The Abu Tartur district includes sediments that were sand- wiched in a paleo-low (Fig. 4 ) betw een the uplift of Dakhla in the west and that of Kharga in the east (V an Houten et al.

Abu Tartur Plateau area is mainly composed of a variety of sedimentary rocks ranging from Pre-Maastrichtian to Quaternary sediments. The sedimentary succession of the plateau particularly in the ...

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The constructed variogram and kriging models, as well as GIS-analysis, provide a clear understanding of all the elements distributed in the Abu Tartur phosphate ore and are very useful at the planning and mining stages. Purpose. This paper aims to estimate phosphate ore grade in the Abu Tartur area, Western Desert, Egypt, using …

The Abu Tartur district includes sediments that were sandwiched in a paleo-low (Fig. 4) between the uplift of Dakhla in the west and that of Kharga in the east (Van Houten et al. 1984). This synform structure had a linkage with the Tethys Sea to the northeast, but it was surrounded by land to the west, east and southwest.

Abu Tartur phosphorites are considered as highest-grade in Egypt (attain average of 25 wt.% P 2 O 5) and considered as one of the most important factors in development in Abu Tartur area. Preliminary exploration of the mining area (about 108 km 2 ) led to an estimation of 987 million tons as economic reserve with an average of P 2 …

Abu-Tartur PR contains about 49.20% apatite mineral equivalent to 21.8% P2O 5 and more than 50% of undesirable components including about 26% carbonate …

The optimum conditions for dissolution of phosphate ore by p. chrysogenum were 0.25 g ore per 50 ml of broth PVK medium, inoculated with spore suspension 5.1x10P 6 P cfu/ml incubated for 4 days at ...

Phosphorites in Egypt occur in the Eastern Desert, the Nile Valley and the Western Desert at Abu Tartur area and present in Duwi Formation as a part of the Middle Eastern to North African phosphogenic province of Late Cretaceous to Paleogene age (Campanian-Maastrichtian). The Maghrabi-Liffiya phosphorite sector is considered as the most …

Abu Tartur area contains organic matter less than those in the Eastern Desert. The present Kerogen in Abu Tartur is of type II or type II+ III and the shale oil resource is about 1.2 billion bbls.

The Abu-Tartur plateau is a large, suboval-shaped, limestone plateau located in the central Western Desert as a cuesta landscape at altitude 450–500m a.s.l, and between coordinates 25⁰10ʼ-25⁰38ʼN and 29⁰30ʼ-30⁰10ʼE (Fig. 1). It is considered to be the most important plateau in the Western Desert of Egypt due to the contained ...

Optimum conditions of bioleaching of Abu Tartur phosphate ore are 3 days incubation period, modified PVK medium is the best medium for dissolution of Abu Tartur phosphate ore, 0.1x 1029 colony ...

DOI: 10.1016/J.JAFREARSCI.2009.11.009 Corpus ID: 128486527; Geochemistry and microprobe investigations of Abu Tartur REE-bearing phosphorite, Western Desert, Egypt @article{Awadalla2010GeochemistryAM, title={Geochemistry and microprobe investigations of Abu Tartur REE-bearing phosphorite, Western Desert, …

According to the minister, the complex will be built within the Abu Tartur mine, on an area of 560,000 sqm and a storage area of 3m sqm. El Wady for Phosphate Industries and Fertilizers Company ...

Thursday, 27th July 2023. by Sarah Samir. Prime Minister Mostafa Madbouly held a meeting at the government headquarters in New Alamein to follow up on the developments of the phosphoric acid production project in the Abu Tartur plateau in the New Valley Governorate. The meeting was attended by Tarek El Molla, Minister of Petroleum and …

The Abu-Tartur phosphate deposit was found to have lower activity than many others exploited phosphate sedimentary deposits, with its average total annual dose being only 114.6 µSv y−1. This ...

The leaching of rare earth elements (REEs) from Egyptian Abu Tartur phosphate rock using phosphoric acid has been examined and was subsequently optimized to better understand if such an approach ...

Abu Tartur Egypt abstract The Upper Cretaceous black shales of Egypt are part of the worldwide belt of Late Cretaceous organic-rich shales. Black shales are particularly prominent in North Africa and the Middle East. In Egypt, these shales occur in an east-west trending belt extending from the Quseir-Safaga district along the Red Sea to the

The present Kerogen in Abu Tartur is of type II or type II+ III and the shale oil resource is about 1.2 billion bbls. In Sinai the oil shale deposits present in Gebel El Maghara area and Abu Zinema.

The Abu Tartur ore deposit occurs in the southeasternportion of Abu Tartur Plateau (Wassef 1977). The plateau covers about 1200 km2 in area, is about 400 m above the surface of the surrounding wadis, and about 540 m above sea level. In the southeast and northeast, it is limited by steep scarps and the plateau surface is formed of limestone ...

