 | | Journal (article/letter/editorial) | | Sedimentary Origin of the Mn-Fe Ore of Um Bogma, Southwest Sinai: Geochemical and Paleomagnetic Evidence...Materials Authority, P.O. Box 530, Maadi, Cairo, Egypt E. H. IBRAHIM,† Department of Geology, Faculty...Mansoura, Egypt 35516 AND H. H. ODAH National Institute of Astronomy and Geophysics, Helwan, Egypt Abstract...estimate the origin and age of the Mn-Fe ore of Um Bogma Formation of the early Carboniferous. For this purpose...and host rocks of Um Bogma Formation and the overlying sandstone of Abu Thora Formation. The paleomagnetic |  | | Journal (article/letter/editorial) | | ManganeseOre of Um Bogma,Sinai J. M^l•Z ^m• E. S^ss Abstract The manganesedepositsof Um Bogma form lensesin...tetravalent oxides and hydroxides: psilomelane,pyrolusite,polianite, manganite,hausmanniteand pyrochroite...Introduction T•v. manganesedepositof Um Bogmais situatedin west Central Sinai, 20 km east of the Gulf of Suez...(1965), Weissbrod(1969) and Magaritz (1969). The Um Bogmaregionis built of Paleozoicrocks (sandstones...northwarddip of 5-10 ø. The sedimentarysequence of the area includestwo volcanicphases: (1) a Permo-Triassicphase |  | | Journal (article/letter/editorial) | | Genetic Implication for the Um Bogma Manganese Deposit, Southwestern Sinai A. Segev Mineral & Energy Resources...found in the Um Bogma region, southwestern Sinai, predominantly in the Um Bogma Formation, and to a lesser...lesser extent also in the Abu Thora Formation, at the base of a carboniferous sequence. This region is...occur in the dolomite beds at the base of the Um Bogma Formation. The gibbsite generally occurs in discordant...caused intensive leaching and alteration of the Um Bogma dolomites and remobilization of Mn + Fe ore bodies |  | | Journal (article/letter/editorial) | | Carboniferous paleokarst profile, Urn Bogma region, west-central Sinai, Egypt M.A. El Sharkawi, M. M. El Aref...Carboniferous carbonates of the Urn Bogrna Formation of the west-central Sinai include two rock successions. The...forming the upper rock succession of the Urn Bogma Formation. The all over congruent relations between the...Carboniferous karstification, i.e., during the soil formation, preceeding initial diagenetic change of the karst~c...horizon of the paleokarst profile. The Urn Bogma Formation has been subjected to another episode of karstification |  | | Journal (article/letter/editorial) | | of a Lenticular Manganese-Ore Deposit (Um Bogma, Southern Sinai) M. Magaritz, Ph. D. Isotope Department...of Urn Bogrna, Sinai, are utilized to establish physicochernical conditions of formation and diagenesis...have been utilized to establish conditions of formation and diagenesis (Ljungren, 1955, 1956; Hewitt et...the present investigation of the Urn Bogma Mn-Fe deposit, Sinai (Ball, 1916; E1 Shazly et al., 1963)...behaviour of certain trace elements during the formation and diagenesis of the ore body. E1 Shazly et al |  | Abu-zeid, Mohamed M., El Kammar, Ahmed M., El Aassy, Ibrahim E., Aly, Gehan A., Aita, Sami K., Zied, Ehab K. Abu, Azeem, Marwa M. Abdel (2017) Mineral genesis and radioactivity of the upper part of the Adediya Formation, southwestern Sinai, Egypt. Ore Geology Reviews, 80. 536-551 doi:10.1016/j.oregeorev.2016.06.003 | Journal (article/letter/editorial) | | of the Upper Part of the Adediya Formation, Southwestern Sinai, Egypt Mohamed M. Abu-zeid, Ahmed M. El...of the Upper Part of the Adediya Formation, Southwestern Sinai, Egypt, Ore Geology Reviews (2016), doi:...of the Upper Part of the Adediya Formation, Southwestern Sinai, Egypt. Mohamed M. Abu-zeid*; Ahmed M....Shams University ,Cairo, P.O. Box 11566, Cairo, Egypt ** Geology Department, Faculty of Science, Cairo...P.O. Box13613, Egypt *** Nuclear Materials Authority, Maadi, P.O. Box 530, NU Egypt. Abstract MA |  | | Book | | · Yasser Abd El-Rahman Editors The Geology of Egypt Regional Geology Reviews Series Editors Roland...Mandela Metropolitan University, Port Elizabeth, South Africa François M. Roure, Rueil-Malmaison, France...require when beginning investigations in a particular area and are encouraged to include as much information...Geology of Egypt 123 • Editors Zakaria Hamimi Department of Geology Benha University Benha, Egypt Jesús...El-Barkooky Department of Geology Cairo University Giza, Egypt Harald Fritz Department of Geology and Environment |  | | Book | | the geology of North Africa, this book deals with Egypt, Libya, Algeria, Tunisia and Morocco. In great detail...expanded and revised version of ‘The Geology of Egypt and Libya’ by the same author (Balkema, 2001). Ed...based in Calgary, Alberta, Canada. Educated in Egypt, Scotland and Canada and specialized as an applied...number of consulting and major oil companies in Egypt, Canada, Libya, Argentina and other countries. With...Northern Africa, he is a true specialist in this area. Dr Tawadros has also written several papers on |
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