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The Middle Eocene ironstone deposits of El Bahariya Depression represent the only economic ooidal ironstone along the Tertiary paleo-Tethyan shorelines in northern Africa and southern Europe. These economic deposits represent the main exploitable iron ore de-posits of Egypt from 1973 till now. They are located in the northeast-
The Bahariya Depression is located near the central part of the Western Desert of Egypt where it shows elliptical geometry surrounded by a carbonate plateau mainly formed of Eocene rock units in its northern part.The Eocene stratigraphy, especially of the Middle to Upper Eocene formations in the Bahariya region has been a matter of dispute (Issawi et al., 2009).
The Middle Eocene ironstone succession is located in the northeastern part of El Bahariya Depression, Western Desert, Egypt. This succession is subdivided into lower and upper sequences and ...
In the northern part of the Bahariya Depression (Western Desert, Egypt) the Eocene carbonate succession, unconformably overlying the Cretaceous deposits, consists of three main stratigraphic units; the Naqb, Qazzun and El Hamra formations. The
63 Bahariya Depression, which clearly points out a controversy on the chronostratigraphy 64 of the Eocene rocks of the area. 65 This paper provides a scheme of the depositional and diagenetic features present 66 in the Eocene carbonate formations cropping out in the northern part of the Bahariya
El Bahariya Depression Egypt The Middle Eocene ironstone succession is located in the northeastern part of El Bahariya Depression, Western ... carbonate and silicate minerals in the marine ...
Abstract In the northern part of the Bahariya Depression (Western Desert, Egypt) the Eocene carbonate succession, unconformably overlying the Cretaceous deposits, consists of three main stratigraphic units; the Naqb, Qazzun and El Hamra formations. The Eocene carbonates are relevant as they locally host a large economic iron mineralization. This work revises the stratigraphic attribution of ...
Keywords: Mineralogy Geochemistry Ironstone El Bahariya Depression Egypt The Middle Eocene ironstone succession is located in the northeastern part of El Bahariya Depression, Western Desert, Egypt. This succession is subdivided into lower and upper
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Mineralogical and geochemical investigations of the sition and geochemical characteristics of the different Middle Eocene marine ironstone facies of El Bahariya Depression, Western Desert, Egypt It also sheds light on the syn and postMiddle Eocene subaerial weathering and subsurface alteration events that affected the original marine ironstones 2 Geologic setting El Bahariya Depression is a
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Outcrop observation of the Eocene formations in the northern part of the Bahariya Depression shows that the carbonate rock units were totally replaced and/or cemented by iron-bearing minerals and/or quartz in the vicinity of major faults (Table 1; Fig. 1, Fig. 2, Fig. 3). Most descriptions and interpretations in this paper deal with the Naqb ...
the carbonate after their deposition in the shallow depression The economic iron deposits of El Bahariya Oasis are confined to Karst features, and it is suggested that they were formed through lateritization processes during the senile stage of a post Eocene Karst event El Aref (1999) recognized