L'enrichissement. Pour alimenter les réacteurs, il faut un combustible dont la proportion d'uranium 235 se situe entre 3 et 5 %, car seul cet isotope isotope peut subir la fission nucléaire ...

Chemical mapping was conducted to examine the distribution of the elements within the phosphatic grain and discussed the geochemistry of major, trace and REEs of …

Préparation de mitochondries de cellules cardiaques - SVT … mélanger 322 mL de la solution de phosphate disodique et 78 mL de la solution de phosphate monopotassique pour obtenir 400 mL de solution tampon à pH= 7,2, ajouter aux 400 mL, 800 mg de Sérum Albumine bovine (S.A.B.), ajouter enfin 45 g de mannitol et …

Photomicrographs of Abu-Tartur Dakhla Shale showing a dark brown clay matrix engulfed numerous fossil tests (a-PPL&b-XPL) and the replacement of clay matrix by a brownish creamy carbonate mud (c & d-PPL) and anhydrite veinlets (e&f). (For interpretation of the references to color in this figure legend, the reader is referred to the …

Abu-Tartur Plateau lies approximately 650 km southwest of Cairo in the Western Desert between Dakhla Oasis to the west and Kharga Oasis to the east (Fig. 1). ... Chondrite-normalized REE patterns ...

The lithostratigraphic succession in the Abu Tartur area (Fig. 1, Fig. 2, Fig. 3) on the southeastern scarp of the Abu Tartur Plateau was described by Issawi et al. (1999). The Upper Campanian-Lower Maastrichtian phosphate-rich Duwi Formation unconformably overlies the Lower-Middle Campanian Quseir Formation ( Fig. 3 ), which consists of ...

Abu Tartur is a plateau of approximately 470m–550 m altitudes above sea level. It forms one of the main geographical features in the Western Desert in Egypt, …

Les principaux acteurs de l'enrichissement. Trois acteurs principaux assurent l'enrichissement de l'uranium pour les producteurs d'électricité : Tenex (Russie) sur les sites d'Angarsk, de Novouralsk, de Zelenogorsk et de Seversk ; Urenco Enrichment Company sur des sites au Royaume-Uni, en Allemagne, aux Pays-Bas et aux États-Unis ;

Diriger son attention ou ses efforts sur un objet spécifique en éliminant les distractions environnantes. Nous concentrer ons notre analyse sur cette dernière dimension, en analysant quels ont été ses effets sur l'industrie cordonnière de la Province de Concepción. — Guy Bajoit, Le contrat social dans un monde globalisé.

The aim of this study is to characterize Abu Tartur black (oil) shale targeting separation of pyrite. Accordingly, this will minimize the amount of harmful sulfur during retorting or direct combustion of this shale. By the end of the study the following inferences could be concluded: 1. Pyrite forms about 5.34% of the original sample by weight ...

Abu Tartur phosphorites exhibit very high ΣREE contents (more than 1000 p.m.), compared to that of the Nile Valley (257 ppm) and the Red Sea deposits (232 ppm) (Baioumy, 2011; Awadalla, 2010 ...

Section snippets Geologic setting. Abu Tartur is a plateau of approximately 470m–550 m altitudes above sea level. It forms one of the main geographical features in the Western Desert in Egypt, covering a vast area of 2000 km 2 that lay between Kharga oasis and Dakhla oasis depressions to the east and west, respectively. The study area is …

The leaching of rare earth elements (REEs) from Egyptian Abu Tartur phosphate rock using phosphoric acid has been examined and was subsequently optimized to better understand if such an approach could be industrially feasible. Preliminary experiments were performed to properly define the design of experiments. Afterward, 24 …

This is done using "14" samples from the shales of the Dakhla and Duwi formations in Abu Tartur area. The samples have been analyzed using the geochemical method of Rock–Eval pyrolysis. The analysis shows that the total organic carbon content lies between 0.56 and 1.96 wt%.

palaeoecological and Post-depositional changes recorded in Campania-Maastrichtian black shales, Abu Tartur Plateau, Egypt

INTRODUCTION The Abu Tartur Plateau is located at the western escarpment of the Kharga Oasis, between latitudes 25010' and 25°40'N, and longitudes 29025' and 30°10'E (Fig. 1). ... (Phitips® 1410). Co-Ks radiation was used for the XRF analysis of Sr and La. The contents of Na and K were determined by a flame …

The Abu Tartur ore deposit occurs in the southeasternportion of Abu Tartur Plateau (Wassef 1977). The plateau covers about 1200 km2 in area, is about 400 m above the …

This work aimed for pyrite separation from Abu Tartur black shale as a source of sulfur to be an added economic value of Abu Tartur area. The considered samples in the present work were collected from a core drilled in Abu Tartur plateau representing the pyrite-rich black shale of the U. Cretaceous age. Sample characterization was carried out using …