The geochemical and economic significance of REE in the Upper Cretaceous-Eocene Tethyan phosphorites

H Baioumy, S Farouk - Journal of African Earth Sciences, 2022 - Elsevier
The importance of rare earth elements (REEs) in high-tech industries has triggered a global
struggle to find new resources. Sedimentary phosphorites are one of the major holders of …

Comprehensive REE+ Y and sensitive redox trace elements of Algerian phosphorites (Tébessa, eastern Algeria): A geochemical study and depositional environments …

R Kechiched, R Laouar, O Bruguier, L Kocsis… - Journal of Geochemical …, 2020 - Elsevier
The Algerian sedimentary phosphorites of marine origin are located mainly in the Tébessa
region, which is part of the Eastern Saharan Atlas. These phosphorites are hosted by …

Impact of industrial phosphate waste discharge on the marine environment in the Gulf of Gabes (Tunisia)

A El Kateb, C Stalder, A Rüggeberg, C Neururer… - PloS one, 2018 - journals.plos.org
The marine environment in the Gulf of Gabes (southern Tunisia) is severely impacted by
phosphate industries. Nowadays, three localities, Sfax, Skhira and Gabes produce …

Geochemistry and depositional environments of Paleocene–Eocene phosphorites: Metlaoui group, Tunisia

H Garnit, S Bouhlel, I Jarvis - Journal of African Earth Sciences, 2017 - Elsevier
Abstract The Late Paleocene–Early Eocene phosphorites of the Metlaoui Group in Tunisia
are a world-class phosphate resource. We review the characteristics of phosphorites …

Post-phosphogenesis processes and the natural beneficiation of phosphates: Geochemical evidence from the Moroccan High Atlas phosphate-rich sediments

R El Bamiki, M Séranne, F Parat, J Aubineau… - Chemical …, 2023 - Elsevier
Abstract The Upper Cretaceous-Paleogene sedimentary series of the High Atlas hosts
underexplored phosphate-rich sediments and presents an excellent example of how …

Exploring uranium isotopes in shark teeth as a paleo-redox proxy

H Li, MA Kipp, SL Kim, ER Kast, JJ Eberle… - … et Cosmochimica Acta, 2024 - Elsevier
The uranium isotope composition (δ 238 U) of seawater is a powerful proxy for the extent of
marine anoxia. For paleoredox reconstructions, carbonates are the most popular U isotope …

Paleoclimate changes across the Cenomanian–Santonian transition at the southern Neo-Tethys margin (SW Iran): An integrated approach

A Abdolahi, M Bahrehvar, H Mehrabi, M Omidvar… - Gondwana …, 2024 - Elsevier
Abstract The Cenomanian–Santonian (C–S) carbonate successions include valuable
petroleum reservoirs in the Zagros Basin. They also provide important information on the …

Gradual changes in upwelled seawater conditions (redox, pH) from the late Cretaceous through early Paleogene at the northwest coast of Africa: Negative Ce …

L Kocsis, E Gheerbrant, M Mouflih, H Cappetta… - Chemical …, 2016 - Elsevier
Marine vertebrate fossils from late Cretaceous–early Paleogene shallow marine
phosphorites of Morocco were investigated for their trace element compositions and …

The Cretaceous–Paleogene transition in spiny-rayed fishes: surveying “Patterson's Gap” in the acanthomorph skeletal record André Dumont medalist lecture 2018

M FRIEDMAN, JV ANDREWS, S Hadeel… - Geologica …, 2023 - popups.uliege.be
In contrast to the rich collections of articulated spiny-rayed fishes from early Late Cretaceous
and Eocene Lagerstätten, similar skeletal remains are sparse in Maastrichtian–Paleocene …

Paleocene–Eocene palaeoenvironmental conditions of the main phosphorite deposits (Chouabine Formation) in the Gafsa Basin, Tunisia

L Kocsis, A Ounis, C Baumgartner, C Pirkenseer… - Journal of African Earth …, 2014 - Elsevier
A detailed sedimentary section of the marine Chouabine Formation in the palaeogeographic
Gafsa Basin, south-western Tunisia, was investigated in order to characterize environmental …