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Petrology of a Neoproterozoic mantle peridotite-chromitite association from Abu Dahr area, Eastern Desert, Egypt: Infiltration of a boninitic melt in highly depleted harzburgite 期刊论文
发表期刊: JOURNAL OF AFRICAN EARTH SCIENCES. 出版年: 2020, 卷号: 165
作者:  Halim, Ali H. Abdel;  Helmy, Hassan M.;  Elhaddad, Mervet A.;  El-Mahallawi, Mahmoud M.;  Mogessie, Aberra
收藏  |  浏览/下载:18/0  |  提交时间:2020/05/22
Abu Dahr ophiolite  SSZ peridotites  Orthopyroxenite  Chromitite  Forearc mantle wedge  Boninitic melt  
Experimental determination of the phase relations of Pt and Pd antimonides and bismuthinides in the Fe-Ni-Cu sulfide systems between 1100 and 700 degrees C 期刊论文
发表期刊: AMERICAN MINERALOGIST. 出版年: 2020, 卷号: 105, 期号: 3, 页码: 344-352
作者:  Helmy, Hassan M.;  Botcharnikov, Roman
收藏  |  浏览/下载:3/0  |  提交时间:2020/05/22
Platinum-group minerals  antimonides  bismuthinides  experimental study  sulfide system  phase relations  
Geochemical and geochronological characteristics of the Um Rus granite intrusion and associated gold deposit, Eastern Desert, Egypt 期刊论文
发表期刊: GEOSCIENCE FRONTIERS. 出版年: 2020, 卷号: 11, 期号: 1, 页码: 325-345
作者:  Zoheir, Basem;  Goldfarb, Richard;  Holzheid, Astrid;  Helmy, Hassan;  El Sheikh, Ahmed
收藏  |  浏览/下载:7/0  |  提交时间:2020/03/23
Um Rus intrusion  Whole-rock geochemistry  SHRIMP U-Pb monazite dating  Gold mineralization  LA-ICP-MS data of pyrite and arsenopyrite  
Geology, mineralogy and genesis of the world-class Mahd Adh Dhahab epithermal Au-(Ag)-telluride deposit, Kingdom of Saudi Arabia 期刊论文
发表期刊: JOURNAL OF ASIAN EARTH SCIENCES. 出版年: 2020, 卷号: 201
作者:  El-shafei, Shaimaa A.;  Abdel-Maksoud, Kholoud M.;  Helmy, Hassan M.;  Ahmed, Ahmed H.
收藏  |  浏览/下载:4/0  |  提交时间:2021/01/07
Mahd Adh Dhahab Au-(Ag)-tellurides  Tellurium  Epithermal  Arabian Shield