Syngenetic and Paleokarstic Copper Mineralization in the Palaeozoic Platform Sediments of West Central Sinai, Egypt

Sharkawi, M. A. El; Aref, M. M. El; Motelib, A. Abdel

doi:10.1002/9781444303872.ch13

Cited by 20 publications

(9 citation statements)

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“…Eastern Aswan area represents the main occurrence of the Cretaceous ironstone bands of South Egypt, which are confined to clastic successions belonging to the "Nubian" sandstones or "Nubia facies" [17,18]. Three different samples were obtained from different locations from Aswan region.…”

Section: Methodsmentioning

confidence: 99%

“…[16][17][18], there is a significant shift in the position of the peak maxima in the Fe 2p doublet, the B.E. positions are observed to be at ∼709.48-709.68 eV (for Fe Fig.…”

Section: X-ray Photoelectron Spectroscopy (Xps)mentioning

confidence: 99%

“…[16][17][18] show the fitted Fe 2p 3/2 spectra for untreated and microwave treated samples for 120 s, respectively.…”

Section: X-ray Photoelectron Spectroscopy (Xps)mentioning

confidence: 99%

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XPS and FTIR spectroscopic study on microwave treated high phosphorus iron ore

Omran

Fabritius

Elmahdy

et al. 2015

Applied Surface Science

137

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a b s t r a c tA growing interest in microwave heating has emerged recently. Several potential microwave applications regarding minerals' processing have been investigated. This paper investigates the effect of microwave radiation on Egyptian high phosphorus iron ore. Three different iron ore samples have varying Fe 2 O 3 and P 2 O 5 contents and mineralogical textures were studied. A comparative study has been carried out between untreated and microwave treated iron ore. XRD and FTIR analyses showed that after microwave radiation the crystallinity of iron bearing minerals (hematite) increased, while the functional chemical groups of phosphorus bearing minerals (fluorapatite) and other gangues dissociated. High resolution XPS analyses of Fe 2p peaks showed that after microwave radiation a portion of Fe(+III) was reduced to Fe(+II). This means that after microwave radiation iron oxide (hematite, Fe 3+ ) transformed into more magnetic phase. The results indicated that microwave radiation had a positive effect on the magnetic properties of iron oxide, through formation of ferromagnetic phases.

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Section: Methodsmentioning

confidence: 99%

“…[16][17][18], there is a significant shift in the position of the peak maxima in the Fe 2p doublet, the B.E. positions are observed to be at ∼709.48-709.68 eV (for Fe Fig.…”

Section: X-ray Photoelectron Spectroscopy (Xps)mentioning

confidence: 99%

See 1 more Smart Citation

XPS and FTIR spectroscopic study on microwave treated high phosphorus iron ore

Omran

Fabritius

Elmahdy

et al. 2015

Applied Surface Science

137

View full text Add to dashboard Cite

show abstract

“…Taba is the northernmost resort of Egypt's Red Sea Riviera, it is a frequent vacation spot for Egyptians and tourists, and it has been declared as a protected area, in 1998. Taba area is a desert and a natural heritage which covers a land area of 3595 km 2 and dates back to 5000 years (EI-Sharkawi et al, 1990;Abdallah, 1992). The area comprises a group of hills (more than 1000 m in height) and a number of water springs (such as Hadra spring in Wadi Ghazala, Oum Ahmed spring in Wadi Elswana, and Fortaga spring in Wadi Water) (EI-Sharkawi et al, 1990;El-Refaei, 1992).…”

Section: Introductionmentioning

confidence: 99%

“…Taba area is a desert and a natural heritage which covers a land area of 3595 km 2 and dates back to 5000 years (EI-Sharkawi et al, 1990;Abdallah, 1992). The area comprises a group of hills (more than 1000 m in height) and a number of water springs (such as Hadra spring in Wadi Ghazala, Oum Ahmed spring in Wadi Elswana, and Fortaga spring in Wadi Water) (EI-Sharkawi et al, 1990;El-Refaei, 1992). Over the last few years the Egyptian government devoted a tremendous effort in planning for the development of Taba in terms of new urbanization, tourism, and mega development projects.…”

Section: Introductionmentioning

confidence: 99%