation
ISSN (Print)	2522-8714
ISSN (Electronic)	2522-8722

Conference

Conference	2nd Springer Conference of the Arabian Journal of Geosciences, CAJG-2 2019
Country/Territory	Tunisia
City	Sousse
Period	11/25/19 → 11/28/19

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy
SDG 13 Climate Action

Keywords

Cretaceous
Depositional environment
Egypt
Euxinia
Greenhouse climate
Organic matter

ASJC Scopus subject areas

Architecture
Environmental Chemistry
Renewable Energy, Sustainability and the Environment

Access to Document

10.1007/978-3-030-73026-0_85

Cite this

Fathy, D., Wagreich, M., & Sami, M. (2022). Geochemical Evidence for Photic Zone Euxinia During Greenhouse Climate in the Tethys Sea, Egypt. In M. Meghraoui, N. Sundararajan, S. Banerjee, K.-G. Hinzen, M. Eshagh, F. Roure, H. I. Chaminé, S. Maouche, & A. Michard (Eds.), Advances in Geophysics, Tectonics and Petroleum Geosciences - Proceedings of the 2nd Springer Conference of the Arabian Journal of Geosciences CAJG-2, Tunisia 2019 (pp. 373-374). (Advances in Science, Technology and Innovation). Springer Nature. https://doi.org/10.1007/978-3-030-73026-0_85

Geochemical Evidence for Photic Zone Euxinia During Greenhouse Climate in the Tethys Sea, Egypt. / Fathy, Douaa; Wagreich, Michael; Sami, Mabrouk.
Advances in Geophysics, Tectonics and Petroleum Geosciences - Proceedings of the 2nd Springer Conference of the Arabian Journal of Geosciences CAJG-2, Tunisia 2019. ed. / Mustapha Meghraoui; Narasimman Sundararajan; Santanu Banerjee; Klaus-G. Hinzen; Mehdi Eshagh; François Roure; Helder I. Chaminé; Said Maouche; André Michard. Springer Nature, 2022. p. 373-374 (Advances in Science, Technology and Innovation).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Fathy, D, Wagreich, M & Sami, M 2022, Geochemical Evidence for Photic Zone Euxinia During Greenhouse Climate in the Tethys Sea, Egypt. in M Meghraoui, N Sundararajan, S Banerjee, K-G Hinzen, M Eshagh, F Roure, HI Chaminé, S Maouche & A Michard (eds), Advances in Geophysics, Tectonics and Petroleum Geosciences - Proceedings of the 2nd Springer Conference of the Arabian Journal of Geosciences CAJG-2, Tunisia 2019. Advances in Science, Technology and Innovation, Springer Nature, pp. 373-374, 2nd Springer Conference of the Arabian Journal of Geosciences, CAJG-2 2019, Sousse, Tunisia, 11/25/19. https://doi.org/10.1007/978-3-030-73026-0_85

Fathy D, Wagreich M, Sami M. Geochemical Evidence for Photic Zone Euxinia During Greenhouse Climate in the Tethys Sea, Egypt. In Meghraoui M, Sundararajan N, Banerjee S, Hinzen KG, Eshagh M, Roure F, Chaminé HI, Maouche S, Michard A, editors, Advances in Geophysics, Tectonics and Petroleum Geosciences - Proceedings of the 2nd Springer Conference of the Arabian Journal of Geosciences CAJG-2, Tunisia 2019. Springer Nature. 2022. p. 373-374. (Advances in Science, Technology and Innovation). doi: 10.1007/978-3-030-73026-0_85

Fathy, Douaa ; Wagreich, Michael ; Sami, Mabrouk. / Geochemical Evidence for Photic Zone Euxinia During Greenhouse Climate in the Tethys Sea, Egypt. Advances in Geophysics, Tectonics and Petroleum Geosciences - Proceedings of the 2nd Springer Conference of the Arabian Journal of Geosciences CAJG-2, Tunisia 2019. editor / Mustapha Meghraoui ; Narasimman Sundararajan ; Santanu Banerjee ; Klaus-G. Hinzen ; Mehdi Eshagh ; François Roure ; Helder I. Chaminé ; Said Maouche ; André Michard. Springer Nature, 2022. pp. 373-374 (Advances in Science, Technology and Innovation).

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Geochemical Evidence for Photic Zone Euxinia During Greenhouse Climate in the Tethys Sea, Egypt

Abstract

Publication series

Conference

UN SDGs

Keywords

ASJC Scopus subject areas

Access to Document

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