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Recent uranium mobilization of late neoproterozoic El Sela sheared granites, South Eastern Desert, Egypt 期刊论文
发表期刊: JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY. 出版年: 2021, 卷号: 328, 期号: 2, 页码: 539-550
作者:  El Mezayen, Ahmed M.;  Shahin, Hassan A.;  Kawady, Nilly A.
收藏  |  浏览/下载:11/0  |  提交时间:2021/07/30
Recent uranium  Activity ratios  Alteration processes  Uranium dating  
Physico-chemical conditions controlling the radionuclides mobilisation in various granitic environments 期刊论文
发表期刊: INTERNATIONAL JOURNAL OF ENVIRONMENTAL ANALYTICAL CHEMISTRY. 出版年: 2020
作者:  El Mezayen, Ahmed M.;  Ibrahim, Eman M.;  El-Feky, Mohamed G.;  Omar, Sayed M.;  El-Shabasy, Ahmed M.;  Taalab, Sherif A.
收藏  |  浏览/下载:16/0  |  提交时间:2020/05/22
Uranium  physico-chemical conditions  pegmatites  chemical index of alteration (CIA)  Kab Amiri area  Egypt  
Petrology, geochemistry, radioactivity, and M-W type rare earth element tetrads of El Sela altered granites, south eastern desert, Egypt 期刊论文
发表期刊: ACTA GEOCHIMICA. 出版年: 2019, 卷号: 38, 期号: 1, 页码: 95-119
作者:  El Mezayen, A. M.;  Heikal, M. A.;  El-Feky, M. G.;  Shahin, H. A.;  Abu Zeid, I. K.;  Lasheen, S. R.
收藏  |  浏览/下载:15/0  |  提交时间:2021/01/08
Geochemistry  REE-tetrad effect  Radioactive minerals  Radiometric measurements  Qash Amer  El Sela  
Geochemistry, mineralogy, and radioactivity of the Abu Furad Area, Central Eastern Desert, Egypt 期刊论文
发表期刊: ACTA GEOCHIMICA. 出版年: 2019, 卷号: 38, 期号: 2, 页码: 307-326
作者:  El Mezayen, A. M.;  Abu Zeid, E. K.;  Hosny, W. S.;  El-Feky, M. G.;  Omar, S. M.;  Taalab, S. A.
收藏  |  浏览/下载:25/0  |  提交时间:2021/01/08
Hydrothermal alterations  Major oxide and trace elements  Radiometry  Mineralogy  Geochemistry  Altered syenogranites  Egypt